Ventilation systems with heat recovery

Ventilation unit WS 75 H Surface-mounted, flush-mountedFeatures:Made in Germany quality, super quiet, IP 00 protection rating for safety in the homeFor a better indoor climate in the home - the elegant solution against damp, unpleasant odours and mouldControlled ventilation through heat and moisture recovery. Various operating modes and air quality display. Bypass mode. Room air control RLS G1 WS included in the scope of delivery. Can be installed on the sloping roof or wall-mounted. Can be controlled via app and the browser-based web tool using the integrated LAN interface. Various inputs and outputs for additional connections to other devices. Filter change possible without tools. 3 temperature sensors and 1 combination sensor. 4 ventilation levels continuously adjustable. Easy installation thanks to hard wiring.Attractive design - Neutral white colour similar to RAL 9016, compatible with any interior style Suitable for continuous operation. Very quiet and energy-efficient device.Description:Design: Installation options: wall-mounted (vertical, horizontal) or in the sloping roof. DN 90 exhaust and outside air connection on the rear of the appliance. Brief description: Intelligent ventilation unit with heat and moisture recovery for controlled ventilation with a flow rate of 20 to 70 m3/h, very quiet unit with extremely good sound insulation properties. Complete separation of the exhaust air/supply air ducting throughout the unit. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Hygiene certificate according to VDI 6022, sheet 1 available. Compact and highly efficient - energy efficiency class A. Sound and energy-optimised fans in EC technology: 6.1 W at level 2 (30 m3/h) for the entire ventilation unit. Particularly suitable for modern new builds and refurbishments. KFW - eligible for funding and entry in the TZWL bulletin (NRW funding programme) is available. Plug & Play: Simple commissioning, free commissioning software. No sensitivity to pressure fluctuations: The integrated / automatic constant volume flow control ensures that the set volume flow is maintained at all times under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. No adjustment of the volume flows is necessary. Various operating modes: Off, Manual, Auto Sensor, ECO exhaust air, ECO supply air. Air quality display via LED. High-quality RLS 1 GS room air control unit made of glass included in the scope of delivery. ISO Coarse 80 % (G4) filter in the extract and outside air. A filter cascade with an ISO ePM1 60 % (F7) pollen filter is optionally available on the outside air side. Filter can be changed without tools. The Powerbox H is equipped with a state-of-the-art enthalpy heat exchanger with hygiene certificate in accordance with VDI 6022, Sheet 1. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation as well as an intelligent frost protection and dehumidification strategy (overhumidification protection). Bypass mode / eco mode: ECO supply air, ECO extract air for passive summer night cooling. The Powerbox can be controlled via APP (air@home) and via the browser-based web tool (www.air-home.de) using the integrated W-LAN interface. Standard USB interface for commissioning. The device has a multifunction contact for the control of z.B. Alarm / operating display / post-heating / pre-heating / external flap. 1 input contact (12 V) is available for z.B. safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Maximum device flexibility thanks to a wide range of equipment/connection options. Modern device module technology enables simple retrofitting (z.B. Preheating) as well as high user-friendliness for service and maintenance. Areas of application: Rooms up to 60 m2: Student rooms, care homes, assisted living, hotel rooms, offices, meeting rooms, waiting rooms. Housing: Housing with high airtightness made of thermal bridge-free, temperature-resistant, sound- and heat-insulating EPP material with powder-coated sheet metal cladding (colour: traffic white RAL 9016 - fine structure matt). EPP housing with very good hygienic / non-hygroscopic properties. Material tested by the Institute for Air Hygiene in accordance with VDI 6022. Device surface and inner housing are easy to clean. Filter: ISO Coarse 80 % (G4) filter in the exhaust and outside air. A filter cascade with an ISO ePM1 60 % (F7) pollen filter is optionally available on the outside air side. Tool-free filter replacement. Recommended accessories:: WS 75 Powerbox S, SVR 100 plug connector (item no. 0055.0188), WS 75 Powerbox H, surface-mounted installation kit: WS 75 RSAP (item no. 0093.1615) or flush-mounted installation kit: WS 75 RSUP (item no. 0093.1616).No. 0093.1616), surface-mounted cover: WS 75 APA (art. no. 0093.1617) or flush-mounted cover: WS 75 UPA (art. no. 0093.1618) or flush-mounted glass cover: WS 75 UPGA (art. no. 0093.1619), Optional accessories:: Duo LE reveal element (art. no. 0093.0088), Duo LEV reveal element extension (art. no. 0093.0089), Operation: RLS G1 WS room air control included in scope of delivery: On/Off, 5 manually adjustable air levels (z.B. Ventilation for moisture protection, ventilation for reduced ventilation, nominal ventilation, shock ventilation and intensive ventilation), automatic mode, filter change indicator, fault indicator. WS 75 Powerbox S: The control unit is mounted externally on the flush-mounted box. WS 75 Powerbox H: Control mounted directly on the appliance or externally on a flush-mounted box. Mobile operation via APP (air@home) or browser-based web tool (##########_2__-##########_3__) via smartphone, laptop or PC enables ##########_0__. Live reporting, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, USB connection for service / commissioning - free MAICO commissioning software. Network integration via integrated W-LAN module. Smart-Home ready (z.B. Loxone via MODBUS TCP/IP). Modbus TCP in progress. Optional KNX plug-in module K-SM for integration into building management systems ##########_21__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the extract air spigot. Alternative accessory sensors for the exhaust air spigot: Combination sensor temperature-humidity-CO2 or temperature-humidity-VOC. Up to 2 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for activation of z.B. Operating and fault display, heating coil, external dampers or cooling. Input for safety-related switch-off via 12V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Sleep function: The appliance is switched off for an adjustable sleep time and then restarts. Approvals and certificates: Test report in accordance with DIN EN 13141-8. Hygiene certificates for casing material (EPP) and heat exchanger. Entry in TZWL / TZWL bulletin. Heat exchanger / heat recovery: Highly efficient enthalpy cross-counterflow heat exchanger. Heat recovery up to 93 % and humidity recovery up to 75 %. Hygiene certificate (no bacteria, virus growth/virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. No condensate connection necessary. Bypass: Eco mode: ECO supply air, ECO extract air for passive summer night cooling. Frost protection: Prevention of heat exchanger freezing at low temperatures by monitoring the exhaust air temperature. If there is a risk of frost, the fresh air volume flow is gradually reduced. Fans: Centrifugal fans in outside air and exhaust air. Energy-efficient EC DC motors with integrated constant volume flow control. 4 ventilation levels continuously adjustable from 20 m3/h to 70 m3/h. Installation instructions: Surface-mounted installation together with the WS 75 RSAP shell mounting set and the WS 75 APA surface-mounted cover or flush-mounted installation together with the WS 75 RSUP shell mounting set and the WS 75 UPA flush-mounted cover or the WS 75 UPGA flush-mounted glass cover. Recommended core drill hole: DN 140 with a slight gradient to the outside. Housing cover can be easily removed. No adjustment of the system necessary. The device is installed ready for operation. The electrical connection is made using Festverdrahtung.Artikel: WS 75 Powerbox H, design: exhaust and outside air connection at the rear, number of ventilation stages: 4, delivery volume: 20 m3/h / 30 m3/h / 40 m3/h / 50 m3/h / (max. delivery volume 70 m3/h, SEC. Delivery volume 70 m3/h), SEC average: -40.82 kWh/(m2*a), Energy efficiency class: A, Voltage type: Alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz / 60 Hz, Maximum power consumption: 5.2 W / 6.1 W / 8.3 W / 11.5 W, Stand-by power consumption: < 1 W, IMax: 0.2 A, Protection rating: IP 00, Electrical plug connection: Terminal, Installation location: External wall, Installation type: Surface-mounted, System type: decentralised/centralised, Housing material: plastic EPP, Heat exchanger material: plastic, Internal cladding material: EPP, Colour: traffic white RAL 9016 (fine structure matt), Weight: 16.85 kg, Weight with packaging: 19.881 kg, Filter type: external and exhaust air filter, Filter class: ISO Coarse 80 % (G4) / optional ISO ePM1 60 % (F7), Connection diameter: 75 mm, width: 510 mm, height: 1040 mm, depth: 155 mm, width with packaging: 595 mm, height with packaging: 1130 mm, depth with packaging: 210 mm, fluid temperature at IMax: -15 °C to 60 °C, ambient temperature: 10 °C to 40 °C, heat recovery efficiency: 93 % / at 20 m3/h, heat exchanger design: Enthalpy cross-counterflow, Humidity recovery with enthalpy heat exchanger to DIN EN 13141-7 (A2): 75 %, Permissible humidity in the installation room: 80 %, Frost protection circuit: yes, Filter monitoring: time-controlled, MODBUS interface: integrated, Sound pressure level: 15 dB(A) / 16 dB(A) / 19 dB(A) / 20 dB(A) / flush-mounted, Distance 1 m free field conditions, Weighted max. Element standard sound level difference Dn,w: 56 dB / measured with non-return damper and combi wall spigot, 62 dB measured with non-return damper and reveal element, Rated sound reduction index Rw,R: 31 dB / measured with non-return damper and combi wall spigot, 37 dB measured with non-return damper and reveal element, Max. speed: 2000 1/min. Max. speed: 2000 1/min

WS 75 Powerbox S - Brief InformationDecentralised or small central highly efficient ventilation unit with heat recovery, EC fans and enthalpy cross-counterflow heat exchanger. DN 100 supply and exhaust air connection on the side. Each 2* DN 75 exhaust and supply air. Including high-quality room air control RLS G1 WS made of glass, temperature and humidity monitoring, 2 x ISO Coarse 80 % (G4) filters, volume flow range from 20 to 70 m³/h, version: ceiling installation recessed or surface-mounted or interior wall, see necessary accessories.WS 75 Powerbox S - Product DescriptionVersionInstallation options: ceiling suspended, wall mounting or in the roof slope.DN 100 supply and exhaust air connection on the side.Brief DescriptionIntelligent ventilation unit with heat and moisture recovery for controlled supply and exhaust ventilation with a delivery volume of 20 to 70 m³/h.Very quiet unit with excellent sound insulation properties.Complete separation of exhaust and supply air paths throughout the unit. This prevents unwanted recirculation operation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Hygiene certificate according to VDI 6022, Sheet 1 available.Compact and highly efficient - energy efficiency class A. Sound and energy-optimised fans in EC technology: 6.1 W at level 2 (30 m³/h) for the entire ventilation unit.Especially suitable for modern new buildings and renovations.KfW funding eligibility and NRW funding are available.Plug & Play: Easy commissioning, free commissioning software.No sensitivity to pressure fluctuations: The integrated / automatic volume flow constancy control ensures permanent compliance with the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also results in easier commissioning / air volume measurement at the valves. No balancing of volume flows is necessary.Various operating modes: Off, Manual, Auto Sensor, ECO Exhaust, ECO Supply.Air quality display via LED.High-quality room air control RLS G1 WS made of glass included in delivery.ISO Coarse 80 % (G4) filters in exhaust and outdoor air. On the outdoor air side, an optional filter cascade with an ISO ePM1 60 % (F7) pollen filter is possible. Filters can be changed without tools.The Powerbox is equipped with a state-of-the-art enthalpy heat exchanger with hygiene certificate according to VDI 6022, Sheet 1.Standard integrated combined sensor (humidity/temperature) in the exhaust air enables demand-controlled ventilation operation as well as an intelligent frost protection and dehumidification strategy (over-humidity protection).Bypass operation / Eco mode: ECO supply air, ECO exhaust air for passive summer night cooling.The Powerbox can be controlled via APP (air@home) and via the browser-based web tool (www.air-home.de) using the integrated Wi-Fi interface.Standard USB interface for commissioning.The unit has a multifunction contact for controlling e.g. alarm / operating indicator / reheating / preheating / external flap.1 input contact (12 V) is available for e.g. safety shutdowns.Various inputs/outputs allow control connection to other building technology devices, e.g. heat pump.Integrated MODBUS interface (TCP) for integration into building management systems.The optional plug-in module K-SM enables integration into KNX building systems.The optional plug-in module E-SM enables integration into EnOcean systems.Maximum device flexibility through various equipment/connection options.Modern device module technology enables easy retrofitting (e.g. preheating) as well as high user-friendliness for service and maintenance.Areas of application: rooms up to 60 m²: student rooms, nursing homes, assisted living, hotel rooms, offices, meeting rooms, waiting rooms.FeaturesHousingHousing with high airtightness made of thermal bridge-free, temperature-resistant, sound and heat insulating EPP material with powder-coated sheet metal cladding. Colour: traffic white similar to RAL 9016 - fine structure matt.EPP housing with very good hygienic / non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Device surface and interior housing are easy to clean.FiltersISO Coarse 80 % (G4) filters in exhaust and outdoor air. On the outdoor air side, an optional filter cascade with an ISO ePM1 60 % (F7) pollen filter is possible.Tool-free filter replacement.Recommended Accessories:WS 75 Powerbox SConnector SVR 100 (Art.-No. 0055.0188)WS 75 Powerbox HRough-in mounting set surface-mounted: WS 75 RSAP (Art.-No. 0093.1615) or rough-in mounting set flush-mounted: WS 75 RSUP (Art.-No. 0093.1616)Cover surface-mounted: WS 75 APA (Art.-No. 0093.1617) or cover flush-mounted: WS 75 UPA (Art.-No. 0093.1618) or cover flush-mounted glass: WS 75 UPGA (Art.-No. 0093.1619)Optional Accessories:Reveal element Duo LE (Art.-No. 0093.0088)Reveal element extension Duo LEV (Art.-No. 0093.0089)OperationRoom air control RLS G1 WS included: On/Off, 5 manually adjustable air levels (e.g. ventilation for moisture protection, ventilation for reduced ventilation, nominal ventilation, shock ventilation and intensive ventilation), automatic operation, filter change indicator, fault indicator.WS 75 Powerbox S: The control is mounted externally on the flush-mounted box.WS 75 Powerbox H: Control directly on the unit or mounted externally on a flush-mounted box.Operation via browser-based web tool (www.air-home.de).Live reporting, user managementDemand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO mode supply air or ECO mode exhaust airFilter queries, error messagesUSB connection for service / commissioning - free MAICO commissioning software.Network connection via integrated 2.4 GHz WLAN module.Smart home ready (e.g. Loxone via MODBUS TCP/IP).Modbus TCP in progress.Optional KNX plug-in module K-SM for integration into building management technology www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the "EnOcean world" www.enocean-alliance.org.ControlStandard demand-controlled volume flow control ("relevant humidity value").Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outdoor, exhaust and supply air.1 combined sensor (temperature and humidity) in the exhaust air connection.Alternative accessory sensors for the exhaust air connection: combined sensor temperature-humidity-CO2 or temperature-humidity-VOC.Up to 2 external sensors of different types (CO2, VOC, humidity) can be connected.Multifunction contact for controlling e.g. operating and fault indicator, heating coil, external flaps or cooling.Input for safety shutdown via 12V contact (e.g. smoke detector, fire alarm, pressureless fire appliance).Sleep function: Device switches off after an adjustable sleep duration and then restarts.Approvals and CertificatesTest report according to DIN EN 13141-8.Hygiene certificates for housing material (EPP) and heat exchanger.Entry in TZWL bulletin.Heat Exchanger / Heat RecoveryHighly efficient enthalpy cross-counterflow heat exchanger.Heat recovery up to 93 % and moisture recovery up to 75 %.Hygiene certificate (no bacteria, virus growth/virus transmission) according to VDI 6022, Sheet 1.Heat exchanger cleanable with water, antimicrobial.No condensate connection necessary.Summer ModeEco mode: ECO supply air, ECO exhaust air for passive summer night cooling.Frost ProtectionPrevention of heat exchanger freezing at low temperatures by monitoring the exhaust air temperature.In case of frost risk, the outdoor air volume flow is gradually reduced.FansRadial fans in outdoor air and exhaust air.Energy-efficient EC direct current motors with integrated volume flow constancy control.4 ventilation levels from 20 m³/h to 70 m³/h continuously adjustable.Installation InstructionsInstallation on suspended ceiling or interior wall.Recommended core drill hole: minimum diameter 105 mm.Light, very time-saving installation by folding and screwing the mounting brackets directly on the unit.Housing cover easily removable.No balancing of the system necessary.The unit is delivered ready for operation. Electrical connection is made by fixed wiring.Installation / Operation / Maintenance Wiring diagramsQuick start: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation instructions final assembly WS 75 Powerbox: pdf | onlineInstallation instructions rough-in mounting WS 75 Powerbox: pdf | online ArticleWS 75 Powerbox SVersionSupply and exhaust air connection on the sideNumber of ventilation levels4Delivery volume20 m³/h / 70 m³/h / (Factory setting 20 / 30 / 40 / 50 m³/h)SEC average-40.82 kWh/(m²*a)Energy efficiency classAType of voltageAlternating currentRated voltage230 VMains frequency50 Hz / 60 HzMaximum power consumption5.2 W / 6.1 W / 8.3 W / 11.5 WStand-by power consumption< 1 WIMax0.2 AProtection classIP 00Electrical plug connectionTerminalInstallation location(Suspended) ceiling / interior wallInstallation typeFlush-mountedSystem typedecentralised/centralHousing materialPlastic EPPHeat exchanger materialPlasticInterior cladding materialEPPColourtraffic white RAL 9016 (fine structure matt)Weight17.5 kgWeight with packaging20.5 kgFilter typeOutdoor and exhaust air filterFilter classISO Coarse 80 % (G4) / optional ISO ePM1 60 % (F7)Connection diameter100 mm / 75 mmWidth640 mmHeight1,040 mmDepth155 mmWidth with packaging660 mmHeight with packaging1,060 mmDepth with packaging180 mmTransport medium temperature at IMax-15 °C to 60 °CAmbient temperature10 °C to 40 °CHeat provision rate93 % / at 20 m³/hHeat exchanger typeEnthalpy cross-counterflowMoisture recovery with enthalpy heat exchanger according to DIN EN 13141-7 (A2)75 %Permissible humidity in installation room80 %BypassnoPreheating coiloptionalEnthalpy heat exchangeryesFrost protection circuityesSummer modeECO exhaust air / ECO supply airFilter monitoringtime-controlledHumidity controlintegratedCO2 control (optional)WS 75 CO2, PP 45 CO2, SKDAir quality control (optional)WS 75 VOC, PP 45 VOCKNX connection (optional)K-SMMODBUS interfaceintegratedControl unit includedRLS G1 WS, APPRadio integration EnOcean (optional)yesMobile controlyesSound pressure level15 dB(A) / 16 dB(A) / 19 dB(A) / 20 dB(A) / Flush-mounted installation, distance 1 m free field conditionsRated max. element standardised sound level difference Dn,w56 dB / measured with non-return flap and combined wall connection, 62 dB measured with non-return flap and reveal elementRated sound insulation Rw,R31 dB / measured with non-return flap and combined wall connection, 37 dB measured with non-return flap and reveal elementPackaging unit1 pieceRangeKGTIN (EAN)4012799956457Article number0095.0645

WS 170 R - Brief InformationCentral ventilation unit with very effective heat recovery via cross-counterflow heat exchanger, EC motors with constant volume flow control, supply and exhaust air on the right, 4 x DN 125, including control unit RLS 1 WR and mobile control via app, DIBT approval, 40 - 160 m³/h, 23 - 46 m³/h in interval operation, KNX connection possible, 4 connectors SVR 125 or 90° bend B90-125 required for connection of spiral duct pipes (to be ordered as accessories)WS 170 R - Product DescriptionStandard VersionStandard version with cross-counterflow heat exchanger.Unit in right-hand version.ISO Coarse 80 % (G4) filters in exhaust and outdoor air.Sound-optimised casing.Brief DescriptionCentral compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust ventilation.Highly efficient ventilation unit achieves energy efficiency class A.Especially suitable for modern new builds and renovations (e.g. apartments).The slim ventilation unit (width: 59.5 cm) is also particularly suited for kitchen installation.KfW funding eligibility and NRW funding are available.Easy, very time-saving installation with the wall bracket included in the scope of delivery.A filter cascade (ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)) in the outdoor air is possible to extend filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of exhaust and supply air paths throughout the unit. This prevents unwanted recirculation operation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included in delivery.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control updates and service.All units are equipped with highly energy-efficient fans in EC technology.The integrated/automatic constant volume flow control ensures permanent compliance with the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also results in easier commissioning/air volume measurement at the valves.Standard integrated combined sensor (humidity/temperature) in the exhaust air enables demand-controlled ventilation operation as well as an intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to the actual demand.2 input contacts (12 V and 230 V) are available for e.g. safety shutdowns.Various inputs/outputs allow control connection to other building technology devices, e.g. heat pump.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.Optional plug-in module K-SM enables integration into KNX building systems.Optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for expansion functions such as "pressure constant control" of EC fans, zone damper, brine geothermal heat exchanger (controlled pump), filter differential pressure measurement.Maximum device flexibility through various equipment/connection options.Modern device module technology allows easy retrofitting (e.g. preheating, bypass) as well as high user-friendliness for service and maintenance.CasingPowder-coated steel sheet casing.Colour: traffic white, similar to RAL 9016.Sound-optimised casing with additional insulation for units with bypass "B".Filter change possible without tools.Casing cover can be opened via quick-release fasteners.Tight, thermal bridge-free inner casing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 42 mm).EPP casing with very good hygienic/non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in EPP casing.Unit surface and inner casing are easy to clean.Condensate drain (3/4" hose connection or drain pipe Ø 28 mm) at the bottom of the unit.Connection to a siphon.FiltersFor WS 170 R/L and WS 170 RET/LET units, ISO Coarse 80 % (G4) filters are used in exhaust and outdoor air.For WS 170 KR/KL, WS 170 KRET/KLET, WS 170 KBR/KBL, WS 170 KBRET/KBLET units, ISO Coarse 80 % (G4) filters in exhaust air and ISO ePM1 55 % (F7) pollen filters in outdoor air.Optional filter cascade (ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)) in outdoor air possible to extend filter service life.Tool-free filter change.OperationReady for operation with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile control via app (Maico@home).Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO operation supply air or ECO operation exhaust airFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO exhaust / ECO supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO exhaust airFilter change and fault indicatorUSB connection for service/commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the "EnOcean world" www.enocean-allinace.org.ControlStandard demand-controlled volume flow control ("relevant humidity value").Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outdoor, exhaust and supply air.1 combined sensor (temperature and humidity) in exhaust air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for control of:3-way damper (e.g. air-geothermal heat exchanger)a controlled pump (e.g. brine geothermal heat exchanger)an air damper of a zone controlswitch contact use for external reheating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with another building technology device such as a heat pump.Approvals and CertificatesDIBt approval: all WS 170 units (exception: WS 170 .. ET variants).PHI certificate: WS 170 KR, WS 170 KL, WS 170 KBR; WS 170 KBL.Test report according to DIN EN 13141-7.Certificate according to Swiss "energie-cluster.ch".Hygiene certificates for casing material (EPP) and heat exchangers.Entry in TZWL bulletin.Heat Exchanger/Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 95 %.Moisture recovery up to 66 % (for ET units).Hygiene certificate (no bacteria, virus growth/virus transmission) according to VDI 6022, Sheet 1.Heat exchanger cleanable with water, antimicrobial.Units with enthalpy heat exchangers do not require a condensate connection.BypassIncluded in the "B" unit variants.Patented automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Frost ProtectionPrevention of heat exchanger freezing at low temperatures.Highly energy-efficient frost protection function in "K" unit versions via demand-controlled, power-modulated electric PTC preheating coil.In "non-K" unit versions by switching off the supply air fan.Recommendation: For "non-K" unit versions, combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in outdoor air and exhaust air.Energy-efficient EC direct current motors with integrated volume flow constancy control.Possibility of pressure constancy control via optional additional circuit board ZP 2.4 ventilation levels from 40 m³/h to 160 m³/h continuously adjustable.Installation NotesEasy, very time-saving installation with the wall bracket included in the scope of delivery.Casing cover easily removable via practical magnetic fasteners.Provide silencers on supply and exhaust air sides.Note: All unit variants (e.g. "K") can be retrofitted to other unit variants (e.g. "KRET") with optional components.Installation / Operation / Maintenance Wiring diagramsCustomer service request/orderInstallation and operating instructions wibutler: pdf | onlineSafety instructions WS: pdf | onlineQuick start operating instructions: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | online ArticleWS 170 RVersionStandard version rightNumber of ventilation levels4Air volume40 m³/h - 160 m³/hConstant volume flowyesSEC average-38.6 kWh/(m²*a)Energy efficiency classAType of voltageAlternating currentRated voltage230 VMains frequency50 Hz / 60 HzSPI value according to DIN EN 13141-7 (A7)0.32 Wh/m³Power consumption21 W - 80 W / At 100 Pa counterpressurePower consumption according to DIN EN 13141-7 (A7)35 WStand-by power consumption< 1 WIMax0.5 AProtection classIP 00DIBT approvalyesPHI certificationnoInstallation locationWallInstallation siteBathroom / Kitchen / Basement / Attic / Knee wall / Utility room / Boiler room / HallwaySystem typecentralCasing materialgalvanised steel sheet, powder-coatedHeat exchanger materialPlasticInner lining materialPlastic EPPColourtraffic white (RAL 9016)Weight37.14 kgWeight with packaging41.83 kgFilter classISO Coarse 80 % (G4)Connection diameter125 mmConnection diameter condensate drain3/4" hose connection or drain pipe Ø 28 mmWidth595 mmHeight820 mmDepth375 mmWidth with packaging640 mmHeight with packaging990 mmDepth with packaging400 mmMedium temperature at IMax-20 °C to 60 °CAmbient temperature10 °C to 40 °CMax. heat supply rate according to DIN EN 13141-7 (A7)95 %Heat exchanger typeCross-counterflowExhaust air positionrightBypassnoPreheating coilexternalEnthalpy heat exchangernoFrost protection circuityesSummer circuitExhaust air / Supply airFilter monitoringtime-controlledHumidity controlintegratedCO2 control (optional)SKDAir quality control (optional)EAQ 10/3KNX connection (optional)K-SMMODBUS interfaceintegratedControl unit includedRLS 1 WR, AppControl unit (optional)RLS T2 WS, RLS G1 WSRadio integration EnOcean (optional)E-SMMobile controlyesSound pressure level casing radiation36 dB / Distance 3 m, sound absorption 10 m²Approval numberZ-51.3-292Packaging unit1 pieceRangeKGTIN (EAN)4012799952763Article number0095.0276

CO2 Sensor WS 75 CO2 internal, for WS 75 Powerbox HFeatures:Quality Made in GermanyCombination sensor - for simple controlThe sensor controls the ventilation unit based on the measured CO2 value.Attractive design - Neutral green, compatible with any interior styleSuitable for continuous operation.Description:The combination sensor has three probes: temperature, humidity, and CO2. The ventilation unit is controlled according to the measured humidity and CO2 values. Item: WS 75 CO2, Installation location: MVHR unit, Material: plastic, Colour: green, Weight: 0.0119 kg, Weight with packaging: 0.025 kg, Width: 63 mm, Height: 25 mm, Depth: 16 mm, Width with packaging: 90 mm, Height with packaging: 85 mm, Depth with packaging: 45 mm

Surface-mounted shell assembly set WS 75 RSAP for WS 75 Powerbox HFeatures:Quality Made in GermanyShell assembly set – for easy installation.Consists of a mounting box with integrated drilling template for core drilling and two thermally insulated wall sleeves (each with two plaster protection covers) with condensate drainage channels.Attractive design – Neutral traffic black RAL 9017, compatible with any interior styleSuitable for continuous operation.Description:Shell assembly set for installation on the exterior wall for the WS 75 Powerbox H ventilation unit with heat recovery, suitable for wall thicknesses up to 500 mm. Scope of delivery: mounting box (width x height x depth: 538 x 1070 x 25 mm) with integrated drilling template, two wall sleeves (Ø 125 mm outer, Ø 90 mm inner, length 500 mm) made of EPP, each with two plaster protection covers. Item: WS 75 RSAP, housing material: sheet steel, powder-coated, colour: traffic black RAL 9017, weight: 5.31 kg, weight with packaging: 7.062 kg, width: 538 mm, height: 1070 mm, depth: 25 mm, width with packaging: 595 mm, height with packaging: 1130 mm, depth with packaging: 210 mm

Surface-mounted cover WS 75 APA for WS 75 Powerbox H, made of sheet metal and glassFeatures:Quality Made in GermanySurface-mounted cover - for easy installation.Cover with glass insert. Modern design. Quick and easy installation.Attractive design - neutral white colour similar to RAL 9016, compatible with any interior style Suitable for continuous operation. Description:Design cover made of sheet metal with high-quality glass insert. Modern design. Colour: Traffic white RAL 9016 (fine structure matt). Dimensions (W x H x D): 554 x 1090 x 162 mm. Quick and easy Montage.Artikel: WS 75 APA, material: sheet steel, powder-coated with glass insert, colour: traffic white, similar to RAL 9016, weight: 10.048 kg, weight with packaging: 12.036 kg, width: 554 mm, height: 1090 mm, depth: 162 mm, width with packaging: 595 mm, height with packaging: 1130 mm, depth with packaging: 210 mm

WS 170 RET - Brief InformationCentral ventilation unit with very effective heat recovery via enthalpy cross-counterflow heat exchanger, EC motors with constant volume flow control, supply and extract air on the right, 4 x DN 125, including control unit RLS 1 WR and mobile control via app, DIBT approval, 40 - 160 m³/h, 23 - 46 m³/h in interval operation, KNX connection possible, 4 connectors SVR 125 or 90° bend B90-125 required for connection of spiral duct pipes (to be ordered as accessories)WS 170 RET - Product DescriptionStandard VersionStandard version with enthalpy heat exchanger.Unit as right-hand version.ISO Coarse 80 % (G4) filter in extract and outdoor air.Sound-optimised casing.Brief DescriptionCentral compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust ventilation.Highly efficient ventilation unit achieves energy efficiency class A.Especially suitable for modern new builds and renovations (e.g. apartments).The slim ventilation unit (width: 59.5 cm) is also particularly suited for kitchen installation.KfW funding eligibility and NRW funding are available.Easy, very time-saving installation with the wall bracket included in the scope of delivery.A filter cascade (ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)) in the outdoor air is possible to increase filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of extract and supply air paths throughout the unit. This prevents unwanted recirculation operation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included in delivery.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control update and service.All units are equipped with highly energy-efficient fans in EC technology.The integrated/automatic constant volume flow control ensures permanent compliance with the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also results in easier commissioning/air volume measurement at the valves.Standard integrated combined sensor (humidity/temperature) in the extract air enables demand-controlled ventilation operation as well as an intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to the actual demand.2 input contacts (12 V and 230 V) are available for e.g. safety shutdowns.Various inputs/outputs allow control connection to other building technology devices, e.g. heat pump.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.The optional plug-in module K-SM enables integration into KNX building systems.The optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for expansion functions such as "pressure constant control" of EC fans, zone damper, brine geothermal heat exchanger (controlled pump), filter differential pressure measurement.Maximum unit flexibility through various equipment/connection options.Modern modular unit technology allows easy retrofitting (e.g. preheating, bypass) as well as high user-friendliness for service and maintenance.CasingPowder-coated steel sheet casing.Colour: traffic white, similar to RAL 9016.Sound-optimised casing with additional insulation for units with bypass "B".Filter change easily possible without tools.Casing cover can be opened via quick-release fasteners.Tight, thermal bridge-free inner casing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 42 mm).EPP casing with very good hygienic/non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in EPP casing.Unit surface and inner casing are easy to clean.Condensate drain (3/4" hose connection or drain pipe Ø 28 mm) at the bottom of the unit.Connection to a siphon.FiltersFor the WS 170 R/L and WS 170 RET/LET units, ISO Coarse 80 % (G4) filters are used in extract and outdoor air.For the WS 170 KR/KL, WS 170 KRET/KLET, WS 170 KBR/KBL, WS 170 KBRET/KBLET units, ISO Coarse 80 % (G4) filters in extract air and ISO ePM1 55 % (F7) pollen filters in outdoor air.Optional filter cascade (ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)) in outdoor air possible to increase filter service life.Tool-free filter replacement.OperationReady for operation with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile operation via app (Maico@home).Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO operation supply air or ECO operation extract airFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO Extract / ECO Supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO extract airFilter change and fault indicatorUSB connection for service/commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the "EnOcean world" www.enocean-alliance.org.ControlStandard demand-controlled volume flow control ("relevant humidity value").Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outdoor, exhaust and supply air.1 combined sensor (temperature and humidity) in the extract air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for control of:3-way damper (e.g. air-geothermal heat exchanger)a controlled pump (e.g. brine geothermal heat exchanger)an air damper of a zone controlswitch contact use for external reheating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with another building technology device such as a heat pump.Approvals and CertificatesDIBt approval: all WS 170 units (exception: WS 170 .. ET variants).PHI certificate: WS 170 KR, WS 170 KL, WS 170 KBR; WS 170 KBL.Test report according to DIN EN 13141-7.Certificate according to Swiss "energie-cluster.ch".Hygiene certificates for casing material (EPP) and heat exchanger.Entry in TZWL bulletin.Heat Exchanger/Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 95 %.Moisture recovery up to 66 % (for ET units).Hygiene certificate (no bacteria, virus growth/virus transmission) according to VDI 6022, Sheet 1.Heat exchanger washable with water, antimicrobial.Units with enthalpy heat exchangers do not require a condensate connection.BypassIncluded in the "B" unit variants.Patented automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Frost ProtectionPrevention of heat exchanger freezing at low temperatures.Highly energy-efficient frost protection function in "K" unit versions via demand-controlled, power-modulated electric PTC preheating coil.In "non-K" unit versions by switching off the supply air fan.Recommendation: For "non-K" unit versions, combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in outdoor air and exhaust air.Energy-efficient EC direct current motors with integrated volume flow constancy control.Possibility of pressure constancy control via optional additional circuit board ZP 2.4 ventilation levels from 40 m³/h to 160 m³/h continuously adjustable.Installation NotesEasy, very time-saving installation with the wall bracket included in the scope of delivery.Casing cover easily removable via practical magnetic fasteners.Provide silencers on supply and exhaust air sides.Note: All unit variants (e.g. "K") can be retrofitted to other unit variants (e.g. "KRET") later by optional components.Installation / Operation / Maintenance Wiring DiagramsCustomer Service Request/OrderInstallation and operating instructions wibutler: pdf | onlineSafety instructions WS: pdf | onlineQuick start operating instructions: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineInformation for Enthalpy Versions ItemWS 170 RETVersionStandard version rightNumber of ventilation levels4Air volume40 m³/h - 160 m³/hConstant volume flowyesSEC average-36.5 kWh/(m²*a)Energy efficiency classAType of currentAlternating currentRated voltage230 VMains frequency50 Hz / 60 HzSPI value according to DIN EN 13141-7 (A7)0.28 Wh/m³Power consumption21 W - 80 W / at 100 Pa counterpressurePower consumption according to DIN EN 13141-7 (A7)36 WStand-by power consumption< 1 WIMax0.5 AProtection classIP 00DIBT approvalyesPHI certificationnoInstallation locationWallPlace of installationBathroom / Kitchen / Basement / Attic / Knee wall / Utility room / Boiler room / HallwaySystem typecentralCasing materialgalvanised steel sheet, powder-coatedHeat exchanger materialPlasticInner lining materialPlastic EPPColourtraffic white (RAL 9016)Weight44.9 kgWeight with packaging49.73 kgFilter classISO Coarse 80 % (G4)Connection diameter125 mmConnection diameter condensate drain3/4" hose connection or drain pipe Ø 28 mmWidth595 mmHeight820 mmDepth375 mmWidth with packaging640 mmHeight with packaging990 mmDepth with packaging400 mmMedium temperature at IMax-20 °C to 60 °CAmbient temperature10 °C to 40 °CMax. heat supply rate according to DIN EN 13141-7 (A7)90 %Heat exchanger typeEnthalpy cross-counterflowMoisture recovery with enthalpy heat exchanger according to DIN EN 13141-7 (A2)66 %Extract air positionrightBypassnoPreheating coilexternalEnthalpy heat exchangeryesFrost protection circuityesSummer circuitExtract air / Supply airFilter monitoringtime-controlledHumidity controlintegratedCO2 control (optional)SKDAir quality control (optional)EAQ 10/3KNX connection (optional)K-SMMODBUS interfaceintegratedControl unit includedRLS 1 WR, AppControl unit (optional)RLS T2 WS, RLS G1 WSRadio integration EnOcean (optional)E-SMMobile controlyesSound pressure level casing radiation36 dB / distance 3 m, sound absorption 10 m²Packaging unit1 pieceRangeKGTIN (EAN)4012799952770Article number0095.0277

WS 320 B - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control, including bypass and cross-counterflow heat exchanger, supply and extract air on the left, volume flow 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors required for connection to spiral ducting, including control unit RLS 1 WR, MAICO app for mobile device control, DIBt approval, Passive House certificate, KNX, Modbus, Loxone and EnOcean connectivity possibleWS 320 B - Product DescriptionBypass VersionWith bypass and cross-counterflow heat exchanger.Unit in left-hand version.Highly efficient ventilation unit achieves energy efficiency class A+ without optional accessories.Modulating, automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Brief DescriptionCentral compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust air ventilation.Especially suitable for modern new builds and renovations.KfW funding eligibility and NRW funding available.Wall-mounted or standing installation (optional).ISO Coarse 85% (G4) filter in the extract air and ISO ePM1 80% (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 85%/ISO ePM1 80%) in the outside air is possible to extend filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of extract and supply air paths throughout the unit. This prevents unwanted recirculation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included in delivery.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control updates and service.All units are equipped with highly energy-efficient EC technology fans.Integrated/automatic constant volume flow control ensures permanent adherence to the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also simplifies commissioning/air volume measurement at the valves.Standard integrated combined sensor (humidity/temperature) in the extract air enables demand-controlled ventilation operation as well as intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to actual demand.Additionally, all units have a multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operating and fault indication, pre-heating or post-heating coils, external flaps or cooling.2 input contacts (12 V and 230 V) are available for safety shutdowns, for example.Various inputs/outputs allow control connection to other building services equipment, e.g. heat pump.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.Optional plug-in module K-SM enables integration into KNX building systems.Optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for expansion functions such as “pressure constant control” of EC fans, zone damper, brine ground heat exchanger (regulated pump), filter differential pressure measurement.Maximum unit flexibility through various equipment/connection options.Modern modular unit technology allows easy retrofitting (e.g. pre-heating, bypass) as well as high user-friendliness for service and maintenance.FeaturesHousingPowder-coated steel sheet housing.Colour: Traffic white, similar to RAL 9016.Filter change possible without tools.Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and thermal-insulating EPP material (average wall thickness 47 mm).EPP housing with very good hygienic / non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in EPP housing.Unit surface and inner housing easy to clean.Sound-absorbing inner lining in the supply air duct.Condensate drain via 1 ½“ sieve valve.Optional unit siphon DN 40 (see accessories).FiltersISO Coarse 85% (G4) filter in the extract air and ISO ePM1 80% (F7) pollen filter in the outside air.Optional filter cascade (ISO Coarse 85%/ISO ePM1 80%) in the outside air possible to extend filter service life.Tool-free filter change.OperationReady to operate with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile control via app (Maico@home)Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO operation supply air or ECO operation extract airFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO Extract / ECO Supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO extract airFilter change and fault indicatorUSB connection for service / commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the “EnOcean world” www.enocean-allinace.org.ControlStandard demand-controlled volume flow control (“relevant humidity value”).Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outside, extract and supply air.1 combined sensor (temperature and humidity) in the extract air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operating and fault indication, pre-heating or post-heating coils, external flaps or cooling.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional push-button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for controlling:3-way damper (e.g. air ground heat exchanger)a regulated pump (e.g. brine ground heat exchanger)an air damper of a zone controlswitch contact use for external post-heating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure-controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with other building services equipment such as heat pumps.Approvals and CertificatesDIBt approval.PH certification: all WS 320 left-hand versions.Test report according to DIN EN 13141-7.Certificate according to Swiss “energie-cluster.ch”.Hygiene certificates for housing material (EPP) and heat exchangers.Entry in TZWL bulletin.Heat Exchanger/Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 96%.Moisture recovery up to 68% (for ET units).Hygiene certificate (no bacteria, virus growth / virus transmission) according to VDI 6022, Sheet 1.Heat exchanger washable with water, antimicrobial.Units with enthalpy heat exchangers do not require a condensate connection.BypassIncluded in the "B" unit variants.Modulating, automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Frost ProtectionPrevents heat exchanger freezing at low temperatures.Highly energy-efficient frost protection function in “K” unit versions via demand-controlled, power-modulated electric PTC pre-heating coil.In “non-K” unit versions by switching off the supply air fan.Recommendation: For “non-K” unit versions, combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in supply and extract air.Energy-efficient EC DC motors with integrated constant volume flow control.Possibility of pressure constancy control via optional additional circuit board ZP 2.4 ventilation levels from 80 m³/h to 320 m³/h continuously adjustable.Installation NotesEasy, very time-saving installation with the wall bracket included in the delivery.Housing cover easily removable via practical magnetic fasteners.Provide silencers on supply and exhaust air sides.Note: All unit variants (e.g. “K”) can be retrofitted to other unit variants (e.g. “KRET”) later by optional components.Installation / Operation / Maintenance Wiring diagramsInstallation and operating instructions: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | online ArticleWS 320 BVolume flow80 m³/h - 320 m³/hSEC average-41.6 kWh/(m²*a)Energy efficiency classAType of currentAlternating currentRated voltage230 VMains frequency50 Hz / 60 HzPower consumption according to DIN EN 13141-7 (A7)37 WStand-by power consumption< 1 WIMax1.5 AProtection classIP 40DIBt approvalyesPHI certificationyesSPI value0.22 Wh/m³Installation locationstanding / wallSystem typecentralHousing materialgalvanised steel sheet, powder-coatedHeat exchanger materialplasticInner lining materialplastic EPPColourtraffic white (RAL 9016)Weight67 kgWeight with packaging79.19 kgFilter classISO Coarse 85% (G4) / ISO ePM1 80% (F7)Connection diameter160 mmConnection diameter condensate drain1 1/2" (sieve valve)Width841 mmHeight857 mmDepth598 mmWidth with packaging900 mmHeight with packaging1,120 mmDepth with packaging650 mmTransport medium temperature at IMax-20 °C to 40 °CMax. heat recovery rate according to DIN EN 13141-7 (A7)96 %Heat exchanger typeCross-counterflowExtract air positionleftBypassyesPre-heating coilnoEnthalpy heat exchangernoFrost protection circuityesSummer circuitECO extract air / ECO supply airFilter monitoringtime-controlledHumidity controlintegratedCO2 control (optional)SKDAir quality control (optional)EAQ 10/3KNX connection (optional)K-SMMODBUS interfaceintegratedControl unit includedRLS 1 WR, appControl unit (optional)RLS T2 WS, RLS G1 WSRadio integration EnOcean (optional)E-SMMobile controlyesSound pressure level housing radiation36 dB(A) / distance 1 m, sound absorption 10 m²

WS 160 Flat BET room air system with bypass and enthalpyFeatures:Made in Germany quality, super quiet, IP 00 protection rating for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldReady to use with on/off switch. Tool-free filter change. Additional control units can be connected in parallel. Mobile operation via APP or browser-based web tool is possible. Network connection is possible. Integrated over-humidity protection function and 3 temperature sensors. Various inputs and outputs enable connection to other building services devices. Easy installation thanks to direct screwing. Tool-free filter replacement possible. G4 filter and F7 pollen filter. RLS 1 WR control panel included, 4 air stages, filter change indicator and fault indicator. 2 supply air spigots (right and left) and one exhaust air spigot (centre). Integrated bypass damper for infinitely variable control and overhumidification protection functionAttractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral granite grey similar to RAL 7026, compatible with any home furnishing style Suitable for continuous operation. Very quiet and energy-efficient appliance.Description:Bypass version: Central unit with enthalpy heat exchanger and integrated bypass damper, which is controlled continuously as required. Depending on the temperature difference and user settings, the room air is optimally cooled without draughts occurring. Can be extended via optional additional board ZP 1 to control, among other things, an air flap for zone control. Brief description: Intelligent ventilation unit with heat and humidity recovery for controlled ventilation and extraction with a flow rate of 40 to 160 m3/h. Two supply air spigots (left and right) and one exhaust air spigot (centre) allow the supply air ducts to be laid without crossing. Complete separation of the exhaust air/supply air ducting throughout the entire appliance. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Hygiene certificate according to VDI 6022, sheet 1 available. Compact and highly efficient - energy efficiency class A. Sound and energy-optimised fans in EC technology. KFW - eligible for subsidies: Particularly suitable for modern new builds or refurbishments. Installation options: suspended from the ceiling or in the sloping roof. No sensitivity to pressure fluctuations: The integrated / automatic constant volume flow control ensures that the set volume flow is maintained permanently under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. No adjustment of the volume flows is necessary. Very quiet device with extremely low installation height (23 cm): This makes it particularly suitable for installation in suspended ceilings. Also suitable for installation in sloping ceilings. Various operating modes: Off, Manual, Auto Sensor, ECO exhaust air, ECO supply air. Room air control RLS 1 WR included in the scope of delivery. ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 55 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 80 % / ISO ePM1 55 %) in the outside air is possible to increase the filter service life. The ventilation unit is equipped with a state-of-the-art enthalpy heat exchanger with a hygiene certificate in accordance with VDI 6022, Sheet 1. The WS 160 Flat can be controlled via APP (air@home) and the browser-based web tool (##########_2__-##########_3__) using the integrated LAN interface. Plug & Play: Easy commissioning thanks to free commissioning software and standard USB connection for commissioning, control updates and servicing. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation and an intelligent dehumidification strategy (overhumidification protection). The appliance is also characterised by a frost protection strategy that is adapted to actual requirements. The heat recovery unit has a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables a high level of user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing. Filter change easily possible without tools. Tight, thermal bridge-free and sound-insulated inner housing made of temperature-resistant, sound- and heat-insulating EPP material. EPP housing with very good hygienic/non-hygroscopic properties. Device surface and inner housing are easy to clean. Filter: ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 55 % (F7) pollen filter in the outside air. Tool-free filter change. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_2__-##########_3__) via smartphone, laptop or PC enables ##########_0__. Live report generation, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, optional RLS T1 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of the Trio LZ possible, USB connection for service/commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_12__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Expandable via optional additional circuit board ZP 1 for controlling: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), switch contact use for external reheating coil, Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, Differential pressure-controlled filter monitoring, Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as z.B. heat pump. Approvals and certificates: DiBt approval. PHI certificate. Test report in accordance with DIN EN 13141-7. Certificate in accordance with Swiss energy _cluster.ch. Hygiene certificates for casing material (EPP) and heat exchanger. Heat exchanger/heat recovery: Highly efficient enthalpy cross-counterflow heat exchanger. Heat recovery up to 84 % and humidity recovery up to 53 %. Hygiene certificate (no bacteria, virus growth/virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. No condensate connection necessary. Bypass: The integrated bypass damper (100 % bypass) with demand-orientated bypass control enables infinitely variable bypass control. Depending on temperature differences and user settings, the room air is optimally cooled without draughts occurring. Frost protection: Prevents the heat exchanger from freezing at low temperatures by monitoring the exhaust air temperature. If there is a risk of frost, the outside air volume flow is gradually reduced. Fans: Forward curved centrifugal fans in the exhaust air or outside air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional ZP 2 additional circuit board. 4 ventilation levels continuously adjustable from 40 m3 to 160 m3/h. Installation instructions: Easy, very time-saving installation by screwing the device directly to the ceiling / wall. Housing cover can be easily removed via ##########_21__: WS 160 Flat BET, Version: Bypass version, Number of ventilation stages: 4, Delivery volume: 40 m3/h - 160 m3/h, Constant volume flow: yes, SEC average: -34.6 kWh/(m2*a), Energy efficiency class: A, Voltage type: AC, Rated voltage: 230 V, Mains frequency: 50 Hz / 60 Hz, SPI value to DIN EN 13141-7 (A7): 0.32 Wh/m3, Power consumption to DIN EN 13141-7 (A7): 36 W, Standby power consumption: < 1 W, IMax: 1.1 A, Protection rating: IP 00, DIBT approval: yes, PHI certification: yes, Installation location: bathroom / kitchen / cellar / attic / utility room / boiler room / hallway, System type: Central, Housing material: plastic EPP / sheet steel, Heat exchanger material: plastic, Internal cladding material: plastic EPP, Colour: black / traffic white, Weight: 24.558 kg, Weight with packaging: 27 kg, Filter class: ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7), Connection diameter: 125 mm / 160 mm, Condensate drain connection diameter: not required, Width: 582 mm, Height: 230 mm, Depth: 1260 mm, Width with packaging: 710 mm, Height with packaging: 245 mm, Depth with packaging: 1365 mm, Conveying medium temperature at IMax: -20 °C to 50 °C, Heat recovery efficiency: 84 %, Max. Heat recovery efficiency to DIN EN 13141-7 (A7): 76 %, Heat exchanger type: enthalpy cross-counterflow, Humidity recovery with enthalpy heat exchanger to DIN EN 13141-7 (A2): 53 %, Bypass: yes, Pre-heating coil: no, Zone damper: no, enthalpy heat exchanger: yes, frost protection circuit: yes, summer circuit: ECO extract air / ECO supply air, filter monitoring: time-controlled (optionally via differential pressure), humidity control: integrated, CO2 control: SKD, air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T2 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 37 dB(A) / distance 1 m, Sound absorption 10 m2, Approval number: Z-51.4-376, Max. Speed: 3300 1/min

WS 320 BR - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control, including bypass and cross-counterflow heat exchanger, supply and exhaust air on the right, volume flow 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors required for connection to spiral ducting, including control unit RLS 1 WR, MAICO app for mobile device control, DIBt approval, Passive House certificate, KNX, Modbus, Loxone and EnOcean connectivity possibleWS 320 BR - Product DescriptionBypass VersionWith bypass and cross-counterflow heat exchanger.Unit designed for right-hand installation.Highly efficient ventilation unit achieves energy efficiency class A+ without optional accessories.Modulating, automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Brief DescriptionCentral compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust ventilation.Especially suitable for modern new builds and renovations.KfW funding eligibility and NRW funding available.Wall-mounted or standing installation (optional).ISO Coarse 85% (G4) filter in the exhaust air and ISO ePM1 80% (F7) pollen filter in the outdoor air. A filter cascade (ISO Coarse 85%/ISO ePM1 80%) in the outdoor air is possible to extend filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of exhaust and supply air paths throughout the unit. This prevents unwanted recirculation operation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included in delivery.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control updates and service.All units are equipped with highly energy-efficient EC technology fans.Integrated/automatic constant volume flow control ensures permanent adherence to the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also simplifies commissioning/air volume measurement at the valves.Standard integrated combined sensor (humidity/temperature) in the exhaust air enables demand-controlled ventilation operation as well as intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to actual demand.Additionally, all units have a multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operation and fault indication, pre-heating or post-heating coil, external flaps or cooling.2 input contacts (12 V and 230 V) are available for safety shutdowns, for example.Various inputs/outputs allow control connection to other building services devices, e.g. heat pump.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.Optional plug-in module K-SM enables integration into KNX building systems.Optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for expansion functions such as "pressure constant control" of EC fans, zone damper, brine ground heat exchanger (regulated pump), filter differential pressure measurement.Maximum device flexibility through various equipment/connection options.Modern modular device technology allows easy retrofitting (e.g. pre-heating, bypass) as well as high user-friendliness for service and maintenance.FeaturesHousingPowder-coated steel sheet housing.Colour: Traffic white, similar to RAL 9016.Filter change possible without tools.Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 47 mm).EPP housing with very good hygienic / non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in EPP housing.Unit surface and inner housing easy to clean.Sound-absorbing inner lining in the supply air duct.Condensate drain via 1 ½“ sieve valve.Optional device siphon DN 40 (see accessories).FiltersISO Coarse 85% (G4) filter in the exhaust air and ISO ePM1 80% (F7) pollen filter in the outdoor air.Optional filter cascade (ISO Coarse 85%/ISO ePM1 80%) in the outdoor air possible to extend filter service life.Tool-free filter change.OperationReady for operation with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile control via app (Maico@home)Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO operation supply air or ECO operation exhaust airFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO exhaust / ECO supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO exhaust airFilter change and fault indicatorUSB connection for service / commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the "EnOcean world" www.enocean-allinace.org.ControlStandard demand-controlled volume flow control ("relevant humidity value").Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outdoor, exhaust and supply air.1 combined sensor (temperature and humidity) in the exhaust air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operation and fault indication, pre-heating or post-heating coil, external flaps or cooling.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional push-button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for controlling:3-way damper (e.g. air ground heat exchanger)a regulated pump (e.g. brine ground heat exchanger)an air damper of a zone controlswitch contact use for external post-heating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with another building services device such as a heat pump.Approvals and CertificatesDIBt approval.PH certification: all WS 320 left-hand versions.Test report according to DIN EN 13141-7.Certificate according to Swiss "energie-cluster.ch".Hygiene certificates for housing material (EPP) and heat exchangers.Entry in TZWL bulletin.Heat Exchanger/Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 96%.Moisture recovery up to 68% (for ET units).Hygiene certificate (no bacteria, virus growth / virus transmission) according to VDI 6022, Sheet 1.Heat exchanger cleanable with water, antimicrobial.Units with enthalpy heat exchangers do not require a condensate connection.BypassIncluded in the "B" device variants.Modulating, automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Frost ProtectionPrevents heat exchanger freezing at low temperatures.Highly energy-efficient frost protection function in "K" device versions via demand-controlled, power-modulated electric PTC pre-heating coil.In "non-K" device versions by switching off the supply air fan.Recommendation: In "non-K" device versions, combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in supply and exhaust air.Energy-efficient EC DC motors with integrated constant volume flow control.Possibility of pressure constant control via optional additional circuit board ZP 2.4 ventilation levels from 80 m³/h to 320 m³/h continuously adjustable.Installation InstructionsEasy, very time-saving installation with the wall bracket included in the delivery.Housing cover easily removable via practical magnetic fasteners.Provide silencers on supply and exhaust air sides.Note: All device variants (e.g. "K") can be retrofitted to other device variants (e.g. "KRET") later by optional components.Installation / Operation / Maintenance Wiring DiagramsInstallation and operating instructions: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | online ArticleWS 320 BRVolume Flow80 m³/h - 320 m³/hSEC average-41.6 kWh/(m²*a)Energy Efficiency ClassAType of CurrentAlternating currentRated Voltage230 VMains Frequency50 Hz / 60 HzPower Consumption according to DIN EN 13141-7 (A7)37 WStand-By Power Consumption< 1 WIMax1.5 AProtection ClassIP 40DIBt ApprovalyesPHI CertificationyesSPI Value0.22 Wh/m³Installation Locationstanding / wallSystem TypecentralHousing Materialgalvanised steel sheet, powder-coatedHeat Exchanger MaterialPlasticInner Lining MaterialPlastic EPPColourtraffic white (RAL 9016)Weight67 kgWeight with Packaging79.29 kgFilter ClassISO Coarse 85% (G4) / ISO ePM1 80% (F7)Connection Diameter160 mmConnection Diameter Condensate Drain1 1/2" (sieve valve)Width841 mmHeight857 mmDepth598 mmWidth with Packaging900 mmHeight with Packaging1,120 mmDepth with Packaging650 mmTransport Medium Temperature at IMax-20 °C to 40 °CMax. Heat Supply Efficiency according to DIN EN 13141-7 (A7)96 %Heat Exchanger TypeCross-counterflowExhaust Air PositionrightBypassyesPre-heating CoilnoEnthalpy Heat ExchangernoFrost Protection CircuityesSummer CircuitECO exhaust / ECO supplyFilter Monitoringtime-controlledHumidity ControlintegratedCO2 Control (optional)SKDAir Quality Control (optional)EAQ 10/3KNX Connectivity (optional)K-SMMODBUS InterfaceintegratedControl Unit IncludedRLS 1 WR, AppControl Unit (optional)RLS T2 WS, RLS G1 WSRadio Integration EnOcean (optional)E-SMMobile ControlyesSound Pressure Level Housing Radiation36 dB(A) / distance 1 m, sound absorption 10 m²

WR 310 room air system standard version up to 250 m2Features:Made in Germany quality, super quiet, protection class IP 40 for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldCentral unit with cross-counterflow heat exchanger and constant volume flow control. Left-hand version with G4 filter and F7 pollen filter. On/off switch. Controlled ventilation. Easy installation with the included wall bracket. RLS 1 WR room control included in the scope of delivery. Mobile operation via APP or browser-based web tool is possible. Various inputs and outputs enable connection to other building services devices. Tool-free filter replacement. With 4 air stages, filter change indicator, fault indicator. Attractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral white colour similar to RAL 9016, compatible with any office furnishing style Suitable for continuous operation. Very quiet and energy-efficient device.Description:Standard version: Device as left-hand version. Highly efficient ventilation unit achieves energy efficiency class A+ without optional accessories. Brief description: Standard version with cross-counterflow heat exchanger. Centralised, compact, very quiet domestic ventilation unit with heat recovery. For controlled ventilation and extraction. Particularly suitable for modern new builds and refurbishments. Eligible for KFW funding and entry in the TZWL bulletin (NRW funding programme). Wall-hung or upright installation (optional). ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air is possible to increase the filter service life. All appliances are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates in accordance with VDI 6022, Sheet 1. Complete separation of the extract air/supply air ducting throughout the entire appliance. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Room air control RLS 1 WR included in the scope of delivery. All domestic ventilation units can be controlled via APP (air@home) and the browser-based web tool (##########_1__-##########_2__) using the integrated LAN interface. Standard USB connection for commissioning, control updates and servicing. All devices are equipped with highly energy-efficient fans in EC technology. The integrated / automatic constant volume flow control ensures that the set volume flow is permanently maintained under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation as well as an intelligent frost protection and dehumidification strategy (overhumidification protection). All devices are characterised by a frost protection strategy that is adapted to actual requirements. In addition, all devices have a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables easy retrofitting (preheating, bypass) and high user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing. Colour: Traffic white RAL 9016, easy filter change without tools. Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 47 mm). EPP housing with very good hygienic / non-hygroscopic properties. Material tested by the Institute for Air Hygiene in accordance with VDI 6022. Condensate drip tray integrated in the EPP housing. Device surface and inner housing are easy to clean. Sound-insulating inner lining in the supply air duct. Condensate drainage via strainer valve 1 . Optional DN 40 device siphon (see accessories). Filter: ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. Optional filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air possible to increase filter service life. Tool-free filter replacement. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_1__-##########_2__) via smartphone, laptop or PC enables ##########_0__. Live report generation, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, optional RLS T1 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of heat recovery units possible, USB connection for service / commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_13__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Expandable via optional additional circuit board ZP 1 for controlling: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), an air damper of a zone control, switch contact use for external reheating coil, Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, Differential pressure-controlled filter monitoring, Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as z.B. heat pump. Approvals and certificates: DiBt approval. PHI certificate. Test report in accordance with DIN EN 13141-7. Certificate in accordance with Swiss energy _cluster.ch. Hygiene certificates for casing material (EPP) and heat exchanger. Entry in TZWL / TZWL bulletin. Heat exchanger/heat recovery: Highly efficient cross-counterflow heat exchanger made of plastic (PS). Heat recovery up to 96 %. Hygiene certificate (no bacteria, virus growth / virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. Frost protection: Prevention of heat exchanger freezing at low temperatures by switching off the supply air fan. Recommendation: Combine heat recovery with a brine heat exchanger. Fans: Forward curved centrifugal fans in the supply air or exhaust air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional additional board ZP 2. 4 ventilation levels from 80...320 m3/h (WR 310) or 80...470 m3/h (WR 410) continuously adjustable. Installation instructions: Easy, very time-saving installation with the wall bracket included in the scope of delivery. Housing cover can be easily removed using practical magnetic catches. Provide silencers on the supply and exhaust air sides. Note: All appliance variants (z.B. K) can be subsequently converted into other appliance variants (z.B. KRET) using optional components ##########_24__: WR 310, delivery volume: 80 m3/h - 320 m3/h, SEC average: -42.5 kWh/(m2*a), energy efficiency class: A+, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz / 60 Hz, SPI value according to DIN EN 13141-7 (A7): 0.18 Wh/m3, Power consumption according to DIN EN 13141-7 (A7): 37 W, Standby power consumption: < 1 W, IMax: 1.5 A, Protection rating: IP 40, DIBT approval: yes, PHI certification: yes, System type: centralised, Housing material: Galvanised sheet steel, powder-coated, Material heat exchanger: plastic, Material inner cladding: plastic EPP, Colour: traffic white (RAL 9016), Weight: 67 kg, Weight with packaging: 77 kg, Filter class: ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7), Connection diameter: 160 mm, Connection diameter condensate drain: 1 1/2 (strainer valve), Width: 841 mm, Height: 857 mm, Depth: 598 mm, Width with packaging: 900 mm, Height with packaging: 1120 mm, Depth with packaging: 650 mm, Conveying medium temperature at IMax: -20 °C to 40 °C, Max. Heat recovery efficiency according to DIN EN 13141-7 (A7): 96 %, Heat exchanger type: cross-counterflow, Bypass: no, Pre-heating coil: no, Enthalpy heat exchanger: no, Frost protection circuit: yes, Summer circuit: ECO exhaust air / ECO supply air, Filter monitoring: time-controlled, Humidity control: integrated, CO2 control: SKD, Air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T1 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 36 dB(A) / distance 1 m, Sound absorption 10 m2, DC motor: true, Max. Speed: 2750 1/min, Heat recovery rate: 96 %

WS 160 Flat ET room air system with enthalpy heat exchangerFeatures:Made in Germany quality, super quiet, protection class IP 00 for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldReady to use with on/off switch. Tool-free filter change. Additional control units can be connected in parallel. Mobile operation via APP or browser-based web tool is possible. Network connection is possible. Integrated over-humidity protection function and 3 temperature sensors. Various inputs and outputs enable connection to other building services devices. Easy installation thanks to direct screwing. Tool-free filter replacement possible. Exhaust air is on the right. M4 filter and F7 pollen filter. RLS 1 WR control panel included, 4 air stages, filter change indicator and fault indicator. Heat exchanger / heat recovery and frost protection. Attractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral granite grey similar to RAL 7026, compatible with any home furnishing style Suitable for continuous operation. Very quiet and energy-efficient device.Description:Standard version: Central unit with enthalpy heat exchanger. Can be extended via optional additional board ZP 1 to control, among other things, an air flap of a zone control system. Brief description: Intelligent ventilation unit with heat and moisture recovery for controlled ventilation and extraction with a flow rate of 40 to 160 m3/h. Two supply air spigots (left and right) and one exhaust air spigot (centre) allow the supply air ducts to be laid without crossing. Complete separation of the exhaust air/supply air ducting throughout the entire appliance. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Hygiene certificate according to VDI 6022, sheet 1 available. Compact and highly efficient - energy efficiency class A. Sound and energy-optimised fans in EC technology. KFW - eligible for subsidies: Particularly suitable for modern new builds or refurbishments. Installation options: suspended from the ceiling or in the sloping roof. No sensitivity to pressure fluctuations: The integrated / automatic constant volume flow control ensures that the set volume flow is maintained permanently under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. No adjustment of the volume flows is necessary. Very quiet device with extremely low installation height (23 cm): This makes it particularly suitable for installation in suspended ceilings. Also suitable for installation in sloping ceilings. Various operating modes: Off, Manual, Auto Sensor, ECO exhaust air, ECO supply air. Room air control RLS 1 WR included in the scope of delivery. ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 55 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 80 % / ISO ePM1 55 %) in the outside air is possible to increase the filter service life. The ventilation unit is equipped with a state-of-the-art enthalpy heat exchanger with a hygiene certificate in accordance with VDI 6022, Sheet 1. The WS 160 Flat can be controlled via APP (air@home) and the browser-based web tool (##########_2__-##########_3__) using the integrated LAN interface. Plug & Play: Easy commissioning thanks to free commissioning software and standard USB connection for commissioning, control updates and servicing. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation and an intelligent dehumidification strategy (overhumidification protection). The appliance is also characterised by a frost protection strategy that is adapted to actual requirements. The heat recovery unit has a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables a high level of user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing. Filter change easily possible without tools. Tight, thermal bridge-free and sound-insulated inner housing made of temperature-resistant, sound- and heat-insulating EPP material. EPP housing with very good hygienic/non-hygroscopic properties. Device surface and inner housing are easy to clean. Filter: ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 55 % (F7) pollen filter in the outside air. Tool-free filter change. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_2__-##########_3__) via smartphone, laptop or PC enables ##########_0__. Live report generation, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, optional RLS T1 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of the Trio LZ possible, USB connection for service/commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_12__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Expandable via optional additional circuit board ZP 1 for controlling: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), switch contact use for external reheating coil, Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, Differential pressure-controlled filter monitoring, Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as z.B. heat pump. Approvals and certificates: DiBt approval. PHI certificate. Test report in accordance with DIN EN 13141-7. Certificate in accordance with Swiss energy _cluster.ch. Hygiene certificates for casing material (EPP) and heat exchanger. Heat exchanger/heat recovery: Highly efficient enthalpy cross-counterflow heat exchanger. Heat recovery up to 84 % and humidity recovery up to 53 %. Hygiene certificate (no bacteria, virus growth/virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. No condensate connection necessary. Bypass: Eco mode: ECO supply air, ECO extract air for passive summer night cooling. Frost protection: Prevention of heat exchanger freezing at low temperatures by monitoring the exhaust air temperature. If there is a risk of frost, the fresh air volume flow is gradually reduced. Fans: Forward curved centrifugal fans in the exhaust air or outside air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional ZP 2 additional circuit board. 4 ventilation levels continuously adjustable from 40 m3 to 160 m3/h. Installation instructions: Easy, very time-saving installation by screwing the device directly to the ceiling / wall. Housing cover can be easily removed via ##########_21__: WS 160 Flat ET, Version: Standard version, Number of ventilation levels: 4, Delivery volume: 40 m3/h - 160 m3/h, Constant volume flow: yes, SEC average: -34.6 kWh/(m2*a), Energy efficiency class: A, Voltage type: AC, Rated voltage: 230 V, Mains frequency: 50 Hz / 60 Hz, SPI value according to DIN EN 13141-7 (A7): 0.32 Wh/m3, Power consumption according to DIN EN 13141-7 (A7): 36 W, Stand-by power consumption: < 1 W, IMax: 1.1 A, Protection rating: IP 00, DIBT approval: yes, PHI certification: yes, Installation location: bathroom / kitchen / cellar / attic / utility room / boiler room / hallway, System type: Central, Housing material: plastic EPP / sheet steel, Heat exchanger material: plastic, Internal cladding material: plastic EPP, Colour: black / traffic white, Weight: 26.518 kg, Weight with packaging: 31.73 kg, Filter class: ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7), Connection diameter: 125 mm / 160 mm, Connection diameter condensate drain: not required, Width: 1260 mm, Height: 230 mm, Depth: 582 mm, Width with packaging: 1385 mm, Height with packaging: 280 mm, Depth with packaging: 730 mm, Conveying medium temperature at IMax: -20 °C to 50 °C, Heat recovery efficiency: 84 %, Max. Heat recovery efficiency to DIN EN 13141-7 (A7): 76 %, Heat exchanger type: Enthalpy cross-counterflow, Humidity recovery with enthalpy heat exchanger to DIN EN 13141-7 (A2): 53 %, Bypass: no, Preheating coil: no, Zone damper: no, enthalpy heat exchanger: yes, frost protection circuit: yes, summer circuit: ECO extract air / ECO supply air, filter monitoring: time-controlled (optionally via differential pressure), humidity control: integrated, CO2 control: SKD, air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T2 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 37 dB(A) / distance 1 m, Sound absorption 10 m2, Approval number: Z-51.4-376, Max. Speed: 3300 1/min

WS 320 KR - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control, including pre-heating coil and cross-counterflow heat exchanger, supply and extract air on the right, volume flow 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors required for connection to spiral ducting, including control unit RLS 1 WR, MAICO app for mobile device control, DIBt approval, Passive House certificate, KNX, Modbus, Loxone and EnOcean connectivity possibleWS 320 KR - Product DescriptionComfort VersionWith pre-heating coil and cross-counterflow heat exchanger.Unit in right-hand version.Highly efficient ventilation unit achieves energy efficiency class A+ without optional accessories.Brief DescriptionCentral compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust ventilation.Especially suitable for modern new builds and renovations.KfW funding eligibility and NRW funding available.Wall-mounted or standing installation (optional).ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air is possible to extend filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of extract and supply air paths throughout the unit. This prevents unwanted recirculation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included in delivery.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control updates and service.All units are equipped with highly energy-efficient EC technology fans.Integrated/automatic constant volume flow control ensures permanent adherence to the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also simplifies commissioning/air volume measurement at the valves.Standard integrated combined sensor (humidity/temperature) in the extract air enables demand-controlled ventilation operation as well as an intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to actual demand.Additionally, all units have a multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operating and fault indication, pre- or post-heating coil, external flaps or cooling.2 input contacts (12 V and 230 V) are available for safety shutdowns, for example.Various inputs/outputs allow control connection to other building services equipment, e.g. heat pump.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.Optional plug-in module K-SM enables integration into KNX building systems.Optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for extended functions such as “pressure constant control” of EC fans, zone damper, brine ground heat exchanger (regulated pump), filter differential pressure measurement.Maximum unit flexibility through various equipment/connection options.Modern modular unit technology allows easy retrofitting (e.g. preheating, bypass) as well as high user-friendliness for service and maintenance.FeaturesHousingPowder-coated steel sheet housing.Colour: Traffic white, similar to RAL 9016.Filter change possible without tools.Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 47 mm).EPP housing with very good hygienic / non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in EPP housing.Unit surface and inner housing easy to clean.Sound-absorbing inner lining in the supply air duct.Condensate drain via 1 ½“ sieve valve.Optional unit siphon DN 40 (see accessories).FiltersISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air.Optional filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air possible to extend filter service life.Tool-free filter change.OperationReady to operate with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile control via app (Maico@home)Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO operation supply air or ECO operation extract airFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO Extract / ECO Supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO extract airFilter change and fault indicatorUSB connection for service / commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the “EnOcean world” www.enocean-alliance.org.ControlStandard demand-controlled volume flow control (“relevant humidity value”).Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outside, extract and supply air.1 combined sensor (temperature and humidity) in the extract air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operating and fault indication, pre- or post-heating coil, external flaps or cooling.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional push-button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for controlling:3-way flap (e.g. air ground heat exchanger)a regulated pump (e.g. brine ground heat exchanger)an air flap of a zone controlswitch contact use for external post-heating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with another building services device such as a heat pump.Approvals and CertificatesDIBt approval.PH certification: all WS 320 left-hand versions.Test report according to DIN EN 13141-7.Certificate according to Swiss “energie-cluster.ch”.Hygiene certificates for housing material (EPP) and heat exchangers.Entry in TZWL bulletin.Heat Exchanger/Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 96 %.Moisture recovery up to 68 % (with ET units).Hygiene certificate (no bacteria, virus growth / virus transmission) according to VDI 6022, Sheet 1.Heat exchanger cleanable with water, antimicrobial.Units with enthalpy heat exchangers do not require a condensate connection.BypassIncluded in the "B" unit variants.Modulating, automatic 100 % bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Frost ProtectionPrevention of heat exchanger freezing at low temperatures.Highly energy-efficient frost protection function in “K” unit versions via demand-controlled, power-modulated electric PTC pre-heating coil.In “non-K” unit versions by switching off the supply air fan.Recommendation: For “non-K” unit versions, combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in supply and extract air.Energy-efficient EC DC motors with integrated constant volume flow control.Possibility of pressure constancy control via optional additional circuit board ZP 2.4 ventilation levels from 80 m³/h to 320 m³/h continuously adjustable.Installation NotesEasy, very time-saving installation with the wall bracket included in the delivery.Housing cover easily removable via practical magnetic fasteners.Sound attenuators should be provided on supply and extract air sides.Note: All unit variants (e.g. “K”) can be retrofitted to other unit variants (e.g. “KRET”) later by optional components.Installation / Operation / Maintenance Wiring DiagramsInstallation and operating instructions: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | online ArticleWS 320 KRVolume flow80 m³/h - 320 m³/hSEC average-41.6 kWh/(m²*a)Energy efficiency classAType of currentAlternating currentRated voltage230 VMains frequency50 Hz / 60 HzPower consumption according to DIN EN 13141-7 (A7)37 WStand-by power consumption< 1 WIMax11 AProtection classIP 40DIBt approvalyesPHI certificationyesSPI value0.22 Wh/m³Installation locationstanding / wallSystem typecentralHousing materialgalvanised steel sheet, powder-coatedHeat exchanger materialPlasticInner lining materialPlastic EPPColourtraffic white (RAL 9016)Weight67 kgWeight with packaging79.19 kgFilter classISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)Connection diameter160 mmConnection diameter condensate drain1 1/2" (sieve valve)Width841 mmHeight857 mmDepth598 mmWidth with packaging900 mmHeight with packaging1,120 mmDepth with packaging650 mmTransport medium temperature at IMax-20 °C to 40 °CMax. heat recovery rate according to DIN EN 13141-7 (A7)96 %Heat exchanger typeCross-counterflowPre-heating coil power1.8 kWExtract air positionrightBypassnoPre-heating coilintegratedEnthalpy heat exchangernoFrost protection circuityesSummer circuitECO extract air / ECO supply airFilter monitoringtime-controlledHumidity controlintegratedCO2 control (optional)SKDAir quality control (optional)EAQ 10/3KNX connection (optional)K-SMMODBUS interfaceintegratedControl unit includedRLS 1 WR, appControl unit (optional)RLS T2 WS, RLS G1 WSRadio integration EnOcean (optional)E-SMMobile controlyesSound pressure level housing radiation36 dB(A) / distance 1 m, sound absorption 10 m²

WS 160 Flat KBET room air system with bypass, preheating coil and extract air pipeFeatures:Made in Germany quality, super quiet, protection class IP 00 for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against damp, unpleasant odours and mouldReady to use with on/off switch. Tool-free filter change. Additional control units can be connected in parallel. Mobile operation via APP or browser-based web tool is possible. Network connection is possible. Integrated over-humidity protection function and 3 temperature sensors. Various inputs and outputs enable connection to other building services devices. Easy installation thanks to direct screwing. Tool-free filter replacement possible. Exhaust air is on the right. G4 filter and F7 pollen filter. RLS 1 WR control panel included, 4 air stages, filter change indicator and fault indicator. Integrated bypass, enthalpy heat exchanger and preheating coil. 2 supply air spigots (right and left) and one exhaust air spigot (centre). Integrated over-humidity protection function.Attractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral granite grey similar to RAL 7026, compatible with any home furnishing style Suitable for continuous operation. Very quiet and energy-efficient device.Description:Comfort bypass design: Central unit with enthalpy heat exchanger, integrated bypass and preheating coil. This means that the room air is optimally cooled at high outside temperatures and comfortably preheated at low outside temperatures. Can be extended via optional additional board ZP 1 to control, among other things, an air damper of a zone control system. Brief description: Intelligent ventilation unit with heat and moisture recovery for controlled ventilation and extraction with a flow rate of 40 to 160 m3/h. Two supply air spigots (left and right) and one exhaust air spigot (centre) allow the supply air ducts to be laid without crossing. Complete separation of the exhaust air/supply air ducting throughout the entire appliance. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Hygiene certificate according to VDI 6022, sheet 1 available. Compact and highly efficient - energy efficiency class A. Sound and energy-optimised fans in EC technology. KFW - eligible for subsidies: Particularly suitable for modern new builds or refurbishments. Installation options: suspended from the ceiling or in the sloping roof. No sensitivity to pressure fluctuations: The integrated / automatic constant volume flow control ensures that the set volume flow is maintained permanently under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. No adjustment of the volume flows is necessary. Very quiet device with extremely low installation height (23 cm): This makes it particularly suitable for installation in suspended ceilings. Also suitable for installation in sloping ceilings. Various operating modes: Off, Manual, Auto Sensor, ECO exhaust air, ECO supply air. Room air control RLS 1 WR included in the scope of delivery. ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 55 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 80 % / ISO ePM1 55 %) in the outside air is possible to increase the filter service life. The ventilation unit is equipped with a state-of-the-art enthalpy heat exchanger with a hygiene certificate in accordance with VDI 6022, Sheet 1. The WS 160 Flat can be controlled via APP (air@home) and the browser-based web tool (##########_2__-##########_3__) using the integrated LAN interface. Plug & Play: Easy commissioning thanks to free commissioning software and standard USB connection for commissioning, control updates and servicing. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation and an intelligent dehumidification strategy (overhumidification protection). The appliance is also characterised by a frost protection strategy that is adapted to actual requirements. The heat recovery unit has a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables a high level of user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing. Filter change easily possible without tools. Tight, thermal bridge-free and sound-insulated inner housing made of temperature-resistant, sound- and heat-insulating EPP material. EPP housing with very good hygienic/non-hygroscopic properties. Device surface and inner housing are easy to clean. Filter: ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 55 % (F7) pollen filter in the outside air. Tool-free filter change. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_2__-##########_3__) via smartphone, laptop or PC enables ##########_0__. Live reporting, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, optional RLS T1 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of the Trio LZ possible, USB connection for service/commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_12__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Expandable via optional additional circuit board ZP 1 for controlling: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), switch contact use for external reheating coil, Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, Differential pressure-controlled filter monitoring, Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as z.B. heat pump. Approvals and certificates: DiBt approval. PHI certificate. Test report in accordance with DIN EN 13141-7. Certificate in accordance with Swiss energy _cluster.ch. Hygiene certificates for casing material (EPP) and heat exchanger. Heat exchanger/heat recovery: Highly efficient enthalpy cross-counterflow heat exchanger. Heat recovery up to 84 % and humidity recovery up to 53 %. Hygiene certificate (no bacteria, virus growth/virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. No condensate connection necessary. Bypass: The integrated bypass damper (100 % bypass) with demand-orientated bypass control enables infinitely variable bypass control. Depending on temperature differences and user settings, the room air is optimally cooled without draughts occurring. Frost protection: The power-controlled electric preheating coil is regulated depending on various variables recorded in the appliance. The result is an efficient and energy-saving control strategy. This means that ventilation with the heating coil does not suffer any loss of comfort even at low outside air temperatures. Fans: Forward curved centrifugal fans in the exhaust air or outside air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional ZP 2 additional circuit board. 4 ventilation levels continuously adjustable from 40 m3 to 160 m3/h. Installation instructions: Easy, very time-saving installation by screwing the device directly to the ceiling / wall. Housing cover can be easily removed via ##########_21__: WS 160 Flat KBET, Design: Comfort bypass design, Number of ventilation stages: 4, Delivery volume: 40 m3/h - 160 m3/h, Constant volume flow: yes, SEC average: -34.6 kWh/(m2*a), Energy efficiency class: A, Voltage type: Alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz / 60 Hz, SPI value to DIN EN 13141-7 (A7): 0.32 Wh/m3, Power consumption to DIN EN 13141-7 (A7): 36 W, Standby power consumption: < 1 W, IMax: 4.6 A, Protection rating: IP 00, DIBT approval: yes, PHI certification: yes, Installation location: bathroom / kitchen / basement / attic / utility room / boiler room / hallway, System type: Central, Housing material: plastic EPP / sheet steel, Heat exchanger material: plastic, Internal cladding material: plastic EPP, Colour: black / traffic white, Weight: 26.518 kg, Weight with packaging: 31.73 kg, Filter class: ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7), Connection diameter: 125 mm / 160 mm, Condensate drain connection diameter: not required, Width: 582 mm, Height: 230 mm, Depth: 1260 mm, Width with packaging: 710 mm, Height with packaging: 245 mm, Depth with packaging: 1365 mm, Conveying medium temperature at IMax: -20 °C to 50 °C, Heat recovery efficiency: 84 %, Max. Heat recovery efficiency to DIN EN 13141-7 (A7): 76 %, Heat exchanger type: enthalpy cross-counterflow, Humidity recovery with enthalpy heat exchanger to DIN EN 13141-7 (A2): 53 %, Pre-heater coil output: 0.7 kW, Bypass: yes, Pre-heater coil: integrated, Zone damper: no, enthalpy heat exchanger: yes, frost protection circuit: yes, summer circuit: ECO extract air / ECO supply air, filter monitoring: time-controlled (optionally via differential pressure), humidity control: integrated, CO2 control: SKD, air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T2 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 37 dB(A) / distance 1 m, Sound absorption 10 m2, Approval number: Z-51.4-376, Max. Speed: 3300 1/min

WS 300 Flat R room air system standard right-hand versionFeatures:Made in Germany quality, super quiet, IP 00 protection rating for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldCentral unit with two enthalpy heat exchangers, supply and extract air on the right with G4 filter and F7 pollen filter. On/off switch. Controlled ventilation and extraction. Easy installation with the included wall bracket. RLS 1 WR room control included in the scope of delivery. Mobile operation via APP or browser-based web tool is possible. Various inputs and outputs enable connection to other building services devices. Tool-free filter replacement. With 4 air stages, filter change indicator, fault indicator. Integrated overhumidification protection functionAttractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral white similar to RAL 9016 and black, compatible with any office furnishing styleSuitable for continuous operation. Very quiet and energy-efficient device.Description:Standard version right: Central unit with two enthalpy heat exchangers. Supply and exhaust air on the right (in ceiling installation position, view of the electronics compartment). Brief description: Intelligent ventilation unit with heat and moisture recovery for controlled ventilation and extraction with a flow rate of 80 to 300 m3/h. Complete separation of the exhaust air / supply air ducting throughout the entire unit. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Hygiene certificate according to VDI 6022, sheet 1 available. Compact and highly efficient - energy efficiency class A. Sound and energy-optimised fans in EC technology. KFW - eligible for funding and entry in the TZWL bulletin (NRW funding programme) is available. High volume flow with extremely low installation height of 30 cm and quiet operation. Installation options: Flexible on the ceiling, wall or in the sloping roof. No sensitivity to pressure fluctuations: The integrated/automatic constant volume flow control ensures that the set volume flow is maintained permanently under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. No adjustment of the volume flows is necessary. Various operating modes: Off, Manual, Auto Sensor, ECO exhaust air, ECO supply air. Room air control RLS 1 WR included in the scope of delivery. ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 60 % (F7) pollen filter in the outside air. The ventilation unit is equipped with two state-of-the-art enthalpy heat exchangers with a hygiene certificate in accordance with VDI 6022, Sheet 1. The WS 300 Flat can be controlled via APP (air@home) and the browser-based web tool (##########_2__-##########_3__) using the integrated LAN interface. Plug & Play: Simple commissioning thanks to free commissioning software and standard USB connection for commissioning, control updates and servicing. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation and an intelligent dehumidification strategy (overhumidification protection). The appliance is also characterised by a frost protection strategy that is adapted to actual requirements. The heat recovery unit has a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables a high level of user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing, colour: Traffic white, similar to RAL 9016. Filter can be changed easily without tools. Tight, thermal bridge-free and sound-insulated inner housing made of temperature-resistant, sound- and heat-insulating EPP material. EPP housing with very good hygienic/non-hygroscopic properties, appliance surface and inner housing are easy to clean. Filter: ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 60 % (F7) pollen filter in the outside air. Tool-free filter change. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_2__-##########_3__) via smartphone, laptop or PC enables ##########_0__. Live reporting, user management, demand-controlled automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages. Optional RLS T2 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of the Trio LZ possible. USB connection for service/commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_12__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Can be extended via optional additional circuit board ZP 1 to control: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), an air damper of a zone control, switch contact use for external reheating coil. Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, differential pressure-controlled filter monitoring. Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as z.B. heat pump. Approvals and certificates: DiBt approval. Test report in accordance with DIN EN 13141-7. Hygiene certificates for casing material (EPP) and heat exchanger. Heat exchanger/heat recovery: Two highly efficient enthalpy cross-counterflow heat exchangers. Heat recovery up to 91 % and humidity recovery up to 82 %. Hygiene certificate (no bacteria, virus growth/virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. No condensate connection necessary. Bypass: Eco mode: ECO supply air, ECO extract air for passive summer night cooling. Frost protection: Prevention of heat exchanger freezing at low temperatures by monitoring the exhaust air temperature. If there is a risk of frost, the fresh air volume flow is gradually reduced. Fans: Forward curved centrifugal fans in the exhaust air or supply air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional additional board ZP 2 . 4 ventilation levels from 80 m3/ to 300 m3/h continuously adjustable. Installation instructions: Easy, very time-saving installation by screwing the device directly to the ceiling / wall. Housing cover can be easily removed via ##########_20__: WS 300 Flat R, Version: Standard version right, Delivery volume: 80 m3/h - 300 m3/h, SEC average: -39.47 kWh/(m2*a), Energy efficiency class: A, Voltage type: AC, Rated voltage: 230 V, Mains frequency: 50 Hz / 60 Hz, Power consumption according to DIN EN 13141-7 (A7): 39 W, Stand-by power consumption: < 1 W, IMax: 1.5 A, Protection rating: IP 00, DIBT approval: yes, PHI certification: no, System type: centralised, Housing material: Plastic EPP / sheet steel, Material heat exchanger: plastic, Material inner cladding: plastic EPP, Colour: black / traffic white, Weight: 42 kg, Weight with packaging: 46.631 kg, Filter class: ISO Coarse 80 % (G4) / ISO ePM1 60 % (F7), Connection diameter: 160 mm, Width: 700 mm, Height: 300 mm, Depth: 1500 mm, Width with packaging: 750 mm, Height with packaging: 305 mm, Depth with packaging: 1530 mm, Fluid temperature at IMax: -20 °C to 50 °C, Max. Heat recovery efficiency according to DIN EN 13141-7 (A7): 91 %, Heat exchanger type: enthalpy cross-counterflow, Bypass: no, Preheating coil: no, Enthalpy heat exchanger: yes, Frost protection circuit: yes, Summer circuit: ECO exhaust air / ECO supply air, Filter monitoring: time-controlled (optionally via differential pressure), Humidity control: integrated, CO2 control: SKD, Air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T2 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 37 dB(A) / distance 1 m, Sound absorption 10 m2, Max. Max. speed: 2750 1/min, Heat recovery efficiency: 91 %

WS 320 KBR room air system bypass, heating coil, supply/extract air rightFeatures:Made in Germany quality, super quiet, protection class IP 40 for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldCentral unit Cross-counterflow heat exchanger, constant volume flow control incl. preheating coil and bypass. Right-hand version with G4 filter and F7 pollen filter. On/off switch. Controlled ventilation. Easy installation with the included wall bracket. RLS 1 WR room control included in the scope of delivery. Mobile operation via APP or browser-based web tool is possible. Various inputs and outputs enable connection to other building services devices. Tool-free filter replacement. With 4 air stages, filter change indicator, fault indicator. Attractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral white colour similar to RAL 9016, compatible with any office furnishing style Suitable for continuous operation. Very quiet and energy-efficient device.Description:Comfort bypass version: With preheating coil, bypass and cross-counterflow heat exchanger. Device as right-hand version. Highly efficient ventilation unit achieves energy efficiency class A+ without optional accessories. Modulating, automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit. Brief description: Centralised, compact, very quiet domestic ventilation unit with heat recovery. For controlled ventilation and extraction. Particularly suitable for modern new builds and refurbishments. Eligible for KFW funding and entry in the TZWL bulletin (NRW funding programme). Wall-hung or upright installation (optional). ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air is possible to increase the filter service life. All appliances are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates in accordance with VDI 6022, Sheet 1. Complete separation of the extract air/supply air ducting throughout the entire appliance. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Room air control RLS 1 WR included in the scope of delivery. All domestic ventilation units can be controlled via APP (air@home) and the browser-based web tool (##########_1__-##########_2__) using the integrated LAN interface. Standard USB connection for commissioning, control updates and servicing. All devices are equipped with highly energy-efficient fans in EC technology. The integrated / automatic constant volume flow control ensures that the set volume flow is permanently maintained under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation as well as an intelligent frost protection and dehumidification strategy (overhumidification protection). All devices are characterised by a frost protection strategy that is adapted to actual requirements. In addition, all devices have a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables easy retrofitting (preheating, bypass) and high user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing. Colour: Traffic white RAL 9016, easy filter change without tools. Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 47 mm). EPP housing with very good hygienic / non-hygroscopic properties. Material tested by the Institute for Air Hygiene in accordance with VDI 6022. Condensate drip tray integrated in the EPP housing. Device surface and inner housing are easy to clean. Sound-insulating inner lining in the supply air duct. Condensate drainage via strainer valve 1 . Optional DN 40 device siphon (see accessories). Filter: ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. Optional filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air possible to increase filter service life. Tool-free filter replacement. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_1__-##########_2__) via smartphone, laptop or PC enables ##########_0__. Live reporting, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, optional RLS T1 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of heat recovery units possible, USB connection for service / commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_13__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Expandable via optional additional circuit board ZP 1 for controlling: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), an air damper of a zone control, switch contact use for external reheating coil, Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, Differential pressure-controlled filter monitoring, Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as a heat pump. heat pump. Approvals and certificates: DiBt approval. PHI certificate. Test report in accordance with DIN EN 13141-7. Certificate in accordance with Swiss energy _cluster.ch. Hygiene certificates for casing material (EPP) and heat exchanger. Entry in TZWL / TZWL bulletin. Heat exchanger/heat recovery: Highly efficient cross-counterflow heat exchanger made of plastic (PS). Heat recovery up to 96 % and humidity recovery up to 68 %. Hygiene certificate (no bacteria, virus growth / virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. Appliances with enthalpy heat exchangers do not require a condensate connection. Bypass: Included in the B appliance variants. Modulating, automatic 100 % bypass for passive summer night cooling with adjustable minimum supply air temperature limit. Frost protection: Prevents the heat exchanger from freezing at low temperatures. Highly energy-efficient frost protection function for K appliance versions via demand-controlled, power-modulated electric PTC preheating coil. For non-K appliance versions via supply air fan switch-off. Recommendation: Combine heat recovery with a brine heat exchanger for non-K appliance versions. Fans: Forward curved centrifugal fans in the supply air or exhaust air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional ZP 2 additional circuit board. 4 ventilation levels continuously adjustable from 80 m3/h to 320 m3/h. Installation instructions: Easy, very time-saving installation with the wall bracket included in the scope of delivery. Housing cover can be easily removed using practical magnetic catches. Provide silencers on the supply and exhaust air sides. Note: All appliance variants (z.B. K) can be subsequently converted into other appliance variants (z.B. KRET) using optional components ##########_24__: WS 320 KBR, delivery volume: 80 m3/h - 320 m3/h, SEC average: -42.5 kWh/(m2*a), energy efficiency class: A+, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz / 60 Hz, SPI value according to DIN EN 13141-7 (A7): 0.18 Wh/m3, Power consumption according to DIN EN 13141-7 (A7): 37 W, Stand-by power consumption: < 1 W, IMax: 11 A, Protection rating: IP 40, DIBT approval: applied for, PHI certification: yes, System type: centralised, Housing material: Galvanised sheet steel, powder-coated, Material heat exchanger: plastic, Material inner cladding: plastic EPP, Colour: traffic white (RAL 9016), Weight: 67 kg, Weight with packaging: 79.188 kg, Filter class: ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7), Connection diameter: 160 mm, Connection diameter condensate drain: 1 1/2 (strainer valve), Width: 841 mm, Height: 857 mm, Depth: 598 mm, Width with packaging: 900 mm, Height with packaging: 1120 mm, Depth with packaging: 650 mm, Conveying medium temperature at IMax: -20 °C to 40 °C, Max. Heat recovery efficiency according to DIN EN 13141-7 (A7): 96 %, Heat exchanger type: cross-counterflow, Pre-heating coil output: 1.8 kW, Bypass: yes, Pre-heating coil: integrated, Enthalpy heat exchanger: no, Frost protection circuit: yes, Summer circuit: ECO exhaust air / ECO supply air, Filter monitoring: time-controlled, Humidity control: integrated, CO2 control: SKD, Air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T2 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 36 dB(A) / distance 1 m, Sound absorption 10 m2, DC motor: true, Max. Speed: 2750 1/min, Heat recovery rate: 96 %

WS 320 KB room air system with bypass + heating coil, up to 250 m2Features:Made in Germany quality, super quiet, protection class IP 40 for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldCentral unit Cross-counterflow heat exchanger, constant volume flow control incl. preheating coil and bypass. Left-hand version with G4 filter and F7 pollen filter. On/off switch. Controlled ventilation. Easy installation with the included wall bracket. RLS 1 WR room control included in the scope of delivery. Mobile operation via APP or browser-based web tool is possible. Various inputs and outputs enable connection to other building services devices. Tool-free filter replacement. With 4 air stages, filter change indicator, fault indicator. Attractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral white colour similar to RAL 9016, compatible with any office furnishing style Suitable for continuous operation. Very quiet and energy-efficient device.Description:Comfort bypass version: With preheating coil, bypass and cross-counterflow heat exchanger. Device as left-hand version. Highly efficient ventilation unit achieves energy efficiency class A+ without optional accessories. Modulating, automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit. Brief description: Centralised, compact, very quiet domestic ventilation unit with heat recovery. For controlled ventilation and extraction. Particularly suitable for modern new builds and refurbishments. Eligible for KFW funding and entry in the TZWL bulletin (NRW funding programme). Wall-hung or upright installation (optional). ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air is possible to increase the filter service life. All appliances are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates in accordance with VDI 6022, Sheet 1. Complete separation of the extract air/supply air ducting throughout the entire appliance. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Room air control RLS 1 WR included in the scope of delivery. All domestic ventilation units can be controlled via APP (air@home) and the browser-based web tool (##########_1__-##########_2__) using the integrated LAN interface. Standard USB connection for commissioning, control updates and servicing. All devices are equipped with highly energy-efficient fans in EC technology. The integrated / automatic constant volume flow control ensures that the set volume flow is permanently maintained under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation as well as an intelligent frost protection and dehumidification strategy (overhumidification protection). All devices are characterised by a frost protection strategy that is adapted to actual requirements. In addition, all devices have a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables easy retrofitting (preheating, bypass) and high user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing. Colour: Traffic white RAL 9016, easy filter change without tools. Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 47 mm). EPP housing with very good hygienic / non-hygroscopic properties. Material tested by the Institute for Air Hygiene in accordance with VDI 6022. Condensate drip tray integrated in the EPP housing. Device surface and inner housing are easy to clean. Sound-insulating inner lining in the supply air duct. Condensate drainage via strainer valve 1 . Optional DN 40 device siphon (see accessories). Filter: ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. Optional filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air possible to increase filter service life. Tool-free filter replacement. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_1__-##########_2__) via smartphone, laptop or PC enables ##########_0__. Live report generation, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, optional RLS T1 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of heat recovery units possible, USB connection for service / commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_13__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Expandable via optional additional circuit board ZP 1 for controlling: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), an air damper of a zone control, switch contact use for external reheating coil, Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, Differential pressure-controlled filter monitoring, Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as a heat pump. heat pump. Approvals and certificates: DiBt approval. PHI certificate. Test report in accordance with DIN EN 13141-7. Certificate in accordance with Swiss energy _cluster.ch. Hygiene certificates for casing material (EPP) and heat exchanger. Entry in TZWL / TZWL bulletin. Heat exchanger/heat recovery: Highly efficient cross-counterflow heat exchanger made of plastic (PS). Heat recovery up to 96 % and humidity recovery up to 68 %. Hygiene certificate (no bacteria, virus growth / virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. Appliances with enthalpy heat exchangers do not require a condensate connection. Bypass: Included in the B appliance variants. Modulating, automatic 100 % bypass for passive summer night cooling with adjustable minimum supply air temperature limit. Frost protection: Prevents the heat exchanger from freezing at low temperatures. Highly energy-efficient frost protection function for K appliance versions via demand-controlled, power-modulated electric PTC preheating coil. For non-K appliance versions via supply air fan switch-off. Recommendation: Combine heat recovery with a brine heat exchanger for non-K appliance versions. Fans: Forward curved centrifugal fans in the supply air or exhaust air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional ZP 2 additional circuit board. 4 ventilation levels continuously adjustable from 80 m3/h to 320 m3/h. Installation instructions: Easy, very time-saving installation with the wall bracket included in the scope of delivery. Housing cover can be easily removed using practical magnetic catches. Provide silencers on the supply and exhaust air sides. Note: All appliance variants (z.B. K) can be subsequently converted into other appliance variants (z.B. KRET) using optional components ##########_24__: WS 320 KB, delivery volume: 80 m3/h - 320 m3/h, SEC average: -42.5 kWh/(m2*a), energy efficiency class: A+, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz / 60 Hz, SPI value according to DIN EN 13141-7 (A7): 0.18 Wh/m3, Power consumption according to DIN EN 13141-7 (A7): 37 W, Standby power consumption: < 1 W, IMax: 11 A, Protection rating: IP 40, DIBT approval: yes, PHI certification: yes, System type: central, Housing material: Galvanised sheet steel, powder-coated, Material heat exchanger: plastic, Material inner cladding: plastic EPP, Colour: traffic white (RAL 9016), Weight: 67 kg, Weight with packaging: 79.188 kg, Filter class: ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7), Connection diameter: 160 mm, Connection diameter condensate drain: 1 1/2 (sieve valve), Width: 841 mm, Height: 857 mm, Depth: 598 mm, Width with packaging: 900 mm, Height with packaging: 1120 mm, Depth with packaging: 650 mm, Conveying medium temperature at IMax: -20 °C to 40 °C, Max. Heat recovery efficiency according to DIN EN 13141-7 (A7): 96 %, Heat exchanger type: cross-counterflow, Pre-heater coil output: 1.8 kW, Bypass: yes, Pre-heater coil: integrated, Enthalpy heat exchanger: no, Frost protection circuit: yes, Summer circuit: ECO exhaust air / ECO supply air, Filter monitoring: time-controlled, Humidity control: integrated, CO2 control: SKD, Air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T2 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 36 dB(A) / distance 1 m, Sound absorption 10 m2, DC motor: true, Max. Max. speed: 2750 1/min, Heat recovery rate: 96 %

WS 300 Flat BL room air system standard left-hand version with bypassFeatures:Made in Germany quality, super quiet, protection class IP 00 for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldCentral unit with two enthalpy cross-counterflow exchangers, constant volume flow control incl. bypass. Supply and exhaust air on the left with G4 filter and F7 pollen filter. On/off switch. Controlled ventilation. Easy installation with the included wall bracket. RLS 1 WR room control included in the scope of delivery. Mobile operation via APP or browser-based web tool is possible. Various inputs and outputs enable connection to other building services devices. Tool-free filter replacement. With 4 air stages, filter change indicator, fault indicator. Integrated overhumidification protection functionAttractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral white similar to RAL 9016 and black, compatible with any office furnishing style Suitable for continuous operation. Very quiet and energy-efficient device.Description:Bypass version left: Central unit with two enthalpy heat exchangers and integrated bypass, which is controlled continuously as required. Depending on the temperature difference and user settings, the room air is optimally cooled without draughts occurring. Supply and exhaust air on the left (in ceiling installation position, view of the electronics compartment). Brief description: Intelligent ventilation unit with heat and moisture recovery for controlled ventilation with a flow rate of 80 to 300 m3/h. Complete separation of the exhaust air / supply air ducting throughout the entire unit. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Hygiene certificate according to VDI 6022, sheet 1 available. Compact and highly efficient - energy efficiency class A. Sound and energy-optimised fans in EC technology. KFW - eligible for funding and entry in the TZWL bulletin (NRW funding programme) is available. High volume flow with extremely low installation height of 30 cm and quiet operation. Installation options: Flexible on the ceiling, wall or in the sloping roof. No sensitivity to pressure fluctuations: The integrated/automatic constant volume flow control ensures that the set volume flow is maintained at all times under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. No adjustment of the volume flows is necessary. Various operating modes: Off, Manual, Auto Sensor, ECO exhaust air, ECO supply air. Room air control RLS 1 WR included in the scope of delivery. ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 60 % (F7) pollen filter in the outside air. The ventilation unit is equipped with two state-of-the-art enthalpy heat exchangers with a hygiene certificate in accordance with VDI 6022, Sheet 1. The WS 300 Flat can be controlled via APP (air@home) and the browser-based web tool (##########_2__-##########_3__) using the integrated LAN interface. Plug & Play: Easy commissioning thanks to free commissioning software and standard USB connection for commissioning, control updates and servicing. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation and an intelligent dehumidification strategy (overhumidification protection). The appliance is also characterised by a frost protection strategy that is adapted to actual requirements. The heat recovery unit has a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables a high level of user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing, colour: Traffic white, similar to RAL 9016. Filter can be changed easily without tools. Tight, thermal bridge-free and sound-insulated inner housing made of temperature-resistant, sound- and heat-insulating EPP material. EPP housing with very good hygienic/non-hygroscopic properties, appliance surface and inner housing are easy to clean. Filter: ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 60 % (F7) pollen filter in the outside air. Tool-free filter change. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_2__-##########_3__) via smartphone, laptop or PC enables ##########_0__. Live reporting, user management, demand-controlled automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages. Optional RLS T2 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of the Trio LZ possible. USB connection for service/commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_12__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Can be extended via optional additional circuit board ZP 1 to control: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), an air damper of a zone control, switch contact use for external reheating coil. Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, differential pressure-controlled filter monitoring. Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as z.B. heat pump. Approvals and certificates: DiBt approval. Test report in accordance with DIN EN 13141-7. Hygiene certificates for casing material (EPP) and heat exchanger. Heat exchanger/heat recovery: Two highly efficient enthalpy cross-counterflow heat exchangers. Heat recovery up to 91 % and humidity recovery up to 82 %. Hygiene certificate (no bacteria, virus growth/virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. No condensate connection necessary. Bypass: The integrated bypass damper with demand-orientated bypass control enables infinitely variable bypass control. Depending on temperature differences and user settings, the room air is optimally cooled without draughts occurring. Frost protection: Prevents the heat exchanger from freezing at low temperatures by monitoring the exhaust air temperature. If there is a risk of frost, the outside air volume flow is gradually reduced. Fans: Forward curved centrifugal fans in the exhaust air or supply air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional additional board ZP 2 . 4 ventilation levels from 80 m3/ to 300 m3/h continuously adjustable. Installation instructions: Easy, very time-saving installation by screwing the device directly to the ceiling / wall. Housing cover can be easily removed via ##########_20__: WS 300 Flat BL, Version: Bypass version left, Delivery volume: 80 m3/h - 300 m3/h, SEC average: -39.47 kWh/(m2*a), Energy efficiency class: A, Voltage type: AC, Rated voltage: 230 V, Mains frequency: 50 Hz / 60 Hz, Power consumption according to DIN EN 13141-7 (A7): 39 W, Stand-by power consumption: < 1 W, IMax: 1.5 A, Protection rating: IP 00, DIBT approval: yes, PHI certification: no, System type: centralised, Housing material: Plastic EPP / sheet steel, Material heat exchanger: plastic, Material inner cladding: plastic EPP, Colour: black / traffic white, Weight: 42 kg, Weight with packaging: 46.631 kg, Filter class: ISO Coarse 80 % (G4) / ISO ePM1 60 % (F7), Connection diameter: 160 mm, Width: 700 mm, Height: 300 mm, Depth: 1500 mm, Width with packaging: 750 mm, Height with packaging: 305 mm, Depth with packaging: 1530 mm, Fluid temperature at IMax: -20 °C to 50 °C, Max. Heat recovery efficiency according to DIN EN 13141-7 (A7): 91 %, Heat exchanger type: enthalpy cross-counterflow, Bypass: yes, Pre-heating coil: no, Enthalpy heat exchanger: yes, Frost protection circuit: yes, Summer circuit: ECO exhaust air / ECO supply air, Filter monitoring: time-controlled (optionally via differential pressure), Humidity control: integrated, CO2 control: SKD, Air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T2 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 37 dB(A) / distance 1 m, Sound absorption 10 m2, Max. Max. speed: 2750 1/min, Heat recovery efficiency: 91 %

WS 160 Flat KBZET room air system with additional zone damperFeatures:Made in Germany quality, super quiet, IP 00 protection rating for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldReady to use with on/off switch. Tool-free filter change. Additional control units can be connected in parallel. Mobile operation via APP or browser-based web tool is possible. Network connection is possible. Integrated over-humidity protection function and 3 temperature sensors. Various inputs and outputs enable connection to other building services devices. Easy installation thanks to direct screwing. Tool-free filter replacement possible. Exhaust air is on the right. G4 filter and F7 pollen filter. RLS 1 WR control panel included, 4 air stages, filter change indicator and fault indicator. Integrated bypass, enthalpy heat exchanger and preheating coil. 2 supply air spigots (right and left) and one exhaust air spigot (centre). Integrated over-humidity protection function. With integrated motorised zone damperAttractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral granite grey similar to RAL 7026, compatible with any home furnishing style Suitable for continuous operation. Very quiet and energy-efficient appliance.Description:Comfort bypass zone design: Central unit with enthalpy heat exchanger, integrated bypass, preheating coil and motorised zone damper. This ensures that the room air is optimally cooled at high outside temperatures and comfortably preheated at low outside temperatures. The zone damper also allows the supply air rooms to be divided into two zones. The use of the motorised zone damper and demand-oriented zone control enables the supply air rooms to be divided into 2 zones. The respective distribution of the volume flows to the 2 zones can be stored in the time programme or controlled by corresponding air quality sensors in the zones. Brief description: Intelligent ventilation unit with heat and humidity recovery for controlled ventilation and extraction with a flow rate of 40 to 160 m3/h. Two supply air spigots (left and right) and one exhaust air spigot (centre) allow the supply air ducts to be laid without crossing. Complete separation of the exhaust air/supply air ducting throughout the entire appliance. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Hygiene certificate according to VDI 6022, sheet 1 available. Compact and highly efficient - energy efficiency class A. Sound and energy-optimised fans in EC technology. KFW - eligible for subsidies: Particularly suitable for modern new builds or refurbishments. Installation options: suspended from the ceiling or in the sloping roof. No sensitivity to pressure fluctuations: The integrated / automatic constant volume flow control ensures that the set volume flow is maintained permanently under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. No adjustment of the volume flows is necessary. Very quiet device with extremely low installation height (23 cm): This makes it particularly suitable for installation in suspended ceilings. Also suitable for installation in sloping ceilings. Various operating modes: Off, Manual, Auto Sensor, ECO exhaust air, ECO supply air. Room air control RLS 1 WR included in the scope of delivery. ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 55 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 80 % / ISO ePM1 55 %) in the outside air is possible to increase the filter service life. The ventilation unit is equipped with a state-of-the-art enthalpy heat exchanger with a hygiene certificate in accordance with VDI 6022, Sheet 1. The WS 160 Flat can be controlled via APP (air@home) and the browser-based web tool (##########_2__-##########_3__) using the integrated LAN interface. Plug & Play: Easy commissioning thanks to free commissioning software and standard USB connection for commissioning, control updates and servicing. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation and an intelligent dehumidification strategy (overhumidification protection). The appliance is also characterised by a frost protection strategy that is adapted to actual requirements. The heat recovery unit has a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables a high level of user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing. Filter change easily possible without tools. Tight, thermal bridge-free and sound-insulated inner housing made of temperature-resistant, sound- and heat-insulating EPP material. EPP housing with very good hygienic/non-hygroscopic properties. Device surface and inner housing are easy to clean. Filter: ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 55 % (F7) pollen filter in the outside air. Tool-free filter change. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_2__-##########_3__) via smartphone, laptop or PC enables ##########_0__. Live report generation, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, optional RLS T1 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of the Trio LZ possible, USB connection for service/commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_12__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Expandable via optional additional circuit board ZP 1 for controlling: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), switch contact use for external reheating coil, Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, Differential pressure-controlled filter monitoring, Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as z.B. heat pump. Approvals and certificates: DiBt approval. PHI certificate. Test report in accordance with DIN EN 13141-7. Certificate in accordance with Swiss energy _cluster.ch. Hygiene certificates for casing material (EPP) and heat exchanger. Heat exchanger/heat recovery: Highly efficient enthalpy cross-counterflow heat exchanger. Heat recovery up to 84 % and humidity recovery up to 53 %. Hygiene certificate (no bacteria, virus growth/virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. No condensate connection necessary. Bypass: The integrated bypass damper (100 % bypass) with demand-orientated bypass control enables infinitely variable bypass control. Depending on temperature differences and user settings, the room air is optimally cooled without draughts occurring. Frost protection: The power-controlled electric preheating coil is regulated depending on various variables recorded in the appliance. The result is an efficient and energy-saving control strategy. This means that ventilation with the heating coil does not suffer any loss of comfort even at low outside air temperatures. Fans: Forward curved centrifugal fans in the exhaust air or outside air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional ZP 2 additional circuit board. 4 ventilation levels continuously adjustable from 40 m3 to 160 m3/h. Installation instructions: Easy, very time-saving installation by screwing the device directly to the ceiling / wall. Housing cover can be easily removed via ##########_21__: WS 160 Flat KBZET, Design: Comfort bypass zone design, Number of ventilation stages: 4, Delivery volume: 40 m3/h - 160 m3/h, Constant volume flow: yes, SEC average: -34.6 kWh/(m2*a), Energy efficiency class: A, Voltage type: AC, Rated voltage: 230 V, Mains frequency: 50 Hz / 60 Hz, SPI value to DIN EN 13141-7 (A7): 0.32 Wh/m3, Power consumption to DIN EN 13141-7 (A7): 36 W, Standby power consumption: < 1 W, IMax: 4.6 A, Protection rating: IP 00, DIBT approval: yes, PHI certification: yes, Installation location: bathroom / kitchen / cellar / attic / utility room / boiler room / hallway, System type: Central, Housing material: plastic EPP / sheet steel, Heat exchanger material: plastic, Internal cladding material: plastic EPP, Colour: black / traffic white, Weight: 26.518 kg, Weight with packaging: 31.73 kg, Filter class: ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7), Connection diameter: 125 mm / 160 mm, Condensate drain connection diameter: not required, Width: 582 mm, Height: 230 mm, Depth: 1260 mm, Width with packaging: 710 mm, Height with packaging: 245 mm, Depth with packaging: 1365 mm, Conveying medium temperature at IMax: -20 °C to 50 °C, Heat recovery efficiency: 84 %, Max. Heat recovery efficiency to DIN EN 13141-7 (A7): 76 %, Heat exchanger type: Enthalpy cross-counterflow, Humidity recovery with enthalpy heat exchanger to DIN EN 13141-7 (A2): 53 %, Pre-heater coil output: 0.7 kW, Bypass: yes, Pre-heater coil: integrated, zone damper: yes, enthalpy heat exchanger: yes, frost protection circuit: yes, summer circuit: ECO extract air / ECO supply air, filter monitoring: time-controlled (optionally via differential pressure), humidity control: integrated, CO2 control: SKD, air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T2 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 37 dB(A) / distance 1 m, Sound absorption 10 m2, Approval number: Z-51.4-376, Max. Speed: 3300 1/min

WR 310 R room air system standard version supply/extract air rightFeatures:Made in Germany quality, super quiet, protection class IP 40 for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldCentral unit with cross-counterflow heat exchanger and constant volume flow control. Right-hand version with G4 filter and F7 pollen filter. On/off switch. Controlled ventilation. Easy installation with the included wall bracket. RLS 1 WR room control included in the scope of delivery. Mobile operation via APP or browser-based web tool is possible. Various inputs and outputs enable connection to other building services devices. Tool-free filter replacement. With 4 air stages, filter change indicator, fault indicator. Attractive design with elegant front panel made of impact-resistant sheet steel housing - Neutral white colour similar to RAL 9016, compatible with any office furnishing style Suitable for continuous operation. Very quiet and energy-efficient device.Description:Standard version: Device as right-hand version. Highly efficient ventilation unit achieves energy efficiency class A+ without optional accessories. Brief description: Standard version with cross-counterflow heat exchanger. Centralised, compact, very quiet domestic ventilation unit with heat recovery. For controlled ventilation and extraction. Particularly suitable for modern new builds and refurbishments. Eligible for KFW funding and entry in the TZWL bulletin (NRW funding programme). Wall-hung or upright installation (optional). ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air is possible to increase the filter service life. All appliances are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates in accordance with VDI 6022, Sheet 1. Complete separation of the extract air/supply air ducting throughout the entire appliance. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Room air control RLS 1 WR included in the scope of delivery. All domestic ventilation units can be controlled via APP (air@home) and the browser-based web tool (##########_1__-##########_2__) using the integrated LAN interface. Standard USB connection for commissioning, control updates and servicing. All devices are equipped with highly energy-efficient fans in EC technology. The integrated / automatic constant volume flow control ensures that the set volume flow is permanently maintained under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. Combination sensor (humidity/temperature) integrated as standard in the exhaust air enables demand-led ventilation operation as well as an intelligent frost protection and dehumidification strategy (overhumidification protection). All devices are characterised by a frost protection strategy that is adapted to actual requirements. In addition, all devices have a multi-function contact for the control of z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables easy retrofitting (preheating, bypass) and high user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing. Colour: Traffic white RAL 9016, easy filter change without tools. Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 47 mm). EPP housing with very good hygienic / non-hygroscopic properties. Material tested by the Institute for Air Hygiene in accordance with VDI 6022. Condensate drip tray integrated in the EPP housing. Device surface and inner housing are easy to clean. Sound-insulating inner lining in the supply air duct. Condensate drainage via strainer valve 1 . Optional DN 40 device siphon (see accessories). Filter: ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. Optional filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air possible to increase filter service life. Tool-free filter replacement. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_1__-##########_2__) via smartphone, laptop or PC enables ##########_0__. Live reporting, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, optional RLS T1 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of heat recovery units possible, USB connection for service / commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_13__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Multifunction contact for controlling z.B. Brine earth heat exchanger (uncontrolled pump), operating and fault display, preheating or reheating coil, external dampers or cooling. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Expandable via optional additional circuit board ZP 1 to control: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), an air damper of a zone control, switch contact use for external reheating coil, Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, Differential pressure-controlled filter monitoring, Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as z.B. heat pump. Approvals and certificates: DiBt approval. PHI certificate. Test report in accordance with DIN EN 13141-7. Certificate in accordance with Swiss energy _cluster.ch. Hygiene certificates for casing material (EPP) and heat exchanger. Entry in TZWL / TZWL bulletin. Heat exchanger/heat recovery: Highly efficient cross-counterflow heat exchanger made of plastic (PS). Heat recovery up to 96 %. Hygiene certificate (no bacteria, virus growth / virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. Frost protection: Prevention of heat exchanger freezing at low temperatures by switching off the supply air fan. Recommendation: Combine heat recovery with a brine heat exchanger. Fans: Forward curved centrifugal fans in the supply air or exhaust air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional additional board ZP 2. 4 ventilation levels from 80...320 m3/h (WR 310) or 80...470 m3/h (WR 410) continuously adjustable. Installation instructions: Easy, very time-saving installation with the wall bracket included in the scope of delivery. Housing cover can be easily removed using practical magnetic catches. Provide silencers on the supply and exhaust air sides. Note: All appliance variants (z.B. K) can be subsequently converted into other appliance variants (z.B. KRET) using optional components ##########_24__: WR 310 R, delivery volume: 80 m3/h - 320 m3/h, SEC average: -42.5 kWh/(m2*a), energy efficiency class: A+, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz / 60 Hz, SPI value according to DIN EN 13141-7 (A7): 0.18 Wh/m3, Power consumption according to DIN EN 13141-7 (A7): 37 W, Standby power consumption: < 1 W, IMax: 1.5 A, Protection rating: IP 40, DIBT approval: applied for, PHI certification: yes, System type: centralised, Housing material: Galvanised sheet steel, powder-coated, Material heat exchanger: plastic, Material inner cladding: plastic EPP, Colour: traffic white (RAL 9016), Weight: 67 kg, Weight with packaging: 77 kg, Filter class: ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7), Connection diameter: 160 mm, Connection diameter condensate drain: 1 1/2 (strainer valve), Width: 841 mm, Height: 857 mm, Depth: 598 mm, Width with packaging: 900 mm, Height with packaging: 1120 mm, Depth with packaging: 650 mm, Conveying medium temperature at IMax: -20 °C to 40 °C, Max. Heat recovery efficiency according to DIN EN 13141-7 (A7): 96 %, Heat exchanger type: cross-counterflow, Bypass: no, Pre-heating coil: no, Enthalpy heat exchanger: no, Frost protection circuit: yes, Summer circuit: ECO exhaust air / ECO supply air, Filter monitoring: time-controlled, Humidity control: integrated, CO2 control: SKD, Air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T1 WS, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 36 dB(A) / distance 1 m, Sound absorption 10 m2, DC motor: true, Max. Speed: 2750 1/min, Heat recovery rate: 96 %

WS 320 RET - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control and enthalpy heat exchanger, supply and extract air on the right, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors required for connection to spiral ducting, including control unit RLS 1 WR, MAICO app for mobile device control, DIBt approval, Passive House certificate, KNX, Modbus, Loxone and EnOcean connectivity possibleWS 320 RET - Product DescriptionStandard VersionWith enthalpy heat exchanger.Unit in right-hand version.Highly efficient ventilation unit achieves energy efficiency class A without optional accessories.Brief DescriptionCentral compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust ventilation.Especially suitable for modern new builds and renovations.KfW funding eligibility and NRW funding available.Wall-mounted or standing installation (optional).ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air is possible to extend filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of extract and supply air paths throughout the unit. This prevents unwanted recirculation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control updates and service.All units are equipped with highly energy-efficient EC technology fans.Integrated/automatic constant volume flow control ensures permanent adherence to the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also simplifies commissioning/air volume measurement at the valves.Standard integrated combined sensor (humidity/temperature) in the extract air enables demand-controlled ventilation operation as well as intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to actual demand.All units also have a multifunction contact for controlling e.g. brine-earth heat exchanger (unregulated pump), operating and fault indication, preheating or reheating coil, external flaps or cooling.2 input contacts (12 V and 230 V) are available for e.g. safety shutdowns.Various inputs/outputs allow control connection to other building services devices, e.g. heat pump.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.Optional plug-in module K-SM enables integration into KNX building systems.Optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for expansion functions such as “pressure constant control” of EC fans, zone damper, brine-earth heat exchanger (regulated pump), filter differential pressure measurement.Maximum unit flexibility through various equipment/connection options.Modern modular unit technology allows easy retrofitting (e.g. preheating, bypass) as well as high user-friendliness for service and maintenance.FeaturesHousingPowder-coated steel sheet housing.Colour: Traffic white, similar to RAL 9016.Filter change easy without tools.Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and thermal-insulating EPP material (average wall thickness 47 mm).EPP housing with very good hygienic / non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in EPP housing.Unit surface and inner housing easy to clean.Sound-absorbing inner lining in the supply air duct.Condensate drain via 1 ½“ sieve valve.Optional unit siphon DN 40 (see accessories).FiltersISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air.Optional filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air possible to extend filter service life.Tool-free filter change.OperationReady to operate with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile control via app (Maico@home)Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO operation supply air or ECO operation extract airFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO Extract / ECO Supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO extract airFilter change and fault indicatorUSB connection for service / commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management systems www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the “EnOcean world” www.enocean-allinace.org.ControlStandard demand-controlled volume flow control (“relevant humidity value”).Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outside, extract and supply air.1 combined sensor (temperature and humidity) in the extract air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Multifunction contact for controlling e.g. brine-earth heat exchanger (unregulated pump), operating and fault indication, preheating or reheating coil, external flaps or cooling.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional push-button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for controlling:3-way damper (e.g. air-earth heat exchanger)a regulated pump (e.g. brine-earth heat exchanger)an air damper of a zone controlswitch contact use for external reheating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with another building services device such as a heat pump.Approvals and CertificatesDIBt approval.PH certification: all WS 320 left-hand versions.Test report according to DIN EN 13141-7.Certificate according to Swiss “energie-cluster.ch”.Hygiene certificates for housing material (EPP) and heat exchanger.Entry in TZWL bulletin.Heat Exchanger/Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 96 %.Moisture recovery up to 68 % (with ET units).Hygiene certificate (no bacteria, virus growth / virus transmission) according to VDI 6022, Sheet 1.Heat exchanger washable with water, antimicrobial.Units with enthalpy heat exchangers do not require a condensate connection.BypassIncluded in the "B" unit variants.Modulating, automatic 100 % bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Frost ProtectionPrevention of heat exchanger freezing at low temperatures.Highly energy-efficient frost protection function in “K” unit versions via demand-controlled, power-modulated electric PTC preheating coil.In “non-K” unit versions by switching off the supply air fan.Recommendation: In “non-K” unit versions, combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in supply and extract air.Energy-efficient EC DC motors with integrated constant volume flow control.Possibility of pressure constancy control via optional additional circuit board ZP 2.4 ventilation levels from 80 m³/h to 320 m³/h continuously adjustable.Installation NotesEasy, very time-saving installation with the wall bracket included in the scope of delivery.Housing cover easily removable via practical magnetic fasteners.Provide silencers on supply and extract air sides.Note: All unit variants (e.g. “K”) can be retrofitted to other unit variants (e.g. “KRET”) later by optional components.Installation / Operation / Maintenance Wiring diagramsInstallation and operating instructions: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | onlineInformation for enthalpy versions ArticleWS 320 RETAir Volume80 m³/h - 320 m³/hSEC average-39.1 kWh/(m²*a)Energy Efficiency ClassAType of VoltageAlternating currentRated Voltage230 VMains Frequency50 Hz / 60 HzPower Consumption according to DIN EN 13141-7 (A7)36 WStand-By Power Consumption< 1 WIMax1.5 AProtection ClassIP 40DIBt ApprovalyesPHI CertificationyesSPI Value0.22 Wh/m³Installation Locationstanding / wallSystem TypecentralHousing Materialgalvanised steel sheet, powder-coatedHeat Exchanger MaterialPlasticInner Lining MaterialPlastic EPPColourtraffic white (RAL 9016)Weight69.61 kgWeight with Packaging81.8 kgFilter ClassISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)Connection Diameter160 mmCondensate Drain Connection Diameter1 1/2" (sieve valve)Width841 mmHeight857 mmDepth598 mmWidth with Packaging900 mmHeight with Packaging1,120 mmDepth with Packaging650 mmTransport Medium Temperature at IMax-20 °C to 40 °CMax. Heat Supply Efficiency according to DIN EN 13141-7 (A7)93 %Heat Exchanger TypeEnthalpy cross-counterflowMoisture Recovery with Enthalpy Heat Exchanger according to DIN EN 13141-7 (A2)68 %Extract Air PositionrightBypassnoPreheating CoilnoEnthalpy Heat ExchangeryesFrost Protection CircuityesSummer CircuitECO extract air / ECO supply airFilter Monitoringtime-controlledHumidity ControlintegratedCO2 Control (optional)SKDAir Quality Control (optional)EAQ 10/3KNX Connection (optional)K-SMMODBUS InterfaceintegratedControl Unit IncludedRLS 1 WR, AppControl Unit (optional)RLS T2 WS, RLS G1 WSRadio Integration EnOcean (optional)E-SMMobile ControlyesSound Pressure Level Housing Radiation36 dB(A) / distance 1 m, sound absorption 10 m²

WS 320 KET - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control, including pre-heating coil and enthalpy heat exchanger, supply and exhaust air on the left, volume flow 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors required for connection to spiral ducting, including control unit RLS 1 WR, MAICO app for mobile device control, DIBt approval, Passive House certificate, KNX, Modbus, Loxone and EnOcean connectivity possibleWS 320 KET - Product DescriptionComfort VersionWith pre-heating coil and enthalpy heat exchanger.Unit in left-hand version.Highly efficient ventilation unit achieves energy efficiency class A without optional accessories.Brief DescriptionCentral compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust ventilation.Especially suitable for modern new builds and renovations.KfW funding eligibility and NRW funding available.Wall-mounted or standing installation (optional).ISO Coarse 85 % (G4) filter in the exhaust air and ISO ePM1 80 % (F7) pollen filter in the outdoor air. A filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outdoor air is possible to extend filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of exhaust and supply air paths throughout the unit. This prevents unwanted recirculation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included in delivery.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control updates and service.All units are equipped with highly energy-efficient EC technology fans.Integrated/automatic constant volume flow control ensures permanent adherence to the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also simplifies commissioning/air volume balancing at the valves.Standard integrated combined sensor (humidity/temperature) in the exhaust air enables demand-controlled ventilation operation as well as intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to actual demand.All units also have a multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operating and fault indication, pre- or post-heating coil, external flaps or cooling.2 input contacts (12 V and 230 V) are available for e.g. safety shutdowns.Various inputs/outputs allow control connection to other building services devices, e.g. heat pump.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.Optional plug-in module K-SM enables integration into KNX building systems.Optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for expansion functions such as “pressure constant control” of EC fans, zone damper, brine ground heat exchanger (regulated pump), filter differential pressure measurement.Maximum unit flexibility through various equipment/connection options.Modern modular unit technology allows easy retrofitting (e.g. pre-heating, bypass) as well as high user-friendliness for service and maintenance.FeaturesHousingPowder-coated steel sheet housing.Colour: Traffic white, similar to RAL 9016.Filter change easy without tools.Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and thermal-insulating EPP material (average wall thickness 47 mm).EPP housing with very good hygienic / non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in EPP housing.Unit surface and inner housing easy to clean.Sound-absorbing inner lining in the supply air duct.Condensate drain via 1 ½“ sieve valve.Optional unit siphon DN 40 (see accessories).FiltersISO Coarse 85 % (G4) filter in the exhaust air and ISO ePM1 80 % (F7) pollen filter in the outdoor air.Optional filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outdoor air possible to extend filter service life.Tool-free filter change.OperationReady for operation with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile control via app (Maico@home)Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO operation supply air or ECO operation exhaust airFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO exhaust / ECO supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO exhaust airFilter change and fault indicatorUSB connection for service / commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the “EnOcean world” www.enocean-alliance.org.ControlStandard demand-controlled volume flow control (“relevant humidity value”).Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outdoor, exhaust and supply air.1 combined sensor (temperature and humidity) in the exhaust air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operating and fault indication, pre- or post-heating coil, external flaps or cooling.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional push-button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for controlling:3-way flap (e.g. air ground heat exchanger)a regulated pump (e.g. brine ground heat exchanger)an air flap of a zone controlswitch contact use for external post-heating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with another building services device such as a heat pump.Approvals and CertificatesDIBt approval.PH certification: all WS 320 left-hand versions.Test report according to DIN EN 13141-7.Certificate according to Swiss “energie-cluster.ch”.Hygiene certificates for housing material (EPP) and heat exchanger.Entry in TZWL bulletin.Heat Exchanger / Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 96 %.Moisture recovery up to 68 % (with ET units).Hygiene certificate (no bacteria, virus growth / virus transmission) according to VDI 6022, Sheet 1.Heat exchanger cleanable with water, antimicrobial.Units with enthalpy heat exchangers do not require a condensate connection.BypassIncluded in the "B" device variants.Modulating, automatic 100 % bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Frost ProtectionPrevention of heat exchanger freezing at low temperatures.Highly energy-efficient frost protection function in “K” device versions via demand-controlled, power-modulated electric PTC pre-heating coil.In “non-K” device versions by switching off the supply air fan.Recommendation: For “non-K” device versions, combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in the supply and exhaust air.Energy-efficient EC DC motors with integrated constant volume flow control.Possibility of pressure constancy control via optional additional circuit board ZP 2.4 ventilation levels from 80 m³/h to 320 m³/h continuously adjustable.Installation NotesEasy, very time-saving installation with the wall bracket included in the delivery.Housing cover easily removable via practical magnetic closures.Provide silencers on supply and exhaust air sides.Note: All device variants (e.g. “K”) can be retrofitted to other device variants (e.g. “KRET”) later by optional components.Installation / Operation / Maintenance Wiring diagramsInstallation and operating instructions: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | onlineInformation for enthalpy versions ArticleWS 320 KETVolume flow80 m³/h - 320 m³/hSEC average-39.1 kWh/(m²*a)Energy efficiency classAType of currentAlternating currentRated voltage230 VMains frequency50 Hz / 60 HzPower consumption according to DIN EN 13141-7 (A7)36 WStand-by power consumption< 1 WIMax11 AProtection classIP 40DIBt approvalyesPHI certificationyesSPI value0.22 Wh/m³Installation locationstanding / wallSystem typecentralHousing materialgalvanised steel sheet, powder-coatedHeat exchanger materialPlasticInner lining materialPlastic EPPColourtraffic white (RAL 9016)Weight69.61 kgWeight with packaging81.8 kgFilter classISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)Connection diameter160 mmConnection diameter condensate drain1 1/2" (sieve valve)Width841 mmHeight857 mmDepth598 mmWidth with packaging900 mmHeight with packaging1,120 mmDepth with packaging650 mmTransport medium temperature at IMax-20 °C to 40 °CMax. heat supply rate according to DIN EN 13141-7 (A7)93 %Heat exchanger typeEnthalpy cross-counterflowMoisture recovery with enthalpy heat exchanger according to DIN EN 13141-7 (A2)68 %Pre-heating coil power1.8 kWExhaust air positionleftBypassnoPre-heating coilintegratedEnthalpy heat exchangeryesFrost protection circuityesSummer circuitECO exhaust / ECO supplyFilter monitoringtime-controlledHumidity controlintegratedCO2 control (optional)SKDAir quality control (optional)EAQ 10/3KNX connection (optional)K-SMMODBUS interfaceintegratedControl unit includedRLS 1 WR, appControl unit (optional)RLS T2 WS, RLS G1 WSRadio integration EnOcean (optional)E-SMMobile controlyesSound pressure level housing radiation36 dB(A) / distance 1 m, sound absorption 10 m²

WS 170 KBRET room air system bypass-right version with enthalpyFeatures:Made in Germany quality, super quiet, protection class IP 00 for safety in the homeFor a better indoor climate in the home, The low-noise central ventilation unit - the elegant solution against humidity, unpleasant odours and mouldBypass version with enthalpy heat exchanger, preheating coil and sound-optimised housing. Right-hand version with G4 filter and F7 pollen filter. On/off switch. Controlled ventilation. Easy installation with the included wall bracket. RLS 1 WR room control included in the scope of delivery. Mobile operation via APP or browser-based web tool is possible. Customised frost protection strategy and bypass. Various inputs and outputs enable connection to other building services devices. Tool-free filter replacement. With 4 air stages, filter change indicator, fault indicator.Attractive design with elegant front panel made of impact-resistant plastic - Neutral white colour similar to RAL 9016, compatible with any office furnishing style Housing made of impact-resistant plasticSuitable for continuous operation. Very quiet and energy-efficient device.Description:Bypass version: Bypass version with preheating coil, bypass, sound-optimised housing with additional insulation and enthalpy heat exchanger. Device as right-hand version. ISO Coarse 80 % (G4) filter in the extract air and ISO ePM1 55 % (F7) pollen filter in the outside air. Patented automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit. Brief description: Centralised, compact, very quiet domestic ventilation unit with heat recovery. For controlled ventilation and extraction. Highly efficient ventilation unit achieves energy efficiency class A. Particularly suitable for modern new builds and refurbishments (____00_0__. flats). The narrow ventilation unit (width: 59.8 cm) is also particularly suitable for installation in kitchens. Eligible for KFW funding and entry in the TZWL bulletin (NRW funding programme). Easy, very time-saving installation with the wall bracket included in the scope of delivery. A filter cascade (ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)) in the outside air is possible to increase the filter service life. All appliances are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates in accordance with VDI 6022, Sheet 1. Complete separation of the extract air/supply air ducting throughout the entire appliance. This prevents unwanted air recirculation. Viruses (coronavirus) and bacteria are therefore not transmitted. Room air control RLS 1 WR included in the scope of delivery. All domestic ventilation units can be controlled via APP (air@home) and the browser-based web tool (##########_2__-##########_3__) using the integrated LAN interface. Standard USB connection for commissioning, control updates and servicing. All devices are equipped with highly energy-efficient fans in EC technology. The integrated/automatic constant volume flow control ensures that the set volume flow is permanently maintained under all operating conditions (filter contamination, air valve settings). This also results in simpler commissioning / air volume measurement at the valves. Combination sensor (humidity / temperature) integrated as standard in the exhaust air enables demand-led ventilation operation as well as an intelligent frost protection and dehumidification strategy (overhumidification protection). All devices are characterised by a frost protection strategy that is adapted to actual requirements. 2 input contacts (12 V and 230 V) are available for safety-related shutdowns. Various inputs/outputs enable a control connection to other building services devices z.B. heat pump. Integrated MODBUS interface (TCP/IP and RTU) for integration into the building management system. The optional K-SM plug-in module enables integration into KNX building systems. The optional E-SM plug-in module enables integration into EnOcean systems. Optional additional boards ZP 1 and ZP 2 for expansion functions such as z.B. Constant pressure control of the EC fans, zone damper, brine ground heat exchanger (controlled pump), filter differential pressure measurement. Maximum unit flexibility thanks to a wide range of equipment/connection options. Modern modular appliance technology enables easy retrofitting (preheating, bypass) and high user-friendliness for service and maintenance. Housing: Powder-coated sheet steel housing. Colour: Traffic white RAL 9016. Sound-optimised housing with additional insulation for appliances with bypass B. Filter can be changed easily without tools. Housing cover can be opened using quick-release fasteners. Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 42 mm). EPP housing with very good hygienic/non-hygroscopic properties. Material tested by the Institute for Air Hygiene in accordance with VDI 6022. Condensate drip tray integrated in the EPP housing. Device surface and inner housing are easy to clean. Condensate drain (3/4 hose connection or drain pipe Ø 28 mm) on the base of the appliance. Connection to a siphon. Filter: The WS 170 R/L appliances use ISO Coarse 80 % (G4) filters in the extract air and outside air. For the WS 170 KR/KL, WS 170 KRET/KLET, WS 170 KBR/KBL, WS 170 KBRET/KBLET appliances, ISO Coarse 80 % (G4) filters in the extract air and ISO ePM1 55 % (F7) pollen filters in the outside air. Optional filter cascade (ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)) in the outside air possible to increase filter service life. Tool-free filter replacement. Operation: Ready for operation with on/off switch. RLS 1 WR control panel included in the scope of delivery, 4 air stages, filter change indicator, fault indicator. Additional control panels can be connected in parallel. Mobile operation via APP (air@home) or browser-based web tool (##########_2__-##########_3__) via smartphone, laptop or PC enables ##########_0__. Live reporting, user management, demand-driven automatic mode / time-controlled automatic mode, manual mode / OFF, ECO supply air mode or ECO extract air mode, filter queries, error messages, optional RLS T1 WS touchscreen control panel for setting: 2 automatic operating modes (Auto Sensor / Auto Time), 4 manual operating modes (ECO extract air / ECO supply air / MANUAL / OFF), complete commissioning of heat recovery units possible, USB connection for service/commissioning - free MAICO commissioning software. Network integration via integrated LAN interface. Smart-Home ready (z.B. Loxone via Modbus TCP/IP). Modbus TCP/IP and RTU integrated as standard. Optional KNX plug-in module K-SM for integration into building management systems ##########_13__.org. Optional EnOcean plug-in module E-SM for device integration into the EnOcean world www.enocean-allinace.org. Control: Demand-led volume flow control as standard (decisive humidity value). Stepless demand-led adjustment of the air volumes. Integrated over-humidity protection function. 3 temperature sensors in the outside, exhaust and supply air. 1 combination sensor (temperature and humidity) in the exhaust air spigot. Up to 4 external sensors of different types (CO2, VOC, humidity) can be connected. Inputs for safety-related switch-off via 12 V contact or 230 V contact (z.B. Smoke detector, fire alarm, differential-pressure-free fireplace). Additional push-button input for triggering time-limited intensive ventilation (shock ventilation). Expandable via optional additional circuit board ZP 1 for controlling: 3-way damper (z.B. Air/earth heat exchanger), a controlled pump (z.B. Brine/earth heat exchanger), an air damper of a zone control, switch contact use for external reheating coil, Expandable via optional additional circuit board ZP 2 for: Pressure constancy of the EC fans, Differential pressure-controlled filter monitoring, Various inputs and outputs enable a control connection of the ventilation unit with another building services device such as z.B. heat pump. Approvals and certificates: DiBt approval. PHI certificate. Test report in accordance with DIN EN 13141-7. Certificate in accordance with Swiss energy _cluster.ch. Hygiene certificates for casing material (EPP) and heat exchanger. Entry in TZWL / TZWL bulletin. Heat exchanger/heat recovery: Highly efficient cross-counterflow heat exchanger made of plastic (PS). Heat recovery up to 95 % and humidity recovery up to 66 %. Hygiene certificate (no bacteria, virus growth/virus transfer) in accordance with VDI 6022, sheet 1. Heat exchanger can be cleaned with water, antimicrobial. Appliances with enthalpy heat exchangers do not require a condensate connection. Bypass: Included in the B appliance variants. Patented automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit. Frost protection: Prevention of heat exchanger freezing at low temperatures. Highly energy-efficient frost protection function for K appliance versions via demand-controlled, power-modulated electric PTC preheating coil. For non-K appliance versions via supply air fan switch-off. Recommendation: Combine heat recovery with a brine heat exchanger for non-K appliance versions. Fans: Forward curved centrifugal fans in the fresh air or exhaust air. Energy-efficient EC DC motors with integrated constant volume flow control. Possibility of constant pressure control via the optional ZP 2 additional circuit board. 4 ventilation levels continuously adjustable from 40 m3/h to 160 m3/h. Installation instructions: Easy, very time-saving installation with the wall bracket included in the scope of delivery. Housing cover can be easily removed using practical magnetic catches. Provide silencers on the supply and exhaust air sides. Note: All appliance variants (z.B. K) can be subsequently converted into other appliance variants (z.B. KRET) using optional components ##########_23__: WS 170 KBRET, Version: Bypass version right, Number of ventilation stages: 4, Delivery volume: 40 m3/h - 160 m3/h, Constant volume flow: yes, SEC average: -36.53 kWh/(m2*a), Energy efficiency class: A, Voltage type: AC, Rated voltage: 230 V, Mains frequency: 50 Hz / 60 Hz, SPI value according to DIN EN 13141-7 (A7): 0.28 Wh/m3, Power consumption: 21 W - 80 W - At 100 Pa back pressure, Power consumption according to DIN EN 13141-7 (A7): 36 W, Stand-by power consumption: < 1 W, IMax: 0.5 A / With active frost protection heating 4 A, Protection rating: IP 00, DIBT approval: no, PHI certification: no, Installation location: Bathroom / kitchen / cellar / attic / attic / utility room / boiler room / hallway, System type: central, Housing material: galvanised sheet steel, powder-coated, Heat exchanger material: plastic, Internal cladding material: plastic EPP, Colour: traffic white (RAL 9016), Weight: 44.9 kg, Weight with packaging: 49.728 kg, Filter class: ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7), Connection diameter: 125 mm, Connection diameter condensate drain: 3/4 hose connection or drain pipe Ø 28 mm, Width: 435 mm, Height: 820 mm, Depth: 595 mm, Width with packaging: 455 mm, Height with packaging: 990 mm, Depth with packaging: 640 mm, Conveying medium temperature at IMax: -20 °C to 60 °C, Ambient temperature: 10 °C to 40 °C, Max. Heat recovery efficiency to DIN EN 13141-7 (A7): 90 %, Heat exchanger type: enthalpy cross-counterflow, Humidity recovery with enthalpy heat exchanger to DIN EN 13141-7 (A2): 66 %, Pre-heating coil output: 0.74 kW, Bypass: automatic, Pre-heating coil: integrated, Enthalpy heat exchanger: yes, Frost protection circuit: yes, Summer circuit: extract air / supply air, Filter monitoring: time-controlled, Humidity control: integrated, CO2 control: SKD, Air quality control (optional): EAQ 10/3, KNX connection (optional): K-SM, MODBUS interface: integrated, Control panel included: RLS 1 WR, App, Control panel (optional): RLS T2 WS, Radio on/off switch (optional): XE 1, XS 1, EnOcean radio integration (optional): E-SM, Mobile control: yes, Sound pressure level housing radiation: 32 dB(A) / 34 dB(A) / 35 dB(A) / distance 1 m, Sound absorption 10 m2, DC motor: true, Max. Max. speed: 2500 1/min, Heat recovery rate: 90 %

WS 320 BET - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control, including bypass and enthalpy heat exchanger, supply and extract air on the left, volume flow 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors required for connection to spiral ducting, including control unit RLS 1 WR, MAICO app for mobile device control, DIBT approval, Passive House certificate, KNX, Modbus, Loxone and EnOcean connectivity possibleWS 320 BET - Product DescriptionBypass VersionWith bypass and enthalpy heat exchanger.Unit designed for left-hand installation.Highly efficient ventilation unit achieves energy efficiency class A without optional accessories.Modulating, automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Brief DescriptionCentral compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust ventilation.Especially suitable for modern new builds and renovations.Eligible for KfW funding and NRW subsidies.Wall-mounted or standing installation (optional).ISO Coarse 85% (G4) filter in the extract air and ISO ePM1 80% (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 85%/ISO ePM1 80%) in the outside air is possible to extend filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of extract and supply air paths throughout the unit. This prevents unwanted recirculation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included in delivery.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control updates and service.All units are equipped with highly energy-efficient fans in EC technology.Integrated/automatic constant volume flow control ensures permanent adherence to the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also simplifies commissioning/air volume balancing at the valves.Standard integrated combined sensor (humidity/temperature) in the extract air enables demand-controlled ventilation operation as well as an intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to actual demand.Additionally, all units have a multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operating and fault indication, pre-heating or post-heating coils, external flaps or cooling.2 input contacts (12 V and 230 V) are available for e.g. safety shutdowns.Various inputs/outputs allow control connection to other building services devices, e.g. heat pump.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.Optional plug-in module K-SM enables integration into KNX building systems.Optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for expansion functions such as "pressure constant control" of EC fans, zone damper, brine ground heat exchanger (regulated pump), filter differential pressure measurement.Maximum unit flexibility through various equipment/connection options.Modern modular unit technology allows easy retrofitting (e.g. pre-heating, bypass) as well as high user-friendliness for service and maintenance.FeaturesHousingPowder-coated steel sheet housing.Colour: Traffic white, similar to RAL 9016.Filter change possible without tools.Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and thermal-insulating EPP material (average wall thickness 47 mm).EPP housing with very good hygienic / non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in the EPP housing.Unit surface and inner housing are easy to clean.Sound-absorbing inner lining in the supply air duct.Condensate drain via 1 ½“ sieve valve.Optional unit siphon DN 40 (see accessories).FiltersISO Coarse 85% (G4) filter in the extract air and ISO ePM1 80% (F7) pollen filter in the outside air.Optional filter cascade (ISO Coarse 85%/ISO ePM1 80%) in the outside air possible to extend filter service life.Tool-free filter replacement.OperationReady for operation with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile control via app (Maico@home)Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO operation supply air or ECO operation extract airFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO Extract / ECO Supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO extract airFilter change and fault indicatorUSB connection for service / commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the "EnOcean world" www.enocean-alliance.org.ControlStandard demand-controlled volume flow control ("relevant humidity value").Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outside, extract and supply air.1 combined sensor (temperature and humidity) in the extract air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operating and fault indication, pre-heating or post-heating coils, external flaps or cooling.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional push-button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for controlling:3-way damper (e.g. air ground heat exchanger)a regulated pump (e.g. brine ground heat exchanger)an air damper of a zone controlswitch contact use for external post-heating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with another building services device such as a heat pump.Approvals and CertificatesDIBT approval.PH certification: all WS 320 left-hand versions.Test report according to DIN EN 13141-7.Certificate according to Swiss "energie-cluster.ch".Hygiene certificates for housing material (EPP) and heat exchangers.Entry in TZWL bulletin.Heat Exchanger / Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 96%.Moisture recovery up to 68% (for ET units).Hygiene certificate (no bacteria, virus growth / virus transmission) according to VDI 6022, Sheet 1.Heat exchanger washable with water, antimicrobial.Units with enthalpy heat exchangers do not require a condensate connection.BypassIncluded in the "B" unit variants.Modulating, automatic 100% bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Frost ProtectionPrevention of heat exchanger freezing at low temperatures.Highly energy-efficient frost protection function in "K" unit versions via demand-controlled, power-modulated electric PTC pre-heating coil.In "non-K" unit versions by switching off the supply air fan.Recommendation: In "non-K" unit versions, combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in supply and extract air.Energy-efficient EC DC motors with integrated constant volume flow control.Possibility of pressure constancy control via optional additional circuit board ZP 2.4 ventilation levels from 80 m³/h to 320 m³/h continuously adjustable.Installation NotesEasy, very time-saving installation with the wall bracket included in the delivery.Housing cover easily removable via practical magnetic fasteners.Provide silencers on supply and exhaust air sides.Note: All unit variants (e.g. "K") can be retrofitted to other unit variants (e.g. "KRET") later by optional components.Installation / Operation / Maintenance Wiring diagramsInstallation and operating instructions: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | onlineInformation for enthalpy versions ArticleWS 320 BETVolume flow80 m³/h - 320 m³/hSEC average-39.1 kWh/(m²*a)Energy efficiency classAType of currentAlternating currentRated voltage230 VMains frequency50 Hz / 60 HzPower consumption according to DIN EN 13141-7 (A7)36 WStand-by power consumption< 1 WIMax1.5 AProtection classIP 40DIBT approvalyesPHI certificationyesSPI value0.22 Wh/m³Installation locationstanding / wallSystem typecentralHousing materialgalvanised steel sheet, powder-coatedHeat exchanger materialPlasticInner lining materialPlastic EPPColourtraffic white (RAL 9016)Weight69.61 kgWeight with packaging81.8 kgFilter classISO Coarse 85% (G4) / ISO ePM1 80% (F7)Connection diameter160 mmConnection diameter condensate drain1 1/2" (sieve valve)Width841 mmHeight857 mmDepth598 mmWidth with packaging900 mmHeight with packaging1,120 mmDepth with packaging650 mmTransport medium temperature at IMax-20 °C to 40 °CMax. heat supply efficiency according to DIN EN 13141-7 (A7)93 %Heat exchanger typeEnthalpy cross-counterflowMoisture recovery with enthalpy heat exchanger according to DIN EN 13141-7 (A2)68 %Extract air positionleftBypassyesPre-heating coilnoEnthalpy heat exchangeryesFrost protection circuityesSummer circuitECO extract / ECO supplyFilter monitoringtime-controlledHumidity controlintegratedCO2 control (optional)SKDAir quality control (optional)EAQ 10/3KNX connection (optional)K-SMMODBUS interfaceintegratedControl unit includedRLS 1 WR, appControl unit (optional)RLS T2 WS, RLS G1 WSRadio integration EnOcean (optional)E-SMMobile controlyesSound pressure level housing radiation36 dB(A) / distance 1 m, sound absorption 10 m²

WS 75RSUP flush-mounted rough-in installation set for WS 75 Powerbox HFeatures:Quality Made in GermanyCarcass installation set - for simple installation. Consists of an installation box with integrated drilling template for core hole drilling, two thermally insulated wall sleeves (each with two plaster protection covers) with condensate extraction channels and two WS 75 A sheet metal adapters with an additional plug per adapter. Attractive design - neutral traffic black RAL 9017, compatible with any interior style Suitable for continuous operation. Description:Carcass installation set for installation in the external wall for ventilation unit with heat recovery WS 75 Powerbox H for a wall thickness of up to 500 mm. Scope of delivery: Installation box (width x height x depth: 534 x 1066 x 152 mm) with integrated drilling template, two wall sleeves (Ø 125 mm outside, Ø 90 mm inside, length 500 mm) made of EPP, each with two plaster protection covers, two WS 75 A sheet metal adapters, each with two connections for the MF-M75 flexible pipe, plus one plug per adapterArticle: WS 75 RSUP, Housing material: sheet steel, powder-coated, Colour: traffic black RAL 9017, Weight: 9.7671 kg, Weight with packaging: 11.964 kg, Width: 534 mm, Height: 1066 mm, Depth: 152 mm, Width with packaging: 595 mm, Height with packaging: 1130 mm, Depth with packaging: 210 mm

Air filter, WRF 180 EC for WRG 180 EC, 2 x G4Features:Quality Made in GermanyAir filter - for easy installationReplacement air filter for central ventilation unit WRF 180 EC. Filter class G4.Attractive design - compatible with any interior styleSuitable for continuous operation.Description:Replacement air filter for central ventilation unit WRG 180 EC. Item: WRF 180 EC, installation position: vertical / horizontal, weight: 0.022 kg, weight with packaging: 0.03 kg, filter class: ISO Coarse 80% (G4), width: 285 mm, height: 140 mm, depth: 16 mm, width with packaging: 290 mm, height with packaging: 140 mm, depth with packaging: 35 mm, suitable for products: WRG 180 EC, suitable for box fans: no, suitable for roof fans: no, suitable for duct fans: no, suitable for heat recovery systems: no, suitable for wall-mounted fans: no, suitable for wall-mounted inlet fans: no, suitable for residential fans: no, suitable for centrifugal fans: no, suitable for circulation fans: no

Flush-mounted cover WS 75 UPA for WS 75 Powerbox H, sheet metal and glassFeatures:Quality Made in GermanyFlush-mounted cover - for easy installation.Cover with glass insert. Modern design. Quick and easy installation.Attractive design - neutral white colour similar to RAL 9016, compatible with any interior style Suitable for continuous operation. Description:Design cover made of sheet metal with high-quality glass insert. Modern design. Colour: Traffic white RAL 9016 (fine structure matt). Dimensions (W x H x D): 570 x 1102 x 37 mm. Quick and easy Montage.Artikel: WS 75 UPA, material: sheet steel, powder-coated with glass insert, colour: traffic white, similar to RAL 9016, weight: 6.872 kg, weight with packaging: 9.25 kg, width: 570 mm, height: 1102 mm, depth: 37 mm, width with packaging: 635 mm, height with packaging: 1175 mm, depth with packaging: 95 mm

Concealed glass cover WS 75 UPGA for WS 75 Powerbox H, made of glassFeatures:Quality Made in GermanyFlush-mounted glass cover - for easy installation.Cover made of glass. Modern design. Quick and easy installation.Attractive design - Neutral white colour similar to RAL 9016, compatible with any interior style Suitable for continuous operation. Description:Design cover made of glass. Modern design. Colour: white. Dimensions (W x H x D): 566 x 1098 x 38 mm. Simple quick Montage.Artikel: WS 75 UPGA, material: glass, colour: traffic white, similar to RAL 9016, weight: 6.168 kg, weight with packaging: 8.852 kg, width: 566 mm, height: 1098 mm, depth: 38 mm, width with packaging: 635 mm, height with packaging: 1175 mm, depth with packaging: 95 mm

WS 320 KRET - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control, including pre-heating coil and enthalpy heat exchanger, supply and exhaust air on the right, volume flow 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 connectors required for connection to spiral ducting, including control unit RLS 1 WR, MAICO app for mobile device control, DIBt approval, Passive House certificate, KNX, Modbus, Loxone and EnOcean connectivity possibleWS 320 KRET - Product DescriptionComfort VersionWith pre-heating coil and enthalpy heat exchanger.Unit configured for right-hand installation.Highly efficient ventilation unit achieves energy efficiency class A without optional accessories.Brief DescriptionCentral compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust air ventilation.Especially suitable for modern new builds and renovations.Eligible for KfW funding and NRW subsidies.Wall-mounted or standing installation (optional).ISO Coarse 85 % (G4) filter in the exhaust air and ISO ePM1 80 % (F7) pollen filter in the outdoor air. A filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outdoor air is possible to extend filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of exhaust and supply air paths throughout the unit. This prevents unwanted recirculation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included in delivery.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control updates and service.All units are equipped with highly energy-efficient EC technology fans.Integrated/automatic constant volume flow control ensures permanent adherence to the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also simplifies commissioning and air volume measurement at the valves.Standard integrated combined sensor (humidity/temperature) in the exhaust air enables demand-controlled ventilation operation as well as an intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to actual demand.Additionally, all units have a multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operation and fault indication, pre- or post-heating coils, external flaps or cooling.2 input contacts (12 V and 230 V) are available for safety shutdowns, for example.Various inputs/outputs allow control connection to other building technology devices, e.g. heat pumps.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.Optional plug-in module K-SM enables integration into KNX building systems.Optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for extended functions such as “pressure constant control” of EC fans, zone damper, brine ground heat exchanger (regulated pump), filter differential pressure measurement.Maximum device flexibility through various equipment and connection options.Modern modular device technology allows easy retrofitting (e.g. pre-heating, bypass) as well as high user-friendliness for service and maintenance.FeaturesHousingPowder-coated steel sheet housing.Colour: Traffic white, similar to RAL 9016.Filter change possible without tools.Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and thermal-insulating EPP material (average wall thickness 47 mm).EPP housing with very good hygienic / non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in the EPP housing.Unit surface and inner housing are easy to clean.Sound-absorbing inner lining in the supply air duct.Condensate drain via 1 ½“ sieve valve.Optional device siphon DN 40 (see accessories).FiltersISO Coarse 85 % (G4) filter in the exhaust air and ISO ePM1 80 % (F7) pollen filter in the outdoor air.Optional filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outdoor air possible to extend filter service life.Tool-free filter replacement.OperationReady for operation with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile control via app (Maico@home)Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO supply air or ECO exhaust air operationFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO exhaust / ECO supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO exhaust airFilter change and fault indicatorUSB connection for service / commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management systems www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the “EnOcean world” www.enocean-alliance.org.ControlStandard demand-controlled volume flow control (“relevant humidity value”).Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outdoor, exhaust and supply air.1 combined sensor (temperature and humidity) in the exhaust air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Multifunction contact for controlling e.g. brine ground heat exchanger (unregulated pump), operation and fault indication, pre- or post-heating coils, external flaps or cooling.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional push-button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for controlling:3-way flap (e.g. air ground heat exchanger)a regulated pump (e.g. brine ground heat exchanger)an air flap of a zone controlswitch contact use for external post-heating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure-controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with another building technology device such as a heat pump.Approvals and CertificatesDIBt approval.PH certification: all WS 320 left-hand versions.Test report according to DIN EN 13141-7.Certificate according to Swiss “energie-cluster.ch”.Hygiene certificates for housing material (EPP) and heat exchanger.Entry in TZWL bulletin.Heat Exchanger / Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 96 %.Moisture recovery up to 68 % (for ET units).Hygiene certificate (no bacteria, virus growth / virus transmission) according to VDI 6022, Sheet 1.Heat exchanger cleanable with water, antimicrobial.Units with enthalpy heat exchangers do not require a condensate connection.BypassIncluded in the "B" device variants.Modulating, automatic 100 % bypass for passive summer night cooling with adjustable minimum supply air temperature limit.Frost ProtectionPrevents heat exchanger freezing at low temperatures.Highly energy-efficient frost protection function in “K” device versions via demand-controlled, power-modulated electric PTC pre-heating coil.In “non-K” device versions by switching off the supply air fan.Recommendation: For “non-K” device versions, combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in supply and exhaust air.Energy-efficient EC DC motors with integrated constant volume flow control.Possibility of pressure constancy control via optional additional circuit board ZP 2.4 ventilation levels from 80 m³/h to 320 m³/h continuously adjustable.Installation NotesEasy, very time-saving installation with the wall bracket included in the delivery.Housing cover easily removable via practical magnetic closures.Provide silencers on supply and exhaust air sides.Note: All device variants (e.g. “K”) can be retrofitted to other device variants (e.g. “KRET”) later by optional components.Installation / Operation / Maintenance Wiring DiagramsInstallation and operating instructions: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | onlineInformation for Enthalpy Versions ArticleWS 320 KRETVolume Flow80 m³/h - 320 m³/hSEC average-39.1 kWh/(m²*a)Energy Efficiency ClassAType of CurrentAlternating currentRated Voltage230 VMains Frequency50 Hz / 60 HzPower Consumption according to DIN EN 13141-7 (A7)36 WStand-By Power Consumption< 1 WIMax11 AProtection ClassIP 40DIBt ApprovalyesPHI CertificationyesSPI Value0.22 Wh/m³Installation Locationstanding / wallSystem TypecentralHousing Materialgalvanised steel sheet, powder-coatedHeat Exchanger MaterialPlasticInner Lining MaterialPlastic EPPColourtraffic white (RAL 9016)Weight69.61 kgWeight with Packaging81.8 kgFilter ClassISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)Connection Diameter160 mmCondensate Drain Connection Diameter1 1/2" (sieve valve)Width841 mmHeight857 mmDepth598 mmWidth with Packaging900 mmHeight with Packaging1,120 mmDepth with Packaging650 mmTransport Medium Temperature at IMax-20 °C to 40 °CMax. Heat Supply Efficiency according to DIN EN 13141-7 (A7)93 %Heat Exchanger TypeEnthalpy cross-counterflowMoisture Recovery with Enthalpy Heat Exchanger according to DIN EN 13141-7 (A2)68 %Pre-heating Coil Power1.8 kWExhaust Air PositionrightBypassnoPre-heating CoilintegratedEnthalpy Heat ExchangeryesFrost Protection CircuityesSummer CircuitECO exhaust / ECO supplyFilter Monitoringtime-controlledHumidity ControlintegratedCO2 Control (optional)SKDAir Quality Control (optional)EAQ 10/3KNX Connection (optional)K-SMMODBUS InterfaceintegratedControl Unit IncludedRLS 1 WR, AppControl Unit (optional)RLS T2 WS, RLS G1 WSRadio Integration EnOcean (optional)E-SMMobile ControlyesSound Pressure Level Housing Radiation36 dB(A) / Distance 1 m, sound absorption 10 m²

WR 410 - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control and cross-counterflow heat exchanger, supply and extract air on the left, volume flow 80 - 470 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors required for connection to spiral ducting, including control unit RLS 1 WR, MAICO app for mobile device control, DIBt approval, Passive House certificate, KNX, Modbus, Loxone and EnOcean connectivity possibleWR 410 - Product DescriptionStandard VersionUnit in left-hand version.Highly efficient ventilation unit achieves energy efficiency class A without optional accessories.Brief DescriptionStandard version with cross-counterflow heat exchanger.Central compact, very quiet residential ventilation unit with heat recovery.For controlled supply and exhaust ventilation.Especially suitable for modern new builds and renovations.KfW funding eligibility and NRW funding available.Wall-mounted or standing installation (optional).ISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air. A filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air is possible to extend filter service life.All units are equipped with state-of-the-art cross-counterflow heat exchangers or enthalpy heat exchangers with hygiene certificates according to VDI 6022, Sheet 1.Complete separation of extract and supply air paths throughout the unit. This prevents unwanted recirculation operation. Viruses (e.g. coronavirus) and bacteria are thus not transmitted.Room air control RLS 1 WR included in delivery.All residential ventilation units can be controlled via app (Maico@home).Standard USB connection for commissioning, control updates and service.All units are equipped with highly energy-efficient fans in EC technology.The integrated/automatic constant volume flow control ensures permanent compliance with the set volume flow under all operating conditions (e.g. filter contamination, air valve settings). This also simplifies commissioning/air volume measurement at the valves.Standard integrated combined sensor (humidity/temperature) in the extract air enables demand-controlled ventilation operation as well as an intelligent frost protection and dehumidification strategy (over-humidity protection).All units feature a frost protection strategy adapted to the actual demand.In addition, all units have a multifunction contact for controlling e.g. brine-earth heat exchanger (unregulated pump), operating and fault indication, pre-heating or post-heating coil, external flaps or cooling.2 input contacts (12 V and 230 V) are available for e.g. safety shutdowns.Various inputs/outputs allow control connection to other building services devices, e.g. heat pump.Integrated MODBUS interface (TCP/IP and RTU) for integration into building management systems.Optional plug-in module K-SM enables integration into KNX building systems.Optional plug-in module E-SM enables integration into EnOcean systems.Optional additional circuit boards ZP 1 and ZP 2 for extended functions such as “pressure constant control” of EC fans, zone damper, brine-earth heat exchanger (regulated pump), filter differential pressure measurement.Maximum unit flexibility through various equipment/connection options.Modern modular unit technology allows easy retrofitting (e.g. pre-heating, bypass) as well as high user-friendliness for service and maintenance.HousingPowder-coated steel sheet housing.Colour: Traffic white, similar to RAL 9016.Filter change possible without tools.Tight, thermal bridge-free inner housing made of temperature-resistant, sound- and heat-insulating EPP material (average wall thickness 47 mm).EPP housing with very good hygienic / non-hygroscopic properties.Material tested by the Institute for Air Hygiene according to VDI 6022.Condensate tray integrated in EPP housing.Unit surface and inner housing are easy to clean.Sound-absorbing inner lining in the supply air duct.Condensate drain via 1 ½“ sieve valve.Optional unit siphon DN 40 (see accessories).FiltersISO Coarse 85 % (G4) filter in the extract air and ISO ePM1 80 % (F7) pollen filter in the outside air.Optional filter cascade (ISO Coarse 85 %/ISO ePM1 80 %) in the outside air possible to extend filter service life.Tool-free filter change.OperationReady for operation with on/off switch.Control unit RLS 1 WR included, 4 air levels, filter change indicator, fault indicator.Additional control units can be connected in parallel.Mobile control via app (Maico@home).Demand-controlled automatic operation / time-controlled automatic operationManual operation / OFFECO operation supply air or ECO operation extract airFilter queries, error messagesOptional touchscreen control unit RLS T2 WS for setting:2 automatic operating modes (Auto Sensor / Auto Time)4 manual operating modes (ECO Extract / ECO Supply / MANUAL / OFF)Complete commissioning of heat recovery units possibleOptional design control unit RLS G1 WS:ON/OFF5 levelsAutomatic operationECO supply air, ECO extract airFilter change and fault indicatorUSB connection for service / commissioning - free MAICO commissioning software.Network integration via integrated LAN interface.Smart home ready (e.g. Loxone via Modbus TCP/IP).Modbus TCP/IP and RTU integrated as standard.Optional KNX plug-in module K-SM for integration into building management www.knx.org.Optional EnOcean plug-in module E-SM for device integration into the “EnOcean world” www.enocean-allinace.org.ControlStandard demand-controlled volume flow control (“relevant humidity value”).Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outside, extract and supply air.1 combined sensor (temperature and humidity) in the extract air connection.Up to 4 external sensors of various types (CO2, VOC, humidity) can be connected.Multifunction contact for controlling e.g. brine-earth heat exchanger (unregulated pump), operating and fault indication, pre-heating or post-heating coil, external flaps or cooling.Inputs for safety shutdown via 12 V contact or 230 V contact (e.g. smoke detector, fire alarm, pressureless fireplace).Additional push-button input for triggering time-limited intensive ventilation (shock ventilation).Expandable via optional additional circuit board ZP 1 for controlling:3-way damper (e.g. air-earth heat exchanger)a regulated pump (e.g. brine-earth heat exchanger)an air damper of a zone controlswitch contact use for external post-heating coilExpandable via optional additional circuit board ZP 2 for:Pressure constancy of EC fansDifferential pressure controlled filter monitoringVarious inputs and outputs allow control connection of the ventilation unit with another building services device such as a heat pump.Approvals and CertificatesDIBt approval.PHI certificate: WR 310, WR 410.Test report according to DIN EN 13141-7.Certificate according to Swiss “energie-cluster.ch”.Hygiene certificates for housing material (EPP) and heat exchangers.Entry in TZWL bulletin.Heat Exchanger/Heat RecoveryHighly efficient cross-counterflow heat exchanger made of plastic (PS).Heat recovery up to 96 %.Hygiene certificate (no bacteria, virus growth / virus transmission) according to VDI 6022, Sheet 1.Heat exchanger washable with water, antimicrobial.Frost ProtectionPrevention of heat exchanger freezing at low temperatures by switching off the supply air fan.Recommendation: Combine heat recovery with a brine heat exchanger.FansForward-curved radial fans in the supply and extract air.Energy-efficient EC direct current motors with integrated constant volume flow control.Possibility of pressure constant control via optional additional circuit board ZP 2.4 ventilation levels from 80.. 320 m³/h (WR 310), or 80.. 470 m³/h (WR 410) continuously adjustable.Installation NotesEasy, very time-saving installation with the wall bracket included in the scope of delivery.Housing cover easily removable via practical magnetic closures.Provide silencers on supply and extract air sides.Note: All unit variants (e.g. “K”) can be retrofitted to other unit variants (e.g. “KRET”) later by optional components.Installation / Operation / Maintenance Wiring diagramsCustomer service request/orderInstallation and operating instructions wibutler: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | online ArticleWR 410Volume flow80 m³/h - 470 m³/hSEC average-38.8 kWh/(m²*a)Energy efficiency classAType of currentAlternating currentRated voltage230 VMains frequency50 Hz / 60 HzPower consumption according to DIN EN 13141-7 (A7)87 WStand-by power consumption< 1 WIMax2 AProtection classIP 40DIBt approvalyesPHI certificationyesSPI value0.31 Wh/m³Installation locationstanding / wallSystem typecentralHousing materialgalvanised steel sheet, powder-coatedHeat exchanger materialPlasticInner lining materialPlastic EPPColourtraffic white (RAL 9016)Weight64.2 kgWeight with packaging77.09 kgFilter classISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)Connection diameter160 mmConnection diameter condensate drain1 1/2" (sieve valve)Width841 mmHeight857 mmDepth598 mmWidth with packaging900 mmHeight with packaging1,120 mmDepth with packaging650 mmTransport medium temperature at IMax-20 °C to 40 °CMax. heat recovery rate according to DIN EN 13141-7 (A7)96 %Heat exchanger typeCross-counterflowExtract air positionleftBypassnoPre-heating coilnoEnthalpy heat exchangernoFrost protection circuityesSummer circuitECO extract air / ECO supply airFilter monitoringtime-controlledHumidity controlintegratedCO2 control (optional)SKDAir quality control (optional)EAQ 10/3KNX connection (optional)K-SMMODBUS interfaceintegratedControl unit includedRLS 1 WR, AppControl unit (optional)RLS T2 WS, RLS G1 WSRadio integration EnOcean (optional)E-SMMobile controlyesSound pressure level housing radiation42 dB(A) / distance 1 m, sound absorption 10 m²Approval numberZ-51.3-382Packaging unit1 pieceRangeKGTIN (EAN)4012799952282Article number0095.0228