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

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

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 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 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

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

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

WR 410 R - Brief InformationCentral high-efficiency ventilation units with EC fans, constant volume flow control and cross-counterflow heat exchanger, supply and extract air on the right, 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 R - Product DescriptionStandard VersionUnit configured as right-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. 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.All units also have a multifunction contact for controlling e.g. brine geothermal 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 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 geothermal 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 replacement.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 geothermal 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 geothermal heat exchanger)a regulated pump (e.g. brine geothermal 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 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.. 320 m³/h (WR 310), or 80.. 470 m³/h (WR 410) steplessly 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 extract 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 | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | online ArticleWR 410 RVolume 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 Supply Efficiency according to DIN EN 13141-7 (A7)96 %Heat Exchanger TypeCross-counterflowExtract Air PositionrightBypassnoPre-heating CoilnoEnthalpy Heat ExchangernoFrost 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 Radiation42 dB(A) / Distance 1 m, sound absorption 10 m²Approval NumberZ-51.3-382Packaging Unit1 pieceRangeKGTIN (EAN)4012799952619Article Number0095.0261

WS 320 KBRET room air system Heating coil, bypass, enthalpy, 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 enthalpy cross-counterflow heat exchanger and 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 enthalpy 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 casing 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 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 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 KBRET, delivery volume: 80 m3/h - 320 m3/h, SEC average: -40.2 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): 0.17 Wh/m3, Power consumption according to DIN EN 13141-7 (A7): 36 W, Stand-by power consumption: < 1 W, IMax: 11 A, Protection rating: IP 40, DIBT approval: applied for, 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: 69.612 kg, Weight with packaging: 81.8 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 to DIN EN 13141-7 (A7): 93 %, Heat exchanger type: enthalpy cross-counterflow, Humidity recovery with enthalpy heat exchanger to DIN EN 13141-7 (A2): 68 %, Pre-heating coil output: 1.8 kW, Bypass: yes, Pre-heating coil: integrated, Enthalpy heat exchanger: yes, 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: 93 %

WS 470 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 - 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 possibleWS 470 BR - Product DescriptionBypass VersionWith bypass and cross-counterflow heat exchanger.Unit designed for right-hand installation.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.Highly efficient ventilation unit achieves energy efficiency class A without optional accessories.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 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), 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 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 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 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 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 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-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 470 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 60% (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" 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 470 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") with optional components.Installation / Operation / Maintenance Wiring DiagramsCustomer Service Request/OrderInstallation and Operating Instructions: pdf | onlineSafety Instructions WS: pdf | onlineOperating Instructions: pdf | onlineInstallation, Commissioning and Maintenance Instructions: pdf | onlineQuick Start Operating Instructions: pdf | online ArticleWS 470 BRVolume 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)Weight67 kgWeight with Packaging79 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 Radiation42 dB(A) / distance 1 m, sound absorption 10 m²

WS 470 K room air system with preheating coil, up to 450 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 incl. preheating coil. 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 version: With preheating coil and cross-counterflow heat exchanger. Device as left-hand version. 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 without optional accessories. Particularly suitable for modern new builds and renovations. 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 % and humidity recovery up to 60 %. 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-time 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 470 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 470 K, delivery volume: 80 m3/h - 470 m3/h, SEC average: -40 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): 0.26 Wh/m3, Power consumption according to DIN EN 13141-7 (A7): 87 W, Stand-by power consumption: < 1 W, IMax: 11.5 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: 79 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-heater coil output: 1.8 kW, Bypass: no, 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: 42 dB(A) / distance 1 m, Sound absorption 10 m2, DC motor: true, Max. Speed: 2750 1/min, Heat recovery rate: 96 %

WS 470 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 - 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 possibleWS 470 KR - Product DescriptionComfort VersionWith pre-heating coil and cross-counterflow heat exchanger.Unit in right-hand version.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 without optional accessories.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 ground heat exchanger (unregulated pump), operating 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 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 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 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 device 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 air / ECO supply air / 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 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 services device such as a heat pump.Approvals and CertificatesDIBt approval.PH certification: all WS 470 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 60 % (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" 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: In “non-K” device 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 470 m³/h continuously adjustable.Installation InstructionsEasy, very time-saving installation with the wall bracket included in the scope of delivery.Housing cover easily removable via practical magnetic fasteners.Sound attenuators to be provided on supply and extract air sides.Note: All device variants (e.g. “K”) can be retrofitted to other device variants (e.g. “KRET”) with optional components.Installation / Operation / Maintenance Wiring diagramsCustomer service request/orderInstallation and operating instructions: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | online ArticleWS 470 KRVolume 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 WIMax11.5 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)Weight67 kgWeight with packaging79 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)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 radiation42 dB(A) / distance 1 m, sound absorption 10 m²

WS 470 KBR - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control, including pre-heating coil, bypass and cross-counterflow heat exchanger, supply and extract air on the right, 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 possibleWS 470 KBR - Product DescriptionComfort Bypass VersionWith pre-heating coil, bypass and cross-counterflow heat exchanger.Unit in right-hand version.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.Highly efficient ventilation unit achieves energy efficiency class A without optional accessories.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 EC technology fans.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 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 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. 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 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 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 470 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 60 % (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" 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: In "non-K" device 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 470 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 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") by optional components.Installation / Operation / Maintenance Wiring diagramsCustomer service request/orderInstallation and operating instructions: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | online ArticleWS 470 KBRVolume 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 WIMax11.5 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)Weight67.61 kgWeight with packaging79.77 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-counterflowPre-heating coil power1.8 kWExtract air positionrightBypassyesPre-heating coilintegratedEnthalpy heat exchangernoFrost 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 radiation42 dB(A) / distance 1 m, sound absorption 10 m²

WS 470 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, 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 possibleWS 470 RET - Product DescriptionStandard VersionWith enthalpy heat exchanger.Unit in right-hand version.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 without optional accessories.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 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 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.All units also have a multifunction contact for controlling e.g. brine ground 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 safety shutdowns, for example.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 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 extract 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 supply air operation or ECO extract 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 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 regulation (“relevant humidity value”).Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outdoor, 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 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 technology device such as a heat pump.Approvals and CertificatesDIBt approval.PH certification: all WS 470 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 60 % (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 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 470 m³/h continuously adjustable.Installation NotesLight, 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: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | onlineInformation for Enthalpy Versions ItemWS 470 RETVolume Flow80 m³/h - 470 m³/hSEC average-35.6 kWh/(m²*a)Energy Efficiency ClassAType of CurrentAlternating currentRated Voltage230 VMains Frequency50 Hz / 60 HzPower Consumption according to DIN EN 13141-7 (A7)85 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)Weight73 kgWeight with Packaging79 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)60 %Extract Air PositionrightBypassnoPre-heating 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 Radiation42 dB(A) / distance 1 m, sound absorption 10 m²

WS 470 BRET - Brief InformationCentral high-efficiency ventilation units with EC fans, constant volume flow control, including bypass and enthalpy heat exchanger, supply and extract air on the right, 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 possibleWS 470 BRET - Product DescriptionBypass VersionWith bypass and enthalpy heat exchanger.Unit designed for right-hand installation.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.Highly efficient ventilation unit achieves energy efficiency class A without optional accessories.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 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 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 and air volume balancing 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 ground heat exchanger (unregulated pump), operation 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 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 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 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 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 regulation (“relevant humidity value”).Stepless demand-controlled adjustment of air volumes.Integrated over-humidity protection function.3 temperature sensors in outdoor, 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), operation 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 technology device such as a heat pump.Approvals and CertificatesDIBT approval.PH certification: all WS 470 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 60 % (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.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 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 m³/h to 470 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”) with optional components.Installation / Operation / Maintenance Wiring DiagramsCustomer Service Request/OrderInstallation 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 470 BRETVolume Flow80 m³/h - 470 m³/hSEC average-35.6 kWh/(m²*a)Energy Efficiency ClassAType of CurrentAlternating CurrentRated Voltage230 VMains Frequency50 Hz / 60 HzPower Consumption according to DIN EN 13141-7 (A7)85 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)Weight73 kgWeight with Packaging80 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)60 %Extract Air PositionrightBypassyesPre-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 Radiation42 dB(A) / distance 1 m, sound absorption 10 m²

Plug set WS 75 S for WS 75 Powerbox S and HFeatures:Quality Made in GermanyPlug set - for easy sealing of holes.For sealing existing or broken-out holes in the EPP housing.Attractive design - neutral grey, compatible with any interior styleSuitable for continuous operation.Description:Plug set for sealing existing or broken-out holes in the EPP housing. Material: EPP. The plug set consists of eight EPP parts. Item: WS 75 S, installation location: ventilation unit, housing material: plastic EPP, colour: grey, weight: 0.0573 kg, weight with packaging: 0.074 kg, width: 264 mm, height: 154 mm, depth: 70 mm, width with packaging: 267 mm, height with packaging: 156 mm, depth with packaging: 100 mm

Heat exchanger ring, WRF 20 for WRG 20Features:Quality Made in GermanyReplacement heat exchange rings - for easy installationFor WRG 20, filter class G2Attractive design - compatible with any interior styleSuitable for continuous operation.Description:Replacement heat exchange rings for WRG 20.Artikel: WRF 20, Installation position: vertical / horizontal, Weight: 0.017 kg, Weight with packaging: 0.225 kg, Filter class: ISO Coarse 30 % (G2), Diameter: 200 mm, Width: 560 mm, Height: 75 mm, Depth: 14 mm, Width with packaging: 570 mm, Height with packaging: 100 mm, Depth with packaging: 80 mm, Ambient temperature: 40 °C, Suitable for box ventilators: no, Suitable for roof ventilators: no, Suitable for duct ventilators: no, Suitable for heat recovery systems: no, Suitable for wall-mounted ventilators: no, Suitable for wall-mounted ventilators: no, Suitable for domestic ventilators: no, Suitable for centrifugal ventilators: no, Suitable for circulation ventilators: no

WS 75 G4 - Brief InformationReplacement air filter for ventilation unit WS 75 Powerbox S and H, filter class ISO Coarse 80% (G4), 2 piecesWS 75 G4 - Product DescriptionReplacement air filter for ventilation unit WS 75 Powerbox S and H. ItemWS 75 G4Installation positionvertical / horizontalMaterialPlasticWeight0.04 kgWeight with packaging0.04 kgFilter typeDust filterFilter classISO Coarse 80% (G4)Width186 mmHeight114 mmDepth16 mmWidth with packaging235 mmHeight with packaging200 mmDepth with packaging32 mmPackaging unit2 piecesSuitable for productsWS 75RangeKGTIN (EAN)4012799992462Article number0093.1589

WS 470 ET - Brief InformationCentral highly efficient ventilation units with EC fans, constant volume flow control and enthalpy heat exchanger, supply and extract air on the left, volume flow 80 - 470 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 470 ET - Product DescriptionStandard VersionWith enthalpy heat exchanger.Unit in left-hand version.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 without optional accessories.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.All units also have a multifunction contact for controlling e.g. brine ground 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 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 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 470 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 60 % (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 470 m³/h continuously adjustable.Installation NotesLight, 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”) with optional components.Installation / Operation / Maintenance Wiring DiagramsCustomer Service Request/OrderInstallation 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 470 ETVolume Flow80 m³/h - 470 m³/hSEC average-35.6 kWh/(m²*a)Energy Efficiency ClassAType of CurrentAlternating CurrentRated Voltage230 VMains Frequency50 Hz / 60 HzPower Consumption according to DIN EN 13141-7 (A7)85 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)Weight73 kgWeight with Packaging79 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)60 %Extract Air PositionleftBypassnoPre-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 Radiation42 dB(A) / Distance 1 m, sound absorption 10 m²

WS 470 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 - 470 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 470 BET - Product DescriptionBypass VersionWith bypass and enthalpy heat exchanger.Unit in left-hand version.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.Highly efficient ventilation unit achieves energy efficiency class A without optional accessories.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 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 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 balancing 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 geothermal heat exchanger (unregulated pump), operating and fault indication, pre- 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 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 geothermal 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 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 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 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 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, 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 geothermal heat exchanger (unregulated pump), operating 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 damper (e.g. air geothermal heat exchanger)a regulated pump (e.g. brine geothermal 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 470 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 60% (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 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: 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 470 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 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: pdf | onlineSafety instructions WS: pdf | onlineOperating instructions: pdf | onlineInstallation, commissioning and maintenance instructions: pdf | onlineQuick start operating instructions: pdf | onlineInformation for enthalpy versions ArticleWS 470 BETVolume flow80 m³/h - 470 m³/hSEC average-35.6 kWh/(m²*a)Energy efficiency classAType of currentAlternating currentRated voltage230 VMains frequency50 Hz / 60 HzPower consumption according to DIN EN 13141-7 (A7)85 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)Weight67.61 kgWeight with packaging79.77 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 mmMedium 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)60 %Extract air positionleftBypassyesPre-heating 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 radiation42 dB(A) / distance 1 m, sound absorption 10 m²

Room air control RLS 1 WR for WS 160 Flat, WS 170, WR 300/400/600Features:Quality Made in GermanyRoom air control - for easy installationIncluded in the scope of delivery of WS 160 Flat, WS 170, WR 310/WR 410, WS 320, WS 470 and WR 600. Filter change and fault indication via LED. Incl. adapter plate for flush-mounted box.Attractive design - compatible with any furnishing styleSuitable for continuous operation.Description:Included with the WS 160 Flat, WS 170, WR 310 / WR 410, WS 320, WS 470 and WR 600 ventilation units. Additional control units can be connected in parallel. Setting of 4 ventilation levels via buttons. With filter change message via LED. With fault indication via LED. Supplied with adapter plate for flush-mounted box. Control cable to the device LiYY 7x0.34 mm2. Power supply via the WS/WR deviceste.Artikel: RLS 1 WR, Voltage type: Alternating current, Rated voltage: 12 V, Material: Plastic, Plastic details: Polystyrene, PVC-free, Weight: 0.088 kg, Weight with packaging: 0.1 kg, Width: 80 mm, Height: 80 mm, Depth: 35 mm, Width with packaging: 87 mm, Height with packaging: 87 mm, Depth with packaging: 45 mm, Suitable for box ventilators: no, Suitable for roof ventilators: no, Suitable for tube ventilators: no, Suitable for heat recovery systems: yes, Suitable for wall-mounted ventilators: no, Suitable for wall-mounted ventilators: no, Suitable for domestic ventilators: yes, Suitable for centrifugal ventilators: no, Suitable for circulation ventilators: no

WS 75 F7 - Brief InformationReplacement air filter for ventilation unit WS 75 Powerbox S and H, filter class ISO ePM1 60% (F7), 1 pieceWS 75 F7 - Product DescriptionReplacement air filter for ventilation unit WS 75 Powerbox S and H. ArticleWS 75 F7Installation positionvertical / horizontalMaterialPlasticWeight0.06 kgWeight with packaging0.07 kgFilter typePollen filterFilter classISO ePM1 60% (F7)Width173 mmHeight116 mmDepth29 mmWidth with packaging240 mmHeight with packaging210 mmDepth with packaging32 mmPackaging unit1 pieceSuitable for productsWS 75RangeKGTIN (EAN)4012799992455Article number0093.1588

Shutter set WS 75 V for room air control RLS G1 WSFeatures:Quality Made in GermanyLocking set - for a simple connection.The locking set allows the RLS G1 WS room air control unit to be installed in a flush-mounted box.Attractive design - neutral white colour, compatible with any interior style Suitable for continuous operation. Description:Locking set for the WS 75 Powerbox room air control. The RLS G1 WS room air control can thus be installed in a flush-mounted box werden.Artikel: WS 75 V, material: glass, colour: white, weight: 0.156 kg, weight with packaging: 0.256 kg, width: 127 mm, height: 90 mm, depth: 15 mm, width with packaging: 265 mm, height with packaging: 165 mm, depth with packaging: 49 mm

VOC 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 existing volatile organic compounds.Attractive design - Neutral green, compatible with any interior styleSuitable for continuous operation.Description:The combination sensor has three probes: temperature, humidity, and VOC. The ventilation unit is controlled according to the measured humidity values and existing volatile organic compounds.Article: WS 75 VOC, Installation location: ventilation unit, Material: plastic, Colour: green, Weight: 0.01 kg, Weight with packaging: 0.024 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