Roof fans

DZD 25/4 D - Brief InformationAxial roof fan, horizontal discharge, DN 250, three-phase currentDZD 25/4 D - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, contact protection according to DIN EN ISO 13857.Stable lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1.High ventilation-side efficiency, low operating noise.Increased durability due to high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust air operation, flow direction blowing over the motor.Three-Phase MotorType series: DZD.Asynchronous motor.Rated voltage 400 V, 50 Hz.Protection class DZD ... D IP 54.Protection class DZD ... B IP 55.Speed controllable. Devices can be switched in steps with an optional 5-step transformer.Reversible.Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction.Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site).The connections are potential-free on terminals and must be connected to a motor full protection switch, e.g. MV 25-1, or the control circuit of a contactor.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller contact protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed laid electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel. Galvanized protective grille on the outlet side, contact protection according to DIN EN ISO 13857. Stable lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1. High ventilation-side efficiency, low operating noise. Increased durability due to high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust air operation, flow direction blowing over the motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54. Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in steps with an optional 5-step transformer. Reversible. Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction. Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site). The connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller contact protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed laid electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: DZD 25/4 D, air volume: 800 m3/h, speed: 1425 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: three-phase current, rated voltage: 400 V, mains frequency: 50 Hz, rated power: 50 W, IMax: 0.14 A, protection class: IP 54, thermal class: B, mains cable: 5 / 1.5 mm2, installation location: roof, installation position: vertical, material: sheet steel, galvanized, colour: silver, weight: 11.51 kg, weight with packaging: 13.93 kg, nominal diameter: 250 mm, width: 570 mm, height: 570 mm, depth: 325 mm, width with packaging: 610 mm, height with packaging: 610 mm, depth with packaging: 360 mm, conveyed medium temperature at rated current: -20 °C to 60 °C, conveyed medium temperature at IMax: -20 °C to 60 °C

EZD 25/4 D - Brief InformationAxial roof fan, horizontal discharge, DN 250, alternating currentEZD 25/4 D - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857.Stable transport eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans meet the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (except EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust air operation, flow direction blowing over the motor.Alternating Current MotorType series EZD.Asynchronous motor.Rated voltage 230 V, 50 Hz.Fans "... B" and "... D": Capacitor motors with running capacitor in the terminal box.Fans "... E": Shaded-pole motors.Protection class EZD... D and ... E IP 54.Protection class EZD... B IP 55.Speed controllable. Exception: EZD 35/4 B.Devices can be continuously controlled with optional speed controllers or switched in steps with an optional 5-step transformer.Reversible. Exception: For fans with shaded-pole motor ("... E").Reversing operation: The volume flow decreases by approx. 35% in abnormal flow direction.Thermal overload protection standard.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an additional cost:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis.

Brief description: Housing, base plate, inlet nozzle and rain protection bonnet made of galvanised sheet steel. Galvanised protective grille on the outlet side, contact protection in accordance with DIN EN ISO 13857. Sturdy transport lugs enable transport by crane. 8-blade impeller made of glass fibre-reinforced polyamide. Thermal overload protection as standard. Fans fulfil the requirements of the European Ecodesign Regulation (EC) Nr.327/2011 Directive 2009/125/EC. Vibration-free operation thanks to dynamically balanced impeller and motor (shaft-rotor), in accordance with quality level 6.3, DIN ISO 1940, Part 1. High efficiency on the ventilation side, low operating noise. Increased durability thanks to high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customised special voltages available as special versions on request and at extra cost. Can be switched for ventilation or exhaust with a separate switch (exception EZD ... E). Conveying direction: The conveying direction is labelled. Standard exhaust air operation, conveying direction blowing via motor. AC motor: Asynchronous motor. Rated voltage 230 V, 50 Hz. Fans ... B and ... D: Capacitor motors with operating capacitor in the terminal box. Fans ... E: Shaded-pole motors. Protection class EZD... D and ... E IP 54. protection class EZD... B IP 55. Speed controllable. Devices can be controlled continuously with optional speed controllers or they can be switched in steps with an optional 5-step transformer. Reversible. Exception: For fans with shaded-pole motor (... E). Reversible operation: The volume flow is reduced by approx. 35 % if the direction of air flow is abnormal. Thermal overload protection as standard. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 z.B. with Maico protective grille SG. A professional fixed installation with horizontal installation position, permanently installed electrical supply line and correct air routing via shaft or pipe is vorgeschrieben.Artikel: EZD 25/4 E, flow rate: 720 m3/h, speed: 1280 1/min, impeller type: axial, speed controllable: yes, reversibility: no, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz, rated power: 50 W, INenn: 0.28 A, IMax: 0.28 A, protection class: IP 54, thermal class: B, installation location: roof, installation position: vertical, material: sheet steel, galvanised, colour: silver, weight: 11.51 kg, weight with packaging: 13.93 kg, nominal diameter: 250 mm, width: 570 mm, height: 570 mm, depth: 325 mm, width with packaging: 610 mm, height with packaging: 610 mm, depth with packaging: 360 mm, fluid temperature at nominal current: -20 °C to 60 °C, fluid temperature at IMax: -20 °C to 60 °C

DZD 60/4 B - Brief InformationAxial roof fan, horizontal discharge, DN600, three-phase currentDZD 60/4 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857.Stable lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust operation, flow direction blowing over the motor.Three-Phase MotorType series: DZD.Asynchronous motor.Rated voltage 400 V, 50 Hz.Protection class DZD ... D IP 54.Protection class DZD ... B IP 55.Speed controllable. Devices can be switched in steps with an optional 5-step transformer.Reversible.Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction.Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site).Connections are potential-free on terminals and must be connected to a motor full protection switch, e.g. MV 25-1, or the control circuit of a contactor.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel. Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857. Stable lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust operation, flow direction blowing over the motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54. Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in steps with an optional 5-step transformer. Reversible. Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction. Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site). Connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: DZD 60/4 B, volume flow: 9920 m3/h, nominal volume flow: 6050 m3/h / at optimum efficiency, pressure pfs, nominal: 175 Pa - at optimum efficiency, speed nNominal: 1330 1/min - at optimum efficiency, speed: 1337 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: three-phase current, rated voltage: 400 V, mains frequency: 50 Hz, rated power: 1445 W / at optimum efficiency, rated current: 2.4 A / at optimum efficiency, max current: 3.1 A, protection class: IP 55, thermal class: F, mains cable: 7 / 1.5 mm2, installation location: roof, installation position: vertical, material: sheet steel, galvanized, colour: silver, weight: 53 kg, weight with packaging: 61 kg, nominal diameter: 600 mm, width: 1100 mm, height: 1100 mm, depth: 460 mm, width with packaging: 1101 mm, height with packaging: 1101 mm, depth with packaging: 520 mm, conveyed medium temperature at rated current: -20 °C to 60 °C, conveyed medium temperature at max current: -20 °C to 60 °C, overall efficiency e: 34.8 %, measurement category: C, efficiency category: static, efficiency grade N: 40.2, year of manufacture: see type plate, manufacturer name / official registration number / manufacturer’s location: Maico Elektroapparate-Fabrik GmbH / Register court Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / volume flow BEP / pfs, BEP: 1.43 kW / 10490 m3/h / 171 Pa, nBEP: 1330 1/min, specific ratio: approx. 1, information on disassembly and disposal: see installation instructions, information on installation, operation and maintenance: see installation instructions, items used in efficiency measurement not described by the measurement category: -, sound power level LWA7: 94 dB(A)

Brief description: Housing, base plate, inlet nozzle and rain protection bonnet made of galvanised sheet steel. Galvanised protective grille on the outlet side, contact protection in accordance with DIN EN ISO 13857. Sturdy transport lugs enable transport by crane. 8-blade impeller made of glass fibre-reinforced polyamide. Thermal overload protection as standard. Fans fulfil the requirements of the European Ecodesign Regulation (EC) Nr.327/2011 Directive 2009/125/EC. Vibration-free operation thanks to dynamically balanced impeller and motor (shaft-rotor), in accordance with quality level 6.3, DIN ISO 1940, Part 1. High efficiency on the ventilation side, low operating noise. Increased durability thanks to high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customised special voltages available as special versions on request and at extra cost. Can be switched for ventilation or exhaust with a separate switch (exception EZD ... E). Conveying direction: The conveying direction is labelled. Standard exhaust air operation, conveying direction blowing via motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54 Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in steps with an optional 5-step transformer. Reversible. Reversible operation: The volume flow is reduced by approx. 35 % if the flow direction is abnormal. Thermal overload protection as standard. Exception: For type DZD 25/4 D (motor protection switch is provided on site). The connections are potential-free on terminals and must be connected to a full motor circuit breaker z.B. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 z.B. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air routing via shaft or pipe is vorgeschrieben.Artikel: DZD 60/6 B, delivery volume: 7030 m3/h, nominal delivery volume: 4320 m3/h / in opt. efficiency, pressure pfs, nominal: 88 Pa - in opt. efficiency, speed nnom. Efficiency, Speed nNominal: 935 1/min - in opt. efficiency, Speed: 938 1/min, Impeller type: axial, Speed controllable: yes, Reversible: yes, Voltage type: three-phase, Rated voltage: 400 V, Mains frequency: 50 Hz, Rated power: 530 W / in opt. efficiency, INenn: 1.1 A / in opt. Efficiency, IMax: 1.3 A, Protection rating: IP 55, Thermal class: F, Mains cable: 7 / 1.5 mm2, Installation location: Roof, Installation position: Vertical, Material: Sheet steel, galvanised, Colour: Silver, Weight: 45.5 kg, Weight with packaging: 53 kg, Nominal width: 600 mm, Width: 1100 mm, Height: 1100 mm, Depth: 460 mm, Width with packaging: 1101 mm, Height with packaging: 1101 mm, Depth with packaging: 500 mm, Fluid temperature at nominal flow: -20 °C to 60 °C, Fluid temperature at IMax: -20 °C to 60 °C, Total efficiency e: 32.1 %, Measurement category: C, Efficiency category: static, Efficiency grade N: 40.3, Year of manufacture: see nameplate, Manufacturer's name / Official registration number / Place of establishment: Maico Elektroapparate-Fabrik GmbH / Registergericht Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / delivery volumeBEP / Pfs, BEP: 0.507 kW / 7410 m3/h / 79 Pa, nBEP: 935 1/min, specific ratio: approx. 1, Information on disassembly and disposal: see installation instructions, Information on installation, operation and maintenance: see installation instructions, Items used in the efficiency measurement that are not described by the measurement category: Determination of energy efficiency without protective grille and roof bonnet. Sound power levelLWA7: 84 dB(A)

DZD 50/4 B - Brief InformationAxial roof fan, horizontal discharge, DN 500, three-phase currentDZD 50/4 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, contact protection according to DIN EN ISO 13857.Stable lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust operation, flow direction blowing over the motor.Three-Phase MotorType series: DZD.Asynchronous motor.Rated voltage 400 V, 50 Hz.Protection class DZD ... D IP 54.Protection class DZD ... B IP 55.Speed controllable. Devices can be switched in steps with an optional 5-step transformer.Reversible.Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction.Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site).The connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25-1 or the control circuit of a contactor.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller contact protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel. Galvanized protective grille on the outlet side, contact protection according to DIN EN ISO 13857. Stable lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust operation, flow direction blowing over the motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54. Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in steps with an optional 5-step transformer. Reversible. Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction. Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site). The connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller contact protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: DZD 50/4 B, volume flow: 6170 m3/h, nominal volume flow: 3600 m3/h / at optimum efficiency, pressure pfs, nominal: 140 Pa - at optimum efficiency, speed nNominal: 1400 1/min - at optimum efficiency, speed: 1405 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: three-phase current, rated voltage: 400 V, mains frequency: 50 Hz, rated power: 665 W / at optimum efficiency, I nominal: 1.2 A / at optimum efficiency, I max: 1.4 A, protection class: IP 55, thermal class: F, mains cable: 7 / 1.5 mm2, installation location: roof, installation position: vertical, material: sheet steel, galvanized, colour: silver, weight: 38.5 kg, weight with packaging: 45.5 kg, nominal diameter: 500 mm, width: 940 mm, height: 940 mm, depth: 420 mm, width with packaging: 941 mm, height with packaging: 941 mm, depth with packaging: 510 mm, conveyed medium temperature at nominal current: -20 °C to 60 °C, conveyed medium temperature at I max: -20 °C to 60 °C, overall efficiency e: 36.7 %, measurement category: C, efficiency category: static, efficiency grade N: 44.2, year of manufacture: see type plate, manufacturer name / official registration number / manufacturer’s location: Maico Elektroapparate-Fabrik GmbH / Register Court Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / volume flow BEP / pfs, BEP: 0.645 kW / 6550 m3/h / 130 Pa, nBEP: 1400 1/min, specific ratio: approx. 1, information on disassembly and disposal: see installation instructions, information on installation, operation and maintenance: see installation instructions, items used in efficiency measurement not described by the measurement category: Determination of energy efficiency without protective grille and roof hood. Sound power level LWA7: 91 dB(A)

DZD 50/6 B - Brief InformationAxial roof fan, horizontal discharge, DN 500, three-phase currentDZD 50/6 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857.Stable lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust operation, flow direction blowing over the motor.Three-Phase MotorType series: DZD.Asynchronous motor.Rated voltage 400 V, 50 Hz.Protection class DZD ... D IP 54.Protection class DZD ... B IP 55.Speed controllable. Devices can be switched in steps with an optional 5-step transformer.Reversible.Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction.Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch provided on site).The connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25-1 or the control circuit of a contactor.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed laid electrical supply line and correct air guidance via shaft or pipe is required.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel. Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857. Stable lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust operation, flow direction blowing over the motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54. Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in steps with an optional 5-step transformer. Reversible. Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction. Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch provided on site). The connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed laid electrical supply line and correct air guidance via shaft or pipe is required. Article: DZD 50/6 B, volume flow: 4160 m3/h, nominal volume flow: 2450 m3/h / at optimum efficiency, pressure pfs, nominal: 62 Pa - at optimum efficiency, speed nNominal: 945 1/min - at optimum efficiency, speed: 947 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: three-phase current, rated voltage: 400 V, mains frequency: 50 Hz, rated power: 245 W / at optimum efficiency, I nominal: 0.65 A / at optimum efficiency, I max: 0.7 A, protection class: IP 55, thermal class: B, mains cable: 7 / 1.5 mm2, installation location: roof, installation position: vertical, material: sheet steel, galvanized, colour: silver, weight: 38 kg, weight with packaging: 45 kg, nominal diameter: 500 mm, width: 940 mm, height: 940 mm, depth: 420 mm, width with packaging: 941 mm, height with packaging: 941 mm, depth with packaging: 510 mm, conveyed medium temperature at nominal current: -20 °C to 60 °C, conveyed medium temperature at I max: -20 °C to 60 °C, overall efficiency e: 30.1 %, measurement category: C, efficiency category: static, efficiency grade N: 40.4, year of manufacture: see type plate, manufacturer name / official registration number / manufacturer's location: Maico Elektroapparate-Fabrik GmbH / Register court Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / volume flow BEP / pfs, BEP: 0.24 kW / 4340 m3/h / 60 Pa, nBEP: 945 1/min, specific ratio: approx. 1, information on disassembly and disposal: see installation instructions, information on installation, operation and maintenance: see installation instructions, items used in efficiency measurement not described by the measurement category: Determination of energy efficiency without protective grille and roof hood. Sound power level LWA7: 80 dB(A)

DZD 40/4 B - Brief InformationAxial roof fan, horizontal discharge, DN 400, three-phase currentDZD 40/4 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857.Stable lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust air operation, flow direction blowing over the motor.Three-Phase MotorType series: DZD.Asynchronous motor.Rated voltage 400 V, 50 Hz.Protection class DZD ... D IP 54.Protection class DZD ... B IP 55.Speed controllable. Devices can be switched in steps with an optional 5-step transformer.Reversible.Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction.Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site).The connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25-1 or the control circuit of a contactor.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel. Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857. Stable lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust air operation, flow direction blowing over the motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54. Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in steps with an optional 5-step transformer. Reversible. Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction. Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site). The connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: DZD 40/4 B, volume flow: 3260 m3/h, nominal volume flow: 1770 m3/h / at optimum efficiency, pressure pfs, nominal: 90 Pa - at optimum efficiency, speed nNominal: 1365 1/min - at optimum efficiency, speed: 1377 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: three-phase current, rated voltage: 400 V, mains frequency: 50 Hz, rated power: 244 W / at optimum efficiency, INominal: 0.6 A / at optimum efficiency, IMax: 0.65 A, protection class: IP 55, thermal class: B, mains cable: 7 / 1.5 mm2, installation location: roof, installation position: vertical, material: sheet steel, galvanized, colour: silver, weight: 26.63 kg, weight with packaging: 32 kg, nominal diameter: 400 mm, width: 830 mm, height: 830 mm, depth: 415 mm, width with packaging: 865 mm, height with packaging: 865 mm, depth with packaging: 460 mm, conveyed medium temperature at rated current: -20 °C to 60 °C, conveyed medium temperature at IMax: -20 °C to 60 °C, overall efficiency e: 29.8 %, measurement category: C, efficiency category: static, efficiency grade N: 40.1, year of manufacture: see type plate, manufacturer name / official registration number / manufacturer's location: Maico Elektroapparate-Fabrik GmbH / Register court Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / volume flow BEP / Pfs, BEP: 0.24 kW / 3070 m3/h / 84 Pa, nBEP: 1370 1/min, specific ratio: approx. 1, information on disassembly and disposal: see installation instructions, information on installation, operation and maintenance: see installation instructions, items used in efficiency measurement not described by the measurement category: Determination of energy efficiency without protective grille and roof hood. Sound power level LWA7: 79 dB(A)

Brief description: Housing, base plate, inlet nozzle and rain protection bonnet made of galvanised sheet steel. Galvanised protective grille on the outlet side, contact protection in accordance with DIN EN ISO 13857. Sturdy transport lugs enable transport by crane. 8-blade impeller made of glass fibre-reinforced polyamide. Thermal overload protection as standard. Fans fulfil the requirements of the European Ecodesign Regulation (EC) Nr.327/2011 Directive 2009/125/EC. Vibration-free operation thanks to dynamically balanced impeller and motor (shaft-rotor), in accordance with quality level 6.3, DIN ISO 1940, Part 1. High efficiency on the ventilation side, low operating noise. Increased durability thanks to high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customised special voltages available as special versions on request and at extra cost. Can be switched for ventilation or exhaust with a separate switch (exception EZD ... E). Conveying direction: The conveying direction is labelled. Standard exhaust air operation, conveying direction blowing via motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54 Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in steps with an optional 5-step transformer. Reversible. Reversible operation: The volume flow is reduced by approx. 35 % if the flow direction is abnormal. Thermal overload protection as standard. Exception: For type DZD 25/4 D (motor protection switch is provided on site). The connections are potential-free on terminals and must be connected to a full motor circuit breaker z.B. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 z.B. with Maico protective grille SG. A professional fixed installation with horizontal installation position, permanently installed electrical supply line and correct air routing via shaft or pipe is vorgeschrieben.Artikel: DZD 35/4 B, flow rate: 2325 m3/h, nominal flow rate: 1210 m3/h / in opt. efficiency, pressure pfs, nominal: 80 Pa - in opt. efficiency, speed nnom. Efficiency, Speed nNominal: 1470 1/min - in opt. efficiency, Speed: 1478 1/min, Impeller type: axial, Speed controllable: yes, Reversibility: yes, Voltage type: three-phase, Rated voltage: 400 V, Mains frequency: 50 Hz, Rated power: 145 W / in opt. efficiency, INenn: 0.57 A / in opt. Efficiency, IMax: 0.6 A, Protection rating: IP 55, Thermal class: B, Mains cable: 7 / 1.5 mm2, Installation location: Roof, Installation position: Vertical, Material: Sheet steel, galvanised, Colour: Silver, Weight: 23.8 kg, Weight with packaging: 28.36 kg, Nominal width: 355 mm, Width: 720 mm, Height: 720 mm, Depth: 380 mm, Width with packaging: 795 mm, Height with packaging: 795 mm, Depth with packaging: 435 mm, Fluid temperature at nominal flow: -20 °C to 60 °C, Fluid temperature at IMax: -20 °C to 60 °C, Total efficiency e: 28.8 %, Measurement category: C, Efficiency category: static, Efficiency grade N: 40.6, Year of manufacture: see nameplate, Manufacturer's name / Official registration number / Place of establishment: Maico Elektroapparate-Fabrik GmbH / Registergericht Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / delivery volumeBEP / Pfs, BEP: 0.135 kW / 2120 m3/h / 66 Pa, nBEP: 1475 1/min, specific ratio: approx. 1, Information on disassembly and disposal: see installation instructions, Information on installation, operation and maintenance: see installation instructions, Items used in the efficiency measurement that are not described by the measurement category: Determination of energy efficiency without protective grille and roof bonnet. Sound power levelLWA7: 78 dB(A)

DZD 30/2 B - Brief InformationAxial roof fan, horizontal discharge, DN 300, three-phase currentDZD 30/2 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857.Robust lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust air operation, flow direction blowing over the motor.Three-Phase MotorType series: DZD.Asynchronous motor.Rated voltage 400 V, 50 Hz.Protection class DZD ... D IP 54.Protection class DZD ... B IP 55.Speed controllable. Devices can be switched in stages with an optional 5-step transformer.Reversible.Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction.Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site).Connections are potential-free on terminals and must be connected to a motor full protection switch, e.g. MV 25-1, or the control circuit of a contactor.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel. Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857. Robust lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust air operation, flow direction blowing over the motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54. Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in stages with an optional 5-step transformer. Reversible. Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction. Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site). Connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: DZD 30/2 B, volume flow: 3100 m3/h, nominal volume flow: 2040 m3/h / at optimum efficiency, pressure pfs, nominal: 135 Pa - at optimum efficiency, speed nNominal: 2830 1/min - at optimum efficiency, speed: 2920 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: three-phase current, rated voltage: 400 V, mains frequency: 50 Hz, nominal power: 380 W / at optimum efficiency, I nominal: 0.85 A / at optimum efficiency, I max: 1 A, protection class: IP 55, thermal class: B, mains cable: 7 / 1.5 mm2, installation location: roof, installation position: vertical, material: sheet steel, galvanized, colour: silver, weight: 20.12 kg, weight with packaging: 24.01 kg, nominal diameter: 300 mm, width: 660 mm, height: 660 mm, depth: 375 mm, width with packaging: 710 mm, height with packaging: 725 mm, depth with packaging: 420 mm, conveyed medium temperature at nominal current: -20 °C to 60 °C, conveyed medium temperature at I max: -20 °C to 60 °C, overall efficiency e: 34.3 %, measurement category: C, efficiency category: static, efficiency grade N: 43.2, year of manufacture: see type plate, manufacturer name / official registration number / manufacturer's branch location: Maico Elektroapparate-Fabrik GmbH / Register court Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / volume flow BEP / pfs, BEP: 0.385 kW / 2640 m3/h / 180 Pa, nBEP: 2830 1/min, specific ratio: approx. 1, information on disassembly and disposal: see installation instructions, information on installation, operation and maintenance: see installation instructions, items used in efficiency measurement not described by the measurement category: Determination of energy efficiency without protective grille and roof hood. Sound power level LWA7: 89 dB(A)

DZD 30/4 B - Brief InformationAxial roof fan, horizontal discharge, DN 300, three-phase currentDZD 30/4 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857.Robust transport eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust air operation, flow direction blowing over the motor.Three-Phase MotorType series: DZD.Asynchronous motor.Rated voltage 400 V, 50 Hz.Protection class DZD ... D IP 54.Protection class DZD ... B IP 55.Speed controllable. Devices can be switched in steps with an optional 5-step transformer.Reversible.Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction.Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site).The connections are potential-free on terminals and must be connected to a motor full protection switch, e.g. MV 25-1, or the control circuit of a contactor.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel. Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857. Robust transport eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust air operation, flow direction blowing over the motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54. Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in steps with an optional 5-step transformer. Reversible. Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction. Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch to be provided on site). The connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: DZD 30/4 B, air volume: 1400 m3/h, speed: 1450 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: three-phase current, rated voltage: 400 V, mains frequency: 50 Hz, rated power: 100 W, rated current: 0.35 A, max current: 0.35 A, protection class: IP 55, thermal class: B, mains cable: 7 / 1.5 mm2, installation location: roof, installation position: vertical, material: sheet steel, galvanized, colour: silver, weight: 16.86 kg, weight with packaging: 20.75 kg, nominal diameter: 300 mm, width: 660 mm, height: 660 mm, depth: 375 mm, width with packaging: 710 mm, height with packaging: 725 mm, depth with packaging: 420 mm, conveyed medium temperature at rated current: -20 °C to 60 °C, conveyed medium temperature at max current: -20 °C to 60 °C

DZD 25/2 B - Brief InformationAxial roof fan, horizontal discharge, DN 250, three-phase currentDZD 25/2 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanised sheet steel.Galvanised protective grille on the outlet side, touch protection according to DIN EN ISO 13857.Robust lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust operation, flow direction blowing over the motor.Three-Phase MotorType series: DZD.Asynchronous motor.Rated voltage 400 V, 50 Hz.Protection class DZD ... D IP 54.Protection class DZD ... B IP 55.Speed controllable. Devices can be switched in stages with an optional 5-step transformer.Reversible.Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction.Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch provided on site).Connections are potential-free on terminals and must be connected to a motor full protection switch, e.g. MV 25-1, or the control circuit of a contactor.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed laid electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanised sheet steel. Galvanised protective grille on the outlet side, touch protection according to DIN EN ISO 13857. Robust lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust operation, flow direction blowing over the motor. Three-phase motor: Asynchronous motor. Rated voltage 400 V, 50 Hz. Protection class DZD ... D IP 54. Protection class DZD ... B and ... E IP 55. Speed controllable. Devices can be switched in stages with an optional 5-step transformer. Reversible. Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction. Thermal overload protection standard. Exception: For type DZD 25/4 D (motor protection switch provided on site). Connections are potential-free on terminals and must be connected to a motor full protection switch e.g. MV 25 or the control circuit of a contactor. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed laid electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: DZD 25/2 B, volume flow: 1840 m3/h, nominal volume flow: 1100 m3/h / at optimum efficiency, pressure pfs, nominal: 125 Pa - at optimum efficiency, speed nNominal: 2830 1/min - at optimum efficiency, speed: 2844 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: three-phase current, rated voltage: 400 V, mains frequency: 50 Hz, rated power: 170 W / at optimum efficiency, I nominal: 0.35 A / at optimum efficiency, I max: 0.4 A, protection class: IP 55, thermal class: B, mains cable: 7 / 1.5 mm2, installation location: roof, installation position: vertical, material: galvanised sheet steel, colour: silver, weight: 14.19 kg, weight with packaging: 16.65 kg, nominal diameter: 250 mm, width: 570 mm, height: 570 mm, depth: 325 mm, width with packaging: 615 mm, height with packaging: 615 mm, depth with packaging: 370 mm, conveyed medium temperature at nominal current: -20 °C to 60 °C, conveyed medium temperature at I max: -20 °C to 60 °C, overall efficiency e: 29.2 %, measurement category: C, efficiency category: static, efficiency grade N: 40.2, year of manufacture: see type plate, manufacturer name / official registration number / manufacturer’s registered office: Maico Elektroapparate-Fabrik GmbH / Register Court Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / volume flow BEP / Pfs, BEP: 0.179 kW / 1540 m3/h / 122 Pa, nBEP: 2853 1/min, specific ratio: approx. 1, information on disassembly and disposal: see installation instructions, information on installation, operation and maintenance: see installation instructions, items used in efficiency measurement not described by the measurement category: Determination of energy efficiency without protective grille and roof hood. Sound power level LWA7: 91 dB(A)

EZD 50/6 B - Brief InformationAxial roof fan, horizontal discharge, DN 500, alternating currentEZD 50/6 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, contact protection according to DIN EN ISO 13857.Stable lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust operation, flow direction blowing over the motor.Alternating Current MotorType series EZD.Asynchronous motor.Rated voltage 230 V, 50 Hz.Fans "... B" and "... D": Capacitor motors with running capacitor in the terminal box.Fans "... E": Shaded-pole motors.Protection class EZD... D and ... E IP 54.Protection class EZD... B IP 55.Speed controllable. Exception: EZD 35/4 B.Devices can be continuously controlled with optional speed controllers or switched in steps with an optional 5-step transformer.Reversible. Exception: For fans with shaded-pole motor ("... E").Reversing operation: The volume flow decreases by approx. 35% in abnormal flow direction.Thermal overload protection standard.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller contact protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel. Galvanized protective grille on the outlet side, contact protection according to DIN EN ISO 13857. Stable lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust operation, flow direction blowing over the motor. Alternating current motor: Asynchronous motor. Rated voltage 230 V, 50 Hz. Fans ... B and ... D: Capacitor motors with running capacitor in the terminal box. Fans ... E: Shaded-pole motors. Protection class EZD... D and ... E IP 54. Protection class EZD... B IP 55. Speed controllable. Devices can be continuously controlled with optional speed controllers or switched in steps with an optional 5-step transformer. Reversible. Exception: For fans with shaded-pole motor (... E). Reversing operation: The volume flow decreases by approx. 35% in abnormal flow direction. Thermal overload protection standard. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller contact protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: EZD 50/6 B, volume flow: 4040 m3/h, nominal volume flow: 2560 m3/h / at optimum efficiency, pressure pfs, nominal: 55 Pa - at optimum efficiency, speed nNominal: 945 1/min - at optimum efficiency, speed: 947 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz, rated power: 245 W / at optimum efficiency, INominal: 1.1 A / at optimum efficiency, IMax: 1.3 A, protection class: IP 55, thermal class: B, installation location: roof, installation position: vertical, material: sheet steel, galvanized, colour: silver, weight: 33 kg, weight with packaging: 40 kg, nominal diameter: 500 mm, width: 940 mm, height: 940 mm, depth: 420 mm, width with packaging: 941 mm, height with packaging: 941 mm, depth with packaging: 510 mm, conveyed medium temperature at nominal current: -20 °C to 60 °C, conveyed medium temperature at IMax: -20 °C to 60 °C, overall efficiency e: 30.1 %, measurement category: C, efficiency category: static, efficiency grade N: 40.3, year of manufacture: see type plate, manufacturer name / official registration number / manufacturer's location: Maico Elektroapparate-Fabrik GmbH / Register court Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / volume flow BEP / Pfs, BEP: 0.245 kW / 4350 m3/h / 61 Pa, nBEP: 945 1/min, specific ratio: approx. 1, information on disassembly and disposal: see installation instructions, information on installation, operation and maintenance: see installation instructions, items used in efficiency measurement not described by the measurement category: -, sound power level LWA7: 79 dB(A)

Brief description: Housing, base plate, inlet nozzle and rain protection bonnet made of galvanised sheet steel. Galvanised protective grille on the outlet side, contact protection in accordance with DIN EN ISO 13857. Sturdy transport lugs enable transport by crane. 8-blade impeller made of glass fibre-reinforced polyamide. Thermal overload protection as standard. Fans fulfil the requirements of the European Ecodesign Regulation (EC) Nr.327/2011 Directive 2009/125/EC. Vibration-free operation thanks to dynamically balanced impeller and motor (shaft-rotor), in accordance with quality level 6.3, DIN ISO 1940, Part 1. High efficiency on the ventilation side, low operating noise. Increased durability thanks to high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customised special voltages available as special versions on request and at extra cost. Can be switched for ventilation or exhaust with a separate switch (exception EZD ... E). Conveying direction: The conveying direction is labelled. Standard exhaust air operation, conveying direction blowing via motor. AC motor: Asynchronous motor. Rated voltage 230 V, 50 Hz. Fans ... B and ... D: Capacitor motors with operating capacitor in the terminal box. Fans ... E: Shaded-pole motors. Protection class EZD... D and ... E IP 54. protection class EZD... B IP 55. Speed controllable. Devices can be controlled continuously with optional speed controllers or they can be switched in steps with an optional 5-step transformer. Reversible. Exception: For fans with shaded-pole motor (... E). Reversible operation: The volume flow is reduced by approx. 35 % if the direction of air flow is abnormal. Thermal overload protection as standard. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 z.B. with Maico protective grille SG. A professional fixed installation with horizontal installation position, permanently installed electrical supply line and correct air routing via shaft or pipe is vorgeschrieben.Artikel: EZD 40/4 B, delivery volume: 3330 m3/h, nominal delivery volume: 1970 m3/h / in opt. efficiency, pressure pfs, nominal: 84 Pa - in opt. efficiency, speed nnom. Efficiency, Speed nNominal: 1400 1/min - in opt. efficiency, Speed: 1413 1/min, Impeller type: axial, Speed controllable: yes, Reversibility: yes, Voltage type: alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz, Rated power: 235 W / in opt. efficiency, INenn: 0.95 A / in opt. Efficiency, IMax: 1.4 A, Protection rating: IP 55, Thermal class: F, Installation location: Roof, Installation position: Vertical, Material: Galvanised sheet steel, Colour: Silver, Weight: 27 kg, Weight with packaging: 32 kg, Nominal width: 400 mm, Width: 830 mm, Height: 830 mm, Depth: 415 mm, Width with packaging: 870 mm, Height with packaging: 870 mm, Depth with packaging: 460 mm, Conveying medium temperature at nominal current: -20 °C to 60 °C, Conveying medium temperature at IMax: -20 °C to 60 °C, Total efficiency e: 33.5 %, Measurement category: C, Efficiency category: static, Efficiency grade N: 43.9, Year of manufacture: see nameplate, Manufacturer's name / Official registration number / Place of establishment: Maico Elektroapparate-Fabrik GmbH / Registergericht Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / delivery volumeBEP / Pfs, BEP: 0.225 kW / 3270 m3/h / 83 Pa, nBEP: 1410 1/min, specific ratio: approx. 1, Information on dismantling and disposal: see installation instructions, Information on installation, operation and maintenance: see installation instructions, Items used in the efficiency measurement that are not described by the measurement category: Determination of energy efficiency without protective grille and roof bonnet. Sound power levelLWA7: 80 dB(A)

EZD 35/4 B - Brief InformationAxial roof fan, horizontal discharge, DN 355, alternating currentEZD 35/4 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanised sheet steel.Galvanised protective grille on the outlet side, touch protection according to DIN EN ISO 13857.Robust lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust air operation, flow direction blowing over the motor.Alternating Current MotorType series EZD.Asynchronous motor.Rated voltage 230 V, 50 Hz.Fans "... B" and "... D": Capacitor motors with run capacitor in the terminal box.Fans "... E": Shaded-pole motors.Protection class EZD... D and ... E IP 54.Protection class EZD... B IP 55.Speed controllable. Exception: EZD 35/4 B.Devices can be continuously controlled with optional speed controllers or switched in steps with an optional 5-step transformer.Reversible. Exception: For fans with shaded-pole motor ("... E").Reversing operation: The volume flow decreases by approx. 35% in abnormal flow direction.Thermal overload protection standard.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller’s touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal mounting position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at extra cost:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanised sheet steel. Galvanised protective grille on the outlet side, touch protection according to DIN EN ISO 13857. Robust lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra cost. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust air operation, flow direction blowing over the motor. Alternating current motor: Asynchronous motor. Rated voltage 230 V, 50 Hz. Fans ... B and ... D: Capacitor motors with run capacitor in the terminal box. Fans ... E: Shaded-pole motors. Protection class EZD... D and ... E IP 54. Protection class EZD... B IP 55. Speed controllable. Devices can be continuously controlled with optional speed controllers or switched in steps with an optional 5-step transformer. Reversible. Exception: For fans with shaded-pole motor (... E). Reversing operation: The volume flow decreases by approx. 35% in abnormal flow direction. Thermal overload protection standard. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller’s touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal mounting position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: EZD 35/4 B, volume flow: 2280 m3/h, nominal volume flow: 1330 m3/h / at optimum efficiency, pressure pfs, nominal: 65 Pa - at optimum efficiency, speed nNominal: 1450 1/min - at optimum efficiency, speed: 1457 1/min, impeller type: axial, speed controllable: no, reversibility: yes, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz, rated power: 125 W / at optimum efficiency, I nominal: 0.5 A / at optimum efficiency, I max: 0.65 A, protection class: IP 55, thermal class: B, installation location: roof, installation position: vertical, material: galvanised sheet steel, colour: silver, weight: 23.41 kg, weight with packaging: 28 kg, nominal diameter: 355 mm, width: 720 mm, height: 720 mm, depth: 380 mm, width with packaging: 790 mm, height with packaging: 790 mm, depth with packaging: 425 mm, conveyed medium temperature at nominal current: -20 °C to 60 °C, conveyed medium temperature at I max: -20 °C to 60 °C, overall efficiency e: 31.4 %, measurement category: C, efficiency category: static, efficiency grade N: 43.6, year of manufacture: see type plate, manufacturer name / official registration number / manufacturer’s registered office: Maico Elektroapparate-Fabrik GmbH / Register Court Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / volume flow BEP / pfs, BEP: 0.12 kW / 2090 m3/h / 65 Pa, nBEP: 1455 1/min, specific ratio: approx. 1, information on disassembly and disposal: see installation instructions, information on installation, operation and maintenance: see installation instructions, items used in efficiency measurement not described by the measurement category: Determination of energy efficiency without protective grille and roof hood. Sound power level LWA7: 78 dB(A)

Brief description: Housing, base plate, inlet nozzle and rain protection bonnet made of galvanised sheet steel. Galvanised protective grille on the outlet side, contact protection in accordance with DIN EN ISO 13857. Sturdy transport lugs enable transport by crane. 8-blade impeller made of glass fibre-reinforced polyamide. Thermal overload protection as standard. Fans fulfil the requirements of the European Ecodesign Regulation (EC) Nr.327/2011 Directive 2009/125/EC. Vibration-free operation thanks to dynamically balanced impeller and motor (shaft-rotor), in accordance with quality level 6.3, DIN ISO 1940, Part 1. High efficiency on the ventilation side, low operating noise. Increased durability thanks to high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customised special voltages available as special versions on request and at extra cost. Can be switched for ventilation or exhaust with a separate switch (exception EZD ... E). Conveying direction: The conveying direction is labelled. Standard exhaust air operation, conveying direction blowing via motor. AC motor: Asynchronous motor. Rated voltage 230 V, 50 Hz. Fans ... B and ... D: Capacitor motors with operating capacitor in the terminal box. Fans ... E: Shaded-pole motors. Protection class EZD... D and ... E IP 54. protection class EZD... B IP 55. Speed controllable. Devices can be controlled continuously with optional speed controllers or they can be switched in steps with an optional 5-step transformer. Reversible. Exception: For fans with shaded-pole motor (... E). Reversible operation: The volume flow is reduced by approx. 35 % if the direction of air flow is abnormal. Thermal overload protection as standard. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 z.B. with Maico protective grille SG. A professional fixed installation with horizontal installation position, permanently installed electrical supply line and correct air routing via shaft or pipe is vorgeschrieben.Artikel: EZD 30/2 B, flow rate: 3090 m3/h, nominal flow rate: 2060 m3/h / in opt. efficiency, pressure pfs, nominal: 135 Pa - in opt. efficiency, speed n nominal: 2060 m3/h / in opt. efficiency, pressure pfs, nominal: 135 Pa - in opt. Efficiency, Speed nNominal: 2810 1/min - in opt. efficiency, Speed: 2820 1/min, Impeller type: axial, Speed controllable: yes, Reversible: yes, Voltage type: alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz, Rated power: 375 W / in opt. efficiency, INenn: 1.7 A / in opt. Efficiency, IMax: 2.3 A, Protection rating: IP 55, Thermal class: B, Installation location: Roof, Installation position: Vertical, Material: Galvanised sheet steel, Colour: Silver, Weight: 20.35 kg, Weight with packaging: 24.22 kg, Nominal width: 300 mm, Width: 660 mm, Height: 660 mm, Depth: 375 mm, Width with packaging: 725 mm, Height with packaging: 725 mm, Depth with packaging: 430 mm, Fluid temperature at nominal flow: -20 °C to 60 °C, Fluid temperature at IMax: -20 °C to 60 °C, Total efficiency e: 34.2 %, Measurement category: C, Efficiency category: static, Efficiency grade N: 43.1, Year of manufacture: see rating plate, Manufacturer's name / Official registration number / Place of establishment: Maico Elektroapparate-Fabrik GmbH / Registergericht Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / delivery volumeBEP / Pfs, BEP: 0.38 kW / 2670 m3/h / 175 Pa, nBEP: 2810 1/min, specific ratio: approx. 1, Information on disassembly and disposal: see installation instructions, Information on installation, operation and maintenance: see installation instructions, Items used in the efficiency measurement that are not described by the measurement category: Determination of energy efficiency without protective grille and roof bonnet. Sound power levelLWA7: 89 dB(A)

Brief description: Housing, base plate, inlet nozzle and rain protection bonnet made of galvanised sheet steel. Galvanised protective grille on the outlet side, contact protection in accordance with DIN EN ISO 13857. Sturdy transport lugs enable transport by crane. 8-blade impeller made of glass fibre-reinforced polyamide. Thermal overload protection as standard. Fans fulfil the requirements of the European Ecodesign Regulation (EC) Nr.327/2011 Directive 2009/125/EC. Vibration-free operation thanks to dynamically balanced impeller and motor (shaft-rotor), in accordance with quality level 6.3, DIN ISO 1940, Part 1. High efficiency on the ventilation side, low operating noise. Increased durability thanks to high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customised special voltages available as special versions on request and at extra cost. Can be switched for ventilation or exhaust with a separate switch (exception EZD ... E). Conveying direction: The conveying direction is labelled. Standard exhaust air operation, conveying direction blowing via motor. AC motor: Asynchronous motor. Rated voltage 230 V, 50 Hz. Fans ... B and ... D: Capacitor motors with operating capacitor in the terminal box. Fans ... E: Shaded-pole motors. Protection class EZD... D and ... E IP 54. protection class EZD... B IP 55. Speed controllable. Devices can be controlled continuously with optional speed controllers or they can be switched in steps with an optional 5-step transformer. Reversible. Exception: For fans with shaded-pole motor (... E). Reversible operation: The volume flow is reduced by approx. 35 % if the direction of air flow is abnormal. Thermal overload protection as standard. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 z.B. with Maico protective grille SG. A professional fixed installation with horizontal installation position, permanently installed electrical supply line and correct air routing via shaft or pipe is vorgeschrieben.Artikel: EZD 30/4 B, flow rate: 1400 m3/h, speed: 1450 1/min, impeller type: axial, speed controllable: yes, reversible: yes, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz, rated power: 90 W, INenn: 0.45 A, IMax: 0.45 A, protection class: IP 55, Thermal class: B, Installation location: Roof, Installation position: Vertical, Material: Galvanised sheet steel, Colour: Silver, Weight: 16.88 kg, Weight with packaging: 20.75 kg, Nominal diameter: 300 mm, Width: 660 mm, Height: 660 mm, Depth: 375 mm, Width with packaging: 725 mm, Height with packaging: 725 mm, Depth with packaging: 430 mm, Conveying medium temperature at nominal current: -20 °C to 60 °C, Conveying medium temperature at IMax: -20 °C to 60 °C

Brief description: Housing, base plate, inlet nozzle and rain protection bonnet made of galvanised sheet steel. Galvanised protective grille on the outlet side, contact protection in accordance with DIN EN ISO 13857. Sturdy transport lugs enable transport by crane. 8-blade impeller made of glass fibre-reinforced polyamide. Thermal overload protection as standard. Fans fulfil the requirements of the European Ecodesign Regulation (EC) Nr.327/2011 Directive 2009/125/EC. Vibration-free operation thanks to dynamically balanced impeller and motor (shaft-rotor), in accordance with quality level 6.3, DIN ISO 1940, Part 1. High efficiency on the ventilation side, low operating noise. Increased durability thanks to high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customised special voltages available as special versions on request and at extra cost. Can be switched for ventilation or exhaust with a separate switch (exception EZD ... E). Conveying direction: The conveying direction is labelled. Standard exhaust air operation, conveying direction blowing via motor. AC motor: Asynchronous motor. Rated voltage 230 V, 50 Hz. Fans ... B and ... D: Capacitor motors with operating capacitor in the terminal box. Fans ... E: Shaded-pole motors. Protection class EZD... D and ... E IP 54. protection class EZD... B IP 55. Speed controllable. Devices can be controlled continuously with optional speed controllers or they can be switched in steps with an optional 5-step transformer. Reversible. Exception: For fans with shaded-pole motor (... E). Reversible operation: The volume flow is reduced by approx. 35 % if the direction of air flow is abnormal. Thermal overload protection as standard. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 z.B. with Maico protective grille SG. A professional fixed installation with horizontal installation position, permanently installed electrical supply line and correct air routing via shaft or pipe is vorgeschrieben.Artikel: EZD 30/6 B, flow rate: 880 m3/h, speed: 940 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz, rated power: 65 W, INenn: 0.33 A, IMax: 0.33 A, protection class: IP 55, thermal class: B, installation location: roof, installation position: vertical, material: sheet steel, galvanised, colour: silver, weight: 15.61 kg, weight with packaging: 19.56 kg, nominal diameter: 300 mm, width: 570 mm, height: 570 mm, depth: 375 mm, width with packaging: 725 mm, height with packaging: 725 mm, depth with packaging: 430 mm, fluid temperature at nominal current: -20 °C to 60 °C, fluid temperature at IMax: -20 °C to 60 °C

EZD 25/2 B - Brief InformationAxial roof fan, horizontal discharge, DN 250, alternating currentEZD 25/2 B - Product DescriptionBrief DescriptionHousing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel.Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857.Robust lifting eyes allow transport by crane.8-blade impeller made of glass fibre reinforced polyamide.Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC.Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1.High ventilation-side efficiency, low operating noise.Increased durability through high-quality materials such as low-noise ball bearings.Fans are maintenance-free.Switchable for supply or exhaust air with separate switch (exception EZD ... E).Flow DirectionThe flow direction is marked.Standard exhaust operation, flow direction blowing over the motor.Alternating Current MotorType series EZD.Asynchronous motor.Rated voltage 230 V, 50 Hz.Fans "... B" and "... D": Capacitor motors with running capacitor in the terminal box.Fans "... E": Shaded-pole motors.Protection class EZD... D and ... E IP 54.Protection class EZD... B IP 55.Speed controllable. Exception: EZD 35/4 B.Devices can be continuously controlled with optional speed controllers or switched in steps with an optional 5-step transformer.Reversible. Exception: For fans with shaded-pole motor ("... E").Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction.Thermal overload protection standard.Electrical ConnectionConnection cable, approx. 1.7 m long.Safety InstructionsThe fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG.A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory.Special VersionsThe following special versions are available on request and at an extra charge:Special voltages and frequencies.Fans with increased corrosion protection.Impellers made of aluminium.Information for operation at occasional temperatures below -20 °C is available on request.When operating with frequency converters, consultation with the factory is absolutely necessary.Feasibility must be checked on a case-by-case basis. Brief description: Housing, base plate, inlet nozzle and weather protection hood made of galvanized sheet steel. Galvanized protective grille on the outlet side, touch protection according to DIN EN ISO 13857. Robust lifting eyes allow transport by crane. 8-blade impeller made of glass fibre reinforced polyamide. Thermal overload protection standard. Fans comply with the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), according to quality grade 6.3, DIN ISO 1940, Part 1. High ventilation-side efficiency, low operating noise. Increased durability through high-quality materials such as low-noise ball bearings. Fans are maintenance-free. Reversible operation of the fans possible. Customer-specific special voltages available as special versions on request and at extra charge. Switchable for supply or exhaust air with separate switch (exception EZD ... E). Flow direction: The flow direction is marked. Standard exhaust operation, flow direction blowing over the motor. Alternating current motor: Asynchronous motor. Rated voltage 230 V, 50 Hz. Fans ... B and ... D: Capacitor motors with running capacitor in the terminal box. Fans ... E: Shaded-pole motors. Protection class EZD... D and ... E IP 54. Protection class EZD... B IP 55. Speed controllable. Devices can be continuously controlled with optional speed controllers or switched in steps with an optional 5-step transformer. Reversible. Exception: For fans with shaded-pole motor (... E). Reversing operation: The volume flow decreases by approx. 35% with abnormal flow direction. Thermal overload protection standard. Electrical connection: Connection cable, approx. 1.7 m long. Safety instructions: The fan may only be put into operation if the impeller touch protection according to DIN EN ISO 13857 is ensured, e.g. with Maico protective grille SG. A professional fixed installation with horizontal installation position, fixed electrical supply line and correct air guidance via shaft or pipe is mandatory. Article: EZD 25/2 B, volume flow: 1900 m3/h, nominal volume flow: 1290 m3/h / at optimum efficiency, pressure pfs, nominal: 112 Pa - at optimum efficiency, speed nNominal: 2930 1/min - at optimum efficiency, speed: 2954 1/min, impeller type: axial, speed controllable: yes, reversibility: yes, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz, rated power: 180 W / at optimum efficiency, rated current: 1 A / at optimum efficiency, max current: 1.3 A, protection class: IP 55, thermal class: F, installation location: roof, installation position: vertical, material: galvanized sheet steel, colour: silver, weight: 16.87 kg, weight with packaging: 19.24 kg, nominal diameter: 250 mm, width: 570 mm, height: 570 mm, depth: 325 mm, width with packaging: 615 mm, height with packaging: 615 mm, depth with packaging: 375 mm, conveyed medium temperature at rated current: -20 °C to 60 °C, conveyed medium temperature at max current: -20 °C to 60 °C, overall efficiency e: 29.2 %, measurement category: C, efficiency category: static, efficiency grade N: 40.2, year of manufacture: see type plate, manufacturer name / official registration number / manufacturer’s location: Maico Elektroapparate-Fabrik GmbH / Register Court Freiburg, HRB 601233 / Villingen-Schwenningen, PBEP / volume flow BEP / pfs BEP: 0.185 kW / 1570 m3/h / 124 Pa, nBEP: 2920 1/min, specific ratio: approx. 1, information on disassembly and disposal: see installation instructions, information on installation, operation and maintenance: see installation instructions, items used in efficiency measurement not described by the measurement category: Determination of energy efficiency without protective grille and roof hood. Sound power level LWA7: 86 dB(A)

Version with speed setpoint adjuster: Speed setpoint control, Setting of 2 setpoints possible, Day/night changeover, External ON/OFF switching possible, Status repair switch Potential-free contact (can be loaded up to 230 V/2A), Motor fault signal Potential-free contact (can be loaded up to 230 V/2A), Attractive housing made of galvanised sheet steel, Galvanised protective grille on the outlet side, Protection against accidental contact in accordance with EN ISO 13857, Cover can be easily removed for cleaning, Automatic fault signal, Integrated repair switch, Protection class IP55, Sturdy transport lugs enable transport by crane, Complies with DIN EN 60204-1 and DIN EN 60335-1, Control: Intelligent control options via Modbus, 0-10 V, PWM or pressure control, Output of fault messages, Pressure sensor built into the fan housing of the PG variants ready for operation. Motor and impeller: EC motor, 230 V, 50 Hz, or 400 V 50 Hz, overload protection as standard, no measures required for motor protection, Electrical connection: Common mains connection (230 V, 50 Hz or 400 V, 50 Hz) for fan and impeller. 400 V, 50 Hz) for fan and control, Mains connections each 3 x 1.5 mm2 (or 7x 1.5 mm 3) of type NYM-J, Control cable from 0.5 mm2, Connection terminals for speed control via 0-10 V, PWM or potentiometer, Connection terminal for status speed output (MDR 22 EC, MDR 25 EC, MDR 31 EC), Connection terminal for Modbus output (MDR 22 EC, MDR 25 EC, MDR 31 EC), Connection terminal for fault messagesArticle: MDR-VG 31 EC, delivery volume: 3640 m3/h, nominal delivery volume: 2095 m3/h, pressure pfs, nominal: 432 Pa, nominal speed n: 2100 1/min, impeller type: radial, speed controllable: no, reversibility: no, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz, rated power: 485 W, INenn: 2.13 A, IMax: 2.3 A, Protection rating: IP 55, Thermal class: F, Pole-changing: no, Installation location: Roof, Installation position: Vertical, Weight: 43 kg, Weight with packaging: 45.274 kg, Swivelling: no, Nominal width: 315 mm, Width: 720 mm, Height: 547 mm, Depth: 720 mm, Width with packaging: 755 mm, Height with packaging: 575 mm, Depth with packaging: 755 mm, Fluid temperature at IMax: -25 °C to 60 °C, Temperature class: F, Total efficiency e: 51.8 %, Year of manufacture: see nameplate, Manufacturer's name / Official registration number / Manufacturer's place of business: Maico Elektroapparate-Fabrik GmbH / Registergericht Freiburg, HRB 601233, PBEP / Conveying volumeBEP / Pfs, BEP: 0.485 kW / 2095 m3/h / 432 Pa, Information on dismantling and disposal: see installation instructions, Information on installation, operation and maintenance: see installation instructions, Items used in the efficiency measurement that are not described by the measurement category: -, Sound power levelLWA5: 80 dB

EHD 31 - Brief InformationMini roof fan for private or commercial use, DN 315EHD 31 - Product DescriptionFeaturesSpace-saving roof fan with extremely compact dimensions.For ventilation.Attractive housing made of galvanized and powder-coated sheet steel.Cover made of aluminium.The cover is easily removable for cleaning purposes.Coated protective grille.Radial impeller with backward-curved blades.Protection class IP X5.MotorExternal rotor capacitor motor.Operating capacitor ready connected in the terminal box.Speed controllable.Thermal overload protection as standard.Robust motor with ball bearings, maintenance-free.Installation InstructionsThanks to its low weight, no crane or hoist is required to transport the EHD /2 EC onto the roof.Electrical ConnectionConnection to terminal strip inside the housing.Safety InstructionsWhen operating with free intake, the fan may only be put into operation if the impeller’s contact protection according to DIN EN ISO 13857 is ensured. Space-saving roof fan with extremely compact dimensions. For ventilation. Attractive housing made of galvanized and powder-coated sheet steel. Cover made of aluminium. The cover is easily removable for cleaning purposes. Coated protective grille. Radial impeller with backward-curved blades. Protection class IP X5. Motor: External rotor capacitor motor. Operating capacitor ready connected in the terminal box. Speed controllable. Thermal overload protection as standard. Robust motor with ball bearings, maintenance-free. Installation instructions: Thanks to its low weight, no crane or hoist is required to transport the EHD onto the roof. Electrical connection: Connection to terminal strip inside the housing. Safety instructions: When operating with free intake, the fan may only be put into operation if the impeller’s contact protection according to DIN EN ISO 13857 is ensured. Article: EHD 31, Airflow volume: 1160 m3/h, Impeller type: radial, Speed controllable: yes, Reversibility: no, Energy efficiency class: C, Voltage type: alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz, Rated power: 247 W, IMax: 1.1 A, Protection class: IP X5, Pole changeable: no, Power cable: 3 / 1.5 mm2, Installation location: roof, Installation position: vertical, Material: galvanized sheet steel, Weight: 9.8 kg, Weight with packaging: 11.4 kg, Nominal diameter: 315 mm, Width: 484 mm, Height: 484 mm, Depth: 358 mm, Width with packaging: 555 mm, Height with packaging: 575 mm, Depth with packaging: 415 mm, Medium temperature at IMax: -20 °C to 60 °C, Sound pressure level: 55 dB(A) / distance 3 m, Free field conditions

Space-saving roof ventilator with extremely small dimensions. For ventilation. Elegant housing made of galvanised and powder-coated sheet steel. Aluminium cover. The cover can be easily removed for cleaning. Coated mesh guard. Radial impeller with backward curved blades. Protection class IP X5. Motor: External rotor capacitor motor. Run capacitor ready for connection in terminal box. Speed controllable. Thermal overload protection as standard. Robust motor with ball bearing, maintenance-free. Installation instructions: Thanks to its low weight, no crane or goods lift is required to transport the EHD to the roof. Electrical connection: Connection to terminal strip in the housing. Safety instructions: With free intake, the fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 ist.Artikel: EHD 25, air volume: 825 m3/h, impeller type: radial, speed controllable: yes, reversible: no, energy efficiency class: C, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz, rated power: 148 W, IMax: 0.65 A, protection class: IP X5, pole-changing: no, Mains cable: 3 / 1.5 mm2, Installation location: Roof, Installation position: Vertical, Material: Galvanised sheet steel, Weight: 8 kg, Weight with packaging: 8.775 kg, Nominal diameter: 250 mm, Width: 405 mm, Height: 405 mm, Depth: 302 mm, Width with packaging: 435 mm, Height with packaging: 415 mm, Depth with packaging: 340 mm, Fluid temperature at IMax: -20 °C to 50 °C, Sound pressure level: 55 dB(A) / distance 3 m, Free field conditions

Space-saving roof ventilator with extremely small dimensions. For ventilation. Elegant housing made of galvanised and powder-coated sheet steel. Aluminium cover. The cover can be easily removed for cleaning. Coated mesh guard. Radial impeller with backward curved blades. Protection class IP X5. Motor: External rotor capacitor motor. Run capacitor ready for connection in terminal box. Speed controllable. Thermal overload protection as standard. Robust motor with ball bearing, maintenance-free. Installation instructions: Thanks to its low weight, no crane or goods lift is required to transport the EHD to the roof. Electrical connection: Connection to terminal strip in the housing. Safety instructions: With free intake, the fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 ist.Artikel: EHD 20, Delivery volume: 755 m3/h, Impeller type: radial, Speed controllable: yes, Reversible: no, Energy efficiency class: C, Voltage type: AC, Rated voltage: 230 V, Mains frequency: 50 Hz, Rated power: 107 W, IMax: 0.47 A, Protection class: IP X5, Pole-changing: no, Mains cable: 3 / 1.5 mm2, Installation location: Roof, Installation position: Vertical, Material: Galvanised sheet steel, Weight: 7.7 kg, Weight with packaging: 8.505 kg, Nominal width: 200 mm, Width: 405 mm, Height: 405 mm, Depth: 302 mm, width with packaging: 435 mm, height with packaging: 415 mm, depth with packaging: 340 mm, fluid temperature at IMax: -20 °C to 50 °C, sound pressure level: 55 dB(A) / distance 3 m, free field conditions

EHD 16 - Brief InformationMini roof fan for private or commercial use, DN 160EHD 16 - Product DescriptionFeaturesSpace-saving roof fan with extremely compact dimensions.For ventilation.Attractive housing made of galvanized and powder-coated sheet steel.Cover made of aluminium.The cover is easily removable for cleaning purposes.Coated protective grille.Radial impeller with backward-curved blades.Protection class IP X5.MotorExternal rotor capacitor motor.Operating capacitor ready to connect in the terminal box.Speed controllable.Thermal overload protection as standard.Robust motor with ball bearings, maintenance-free.Installation InstructionsThanks to its low weight, no crane or hoist is required to transport the EHD /2 EC onto the roof.Electrical ConnectionConnection to terminal strip inside the housing.Safety InstructionsWhen operating with free intake, the fan may only be put into operation if the impeller’s touch protection according to DIN EN ISO 13857 is ensured. Space-saving roof fan with extremely compact dimensions. For ventilation. Attractive housing made of galvanized and powder-coated sheet steel. Cover made of aluminium. The cover is easily removable for cleaning purposes. Coated protective grille. Radial impeller with backward-curved blades. Protection class IP X5. Motor: External rotor capacitor motor. Operating capacitor ready to connect in the terminal box. Speed controllable. Thermal overload protection as standard. Robust motor with ball bearings, maintenance-free. Installation instructions: Thanks to its low weight, no crane or hoist is required to transport the EHD onto the roof. Electrical connection: Connection to terminal strip inside the housing. Safety instructions: When operating with free intake, the fan may only be put into operation if the impeller’s touch protection according to DIN EN ISO 13857 is ensured. Article: EHD 16, Airflow volume: 700 m3/h, Impeller type: radial, Speed controllable: yes, Reversibility: no, Energy efficiency class: C, Voltage type: alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz, Rated power: 102 W, IMax: 0.45 A, Protection class: IP X5, Pole changeable: no, Power cable: 3 / 1.5 mm2, Installation location: roof, Installation position: vertical, Material: sheet steel, galvanized, Weight: 7.1 kg, Weight with packaging: 7.875 kg, Nominal diameter: 160 mm, Width: 405 mm, Height: 405 mm, Depth: 302 mm, Width with packaging: 435 mm, Height with packaging: 415 mm, Depth with packaging: 340 mm, Medium temperature at IMax: -20 °C to 70 °C, Sound pressure level: 54 dB(A) / distance 3 m, Free field conditions

Space-saving roof ventilator with extremely small dimensions. For ventilation. Elegant housing made of galvanised and powder-coated sheet steel. Aluminium cover. The cover can be easily removed for cleaning. Coated mesh guard. Radial impeller with backward curved blades. Protection class IP X5. Motor: External rotor capacitor motor. Run capacitor ready for connection in terminal box. Speed controllable. Thermal overload protection as standard. Robust motor with ball bearing, maintenance-free. Installation instructions: Thanks to its low weight, no crane or goods lift is required to transport the EHD to the roof. Electrical connection: Connection to terminal strip in the housing. Safety instructions: With free intake, the fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857 ist.Artikel: EHD 15, Delivery volume: 550 m3/h, Impeller type: radial, Speed controllable: yes, Reversible: no, Energy efficiency class: C, Voltage type: alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz, Rated power: 82 W, IMax: 0.36 A, Protection class: IP X5, Pole-changing: no, Mains cable: 3 / 1.5 mm2, Installation location: Roof, Installation position: Vertical, Material: Galvanised sheet steel, Weight: 6.7 kg, Weight with packaging: 7.51 kg, Nominal width: 150 mm, Width: 405 mm, Height: 405 mm, Depth: 302 mm, width with packaging: 435 mm, height with packaging: 415 mm, depth with packaging: 340 mm, fluid temperature at IMax: -20 °C to 60 °C, sound pressure level: 52 dB(A) / distance 3 m, free field conditions

EHD 12 - Brief InformationMini roof fan for private or commercial use, DN 125EHD 12 - Product DescriptionFeaturesSpace-saving roof fan with extremely compact dimensions.For ventilation.Attractive housing made of galvanized and powder-coated sheet steel.Cover made of aluminium.The cover is easily removable for cleaning purposes.Coated protective grille.Radial impeller with backward-curved blades.Protection class IP X5.MotorExternal rotor capacitor motor.Operating capacitor ready connected in the terminal box.Speed controllable.Thermal overload protection as standard.Robust motor with ball bearings, maintenance-free.Installation InstructionsThanks to its low weight, no crane or hoist is required to transport the EHD /2 EC onto the roof.Electrical ConnectionConnection to terminal strip inside the housing.Safety InstructionsWhen operating with free intake, the fan may only be put into operation if the impeller’s protective guard in accordance with DIN EN ISO 13857 is ensured. Space-saving roof fan with extremely compact dimensions. For ventilation. Attractive housing made of galvanized and powder-coated sheet steel. Cover made of aluminium. The cover is easily removable for cleaning purposes. Coated protective grille. Radial impeller with backward-curved blades. Protection class IP X5. Motor: External rotor capacitor motor. Operating capacitor ready connected in the terminal box. Speed controllable. Thermal overload protection as standard. Robust motor with ball bearings, maintenance-free. Installation instructions: Thanks to its low weight, no crane or hoist is required to transport the EHD onto the roof. Electrical connection: Connection to terminal strip inside the housing. Safety instructions: When operating with free intake, the fan may only be put into operation if the impeller’s protective guard in accordance with DIN EN ISO 13857 is ensured. Article: EHD 12, Airflow volume: 325 m3/h, Impeller type: radial, Speed controllable: yes, Reversibility: no, Energy efficiency class: C, Voltage type: AC, Rated voltage: 230 V, Mains frequency: 50 Hz, Rated power: 49 W, IMax: 0.22 A, Protection class: IP X5, Pole changeable: no, Power cable: 3 / 1.5 mm2, Installation location: roof, Installation position: vertical, Material: sheet steel, galvanized, Weight: 4.4 kg, Weight with packaging: 5.03 kg, Nominal diameter: 125 mm, Width: 333 mm, Height: 333 mm, Depth: 261 mm, Width with packaging: 385 mm, Height with packaging: 385 mm, Depth with packaging: 300 mm, Medium temperature at IMax: -20 °C to 70 °C, Sound pressure level: 52 dB(A) / distance 3 m, Free field conditions

EHD 10 - Brief InformationMini roof fan for private or commercial use, DN 100EHD 10 - Product DescriptionFeaturesSpace-saving roof fan with extremely compact dimensions.For ventilation.Attractive housing made of galvanized and powder-coated sheet steel.Cover made of aluminium.The cover is easily removable for cleaning purposes.Coated protective grille.Radial impeller with backward-curved blades.Protection class IP X5.MotorExternal rotor capacitor motor.Operating capacitor ready to connect in the terminal box.Speed controllable.Thermal overload protection as standard.Robust motor with ball bearings, maintenance-free.Installation InstructionsThanks to its low weight, no crane or hoist is required to transport the EHD /2 EC onto the roof.Electrical ConnectionConnection to terminal strip inside the housing.Safety InstructionsWhen operating with free intake, the fan may only be put into operation if the impeller’s contact protection according to DIN EN ISO 13857 is ensured. Space-saving roof fan with extremely compact dimensions. For ventilation. Attractive housing made of galvanized and powder-coated sheet steel. Cover made of aluminium. The cover is easily removable for cleaning purposes. Coated protective grille. Radial impeller with backward-curved blades. Protection class IP X5. Motor: External rotor capacitor motor. Operating capacitor ready to connect in the terminal box. Speed controllable. Thermal overload protection as standard. Robust motor with ball bearings, maintenance-free. Installation instructions: Thanks to its low weight, no crane or hoist is required to transport the EHD onto the roof. Electrical connection: Connection to terminal strip inside the housing. Safety instructions: When operating with free intake, the fan may only be put into operation if the impeller’s contact protection according to DIN EN ISO 13857 is ensured. Article: EHD 10, Airflow volume: 300 m3/h, Impeller type: radial, Speed controllable: yes, Reversibility: no, Energy efficiency class: C, Voltage type: alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz, Rated power: 50 W, IMax: 0.22 A, Protection class: IP X5, Pole changeable: no, Power cable: 3 / 1.5 mm2, Installation location: roof, Installation position: vertical, Material: sheet steel, galvanized, Weight: 4.5 kg, Weight with packaging: 5.15 kg, Nominal diameter: 100 mm, Width: 333 mm, Height: 333 mm, Depth: 261 mm, Width with packaging: 385 mm, Height with packaging: 385 mm, Depth with packaging: 300 mm, Medium temperature at IMax: -20 °C to 70 °C, Sound pressure level: 52 dB(A) / distance 3 m, Free field conditions

EHD 31 EC - Brief InformationMini roof fan for private or commercial use, DN 315, air volume 1,184 m³/h, motor with EC technologyEHD 31 EC - Product DescriptionFeaturesSpace-saving roof fan with extremely compact dimensions.For ventilation.Attractive housing made of galvanized and powder-coated sheet steel.Cover made of aluminium.The cover is easily removable for cleaning purposes.Coated protective grille.Radial impeller with backward-curved blades.Protection class IP X5.MotorHighly efficient EC motor.Continuously speed controllable.Suitable for continuous operation.Robust motor with ball bearings, maintenance-free.Installation InstructionsThanks to its low weight, no crane or freight elevator is required to transport the EHD onto the roof.Electrical ConnectionConnection to terminal strip inside the housing.Safety InstructionsThe fan may only be operated if the impeller’s contact protection according to DIN EN ISO 13857 for freely suctioning fans is ensured. Space-saving roof fan with extremely compact dimensions. For ventilation. Attractive housing made of galvanized and powder-coated sheet steel. Cover made of aluminium. The cover is easily removable for cleaning purposes. Coated protective grille. Radial impeller with backward-curved blades. Protection class IP X5. Motor: Highly efficient EC motor. Continuously speed controllable. Suitable for continuous operation. Robust motor with ball bearings, maintenance-free. Installation instructions: Thanks to its low weight, no crane or freight elevator is required to transport the EHD onto the roof. Electrical connection: Connection to terminal strip inside the housing. Safety instructions: The fan may only be operated if the impeller’s contact protection according to DIN EN ISO 13857 for freely suctioning fans is ensured. Article: EHD 31 EC, air volume: 1184 m3/h, speed: 3395 1/min, impeller type: radial, speed controllable: yes, reversible: no, voltage type: alternating current, rated voltage: 230 V, mains frequency: 50 Hz / 60 Hz, rated power: 175 W, IMax: 1.5 A, protection class: IP X5, thermal class: F, pole changeable: no, power cable: 3 / 1.5 mm2, installation location: roof, installation position: vertical, material: sheet steel, galvanized, colour: silver, weight: 8.5 kg, weight with packaging: 9.3 kg, nominal diameter: 315 mm, width: 484 mm, height: 484 mm, depth: 358 mm, width with packaging: 555 mm, height with packaging: 575 mm, depth with packaging: 415 mm, conveyed medium temperature at IMax: -20 °C to 60 °C, sound pressure level: 53 dB(A) / distance 3 m, free field conditions