WALL/FREE

Dynamic wall extractor fans with motorised opening system and protective grating for use without extract duct. Suitable for installation in industrial buildings, stores or in any other type of building.

Fan:
• Wall fixing flange for correct and easy installation.
• Support frame in galvanised sheet steel.
• Variable angle impeller made of cast aluminium.
• Airflow direction from motor to impeller.
• Protection grid against contacts according to UNE-EN ISO 12499.

Extruded aluminum hatch:
• An extremely robust structure that is able to withstand severe weather changes.
• Designed to ensure watertightness.
• Aluminum profile with thermal bridge break.
• Central ceiling and structure equipped with high performance thermal insulation.
• Thermal resistance of the assembly less than 0.89 W/m2·K.
• Limit switches in both positions (open and closed).
• Possibility of mounting in upper and lower opening.
• Manual opening system.

Motor:
• Class F motors with ball bearings. IP55 protection. Except single-phase models from size 45 to size 56, with IP54 protection. 1 or 2 speeds depending on model.
• IE3 efficiency motors.
• Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW).
• Working temperature: -25 ºC +50 ºC.

Actuator:
• Reliability greater than 11,000 dual cycles.
• Supply voltage at 230 V AC 50/60 Hz.
• Working temperature: -25 ºC +60 ºC.

Flap finish:
• Anti-corrosive in extruded aluminum.
• RAL 7016 supplied as standard. Any other RAL can be supplied on demand.

On request:
• AA: impeller-motor air direction for air entry to premises.