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:

• Fixing flange to allow easy wall anchorage and installation.
• Support frame manufactured in galvanized sheet steel.
• Variable angle rotors made of cast aluminium.
• Anti-contact protective grille pursuant to standard UNE-EN ISO 12499.
• Airflow direction from motor to impeller.

Extruded aluminum flap:

• Very robust structure able to withstand extreme weather conditions.
• Water-tight design to prevent water entry.
• Aluminum profile with thermal bridge breaking.
• Highly-efficient thermical insulating used in the central piece and the structure.
• Thermical resistivity < 0.89 W/m2·K.
• Limit switch on both positions (open and closed).
• Possibility to be assembled so that it opens from the top or the bottom.
• Manual opening system.
• Anti-corrosive extruded aluminum.
• RAL7016 supplied as standard. Any other RAL can be supplied on demand.

Motor:

• IE3 efficiency motors.
• Class F motors with ball bearings, IP55 protection, except single-phase models from size 45 to size 56, IP54 protection. 1 or 2 speeds, depending on model.
• Three-phase 230/400V-50Hz (up to 3kW) and 400/690V-50Hz (powers greater than 3kW).
• Maximum temperature of air to be carried: -25ºC to +50ºC.

Actuator:

• Reliability >11.000 double cycles.
• Supply voltage 230 Vac-50Hz.
• Operating temperature: -25°C to +60°C.

On request:

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