Dynamic discharge systems with roof-mounted extract fans and motorised opening function. Suitable for installation in industrial or commercial buildings. Can be used for ambient ventilation in the buildings in which it is installed.

Fan:

• Very robust structure able to withstand extreme weather conditions.
• Equipment structure made of anti-corrosive galvanised sheet steel.
• Water-tight design to prevent water entry.
• Heat insulation of 60mm to prevent hot air loss in the winter.
• Adaptable skirting for correct, easy installation on the roof.
  
• Maintenance switch fitted with NA/NC auxiliary contact to control equipment disconnection.
  
• Tubular casing in sheet steel with polyester resin anti-corrosive treatment.
• Cast aluminium rotors.
• 125 rotors made of cast aluminium with 6 or 9 blades with adjustable angle of inclination.
• Anti-corrosive finish on galvanised sheet steel.

Opening system:

• Motorised opening arms, with encapsulated IP-65 mechanism.
• Supply voltage 230 V. AC 50Hz.
• Reinforced, guaranteed system with more than 10.000 operations at maximum load.
• Maximum load 1.000 N.
• Automatic opening function via external control system signal (fire station, smoke detector...). Control systems not included in the supply.
• Limit switch to signal the hatch position.

Motor:

• IE3 efficiency motors for powers equal to or greater than 0.75 kW except single-phase, 2-speed and 8-pole.
• Class F motors with ball bearings and IP55 protection.
• Three-phase 230 / 400V - 50Hz (up to 4 kW) and 400 / 690V - 50Hz (powers higher than 4 kW).
• Operating temperature: -25°C to +50°C.

On request:

• Polyester resin anti-corrosive paint finish.
• Motorised opening arms with supply voltage of 24V. DC.