Dynamic ventilators with high thermal performance enclosure, completely airtight and hermetic, with thermal break and motorised opening. Equipped with roof extractor for smoke evacuation in case of fire 400 ºC/2h and 300 ºC/2h.
Enclosure:
• Construction completely free of thermal bridges.
• 60 mm thick refrigerated sandwich panel sides made of two pre-coated steel sheets on the outside and inside with a high-density polyurethane (PUR) core.
• 60 mm thick cover filled with high-density polyurethane (PUR), made of galvanised sheet metal and coated on the outside.
• Adapter socket (or skirting) for correct and easy installation on the roof.
• Air permeability CLASS 4 (UNE-EN 12207).
• Impermeability against driving rain CLASS E 1350 (UNE-EN 12208).
• Resistance to high wind load.
• Thermal resistance of the assembly less than 0.39 W/m2·K.
Opening system:
• Motorised opening arm, with encapsulated IP65 mechanism.
• Supply voltage at 230 V AC 50/60 Hz.
• System reinforced and guaranteed with more than 20,000 cycles.
• Limit switches in both positions (open and closed).
• Snow load SL 1000.
• Automatic opening by external signal from the control system (fire panel, smoke detector ...). Control systems not included in the equipment.
Fan:
• An extremely robust structure that is able to withstand severe weather changes.
• Maintenance switches for actuator and fan disconnection with auxiliary contacts.
• Approved as a whole in accordance with standard EN 12101-3.
• Tubular casing in sheet steel with polyester resin anti-corrosive treatment.
• Adjustable cast aluminum impeller.
• Shielded power cable with EMC protection.