EC Roof fans(EX/FNS/RF/002)

Properties

• flow rates up to 17,000 m³/h
• size: 190 – 800 mm (impeller diameter)
• vertical outlet
• backward curved impellers
• different models
• solid weatherproof casing
• easy to install

Impellers

Impellers are mounted directly to the rotor of the external rotor EC motor and are dynamically balanced on two levels with the rotor according to quality level G 2,5 / G 6,3 as per DIN ISO 21940-11.

model – DV(S)

Backward curved impellers made of plastic.

model – DVE(S)

Efficiency optimized and sound optimized backward curved impellers of the REVOLUTION series made of plastic.

Electrical connection

The drive motors are fitted with a set-up terminal box in IP54, which is easily accessible for the electrical connection after removing the rain guard. Upon request, the device switch can be mounted (optional) on the casing of the fan.