Application: roof fans are designed to maintain air exchange in residential and commercial buildings.
Purpose: removal of polluted air and other non-explosive air–gas mixtures.
Mounting:
- The fans are designed to be installed on the roofs of different types in a horizontal position only. The rotational axis of the motor is to be set vertically.
- Fans are installed on a mounting cup or onto the roof output of a ventilation shaft (duct).
Design features:
- The housing is made of galvanized steel and additionally protected by a polymer coating from environmental influences.
- ERF is equipped with a single-phase induction motor with an external rotor and an armature with the high ohmic resistance.
- Implemented with a self-resettable overheating protection with a restart.
- F-class insulation provides higher reliability and durability of the motor making it resistant to high temperatures.
Specifications:
Capacity: 1100 m³/h
Noise level: 70 dB(A)
Pressure: 600 Pa
Rotation frequency: 2560 RPM
Operating temperature: -30 to +60 °C
Warranty: 2 years.