Harmann - Viver EC roof fan

Radial roof fan with vertical discharge with motor placed in the stream of flowing air. It is used as general exhaust ventilation in residential, office, industrial and public buildings. Especially recommended for buildings with a small amount of free roof space, as well as for buildings located in dense buildings.

Technical data

• impeller with backward curved blades type B
• rotor integrated with the engine
• speed control
• compact dimensions
• the housing is made of high quality non-corrosive aluminum alloy resistant to weathering
• threaded connections enabling installation of roof accessories (connectors, return flaps or anti-vibration connectors)
• screws included for mounting with the roof base are included
• electronically commutated electric motor (EC) with integrated controller and thermal protection
• motors are adapted to smooth speed control in a wide range of fan operation
• 230V ~ 1.5 Hz (models 190-450) or 400V ~ 50 Hz (models 500-630)
• IPX4 device protection rating
• degree of motor protection IP54 (IP33 for models 250, 280)
• insulation class F (B for model 355)
• operating temperature range from -25 C to +70 C