Harmann - roof fan Viver.PS EC

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
• speed control
• built-in service switch
• 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 for mounting with roof base included in the set
• motors are adapted to smooth speed control in a wide range of fan operation
• IPX4 device protection rating
• degree of motor protection IP54
• insulation class F
• operating temperature range from -25 C to +70 C