Harmann - Viver roof fan

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

Technical data

• impeller with backward curved blades type B
• voltage 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 for mounting with roof base included in the set
• single-phase (230V, 50Hz) or three-phase (400V, 50Hz) asynchronous electric motors with rotating housing
• motors adapted for voltage speed control in the 80-230V range (single phase models), 100-400V (three phase models)
• IPX4 device protection rating
• engine protection degree for models 220-315 IP33, for model 355 IP44, for models 400-560 IP54
• insulation class F
• operating temperature range from -25 C to + 80 C