The Colasit CDVA roof fan has a robust and seamless polyester housing made of weather-resistant plastic. This roof fan has a standard three-phase motor according to IEC, can be adjusted in single or multiple stages and can be optionally upgraded with a frequency converter. The motor is separated from the exhaust air flow and therefore protected against corrosion.
Construction
– One stage, suction on one side, vertical exhaust
– Direct drive
– CE marking
Characteristics
Static pressure
min. 50 Pa to max. 600 Pa
Efficiency (tot. mech.)
max. 44%
Housing
– Available in GFRP
– Sturdy, seamless casing
Impeller
– Available in PP
– Axial impeller
– Three setting angles for optimal operating point
Drive
– Direct drive: Impeller mounted directly on motor shaft
– Motor: Asynchronous motor
PM motor (required with FC)
– Motor separated from exhaust
Accessories/options
Required
– Isolation switch
Optional
– Frequency converter for speed control
– Thermally insulated GFRP roof mounting base
– Automatic damper