Low consumption roof mounted fans
CRVB-N ECOWATT / CRVT-N ECOWATT Series

Low profile centrifugal roof-fans, vertical discharge, composed of:
- Centrifugal backward curved impeller.
- Steel finger proof guard.
- Base manufactured from galvanised sheet steel and aluminium cowl.
- ON-OFF electrical isolation switch.
- Direct supply brushless EC motor, high performance, low consumption, ball bearings, built-in thermal protector and able to work at temperatures from -20ºC to +40ºC:

· Single-phase version 230V±10%, 50/60Hz, IP44.
· Three-phase version 400V±10%, 50/60Hz, IP54.

Fan speed adjustable with the potentiometer placed in the connection box or with an external control type REB ECOWATT.
Analogical input with terminals in the terminal box to control the fan with 0-10V input signal.