Cabinet
is designed for horizontal air exhaust. The fan base is made of galvanized steel sheet, the brackets, grille and screws are also electroplated. The fan shroud and casing are made of Al sheet metal. The fan motor is mounted in the air stream. Protective grille against contact.
Running wheel
is radial with backward curved blades. It is made of galvanized steel sheet, is statically and dynamically balanced.
Motor
is a DC, special EC, with an external rotor. The motors are equipped with a thermal fuse as standard. Motor insulation is class F. Permanent operating temperature -20 to +40 ˚C. Grease-filled ball bearings for lifetime. Protection rating IP44/IP54 (3f).
Rotation direction
is only possible in one direction, in the sense of the arrow on the fan housing. The fan control does not allow changing the direction of rotation.
Fan box
with a revision switch is located on the fan housing. It is IP55 rated.
Speed control
is carried out by means of a potentiometer located in the terminal box or by an external REB Ecowatt control. Another option is to control using a 0-10 V control signal from a temperature, humidity or CO2 sensor.