Cabinet
The cabinet is made of impact-resistant plastic, the colour is white. The cabinet is designed for wall mounting. The fans include a patented backdraft damper.
Running wheel
The impeller is axial, made of impact-resistant plastic.
Motor
The motor is asynchronous with shorted armature and shielded pole. The motor is equipped with overheating protection. The maximum operating ambient temperature is 40 ˚C. The motor has grease-filled ball bearings for life. IPX4 protection, insulation class II.
Square box
The terminal box is accessible by removing the front fan grille. Connection is via a concealed cable.
Speed control
Speed control is done by changing the voltage with special controllers.
Noise
The noise emitted by the fan is measured at a distance of 1.5 m in the axis of the fan on the suction side.
Variants
Z - ball bearings
C - check damper
R - adjustable time 1-30 minutes
H - with hygrostat and adjustable time 2-20 minutes
Mounting
Horizontally and vertically without restrictions. Fixing with four screws under the fan grille. Screws and dowels included.
Instructions
The fans are suitable for short ducts with very low pressure drop or for direct through-wall ventilation. The R variant can be actuated by a push button.