Cabinet
is made of high quality impact resistant plastic, colour is white. The cabinet is designed for wall mounting.
The impeller
is axial made of high quality impact resistant plastic. It has nine aerodynamically and performance optimised blades. It is secured on the shaft by an anti-slip steel spring.
Motor
is asynchronous with short armature and shielded pole, for continuous operation. The maximum operating ambient temperature is 40˚C. Motor has ball bearings, grease cartridge is for life. The windings are protected against condensation by an additional cover. The motor has overload protection and double insulation. Protection rating IP44, version H IP40.
The cabinet
is accessible by removing the front fan grille. Connection is by cable under plaster or after plastering. The terminal block includes a relief clip to prevent the cable from being pulled out.
Speed control
is carried out by changing the voltage with special regulators.
Noise
emitted by the fan is measured at a distance of 1.5 m in the free acoustic field.
Mounting
Horizontal and vertical. Fixing with four screws under the fan grille. Screws and dowels included.
Variants
S - basic version
Z - ball bearings
C - version with automatic electric return damper (delayed by approx. 45 s)
T - delayed time approx. 4-8 minutes
R - adjustable time 2-20 minutes
Instructions
The fans are suitable for short ducts with very low pressure drop or for ventilation directly through the wall. Variants R and T can be actuated with a push button.