4
EN
• Fixed electrical wiring must be equipped with an automatic circuit
breaker.
• The unit must be connected to power mains through a double pole
circuit breaker of suitable rating integrated into the fixed wiring
system with opening of contacts at all poles. The gap between the
circuit breaker contacts at all poles must be not less than 3 mm.
• Check the unit for any visible damage of the impeller, the casing,
and the grille before starting installation. The casing internals must
be free of any foreign objects that can damage the impeller blades.
• While mounting the unit, avoid compression of the casing!
Deformation of the casing may result in motor jam and excessive
noise.
• Misuse of the unit and any unauthorized modifications are not
allowed.
• Do not expose the device to adverse atmospheric agents (rain, sun,
etc.).
• Take steps to prevent ingress of smoke, carbon monoxide, and other
combustion products into the room through open chimney flues or