Checking correct functioning

  1. Switch on unit and perform the following checks: D = detailed check, N = close inspection, S = visual inspection

Test schedule

D

N

S

I

Direction of rotation / air flow direction.

 

 

●

II

Ensure correct power consumption The rating current (rating plate) may be higher or lower depending on local conditions (duct distance, altitude, temperatures).

●

 

 

III

Thermal safety is ensured by the PTC thermistor triggering system.

●