At a scaling value on potentiometer 1, which exceeds the value of potentiometer 2,
the fan runs at the minimum speed.
Note
:
Minimum air operation and minimum rate of air can be achieved by electronic
temperature sensors, such as the ETR-Type (see accessories).
4. Relay output
An operating message will be displayed on terminals 3 and 4. Regardless of the fan
speed, the relay contact is closed, as soon as the fan continues to run.
