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Operation
Control panel
4
Position
Switch on the unit
If you have set up the unit correctly and ready for
operation as described in the chapter Commissioning,
you can now switch it on.
Set the desired room temperature on the control dial
. An acoustic click signal and the illumination of the
3
operating indicator light
4
thermostat is active.
Setting the room thermostat
3
4
shows you that the room
Frost guard GFW 520
Room thermostat control knob
Operation indicator light
To set the stepless rotary control
thermostat to the desired room temperature, please
proceed as follows:
1. Set the control dial
3
2. Let the unit run until the desired room tempera-
ture is reached.
3. Slowly turn the control dial
unit switches off.
The unit now regulates the room temperature auto-
matically via the room thermostat by automatically
switching off when the set temperature is exceeded
and switching on again when the temperature falls
below this set temperature.
Note
The desired room temperature should be higher than
the current room temperature.
Note
The operation indicator light
thermostat is set to a temperature above the room
temperature via the control dial
operating control light
does not light up.
4
ENGLISH
3
of the room
3
to max.
back until the
3
lights up when the
4
. Otherwise, the
3
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