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6 Decommissioning the boiler
In case of, for instance, a holiday:
Make sure no heat request occurs: set the room thermostat to low.
Hot water (iC-Range only)
Hot water program OFF: Press – until the lowest value is
reached and then press – again. The display shows - - .
Switching on works in reverse order.
Central heating
CH program OFF: Press – until the lowest value is
reached and then press – again. The display shows - - .
Switching on works in reverse order.
In case of work on the heating installation:
Make sure no heat request occurs: set the room thermostat to low. Pull the plug
from the wall socket. If the installation is being drained, you have to take into
account that part of the heating water will remain in the boiler. Make sure that the
remaining heating water in the boiler cannot freeze in case of frost.
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