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Shutting down the heating system for an extended period
You can switch your heating system off if you do not
intend to use it. We recommend you contact your heat-
ing contractor before and after shutting down for longer
periods.
Your heating contractor can then take suitable steps
such as frost protection for the system or heating sur-
face preservation as required.
Note
No special measures are required when shutting down
the system on a temporary basis.
Shutdown
1. Note
Only disconnect the mains plug of the boiler for
maintenance and repair purposes.
■
Otherwise the Lambda probe will not be heated.
This can cause damage to the Lambda probe
during longer shutdown periods.
■
The boiler circuit pump is switched on briefly at
regular intervals.
Information on prolonged shutdown
■
As the heating circuit pumps no longer run for a lon-
ger period of time, these may seize.
After an extended shutdown, it may be necessary to
■
reset the date and time. See chapter "Setting the
time and date".
2. Carry out the work in accordance with the "Inter-
vals" table in chapter "Overview of maintenance
and cleaning work"
3. If there is a risk of frost, drain the boiler. Observe
the instructions provided by your heating system
installer. Alternatively, you could ask them to add
antifreeze.
Shutdown
43
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