28
3. Isolate the heating system from its main power
supply, e.g. at the separate MCB/fuse or at a
mains isolator.
!
Please note
If outside temperatures of below 3 °C are
expected, take appropriate measures to pro-
tect the heating system from frost.
If necessary, contact your heating contractor.
Information on prolonged shutdown
■
Circulation pumps may seize up as they are not
being supplied with power.
■
After an extended shutdown, it may be necessary to
reset the date and time (see page 42).
Start-up/shutdown
Shutting down the heating system (cont.)
5811580
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