Viessmann Vitotronic 200 Operating Instructions For The System User page 23

Stopping the heat pump
2. Isolate the heat pump from the power
supply, e.g. at a separate MCB/fuse
or a main isolator.
!
Please note
If outside temperatures below
3 °C are expected, take
appropriate measures to pro-
tect the heat pump and the
heating system from frost.
If necessary, contact your
heating contractor.
Information on a prolonged shutdown
■ Circulation pumps may seize up as
they are not supplied with power.
■ It may be necessary to reset the date
and time (see page 45).
(cont.)
Start-up/shutdown
23