20
Ending the heating program "Standby
mode"
Select another heating program.
Stopping individual boilers at the rel-
evant Vitotronic 100
Press the following keys:
1. for settings; " " flashes.
2. OK to confirm; " " flashes.
3. OK to confirm; " " flashes.
4. until " " flashes.
5. OK to confirm.
Note
The circulation pumps are briefly started
every 24 hours to prevent them from
seizing up.
Ending the heating program "Standby
mode"
Select another heating program.
Without frost protection monitoring (shutdown)
1. Switch OFF the ON/OFF switches at
all Vitotronic 100 and Vitotronic 300-
K (see chapter "Controls").
2. Close the shut-off valves in the oil
lines (at the tank and filter) or close
the gas shut-off valve.
3. Isolate the heating system from its
main power supply, e.g. at a separate
MCB/fuse or a mains isolator.
4. Where outside temperatures of
below 3 °C are anticipated, please
take suitable measures to protect the
heating system against frost. If nec-
essary, contact your heating contrac-
tor.
Information on a prolonged shutdown
■ Circulation pumps may seize up as
they are not supplied with power.
■ Vitotronic 300-K:
It may be necessary to reset the date
and time (see page 35).
Start-up/shutdown
Stopping the heating system
(cont.)
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