Without Frost Protection Monitoring (Shutdown) - Viessmann VITODENS Operating Instructions Manual

Shutting down the heating system
For the preferred heating circuit
Standard menu
1. / for the operating program
"Standby mode" (frost protection monitoring)
2. OK

Without frost protection monitoring (shutdown)

1. Switch OFF the system ON/OFF switch.
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 sup-
ply, 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 a 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 26).
(cont.)
For all heating circuits
Extended menu
1.
2. "Heating"
3. / for the required heating circuit if necessary
4. "Heating program"
5. "Standby mode"
Note
The circulation pumps are briefly started every 24 hours
to prevent them from seizing up.
Start-up/shutdown
17