Starting The Heating System; Without Frost Protection Monitoring (Shutdown) - Viessmann VITODENS Operating Instructions Manual

Starting the heating system

5. Switch the ON/OFF switch ON.
Shutting down the heating system
With frost protection monitoring
For every heating circuit, select the
operating program "Standby mode".
■ No central heating
■ No DHW heating
■ Frost protection for the boiler and the
DHW cylinder is active.
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.
(cont.)
After a short time, the standard menu
is displayed (see page 14). The green
ON indicator illuminates. Your heat-
ing system and, if installed, your
remote controls are ready for use.
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 seiz-
ing up.
3. Isolate the heating system from its
main power supply, e.g. at the sepa-
rate MCB/fuse or at a mains isola-
tor.
Start-up/shutdown
23