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

Start-up/shutdown
Shutting down the heating system
Press the following keys:
1. for settings; "
2. OK to confirm; "
3. OK to confirm; " " flashes.

Without frost protection monitoring (shutdown)

1. Turn ON/OFF switch " " off.
2. Close the gas shut-off valve.
Note
Ask your heating contractor to explain the position-
ing and handling of these components.
3. Isolate the heating system from its main power sup-
ply, e.g. at the separate MCB/fuse or at a mains
isolator.
4. If outside temperatures of below 3 °C are expected,
please take appropriate measures to protect the
heating system from frost. If necessary, contact
your heating contractor.
10
(cont.)
" flashes.
" flashes.
4. until " " flashes: The rooms are heated and
DHW is provided.
or
until " " flashes: DHW is heated but central
heating is not active.
5. OK to confirm; the selected operating program is
activated.