Central Heating; Required Settings For Central Heating; Setting The Heating Flow Temperature; Setting The Operating Program (Central Heating) - Viessmann VITODENS Operating Instructions Manual

Required settings for central heating

If you want central heating, check the following points:
Have you set the required room temperature?
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Room temperature control unit operating
instructions
Have you set the heating flow temperature at a suffi-
■
ciently high level?
For setting, see the next chapter.

Setting the heating flow temperature

Set the heating flow temperature sufficiently high so
the required room temperature can be achieved.
Factory setting: 74 °C
Press the following keys:
1. for settings; "
2. OK to confirm; "

Setting the operating program (central heating)

Factory setting: " " for central heating and DHW
heating (winter mode).
Press the following keys:
1. for settings; "

Stopping the central heating

You do not want to heat any rooms but you want to
heat the DHW.
Press the following keys:
1. for settings; "
2. OK to confirm; "
3. OK to confirm; "
4. until " " flashes.
5. OK to confirm; the central heating is deactivated
and DHW is heated (summer mode).
" flashes.
" flashes.
" flashes.
" flashes.
" flashes.
" flashes.
Have you selected the correct operating program?
■
For setting see page 11
and
Room temperature control unit operating
instructions
Have you set the required time program?
■
Room temperature control unit operating
instructions
3. for boiler water temperature; " " flashes.
4. OK to confirm; the selected temperature value
flashes.
5. / for the required boiler water temperature.
6. OK to confirm; the new temperature value is
saved.
2. OK to confirm; "
3. OK to confirm.
4. / until " " flashes.
5. OK to confirm; the rooms and DHW are heated.
You do not want to heat any rooms or DHW.
Press the following keys:
1. for settings; "
2. OK to confirm; "
3. OK to confirm; "
4. until " " flashes.
5. OK to confirm; the central heating and DHW heat-
ing are deactivated, frost protection monitoring
is activated (standby mode).

Central heating

" flashes.
" flashes.
" flashes.
" flashes.
11