Required Settings For Central Heating; Setting The Heating Flow Temperature; Setting The Operating Program (Central Heating); Switching Off Central Heating - Viessmann Vitocrossal 100 Operating Instructions Manual

Central heating

Required settings for central heating

If you require central heating, check the following
points:
Have you set the required room temperature?
■
Room temperature controller operating
instructions
■ Have you set the heating flow temperature at a suffi-
ciently high level?
For settings, 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; "

Switching off central heating

You do not want to heat any rooms but do want to
heat DHW.
Press the following keys:
1. for settings; "
2. OK to confirm; "
3. OK to confirm; "
4. until " " flashes.
5. OK to confirm; central heating is disabled and
DHW is heated (summer mode).
12
" flashes.
" flashes.
" flashes.
" flashes.
" flashes.
" flashes.
■ Have you set the correct operating program?
For settings, see page 12
and
Room temperature controller operating
instructions
■ Have you set the required time program?
Room temperature controller operating
instructions
3. for boiler water temperature; " " flashes.
4. OK to confirm; the selected temperature 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; central heating and DHW heating
are disabled, frost protection monitoring is acti-
vated (standby mode).
" flashes.
" flashes.
" flashes.
" flashes.