Settings For Central Heating; Setting The Flow Temperature; Setting The Operating Program For Central Heating; Switching Off Central Heating - Viessmann VITODENS Operating Instructions Manual

Settings for central heating

If you require central heating, check the following
points:
Have you set the required room temperature?
■
Operating instructions for room temperature
controller
■ Have you set the flow temperature high enough?
For settings, see the next chapter.

Setting the flow temperature

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

Setting the operating program for central heating

Activate the operating program for central heating.
Factory setting: " " for central heating and DHW
heating (winter mode)
This setting is only required if one of the following
operating programs is set:
DHW heating only
Standby mode
Press the following buttons:
1. for settings; "

Switching off central heating

Deactivate the operating program for central heating.

You do not want to heat any rooms but do want to heat DHW.

Press the following buttons:
1. for settings; "
2. OK to confirm; "
" flashes.
" flashes.
" flashes.
" flashes.
" flashes.
■ Have you set the correct operating program?
For settings, see page 13.
And
Operating instructions for room temperature
controller
■ Have you set the required time program?
Operating instructions for room temperature
controller
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.
For information on the operating programs, see
page 12.
3. OK to confirm; "
4. until " " flashes.
5. OK to confirm; central heating is disabled and
DHW is heated (summer mode).
Central heating
" flashes.
" flashes.
13