Switching Central Heating Off - Viessmann VITODENS Operating Instructions Manual

Central heating
Heating curve
(cont.)
Fig. 16

Switching central heating off

Only required if "Heating and DHW" is set.
Tap the following on-screen buttons:
1. "Heating circuit 1 2 3" in the header to select the
required heating circuit
2.
Comfort function
Setting "Comfort mode"
Tap the following on-screen buttons:
1. "Heating circuit 1 2 3" in the header to select the
required heating circuit
2.
3. / for the required set room temperature in com-
fort mode
4. Tap OK to confirm. The frame around the
bol is highlighted in white.
26
The graph clearly shows the change in the heating
curve as soon as you alter the value for the slope or
level.
Depending on various outside temperatures (shown on
the horizontal axis), the assigned set flow tempera-
tures for the heating circuit are shown.
3. ■ "Only DHW" (no central heating)
or
■ "Standby mode" (frost protection for the boiler
and the DHW cylinder is active)
4. OK to confirm
The rooms are heated to the required temperature.
■
Provided your heating contractor has not altered the
■
settings, DHW is heated to the selected set tempera-
ture first, before central heating begins.
■ The DHW circulation pump is switched on (if instal-
led).
Note
The standard set room temperature continues to be
shown in the standard menu. "Comfort mode" and
the selected temperature are displayed alternately with
sym-
the boiler water temperature.