Stopping Central Heating; Comfort Function - Viessmann VITOTRONIC 300 Operating Instructions Manual

Heating curve
(cont.)
3. "Heating circuit 1", "Heating circuit 2" or "Heat-
ing circuit 3" as the required heating circuit
4. "Heating curve"
5. +/ for the required value for "Slope" or "Level"
–
6. Press OK to confirm
Example: Changing the heating curve slope to 1.5
A graph clearly shows the change in the heating curve
as soon as you alter the value for the slope or level.

Stopping central heating

Only required if the operating program
Tap the following buttons:
1. 1, 2 or 3 in the header for the required heating cir-
cuit
2.

Comfort function

Setting "Comfort mode"
Tap the following buttons:
1. 1, 2 or 3 in the header to select the required heating
circuit
2.
3. / for the required set room temperature in com-
fort mode
Heating circuit 1 set comfort temperature
23°
Fig. 24
Central heating — Single boiler system control
Heating circuit 1 heating curve
100
75
23 °C
50
25
0
20
Fig. 23
Depending on various outside temperatures (shown on
the horizontal axis), the assigned set flow tempera-
tures for the heating circuit are highlighted white.
is set. 3. "DHW only" (no central heating)
■
or
■ "Standby mode" (frost protection for the boiler
and the DHW cylinder is active)
4. Press OK to confirm
4. Tap OK to confirm. The frame around symbol
highlighted in white.
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.
OK
Flow temperature
91 °C
78 °C
64 °C
50 °C
36 °C
10 0 -20 -30
-10
Outside temperature
Slope Level
1.5 . 1
OK
is
25