Viessmann Vitoligno 300-P Service Instructions For Contractors page 32

Commissioning, inspection, maintenance
Further details regarding the individual steps
Example for outside temperature
−14 °C:
A Underfloor heating, slope 0.2 to 0.8
B Low temperature heating, slope 0.8
to 1.6
C Heating system with a boiler water
temperature in excess of 75 °C,
slope 1.6 to 2.0
Adjusting the set room temperature
Individually adjustable for each heating
circuit.
Standard room temperature
110
A
C
D
Adjustment of the standard room tem-
perature from 20 to 26 °C
A Boiler water temperature or flow
temperature in °C
B Outside temperature in °C
C Set room temperature in °C
32
26°C
20°C
-20°C
B
E
(cont.)
The heating curve is offset along the axis
of the set room temperature. When the
heating circuit pump logic function has
been enabled, it modifies the starting
and stopping characteristics of the heat-
ing circuit pump.
D Heating circuit pump OFF
E Heating circuit pump ON
Press the following keys:
1. "MENU".
2. |/~ for selecting the heating cir-
cuit.
3. d to confirm.
4. |/~ for "Standard room temp.".
5. d to confirm.
6. |/~ for the selected value.
7. d to confirm.