Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual page 84

Initial start-up
Further step-by-step instructions
Adjusting the normal room temperature
(for every heating circuit separately)
1
Standard room temp.
2
20
3
1
Reduced room temp.
2
14
3
D E
Example 1:
Adjustment of the normal room
temperature from 20 to 26 ˚C /
68 to 79 ˚F.
A Boiler water temperature or
supply temperature in ˚C / ˚F
B Outdoor temperature in ˚C / ˚F
C Set room temperature in ˚C / ˚F
D Heating circuit pump OFF
E Heating circuit pump ON
84
(cont.)
Normal room temperature:
Select the normal day temperature
with the set value adjuster.
Reduced room temperature:
1. Call up the reduced night
temperature with tm.
D
Example 2:
Adjustment of the reduced room
temperature from 5 to 14 ˚C /
41 to 57 ˚F.
Accordingly, the heating curve is
adjusted along the set room temperature
axis, resulting in modified start/shutdown
characteristics for the heating circuit
pumps, if the heating circuit pump logic
is active.
The value will be automatically
transferred after approx. 2 seconds.
2. Change the value with
3. Confirm the set value with
Temperature conversion:
˚C
-20
5
14
20
26
110
E
or .
.
˚F
-4
41
57
68
79
230