Viessmann Vitodens 333 Service Instructions Manual page 36

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Adjusting the set room temperature
Standard room temperature
Example 1: Adjustment of the stan-
dard room temperature from 20 °C to
26 °C
A Boiler water temperature or flow
temperature in °C
B Outside temperature in °C
C Set room temperature in °C
D Heating circuit pump "OFF"
E Heating circuit pump "ON"
36
(cont.)
Press the following keys:
1. a "1r" flashes.
2. d to select heating circuit A1
(heating circuit without mixer)
or
3. a "2r" flashes.
4. d to select heating circuit M2
(heating circuit with mixer).
5. Adjust the set day temperature with
rotary selector " ts".
The value will be automatically
accepted after approx. 2 s.
Accordingly, the heating curve is
adjusted along the set room tem-
perature axis, which results in
modified start/stop characteristics
of the heating circuit pumps if heat-
ing circuit pump logic is active.