Viessmann VITODENS 200-W Service Instructions Manual page 30

Commissioning, inspection, maintenance
Further details regarding the individual steps
Changing the slope and level
90
3.5
A
+20
Outside temperature in °C
A Changing the slope
B Changing the level (vertical parallel
offset of the heating curve)
1. Slope:
Change with coding address "d3" in
code 1.
Setting range 2 to 35 (equals slope
0.2 to 3.5).
2. Level:
Change with coding address "d4" in
code 1.
Setting range -13 to +40 K.
30
Adjusting the set room temperature
Standard room temperature
90
A
1.4
B
C
0.2
D
-20
Example 1: Adjustment of standard room
temperature 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
D Heating circuit pump "OFF"
E Heating circuit pump "ON"
Press the following keys:
1. a "1r" flashes.
2. d to select heating circuit A1 (heat-
3. a "2r" flashes.
4. d to select heating circuit with
(cont.)
-20
B
E
ing circuit without mixer)
or
mixer M2.