Viessmann Vitocrossal 300 Service Instructions For Contractors page 51

Further details regarding the individual steps
Changing the slope and level
90
+20
Outside temperature in °C
A Changing the slope
B Changing the level (vertical parallel
offset of the heating curve)
Extended menu:
1. å
2. "Heating"
3. Select heating circuit.
4. "Heating curve"
5. "Slope" or "Level"
6. Select heating curve according to the
system requirements.
3.5
1.4
A
B
0.2
-20
Commissioning, inspection, maintenance
Adjusting the set room temperature
Standard room temperature
90
A
C
D
Example 1: Adjustment of the 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"
Adjustment of the standard room
temperature:
Operating instructions
(cont.)
-20
B
E
51