Viessmann FB2B Installation And Service Instructions Manual page 60

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)
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.
60
Adjusting the set room temperature
Standard room temperature
90
A
1.4
B
C
0.2
D
-20
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:
(cont.)
-20
B
E
Operating instructions