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Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Adjusting the Heating Curve
(continued)
Service
Refer to the Vitocrossal 300 CA3
Operating Instructions.
Legend
A
Boiler water temperature or supply temperature
B
Outdoor temperature
C
Set room temperature
D
Heating circuit pump “Off”
E
Heating circuit pump “On”
Changing the standard set room temperature
Reduced set room temperature
Adjustment of the reduced set room temperature
from 37°F to 52°F (3°C to 14°C).
Legend
A
Changing the slope
B
Changing the shift (vertical parallel offset of the
heating curve)
Outdoor temperature
Boiler water or
supply temperature
Changing the slope and shift
Individually adjustable for each heating circuit.
From the home screen tap the following buttons:
1. Tap “Menu”.
2. “Heating circuit 1”, “Heating circuit 2” or “Heating
circuit 3” as the required heating circuit.
3. Heating.
4. “Heating curve”.
5. +/– for the required value for “Slope” or “Shift”.
6. Tap OK to confirm.
Example: Heating curve setting with slope 1.5:
