Viessmann Vitocrossal 300 Series Service Instructions Manual page 51

Vitocrossal 300 CU3A 26 to 199 Service
Adjusting the Heating Curves
Adjusting the set room temperature
Standard room temperature
Example 1: Adjustment of the standard room temperature
from 68°F to 79°F (20°C to 26°C)
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"
Adjustment of the standard room temperature:
Refer to the Operating Instructions
(continued)
Reduced room temperature
Example 2: Adjustment of reduced room temperature
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"
Adjustment of the reduced room temperature:
Refer to the Operating Instructions
from 41°F to 57°F (5°C to 14°C)
Service
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