Viessmann Vitotronic 200 Installation And Service Instructions Manual page 74

Function description
Heating circuit control
Example using the settings in the delivered condition
A Heating curve for operation with
standard room temperature
Reducing the heat-up time
During the transition from operation
with reduced room temperature to
operation with standard room tem-
perature, the boiler water or flow tem-
perature will be raised in accordance
with the selected heating curve. The
boiler water or flow temperature
increase can be automatically raised.
74
(cont.)
B Heating curve for operation with
reduced room temperature
The value and duration of the addi-
tional increase of the set boiler water
temperature or flow temperature is
adjusted in coding addresses "FA"
and "Fb".