Viessmann Vitodens 333 Service Instructions Manual page 103

Control functions
Raising the reduced room temperature
During operation with reduced room
temperature, the reduced set room
temperature can be automatically
raised subject to the outside tempera-
ture. The temperature is raised in
accordance with the selected heating
curve up to the set standard room
temperature.
Example using the settings in the delivered condition
A Heating curve for operation with
standard room temperature
(cont.)
The outside temperature limits for the
start and end of the temperature rais-
ing can be adjusted via the coding
addresses "F8" and "F9".
B Heating curve for operation with
Function description
reduced room temperature
103