Viessmann VITODENS 200-W Service Instructions Manual page 130

Function description
Control functions
Raising the reduced room temperature
During operation with reduced room
temperature, the reduced set room tem-
perature can be automatically raised
subject to the outside temperature. The
temperature is raised in accordance with
the selected heating curve, but no higher
than the set standard room tempera-
ture.
Example using the settings in the delivered condition
90
80
70
60
50
40
30
A Heating curve for operation with
standard room temperature
130
(cont.)
The outside temperature limits for the
start and end of the temperature raising
can be adjusted via coding addresses
"F8" and "F9".
10 5 0 -5 -10 -15
Outside temperature in °C
B Heating curve for operation with
A
B
-20
reduced room temperature