Reducing The Heat-Up Time - Viessmann Vitoladens 300-C Installation And Service Instructions Manual

Function description
Control functions
(cont.)
Example using the settings in the delivered condition
90
80
70
60
50
40
30
Fig. 75
Heating curve for operation at standard room tem-
A
perature
Heating curve for operation at reduced room tem-
B
perature

Reducing the heat-up time

When changing from operation with reduced room
temperature to operation with standard room tempera-
ture, the boiler water or flow temperature is increased
in accordance with the selected heating curve. The
boiler water or flow temperature can be automatically
increased.
96
10 5 0 -5 -10 -15
Outside temp. in °C
A
B
-20
The value and duration of the additional increase of
the set boiler water or flow temperature can be adjus-
ted in coding addresses "FA" and "Fb".