Viessmann Vitoligno 300-P Service Instructions For Contractors page 112

Function description
Control functions
Reducing the heat-up time
During the transition from operation with
reduced room temperature to operation
with standard room temperature, the
flow temperature will be raised in accord-
ance with the selected heating curve.
The flow temperature increase can be
automatically raised.
Example using the settings in the delivered condition
C
60
B
50
40
30 30
20
10
A
0
6
00
Time in h
A Start of operation with standard
room temperature
B Set flow temperature in accordance
with the selected heating curve dur-
ing operation with standard room
temperature
C Set flow temperature in accordance
with coding address "FA":
50 °C + 20 % = 60 °C
112
(cont.)
D
7 8
00 00
The value and duration of the additional
increase of the set flow temperature is
adjusted in coding addresses "FA" and
"FB".
9
00
D Duration of operation with raised set
flow temperature in accordance with
coding address "FB":
60 min