Viessmann FB2B Installation And Service Instructions Manual page 142

Function description
Control functions
Example using the settings in the delivered condition
C
60
D
B
50
40
30 30
20
10
A
0
6 00
Time in h
A Start of operation with standard
room temperature
B Set boiler water or flow temperature
in accordance with the selected
heating curve
C Set boiler water or flow temperature
in accordance with coding address
"FA":
50 °C + 20 % = 60 °C
142
(cont.)
7 00 8 00 9
D Duration of operation with raised set
00
boiler water or flow temperature in
accordance with coding address
"Fb":
60 min