Viessmann VITODENS 222-F Installation And Service Instructions Manual page 94

Code 2
Heating circuit 1, heating circuit 2, heating...
Coding in the delivered condition
Fb:30 Duration for raising the
set boiler water tempera-
ture or the set flow tem-
perature (see coding
address "FA") 60 min.
See example on
page 148 (only for
weather-compensated
control units).
94
Possible change
FA:50
Fb:0 Duration adjustable from 0
to to 300 min;
1 step ≙ 2 min
Fb:150
(cont.)