Viessmann Vitocrossal 300 Service Instructions For Contractors page 90

Code 2
Heating circuit 1, heating circuit 2, heating...
Coding in the delivered condition
FA:20 Raising the set boiler
water temperature or the
set flow temperature
when changing from
operation with reduced
room temperature to
operation with standard
room temperature, by
20 %. See example on
page 123
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 123
90
Possible change
+10 to -60 °C
FA:0 Temperature rise adjusta-
to ble from 0 to 50 %
FA:50
Fb:0 Duration adjustable from 0
to to 300 min;
1 step ≙ 2 min
Fb:150
(cont.)