Resetting Codes To Their Delivered Condition - Viessmann VITODENS 200-W WB2B Service Instructions For Contractors

Code 2
(cont.)
Coding in the delivered condition
FA:20 Raising the set boiler
water temperature or
the set flow temperature
when changing from op-
eration with reduced
room temperature to op-
eration with standard
room temperature, by
20 %. See example on
page 100 (only for
weather-compensated
control units).
Fb:30 Duration for raising the
set boiler water tem-
perature or the set flow
temperature (see cod-
ing address "FA")
60 min. See example on
page 100 (only for
weather-compensated
control units).

Resetting codes to their delivered condition

Constant temperature control unit:
1. L + G simultaneously for
approx. 2 s.
2. e press.
Weather-compensated control unit:
1. L + G simultaneously for
approx. 2 s.
Possible change
FA:0 Temperature rise adjusta-
to ble from 0 to 50 %
FA:50
Fb:0 Duration adjustable from
to 0 to 300 min;
Fb:150 1 step
2. e "Factory set? Yes"
appears.
3. d to confirm
or
a/b to select "Factory set?
No".
Coding
2 min
59