Changing The Language (If Required) - Viessmann FB2A Installation And Service Instructions For Contractors

Further details regarding the individual steps
Note
If the control unit has not been
switched ON prior to filling the sys-
tem, then the servomotor of the
diverter valve will still be in its central
position, and the system will be com-
pletely filled.
Note
Lever on valve B must be in the
"l.h." position.

Changing the language (if required)

Note
At the commissioning stage, the display
is in German (default setting)
Extended menu:
1. å
2. "Settings"
Commissioning, inspection, maintenance
(cont.)
4. If the control unit had already been
switched ON before filling began:
Switch control unit ON and activate
filling program (see next steps).
Note
For function and details of the fill pro-
gram, see page 113.
5. Close boiler fill & drain valve A.
Activating the filling function:
1. Press OK and
approx. 4 s.
2. "Service functions"
3. "Filling"
4. Ending filling function:
Press OK or .
3. "Language"
Sprache
Deutsch
Cesky
Dansk
English
Wählen mit
4. Set the required language with / .
simultaneously for
DE
ç
CZ
DK
GB
25