Installation Information; Application Information; After Installation - Viessmann 7838380 Notice De Montage

Installation information

Application information

Part no. of replace-
ment control unit
7834 245
7834 249
7834 250
Checking coding addresses
When replacing the control unit, some
coding addresses will have to be read-
justed, depending on the system con-
figuration.
Coding address
82 (gas type)
06
28
31
6F
Boiler service instructions

After installation

After installation, put these instructions
with the boiler service instructions.
Designation of replace-
ment control unit
VBC 130-A04.100
VBC 130-A04.500
VBC 131-A04.100
Designation of control unit to
be replaced
VBC 130-A03.100
VBC 130-A03.200
VBC 130-A03.300
VBC 130-A03.400
VBC 130-A03.500
VBC 131-A03.100
If possible, call up the following coding
addresses prior to installation and
record the set values in the table below.
Set value
GB
13