Viessmann VBC135-A60.2 Serie Instrucciones De Montaje página 16

GB
Installation
Replacing components
1.
1. If present, remove the LON com-
munication module from the faulty
control unit and install it in the new
control unit.
2. Disconnect the wiring and plug it
into the new control unit.
Connection and wiring
diagram
Installation instructions
4. Insert the new control unit and
secure with screws.
16
(cont.)
2.
3.
4x
5. Note
Do not continue to use the coding
card of the faulty control unit. The
coding card is already plugged into
the new control unit or is included
with it.