Viessmann VBC135-A60.2 Serie Instrucciones De Montaje página 13

Installation information
!
Please note
Incorrectly executed work puts
people and materials at risk.
Installation
Installation on Vitodens
Replacing components
1. If present, remove the following
components from the faulty control
unit and install them in the new
control unit:
■ LON communication module
■ Internal H1 or H2 extension
■ Programming unit
The control unit may only be
installed by authorised electri-
cians.
2.
Establish a connection to Vitoconnect
(accessories).
To do so, disconnect the plug and
reconnect it to the new control unit.
GB
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