Viessmann VITOCAL 242-G Installation And Service Instructions Manual page 50

Preparing for installation
System version 4
Information regarding other connections
The primary pump, the secondary pump, the instantaneous heating water hea-
ter and the central heating/DHW three-way diverter valve have already been
connected in the factory.
Components to be connected
Connect components for heating circuit with mixer to
extension kit tP
Only with natural cooling:
Connect the required components to extension kit wP
and natural cooling qR extension kit
Only when using an underfloor heating system:
Connect temperature limiter
50
(cont.)
Connection descrip-
tion
See separate installa-
tion instructions
See separate installa-
tion instructions
See separate installa-
tion instructions