Viessmann VITOCAL 242-G Installation And Service Instructions Manual page 23

System version 1
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
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
(cont.)
Preparing for installation
Connection descrip-
tion
See separate installa-
tion instructions
see page 68
23