6
1.
Connect the pipework.
2.
Install the cascade 2-way valve.
Cascade 2-way valve installation instructions
Installing the return distribution set 3-way diverter valve
■
Types PZS and PZM:
The 3-way diverter valve is installed and connected
at the factory.
■
Types PBS, PBM and PBL:
The 3-way diverter valve is part of the return distribu-
tion set, accessories.
Installation:
Return distribution set installation instructions
Changing the rotational direction
Opening the wiring chamber
1.
Fig.1
Installation sequence
Installing the cascade
5517 095 GB
Installation
Summary of Contents for VITOTRANS 353
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