Viessmann VITOCAL 300 Installation And Service Instructions Manual page 31

Additions to the system versions
Connection diagram
| Open
Required devices
Pos. Description
2
Three-way diverter valve, heating/DHW
eE
Vitocell-V 100, type CVW (390 litre capacity)
eZ
Cylinder temperature sensor, top
rP
Spring-loaded check valve
rW
Immersion heater EHO (installation either at the top or
bottom)
rU
DHW circulation pump
Preparing for installation
(cont.)
~ CLOSE
K Contactor relay (on site)
Qty.
1
1
1
1
1
1
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