System Examples; Spare Parts Lists - Viessmann VITOCAL 350-G Series Installation And Service Instructions For Contractors

Product information
Hydraulics
On the primary side of a 2-stage version, either use a
separate primary pump for each stage, or use a
shared primary pump. Irrespective of this, the flow and
return temperature sensors are installed in the primary
circuit on the shared flow and return.

System examples

Available system examples: See www.viessmann-
schemes.com.

Spare parts lists

Information about spare parts can be found on the
Viessmann spare parts app.
(cont.)
Depending on the hydraulic connection, heat pump
stage 2 can be used both for central heating and for
DHW heating. A separate secondary pump and circu-
lation pump for cylinder heating (both accessories) are
therefore required for the heat pump stage 2.
Information
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