Hydraulic Diagram - Viessmann Vitocal 300-G Installation And Service Instructions Manual

Compact heat pump with electric drive type bw/bwc, ww/wwc
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Preparing for installation
System version 1 (type BW/WW)
(cont.)
Note
The hydraulic scheme is shown with heat pump type BW.
For type BWC, primary pump, secondary pump and three-way valve are already
integrated and connected within the appliance.

Hydraulic diagram

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