Primary Circuit, Type Bw 301.A, Bwc 301.A (Brine/Water) - Viessmann Vitocal 300-G Installation And Service Instructions Manual

Preparing for installation

Primary circuit, type BW 301.A, BWC 301.A (brine/water)

Hydraulic installation scheme
21
--2/X3.8;3.9--
20
22
15 6 4
7
27
1
2
Note
Type BWC 301.A is shown. The circulation pumps are installed and connected at the
factory (primary pump qT, secondary pump 6, circulation pump for cylinder heating
7, instantaneous heating water heater 4 optional).
In type BW 301.A, no circulation pumps are installed at the factory. For the connection
of primary pump qT, see "Primary circuit, type BW 301.A + BWS 301" (page 19).
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