Primary Circuit: Brine/Water, 1-Stage (Type Bw 301C.090 And Bw 301.C120) - Viessmann Vitocal 300-G Pro Installation And Service Instructions For Contractors

Hydraulic connection requirements

Primary circuit: brine/water, 1-stage (type BW 301C.090 and BW 301.C120)

Hydraulic installation scheme
20
22
15
27
Fig. 10
Required equipment
Pos. Description
Heat pump
1
Heat pump control unit
2
Primary pump (fail-safe)
qT
Brine safety assembly
wP
wQ Pressure switch, primary circuit
Brine manifold for geothermal probes/collectors
wW
Geothermal probes
wU
Note
If 2 primary pumps are used, at least 75 % of the nomi-
nal flow rate must be produced during partial load.
(cont.)
21
--2/LP1 X3.8;3.9--
1
2
Electrical installation scheme
For a summary of electrical connections, see from
page 31 and separate "Connection and wiring dia-
gram".
Preparing for installation
17