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Required equipment
Pos.
Designation
1
Heat pump
2
Heat pump control unit
qT
(First) primary pump (fail-safe)
wP
Brine safety assembly
wQ
Pressure switch, primary circuit
wW
Brine distributor for geothermal probes/collectors
wT
Optional: Second primary pump (fail-safe) for stage 2
Note
■ Contactor relay required.
■ Size first primary pump
qT
for partial load.
wU
Geothermal probes/geothermal collectors
Electrical installation scheme
For a summary of electrical connections,
see from page 50 and separate "con-
nection and wiring diagram".
Preparing for installation
Primary circuit: brine/water, 2-stage
(cont.)
5772 458 GB