28
Equipment required
Pos.
Designation
1
Heat pump I
2
Heat pump control unit with LON communication module (accessories)
9
Heat pump II
qT
Primary pump, heat pump I (fail-safe)
Note
For 2-stage Vitocal 300-G Pro, a primary pump can be used for stages 1
and 2 respectively.
wP
Brine safety assembly
wQ
Pressure switch, primary circuit
wW
Brine distributor, geothermal probes/collectors
wT
Primary pump, heat pump II (fail-safe)
Note
For 2-stage Vitocal 300-G Pro, a primary pump can be used for stages 1
and 2 respectively.
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, cascade
(cont.)
5772 458 GB