20
Equipment required
Pos.
Designation
1
Heat pump I
2
Heat pump control unit with LON communication module (accessory)
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. Ob-
serve minimum flow rate.
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
Electrical installation scheme
For a summary of electrical connections, see from
page 37 and separate "Connection and wiring dia-
gram".
Preparing for installation
Primary circuit: brine/water, cascade
(cont.)
5549 984 GB
Installation
Содержание KWT BW 301.B090
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