18
Required equipment
Pos.
Designation
1
Heat pump
2
Heat pump control unit
qT
Primary pump (fail-safe)
wP
Brine safety assembly
wQ
Pressure switch, primary circuit
wW
Brine distributor for geothermal probes/collectors
wU
Geothermal probes
Note
If 2 primary pumps are used, at least 75 % of the nomi-
nal flow rate must be produced during partial load.
Electrical installation scheme
For a summary of electrical connections, see from page 37 and separate "Connection and wiring diagram".
Primary circuit: brine/water, 2-stage
Type BW 302.B090, BW 302.B120, BW 302.B150, BW 302.B180, BW 302.B250
Hydraulic installation scheme
22
27
20
21
1
15
--2/211.1--
P1
25
--2/224.2--
P1
2
--KM BUS--
--230 V
--
--F2--
--21
1.1--
--F3--
--224.2--
--LP1 X3.8;3.9--
--2/LP1 X3.8;3.9--
P
Fig.14
Preparing for installation
Primary circuit: brine/water, 1-stage
(cont.)
5549 984 GB
Installation
Summary of Contents for KWT BW 301.B090
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