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ELECTRICAL CONNECTIONS (FOR ENGINEERS ONLY)
5.5.8 Configuration diagram 2-CD p-p - heating boost system with swimming pool connected via
second pump, and external heat exchanger
L
N R1 N1 R2 N2 R3 R3 R4 R4 R5 R5
230V
R1
AC
WMZ
S8
Fig. 37
R1
Pump SP, solar circulation system
R2
Pump PD, heat exchanger
R3
Valve DWUD, anti-icing system (option)
R4
Pump PC, 2nd heat consumer
R5
Valve DWU1, return boost
S1
Temperature sensor (T1), collector FSK
S2
Solar cylinder bottom temperature sensor (T2)
S3
Heating return temperature sensor (T4)
S4
Temperature sensor (TD), external heat exchanger
S5
Swimming pool temperature sensor
S6
Solar cylinder middle temperature sensor (T3)
S7
Flow heat meter WMZ temperature sensor (option)
S8
Return heat meter WMZ temperature sensor (option)
WMZ Heat meter (option)
46
L3 N3 L4 N4 L5 N5
R2
R4
R3
5
S1
S7
S2
R1
R4
S1 S2 S3 S4 S5 S6 S7 S8 I9
R5
S1 S2 S3 S4 S5 S6 S7 S8 WMZ
S6
R5
S4
S5
R3
R2
6 720 644 593 (2010/04)
S3
7747006072-22.1 SD
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