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ELECTRICAL CONNECTIONS (FOR ENGINEERS ONLY)
5.4.3 Configuration diagram 1-B - solar water heating with pre-heat system
L
N R1 N1 R2 N2 R3 R3 R4 R4 R5 R5
230V
R1
AC
R1
WMZ
S8
Fig. 15
R1
Pump SP, solar circulation system
R3
Pump PB, staged charging system
S1
Temperature sensor (T1), collector FSK
S2
Solar cylinder bottom temperature sensor (T2)
S3
Solar cylinder top temperature sensor
S4
Cylinder B bottom temperature sensor (TB)
S7
Flow heat meter WMZ temperature sensor (option)
S8
Return heat meter WMZ temperature sensor (option)
WMZ Heat meter (option)
24
L3 N3 L4 N4 L5 N5
R3
S1
S7
7747006072-08.1 SD
S1 S2 S3 S4 S5 S6 S7 S8 I9
S1 S2 S3 S4
S3
S2
6 720 644 593 (2010/04)
S7 S8 WMZ
R3
S4
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