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5.5.7 Configuration diagram 2-CD p-v - heating boost system with 2 cylinders connected via valve
and external heat exchanger
L
N R1 N1 R2 N2 R3 R3 R4 R4 R5 R5
230V
R1
AC
WMZ
R1
Fig. 36
R1
Pump SP, solar circulation system
R2
Pump PD, heat exchanger
R3
Valve DWUD, anti-icing system (option)
R4
Valve DWUC for cylinder selection
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
Cylinder C bottom temperature sensor (TC)
S6
Cylinder C top temperature sensor (T3)
S7
Flow heat meter WMZ temperature sensor (option)
S8
Return heat meter WMZ temperature sensor (option)
WMZ Heat meter (option)
L3 N3 L4 N4 L5 N5
R2
R3
S1
S7
S2
S4
S8
R4
R3
6 720 644 593 (2010/04)
ELECTRICAL CONNECTIONS (FOR ENGINEERS ONLY)
S1 S2 S3 S4 S5 S6 S7 S8 I9
R4
R5
S1 S2 S3 S4 S5 S6 S7 S8 WMZ
S6
S5
R2
S3
R5
7747006072-17.1 SD
45
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