5.4.2 Configuration diagram 1-A - solar water heating with 2nd collector array
L
N R1 N1 R2 N2 R3 R3 R4 R4 R5 R5
230V
R1
AC
R1
WMZ
S8
Fig. 14
R1
Pump SP, solar circulation system
R2
Pump PA, 2nd collector array
R3
Pump PE, thermal disinfection (option)
S1
Temperature sensor (T1), collector FSK, array 1
S2
Solar cylinder bottom temperature sensor (T2)
S3
Solar cylinder top temperature sensor (option)
S5
Temperature sensor (TA), collector FSK, array 2
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
S5
S1
R2
S7
6 720 644 593 (2010/04)
ELECTRICAL CONNECTIONS (FOR ENGINEERS ONLY)
S1 S2 S3 S4 S5 S6 S7 S8 I9
S1 S2 S3
S3
S2
S5
S7 S8 WMZ
R3
6720613732-12.1 SD
23