Configuration Diagram 1-Ab - Solar Water Heating With 2Nd Collector Array And Staged Charging System - Bosch Worcester TDS 300 Installation And Operating Instructions Manual

5.4.4 Configuration diagram 1-AB - solar water heating with 2nd collector array and staged
charging system
L N R1 N1 R2 N2 R3 R3 R4 R4 R5 R5
230V
R1
AC
R1
WMZ
S8
Fig. 16
R1 Pump SP, solar circulation system
R2 Pump PA, 2nd collector array
R3 Pump PB, staged charging system
S1 Temperature sensor (T1), collector FSK, array 1
S2 Solar cylinder bottom temperature sensor (T2)
S3 Solar cylinder top temperature sensor
S4 Cylinder B bottom temperature sensor (TB)
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
7747006072-09.1 SD
6 720 644 593 (2010/04)
ELECTRICAL CONNECTIONS (FOR ENGINEERS ONLY)
S1 S2 S3 S4 S5 S6 S7 S8 I9
S1 S2 S3 S4 S5
S3
S2
S7 S8 WMZ
R3
S4
25