Configuration Diagram 2-A - Heating Boost System With 2Nd Collector Array - Bosch Worcester TDS 300 Installation And Operating Instructions Manual

ELECTRICAL CONNECTIONS (FOR ENGINEERS ONLY)

5.5.2 Configuration diagram 2-A - heating boost system with 2nd collector array

L N R1 N1 R2 N2 R3 R3 R4 R4 R5 R5
230V
R1
AC
R1
WMZ
S8
Fig. 31
R1 Pump SP, solar circulation system
R2 Pump PA, 2nd collector array
R5 Valve DWU1, return boost
S1 Temperature sensor (T1), collector FSK, array 1
S2 Solar cylinder bottom temperature sensor (T2)
S3 Heating return temperature sensor (T4)
S4 Solar cylinder top temperature sensor (option)
S5 Temperature sensor (TA), collector FSK, array 2
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)
40
L3 N3 L4 N4 L5 N5
R2
5
S5
S1
R2
S7
S1 S2 S3 S4 S5 S6 S7 S8 I9
R5 S1 S2 S3 S4 S5 S6 S7 S8 WMZ
S4
S6
S2
6 720 644 593 (2010/04)
S3
R5
7747006072-11.1 SD