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

ELECTRICAL CONNECTIONS (FOR ENGINEERS ONLY)
5.4.11 Configuration diagram 1-ABD - solar water heating with 2nd collector array, staged charging
system and external heat exchanger
L N R1 N1 R2 N2 R3 R3 R4 R4 R5 R5
230V
R1
AC
S1
R1
WMZ
S8
Fig. 23
R1 Pump SP, solar circulation system
R2 Pump PD, heat exchanger
R3 Pump PD, charge transfer
R4 Pump PA, 2nd collector array
R5 Valve DWUD, anti-icing system (option)
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, collector FSK, array 2
S6 Temperature sensor (TD), external heat exchanger
S7 Flow heat meter WMZ temperature sensor (option)
S8 Return heat meter WMZ temperature sensor (option)
WMZ Heat meter (option)
32
L3 N3 L4 N4 L5 N5
R2 R3
S5
S7
R4
7747006072-30.1 SD
S1 S2 S3 S4 S5 S6 S7 S8 I9
R4 R5 S1 S2 S3 S4 S5 S6 S7 S8 WMZ
S3
S6
R5
R2
6 720 644 593 (2010/04)
R3
S2 S4