Bosch AW 4 OR-S - Circuit Diagram XCU-SRH (XCU-HP)

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AW 4 | 5 | 7 OR-S – 6721866761 (2023/06)
10.4.2 Circuit diagram XCU-SRH (XCU-HP)
Fig. 46 Circuit diagram XCU-SRH (XCU-HP)
[JR0] Low pressure sensor
[JR1] High pressure sensor
[TA4] Drip tray temperature sensor
[TC3] Heat transfer medium temperature sensor flow
[TL2] Air inlet temperature sensor
[TR3] Condenser temperature sensor return (liquid pipe in heating
mode)
[TR4] Liquid pipe in cooling mode
[TR5] Suction gas temperature sensor
[TR6] Temperature sensor, discharge hot gas
[VR1] Electronic expansion valve
[EA0] Drip tray heater
[EA1] Heating cable (accessory)
[PL3] Fan
[VR4] 4-way valve
[R1] Relay that controls EA0 and EA1
[1] Power supply, ~230 V
[2] Modbus to Inverter and fan
[3] CAN-BUS from IDU
MODbus
TR5
TR4
TL2
TR1
TC3
TR6
TR3
JR0
VR1
VR4
EA0
EA1
JR1
CANbus
PL3
TA4
R1
10X50XX02X03X04X06X07X08
LINBUS
I53
I54
X01
I56
I57
054055
I55
VR0
VR1
HCM
CAN BUS
CAN BUS
MOD BUS
I58
O68
EA1/
O69
EA0/
O70
I59
I60
I61
I62
I63
I64
I65
I66
NC
220V
IN
L
N
2
1
3
0010039859-004