Bosch CS5800iAW 12 E G3 - XCU-THH Module Connections

Electrical connection
Compress 5800i AW – 6721862724 (2023/06)
26
6.10.7 Connections XCU-THH (XCU HY) module
Fig. 33 Connections
[I1] External input 1:
[I2] External input 2: Block heating or DHW
[I3] External input 3: Heating circuit overheat protection (safety
thermostat)
[I4] External input 4: SmartGrid (SG) / Photovoltaic (PV)
[MD1]Condensation sensor (cooling mode accessory)
[T0] Temperature sensor, flow
[T1] Temperature sensor, outdoor
[TW1]Temperature sensor DHW
[TW2]Temperature sensor DHW
[1] EMS-BUS to accessory
[2] CAN-BUS to heat pump (ODU)
The tightening torque of the screws for the connectors of the XCU-THH
(XCU HY) must be 0.5Nm.
▶ Place a cable tie in front of each XCU-THH (XCU HY) connector.
Fig. 34 Cable tie on connector
EMS-Bus
1
CAN-Bus
To ODU
2
I1
I2
I3
I4
ϑϑ
T1
MD1
ϑ
%
ϑϑ
T0
ϑϑ
TW1
ϑϑ
TW2
0010040323-002