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10.3
Wiring diagram
10.3.1 Wiring diagram XCU-THH (XCU HY) module
VW1
M M
Q5
Q4
ϑ ϑ
T0
ϑ ϑ
TW1
ϑ ϑ
TW2
Fig. 42 Wiring diagram XCU-THH (XCU HY) module
[VW1]
3-way valve (heating/DHW)
[Q5]
Contactor circulation pump cooling (PK2)
[Q4]
Contactor DHW circulation pump (PW2, accessory)
[T0]
Temperature sensor flow (heating circuit)
[TW1]
Temperature sensor DHW
[TW2]
Temperature sensor DHW top
[PC0]
Circulation pump heat carrier (primary circuit)
38
[PC1]
Circulation pump heating circuit
[JC0]
Pressure sensor
[TC1]
Temperature sensor heat carrier flow (from heat pump)
[TC0]
Temperature sensor heat carrier return (to heat pump)
[HMI]
Control unit UI800
[K30]
Connect-Key K30RF (only in scope for the Netherlands and
Denmark)
Compress 5800i AW – 6721858460 (2023/06)
P
JC0
TC1
ϑ ϑ
TC0
ϑ ϑ
LIN
2
PC0/PC1
M M
HMI
K30
SK
Service
Key
Supply
1
0010038885-006
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