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Aquarea air-to-water heat pumps - Planning and installation manual - 02/2022
Product Description
4
4.7.2.1 External interfaces for J and H generation models
The overview of external interfaces is valid for the following models:
Bi‑bloc systems with All in One unit
Bi‑bloc systems with hydrokit
Mono‑bloc systems
High Performance | J Generation | R32
High Performance | J Generation | R32
High Performance | J Generation | R32
WH-ADC03 WH-UD**JE5(-1)
WH-SDC**J3E5 + WH-UD**JE5(-1)
WH-MDC**J3E5
WH-ADC030 WH-UD**JE5(-1)
High Performance | H Generation | R410A
High Performance | H Generation | R410A
WH-ADC030 WH-UD**JE5(-1)
WH-SDC**H6E5 + WH-UD**HE5
WH-MDC**H6E5
High Performance | H Generation | R410A
WH-SDC**H3E8 + WH-UD**HE8
T‑CAP | J Generation | R32
WH-ADC12 WH-UD**HE5
T‑CAP | H Generation | R410A
WH-MXC**J3E5
WH-ADC121 WH-UD**HE5
WH-SXC**H3E5 + WH-UX**HE5
WH-MXC**J3E8
WH-ADC0916H9E8 + WH-UD**HE8
WH-SXC**H3E8 + WH-UX**HE8
T‑CAP | H Generation | R410A
T‑CAP | H Generation | R410A
WH-SQC**H3E8 + WH-UQ**HE8
WH-MXC**H3E5
WH-ADC12 WH-UX**HE5
WH-MXC**H3E8
WH-ADC121 WH-UX**HE5
WH-ADC0916H9E8 + WH-UX**HE8
WH-ADC0916H9E8 + WH-UQ**HE8
Main PCB
Overview of the external interfaces
2-way valve 3-way valve
Optional
thermostat 1
Electric tank heater
H C N L
C O N C O N
CN3
CN2
CN1
CN4
CN5
CN6
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
5
6
1
1
2
2
3
3
4
4
5
6
Overload protection for
electric tank heater
External control
Operating unit
Bivalent heating source
Additional pumps
Room temperature
sensor heating circuit 1
Outdoor temperature
sensor
Tank temperature sensor
Terminals
Connection
Function
Condition
Cable cross
section
CN1
1 to 3
2-way valve
Allows locking a heating circuit in the cooling
mode.
230 V AC, N = Neutral, O = Open,
C = Closed
Maximum total cable length: 50 m
3 × min.
1.5 mm²
CN1
4 to 6
3-way valve
Allows switchover between heating circuits on
connecting hot water tank.
230 V AC, N = Neutral, O = Open,
C = Closed = Direction
Maximum total cable length: 50 m
3 × min.
1.5 mm²
CN2
1 to 4
Optional thermostat 1
Heating / cooling demand from thermostat.
L N = 230 V AC, H = Heating, C = Cooling
Only functions if the optional
PCB CZ-NS4P is not connected.
Maximum total cable length: 50 m
3 or 4 × min.
0.5 mm²