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Installation
6.8.2.3 Brief Overview of the External Interfaces
Hydro-module and Compact systems F-Generation
1
2
3
4
5
6
7
2-way valve
3-way valve
E-Heating
element hot
water tank
Combination hydro-module, hydro-module and compact systems H-Generation
Main PCB
184
Aquarea air-to-water heat pumps - Planning and installation manual - 01/2018
8
9 10 11 12
13 14 15 16 17 18
19 20 21
22 23
Room
Temperature
Solar 3-way
Solar pump
thermostat
sensor for hot
valve
station
water tank
Overload
External control
protection for hot
signal
water tank
CN6
1
Overload protection for E-heat-
ing element hot water tank
2
Room temperature
3
sensor HK1
4
CN5
Outdoor temperature
1
sensor
2
3
Tank temperature sensor
4
CN4
1
External control
2
3
Operating unit
4
CN3
1
Bivalent heating source
2
3
Additional pumps
4
CN1
CN2
1
2
3
4
5
6
1
2
3
4
5
E-Heating element hot
water tank
6
C O N C O N
H C N L
2-way valve 3-way valve
Optional
Thermostat 1
Additional PCB CZ-NS4P
Optional thermostat 2
L
N Cool Heat L
1
2
CN201
1
Swimming pool pump
2
3
Solar station
4
5
Fault reporting signal
6
1
Pump heatC. 1
2
3
Pump heatC. 2
CN205
4
i
Note
For further information about connecting the optional on-site accessories, please refer to the
following sections:
→ 4.7.2 External interfaces (in-/outputs), p. 59
ed on-site accessories, p.
76.
Aquarea air-to-water heat pumps - Planning and installation manual - 01/2018
Installation
Optional Thermostat 1
Mixing valve 1
Mixing valve 2
N Cool Heat
N
O
C
N
O
C
3
4
1
2
3
4
1
2
3
4
5
6
CN202
CN203
External compressor
1
switch
2
3
Heating/ Cooling Switch
4
1
Vcc
2
3
Bit1
SG-Signal
4
Bit2
CN204
CN207
1
1
1
2
3
4
5
6
2
3
4
5
6
2
3
4
and
→ 4.8.3 Recommend-
185
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