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9.6.6 Connection for other components
Unit 5-16kW
See 9.2.1for detailed port description.
Port provide the control signal to the load.Two kind of
control signal port:
Type 1：Dry connector without voltage.
Type 2：Port provide the signal with 220V voltage. If the
current of load is <0.2A, load can connect to the port
directly.
If the current of load is >=0.2A, the AC contactor is
required to connected for the load.
Load
FUSE
L
N
Power supply
7 5 3
1
A1
A2
8 6 4
2
Contactor
TCO
CN11
Type 1
CN11
Load
ATCO
Type 2
Control signal port of hydraulic module: The CN11 contains
terminals for 3-way valve, pump, booster heater , etc.
The parts wiring is illustrated below:
1) For additional heat source control(AHS)：
FUSE
L
Power supply
7 5 3 1
A1
KM1
A2
8
6
4
2
Additional heat source
Voltage
Maximum running current(A)
Wiring size(mm
)
2
Control port signal type
1 2
AHS1 AHS2
Load
FUSE
L
N
Voltage
Maximum running current(A)
Wiring size(mm
)
2
Control port signal type
This part only applies to Basic. For Customized, cause
there is an interval backup heater in the unit, the
hydraulic module should not be connected to any
additional heat source.
32
1 2
AHS1 AHS2
CN11
N
220-240VAC
0.2
0.75
Type 2
CN11
220-240VAC
0.2
0.75
Type 2
WARNING
V.1
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