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Connecting the Cable between Indoor Unit and Outdoor Unit
Connect the cable to the Indoor unit.
Connect the cable to the indoor unit by connecting the wires to the terminals on the control
board individually according to the outdoor unit connection. (Ensure that the color of the wires
of the outdoor unit and the terminal No. are the same as those of the indoor unit.)
The ground wire should be longer than the common wires.
The circuit diagram is not subject to change without notice.
When installing, refer to the electrical diagram behind the front panel of Indoor Unit.
The wiring for the outdoor unit can be found on the inside of the Outdoor Unit control cover.
RECOMMENDATION:
• The circuit diagram is subject to change without notice.
• Be sure to connect wires according to the wiring diagram.
• Connect the wires firmly, so that they can not be pulled out easily.
• Connect the wires according to color codes by referring to the wiring diagram.
RECOMMENDATION: Provide a
circuit breaker between power
source and the outdoor unit as
shown below.
Outdoor Unit
Power source Fuse or breaker
Capacity
(Btu/h class)
18k
1ø,208/230V
24k
1ø,208/230V
36k
1ø,208/230V
RECOMMENDATION: The power cord connected to the outdoor unit should be
comply with the following specifications: ETL recognized and CSA certified.
18 kBtu/h class
Line voltage
(208/230V)
The power connecting cable connected to the indoor
and outdoor unit should be comply with the
following specifications: ETL recognized and CSA
certified.
RECOMMENDATION: When using the separate wires as the power cord, please
secure the separate wires into the control box panel using tie wraps to hold all
wires together in place.
Connecting the Cable between Indoor Unit and Outdoor Unit
Capacity
15A
25A
25A
24/36 kBtu/h class
AWG14
Main power source
Air
Circuit Breaker
Conditioner
Use a circuit breaker
or time delay fuse.
AWG12
Line voltage
(208/230V)
AWG18
Installation Manual 37
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