Connecting The Cables - LG Air Conditioner Installation Manual

Connecting the Cables

Indoor
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 circuit diagram is a subject to change without notice.
• The earth wire should be longer than the common wires.
• When installing, refer to the circuit diagram on the chassis cover.
• Connect the wires firmly so that they may not be pulled out easily.
• Connect the wires according to color codes, referring to the wiring diagram.
Provide a circuit breaker between
power source and the outdoor unit as
shown below.
Capacity(Btu/h)
Circuit
Breaker
9k~12k
(A)
15
The power cord connected to the outdoor unit should be complied with the following
specifications (UL recognized or CAS certified).
Power supply cable (208/230V)
The power connecting cable connected to the indoor and outdoor unit should be
complied with the following specifications (UL recognized or CAS certified).
Connecting cable (208/230V)
When using the separate wire as the power cord, please fix the separate wire into the
control box panel by using tie wrap as the fixture.
18k 24k
20 25
AWG_"A"
AWG_"B"
Main power source
Air �
Conditioner
Capacity(Btu/h)
Power
9k/12k/18k
14
"A"
Capacity(Btu/h)
Power
9k/12k/18k/24k
18
"B"
Installation Manual 19
Installation
Circuit Breaker
Use a circuit breaker
or time delay fuse.
24k
12