LG MFL39817303 Installation Manual page 20

Installation
2. Front panel removing
Raise the link up to hook hanger and remove front panel forward.
• The circuit diagram is not subject to change without notice.
• Be sure to connect wires according to the wiring diagram.
• The earth wire should be longer than the common wires.
• 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.
• Connect the wires firmly, so that not to be pulled out easily.
• Connect the wires according to color codes by referring to the wiring diagram.
Provide a circuit breaker between
power source and the outdoor unit as
shown below.
Circuit
Breaker
9k~12k
(A)
15
The power cord connected to the outdoor unit should be complied with the following
specifications (ETL recognized and CSA certified).
Power supply cable (208~230V)
The power connecting cable connected to the indoor and outdoor unit should be
complied with the following specifications (ETL recognized and CSA 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.
20 Room Air Conditioner
Grade(Btu/h)
18k 24k
20 25
AWG_"A"
AWG_"B"
Main power source
Air
Conditioner
Grade(Btu/h)
Power
9/12/18k
14
"A"
Grade(Btu/h)
Power
9/12/18k/24k
"B"
Circuit Breaker
Use a circuit breaker
or time delay fuse.
24k
12
18