LG Electronics LSC183VMA service manual Connecting The Cable Between Indoor Unit and Outdoor Unit

3. Connecting The Cable Between Indoor Unit and Outdoor Unit

1) Connection of the cable
1.	Remove the cover control from the unit
	by loosening the 3 screws.
2.	Dismount caps on the conduit panel.

Wiring Diagram

Connecting cable(Low voltage) b

3.	Temporarily mount the conduit tubes on
	the conduit panel.
4.	Properly connect both the power supply
	and low voltage lines to the
	corresponding terminals on the terminal
	block.
5.	Ground the unit in accordance with local
	codes.
6.	Be sure to size each wire allowing
	several inches longer than the required
	length for wiring.

Indoor Unit	Outdoor Unit
Terminal	Terminal
(4P)	(6P)
1		1
2		2
3		3
4		4
	L1* 5
	L2	6

G

*L1 is neutral for 115V models.

Power supply a

To branch circuit

Ground

7. Use lock nuts to secure the conduit

tubes.

NOTE

Connector trade size for this unit is 1/2". Refer to "How to connect wiring to the terminals" for instructions on connecting depending on the wire type you are using.

WARNING

NOTE

1. shows field wiring.

2.Separately wire the high and low voltage line.

3.Use heat-proof electrical wiring capable of withstanding temperatures up to 167° F.

4.Use outdoor and waterproof connection cable rated more than 300V for the connection between indoor and outdoor unit.

(For example, Type SJO-WA)

•Be sure to comply with local codes while running the wire from the indoor unit to the outdoor unit(size of wire and wiring method, etc).

•Every wire must be connected firmly.

•No wire should be allowed to touch refrigerant tubing, the compressor or any moving parts.

Power Supply

Model	Power source	AWG(MIN.)		Fuse or breaker
				Capacity
		ⓐ	ⓑ
18K	1ø , 208/230V	14	18	20A

Outdoor unit

Terminal block

Over 5mm (2")

Cover control

Conduit panel

Connecting cable

Power supply cord

-24-