LG LS-J0910CL Service Manual page 31

(4) Connecting the cable between
indoor unit and outdoor unit
1. Remove the cover control from the unit by loosen-
ing the 3 screws.
2. Dismount caps on the conduit panel.
3. Temporarily mount the conduit tubes on the con-
duit 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.
7. Use lock nuts to secure the conduit tubes.
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
• 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
9K 1ø, 115V
12K 1ø, 115V
18K 1ø, 230/208V
24K 1ø, 230/208V
NOTE
AWG(MIN.)
Fuse or breaker
Capacity
14 18 15A
14 18 20A
14 18 20A
12 18 25A
Wiring Diagram
Indoor Unit Outdoor Unit
Terminal
(4P)
1
2
3
4
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)
Outdoor unit
Terminal block
Over 5mm
(2")
Cover control
- 31 -
Connecting cable(Low voltage)
Terminal
(6P)
1
2
Power supply a
3
4
5
L1*
L2 6
To
G
branch
circuit
Ground
* : Neutral for 115 Vac
NOTE
Conduit panel
Connecting
Power supply
b
cable
cord