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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Outdoor unit
Over 5mm
Holder for
power supply
cord
GN/YL
20mm
GN/YL
20mm
AWG 18
AWG 12
Connecting
cable
Cover control
Terminal block
Power supply
cable
A-UNIT
S
V
G
C
B-UNIT
S
V
G
C
Terminal BLOCK
S
V
G
C
Terminal BLOCK
S
V
G
C
L1
L2
Power Source
208/230V AC
(High voltage)
Indoor A-UNIT
Indoor B-UNIT
Connecting cable(Low voltage)
Connecting cable(Low voltage)
WARNING
WARNING
NOTE
NOTE
Connection of the cable
1. Remove the cover control from the unit by
loosening the screw.
2. Dismount caps on the conduit panel.
3. Temporarily mount the conduit tubes on the conduit
panel.
4. Connect the wires to the terminals on the control
board individually as the following.
5. Secure the cable onto the control board with the
holder (clamper).
6. Ground the unit in accordance with local codes.
7. Refix the cover control to the original position with
the screw.
8. Use lock nuts to secure the conduit tubes.
1. Separately wire the high and low voltage line.
2. Use heat-proof electrical wiring capable of
withstanding temperature up to 167˚F.
3. 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.
The power cable connected to the outdoor unit
should be complied with the following specifications.
(UL recognized and CSA certified)
CAUTION
The connecting cable connected to the indoor and
outdoor unit should be complied with the following
specifications. (UL recognized and CSA certified)
