LG TM-1830C2L Svc Manual page 28

Connection of the cable
1. Remove the cover control from the unit by
loosening the screw.
A-UNIT
L1 L2 C G
Power Source
208/230V AC
(High voltage)
C G V S
Terminal BLOCK
Indoor A-UNIT
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.
NOTE
NOTE
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)
WARNING
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.
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
B-UNIT
V S C G V S
Connecting cable(Low voltage) Connecting cable(Low voltage)
C G V S
Terminal BLOCK
Indoor B-UNIT
Outdoor unit
Terminal block
Over 5mm(0.2")
Holder for
power supply
cord
Cover control
The power cable connected to the outdoor unit
should be complied with the following specifications.
(UL recognized and CSA certified)
The connecting cable connected to the indoor and
outdoor unit should be complied with the following
specifications. (UL recognized and CSA certified)
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Power supply
cable
Connecting
cable
CAUTION
AWG 12
AWG 18
LGE Internal Use Only