Connecting The Cable Between Indoor Unit And Outdoor Unit; Connect The Cable To The Indoor Unit - LG LAN126HNP Manual

Connecting the cable between indoor unit and outdoor unit

Connecting the Cables
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. 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.
NOTICE
Connector trade size for this unit is 1/2"(12.7mm).
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
Power
Model
source
9k/12k 1Ø, 115V
Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
AWG(MIN)
Fuse or breaker
ⓐ ⓑ
Capacity
14 18 20A
Connecting the cable between indoor unit and outdoor unit
Wiring Diagram
Indoor Unit
Terminal
(4P)
1
2
3
4
L1 is neutral for 115V models.
*
NOTICE
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(75°C).
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
(0.2")
Cover control
- 25 -
Connecting cable(Low voltage) b
Outdoor Unit
Terminal
(6P)
1
2
Power supply a
3
4
5
*
L1
L2 6
To
G
branch
circuit
Ground
Conduit panel
Connecting
cable
Power supply
cord
LGE Internal Use Only