English, Connecting the piping connection of the cable – LG 3828A30087S User Manual

Page 23

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Installation Manual 23

ENGLISH

Installation

Connecting the Piping

Connection Of The Cable

1

Indoor Unit

Outdoor Unit

2

3

4

1

2

3

4

5

6

G

To
branch
circuit

Ground

Power supply a

L1

*

L2

Connecting cable(Low voltage)

b

Terminal

(4P)

Terminal

(6P)

Outdoor unit

Wiring Diagram

Terminal block

Over 5mm

(0.2")

Cover control

Conduit panel

Connecting

cable

Power supply

cord

*

L1 is neutral for 115V models.

1. Remove the cover control from the unit by

loosening the 3 screws.

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.

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 STOW)

• 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.

Connector trade size for this unit is 1/2"

for instructions on connecting depending on

the wire type you are using.

WARNING

NOTE

Power Supply

Model

Power source

12k

1ø, 115V

14

18

20A

AWG(MIN.)

Fuse or breaker

Capacity

NOTE

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