LG UUA1 Series - WIRING CONNECTION; Electrical Wiring; Connecting Cables between Indoor Unit and Outdoor Unit

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WIRING CONNECTION
ENGLISH
Connecting Cables between Indoor Unit and Outdoor Unit
- Connect the wires to the terminals on the control board individually according to the outdoor
unit connection.
- Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of
indoor unit respectively
Outdoor
Indoor
Main
power source
Switch box
ELCB
RS T N1(L) 2(N) 3
TO INDOOR UNIT
POWER SUPPLY
1(L) 2(N) 1(L) 2(N) 3
POWER SUPPLY TO INDOOR UNIT
1(L) 2(N) 1(L) 2(N) 3
POWER SUPPLY TO INDOOR UNIT
Model Name Phase(Ø) ELCB (A)
UUA1 1 15
UUB1 1 20
UUC1 1 25
UUD1 1 40
UUD3 3 20
Electrical Wiring
Perform the electrical wiring work according
to the electrical wiring connection.
- All wiring must comply with local
requirements.
- Select a power source that is capable of
supplying the current required by the air
conditioner.
- Use a recognized ELCB(Electric Leakage
Circuit Breaker) between the power source
and the unit. A disconnection device to
adequately disconnect all supply lines must
be fitted.
- Model of circuit breaker recommended by
authorized personnel only
WIRING CONNECTION
UUA1 / UUB1 / UUC1 UUD1
UUD3