Wiring Connection; Electrical Wiring; Connecting Cables Between Indoor Unit And Outdoor Unit - LG UU50WR2 Installation Manual

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WIRING CONNECTION

24
WIRING CONNECTION

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

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
1(L) 2(N)
POWER SUPPLY
7 / 8.5 kW
POWER SUPPLY
2.5 / 3.5 / 5 kW
The feature can be different by models.
1(L) 2(N)
3
TO INDOOR UNIT
TO INDOOR UNIT
Main
power source
Indoor
Capacity (kW)
Phase(Ø)
2.5 / 3.5
5
7 / 8.5
10 / 12.5 / 14 / 15
1(L) 2(N)
POWER SUPPLY
10 / 12.5 / 14 / 15 kW
ELCB
Switch box
Outdoor
ELCB (A)
1
15
1
20
1
25
1
40
1(L) 2(N)
3
TO INDOOR UNIT

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