Wiring Connection; Electrical Wiring; Connecting Cables Between Indoor Unit And Outdoor Unit - LG UU36WR 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
Standard Inverter: 1 Phase 9 k/12 k/18 k/30 k
Compact Inverter: 1 Phase 18 k/24 k/30 k/36 k
1(L) 2(N)
3
TO INDOOR UNIT
1(L) 2(N)
3
TO INDOOR UNIT
3 Phase 36 k/42 k/48 k/60 k
Main
power source
Indoor
1) Standard Inverter
Capacity(kBtu/h)
9 / 12
18
24 / 30
36 / 42 / 48 / 60
36 / 42 / 48 / 60
2) Compact Inverter
Capacity(kBtu/h)
18
24 / 30
36
1(L) 2(N)
1(L) 2(N)
POWER SUPPLY
TO INDOOR UNIT
1 Phase 24 k/36 k/42 k/48 k/60 k
R
S
T
N
POWER SUPPLY
ELCB
Switch box
Outdoor
Phase(Ø)
ELCB
1
15 A
1
20 A
1
30 A
1
40 A
3
20 A
Phase(Ø)
ELCB
1
15 A
1
20 A
1
30 A
3

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