LG FMN0760NL Service Manual page 59

3) Electrical Wiring
1. All wiring must comply with LOCAL REGULATIONS.
2. Select a power source that is capable of supplying the current required by the air conditioner.
3. Feed the power source to the unit via a distribution switch board designed for this purpose.
4. The terminal screws inside the control box may be loose due to vibration during transport.
Check the screws for loose connection.
(Running the air conditioner with loose connection can overload and damage electrical components.)
5. Always ground the air conditioner with a grounding wire and connector to meet the LOCAL REGULATION.
F-Unit
Terminal Block
of Indoor Unit
3(F) 2(N) 1(L) 3(E)
c
6 5
2(N) 2(N) 2(N) 1(L) 1(L) 1(L)
Terminal Block of Outdoor Unit
POWER INPUT
3Ø 4W 380-415V 50Hz
Power Cord
R S
R S
Terminal Block of Outdoor Unit
CAUTION
• If a power plug is not to be used, provide a circuit breaker between power source and the unit as shown
below.
E-Unit D-Unit
Terminal Block Terminal Block
of Indoor Unit of Indoor Unit
2(N) 1(L) 3(D) 2(N) 1(L)
c 6 3 b
4 3 2 1
T N
T N
Main power source
Air
Conditioner
C-Unit
Terminal Block
of Indoor Unit
3(C) 2(N) 1(L) 3(B)
5 2 b 5 2
c b a
F E
F E
Terminal Block of Outdoor Unit
Circuit Breaker
Use a 25A circuit
breaker or time
delay fuse.
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B-Unit A-Unit
Terminal Block Terminal Block
of Indoor Unit of Indoor Unit
2(N) 1(L) 3(A) 2(N) 1(L)
a 4 1 a
D C B A
D C B A