Electrical Wiring - LG A2UN186FA0 Service Manual

3) Electrical Wiring

1. Remove the cover control from the unit by loosen-
ing the screw.
Connect the wires to the terminals on the control
board individually as the following.
Terminal on the OUTDOOR UNIT
3 1(L) 2(N) 3 3
1(L) 2(N) 3 1(L) 2(N)
Termi n al on the INDOOR UNIT Termi n al on the INDOOR UNIT
D-UNIT C-UNIT
Terminal on the OUTDOOR UNIT
3 1(L) 2(N) 3 3
1(L) 2(N) 3 1(L) 2(N)
Terminal on the INDOOR UNIT Terminal on the INDOOR UNIT
C-UNIT
Terminal on the OUTDOOR UNIT
3 1(L) 2(N) 3 3
1(L) 2(N)
Terminal on the INDOOR UNIT
If a power plug is not to be used, provide a circuit breaker between power source and the unit as shown below.
Main power source
Air
Conditioner
The power cord connected to the outdoor unit
should be complied with the following specifica-
tions (Rubber insulation, type H05RN-F
approved by HAR or SAA).
OUTDOOR UNIT
1(L) 2(N) 3 1(L) 2(N)
Power cord
3 1(L) 2(N) 3 1(L) 2(N) 3
Termi n al on the INDOOR UNIT Termi n al on the INDOOR UNIT
B-UNIT A-UNIT
OUTDOOR UNIT
1(L) 2(N) 3 1(L) 2(N)
Power cord
3 1(L) 2(N) 3
Terminal on the INDOOR UNIT
B-UNIT A-UNIT
OUTDOOR UNIT
1(L) 2(N) 3 1(L) 2(N)
Power cord
3 1(L) 2(N) 3
Terminal on the INDOOR UNIT
B-UNIT A-UNIT
Circuit Breaker
Use a 20A circuit
breaker or time
delay fuse.
(21K)
NORMAL CROSS-
SECTIONAL AREA
3.5mm
2
Outdoor unit
Holder for
power supply
Cover control
2. Secure the cable onto the control board with the
holder (clamper).
3. Refix the cover control to the original position with
the screw.
4. Use a recongnized circuit breaker between the
power source and the unit. A disconnection device
to adequately disconnect all supply lines must be
fitted.
CAUTION
Main power source
Air
Conditioner
CAUTION
The connecting cable connected to the indoor
and outdoor unit should be complied with the
following specifications (Rubber insulation, type
H07RN-F approved by HAR or SAA).
- 63 -
Terminal block
Over 5mm
cord
Connecting
cable
Power cord
Circuit Breaker
Use a 25A circuit
breaker or time
delay fuse.
(30K)
NORMAL CROSS-
SECTIONAL AREA
0.75mm
2