LG LT-E1820CL Service Manual page 20

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.
Main power source
CONNECTING THE CABLE TO OUTDOOR UNIT
1. Remove the Cover control from the unit by loosening a
screw.
Connect the wires to the terminals on the control
board individually as following.
2. Secure the cable onto the control board with the hold-
er (clamper).
3. Refix the cover control to the original position with the
screw.
4. Use a recongnized circuit breaker 20A(18K, 24K)
between the power source and the unit. A disconnec-
tion device to adequately disconnect all supply lines
must be fitted.
Circuit Breaker
Use circuit breaker or time delay fuse.
Switch box
Refrigerant pipe
Outdoor unit
Terminal block
Over 5mm
Holder for
power supply
cord
Cover control Holder for
–20–
Power supply
cord
Connecting
cable
connecting
cable