Wiring Connection - LG UU21WH Installation Manual

Wiring Connection

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
Capacity
3.5kW
5kW
6kW
7kW
The power cord connected to the outdoor unit should be
complied with the following specifications ( This equipment
shall be provided with a cord set complying with the
national regulation.
If the supply cord is damaged, it must be replaced by a special cord or assembly available from the manufacturer of its service agent.
Precautions when laying power wiring
Use round pressure terminals for connections to the power terminal block.
When none are available, follow the instructions below.
• Do not connect wiring of different thicknesses to the power terminal block. (Slack in the power
wiring may cause abnormal heat.)
• When connecting wiring which is the same thickness, do as shown in the figure below.
W
ARNING:
Make sure that the screws of the terminal are free from looseness.
14
ELCB Phase(Ø)
15A
20A
1
25A
Round pressure terminal
Main
power source
Indoor
CAUTION
Power wire
ELCB
Switch box
Outdoor
NORMAL CROSS-SECTIONAL AREA
Capacity 1 Phase
2
3.5/5/6/7 kW 2.5mm