LG CEA Series, Installation Manual

Page: 15 / 25

Installation Manual 15
ENGLISH
Installation
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.
Terminal Block Indoor
INDOOR POWER INPUT
IDU IDU
Outdoor unit Indoor unit
Central controller
SODU SODU DRY1 DRY2 GND INTERNET 12V
Outdoor unit
1(L1) 2(L2) 3(A) 4(B)
Wiring Connection
WARNING : Make sure that the screws of the terminal are free from looseness.
How to connect wirings
Remove the electric parts Box cover and connect the wiring
Power Supply wiring
ground wiring
(Field wiring)
Transmission wiring
(Field wiring)
WARNING : Loose wiring may cause the terminal to overheat or result in unit
malfunction.
A fire hazzard may also exist.
Therefore, be sure all wiring is tightly connected.
Connection method of the connecting cable(Example)
Lock nut
Conduit
mounting
plate
Conduit
1(L1) 2(L2)
3(A) 4(B)
Power Supply
High Voltage
(208/230V)
Transmission
Lock nut
Conduit
mounting
plate
Conduit
1(L1) 2(L2)
3(A) 4(B)
Power Supply
High Voltage
(208/230V)
Transmission
Without case
With case