How To Connect Wirings; Wiring Connection - LG MULTI V ARNU243CFA4 Installation Manual

How to connect wirings

Remove the electric parts Box cover and connect the wiring

Wiring Connection

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
L(L1) N(L2)
Indoor Power Input
WARNING : Make sure that the screws of the terminal are free from looseness.
Clamping of cables
1) Arrange 2 power cables on the control panel.
2) First, fasten the steel clamp with a screw to the inner boss of control panel.
3) For the cooling model, fix the other side of the clamp with a screw strongly. For the heat pump model, put the
AWG18 cable(thinner cable) on the clamp and tighten it with a plastic clamp to the other boss of the control panel.
Power Supply wiring
ground wiring
(Field wiring)
Indoor Unit
Terminal Block Indoor
SODU
YL RD BK A B
B
Wired Remote
Controller
Transmission wiring
(Field wiring)
Outdoor Unit
IDU INTERNET
A - - B A
Installation
DRY1 DRY2 GND 12V
- - - -
Installation Manual 9