Connecting Cables Between Indoor Unit And Outdoor Unit; Clamping Of Cables - LG MULTI V ARNU07GTUA4 Engineering Product Data Book

Indoor unit
10. Installation

10.3 Connecting Cables between Indoor Unit and Outdoor Unit

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
[Indoor Unit side]
Terminal Block Indoor Terminal Block Indoor
L(L1) N(L2) 3(A)
INDOOR POWER INPUT
Terminal Block Indoor Terminal Block Indoor
L(L1) N(L2) 3(A)
INDOOR POWER INPUT
Terminal Block Indoor Terminal Block Indoor
L(L1) N(L2) 3(A)
INDOOR POWER INPUT
WARNING
Make sure that the screws of the terminal are not loose.

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
0.75mm 2 cable(thinner cable) on the clamp and tighten it with a plastic clamp to the other boss of the control panel.
[Outdoor Unit side]
[Type 1]
SODU B SODU A IDU B
4(B)
[Type 2]
SODU IDU
4(B)
B A - -
[Type 3]
Terminal block of outdoor unit
Central controller
4(B) 12V GND DRY2 DRY1 CEN CEN
IDU A INT B INT A
INTERNET DRY1 DRY2 GND 12V
B A - - - -
Indoor unit Outdoor unit
IDU IDU SODU SODU
Ceiling Concealed Duct(High Static)
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