Installation; Clamping Of Cables; Checking The Drainage - LG MULTI V ARNU07GTUA4 Engineering Product Data Book

Indoor unit

10. Installation

10.4 Connecting Cables
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
L1/L2/L3 Chassis
Indoor unit
Terminal Block Indoor
L(L1) N(L2)
INDOOR POWER INPUT

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.

10.5 Checking the Drainage

• Spray one or two glasses of water on the evaporator.
• Ensure that water flows drain hose of indoor unit without any leakage.
Outdoor unit
[Type 1]
Outdoor unit
Terminal Block Indoor
SODU SODU
3 4
[Type 2]
12V
Central controller
Indoor unit
IDU IDU INTERNET
Terminal block of outdoor unit
Central controller
GND DRY2 DRY1 CEN CEN
Ceiling Concealed Duct(Low Static)
DRY1 DRY2 GND
12V
Outdoor unit
Indoor unit
IDU IDU SODU SODU
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