LG MULTI V ARNU07GTUA4 Engineering Product Data Book page 370

Indoor unit
11. Installation
11.5 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.
BR(Chasiss)48K
Terminal Block Indoor Terminal Block Indoor
L(L1) L(L2)
INDOOR POWER INPUT
B8(Chasiss)96K
Terminal Block Indoor Terminal Block Indoor
L(L1)
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
0.75mm 2 cable(thinner cable) on the clamp and tighten it with a plastic clamp to the other boss of the control panel.
INSULATION, OTHERS
THERMAL INSULATION
Union for liquid pipe
Outdoor unit Indoor unit
3 4 IDU IDU
SODU SODU
Terminal Block Indoor
L(L2) 3 4
Insulate the joint and tubes completely.
All thermal insulation must comply with local requirement.
Refrigerant pipe and thermal
insulator(Local supply)
Hose crip for thermal insulator
(Local supply)
Thermal insulator for refrigerant pipe
(Local supply)
Union for gas pipe
Central controller
Outdoor unit
INTERNET DRY1 DRY2 GND
12V
Central controller
Outdoor unit Indoor unit
IDU IDU INTERNET DRY1 DRY2 GND
SODU SODU
Thermal insulator for refrigerant pipe
(Local supply) Thermal insulator for
Hose crip for thermal insulator(Local supply)
Make sure that there is no clearance here.
Outdoor
unit
12V
piping(Local supply)
Overlap with thermal
insulator for piping.
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Fresh Air Intake Unit