Connecting Cables; Clamping Of Cables - LG MULTI V ARNU07GTUA4 Engineering Product Data Book

Indoor unit
10. Installation
• Select and mark the position for fixing bolts.
• Drill the hole for set anchor on the face of ceiling.
CAUTION
Tighten the nut and bolt to prevent unit falling.

10.3 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
[Indoor Unit side]
Terminal Block Indoor
L(L1) N(L2)
INDOOR POWER INPUT
Terminal Block Indoor
L(L1) N(L2)
INDOOR POWER INPUT
Terminal Block Indoor
L(L1) N(L2)
INDOOR POWER INPUT
WARNING
Make sure that the screws of the terminal are not from 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]
Terminal Block Indoor
SODU B
3(A) 4(B)
[Type 2]
Terminal Block Indoor
SODU
3(A) 4(B)
B
[Type 3]
Terminal Block Indoor
3(A) 4(B)
12V GND
• Insert the set anchor and washer onto the suspension
bolts for locking the suspension bolts on the ceiling.
• Mount the suspension bolts to the set anchor firmly.
• Secure the installation plates onto the suspension
bolts (adjust level roughly) using nuts, washers and
spring washers.
Old building
1 Set anchor
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
bolts
SODU A IDU B IDU A INT B
IDU INTERNET
A - - B A
Terminal block of outdoor unit
Central controller
Indoor unit
DRY2 DRY1 CEN CEN IDU IDU
Ceiling Concealed Duct_Built in (Low Static)
New building
INT A
DRY1 DRY2 GND 12V
- - - -
Outdoor unit
SODU SODU
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