Installation; 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 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
• M1 Chassis
Terminal Block Indoor
L(L1) N(L2)
INDOOR POWER INPUT
• M2 / M3 Chassis
Terminal Block Indoor
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
cable(thinner cable) on the clamp and tighten it with a plastic clamp to the other boss of the control panel.
38 _
Ceiling Concealed Duct(Middle Static)
Outdoor unit Indoor unit
Terminal Block Indoor
SODU SODU
3 4
Terminal Block Indoor Terminal Block Indoor
L(L1) N(L2) 3
INDOOR POWER INPUT
• 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
Central controller
IDU IDU INTERNET DRY1 DRY2 GND
Outdoor unit Indoor unit
SODU SODU INTERNET
4 IDU IDU
New building
Outdoor
unit
12V
Central controller
Outdoor
unit
DRY1 DRY2 GND
12V
2