LG ARNU15GB3G4.ENCBLEU User Manual download pdf (Page 11)

Installation Manual 11

Installation

ENGLISH

• Select and mark the position for fixing bolts.

•

Drill the hole for set anchor on the face of ceil-

ing.

• Insert the set anchor and washer onto the sus-

pension bolts for locking the suspension bolts

on the ceiling.

•

Mount the suspension bolts to the set anchor firmly.

• Secure the installation plates onto the suspen-

sion bolts (adjust level roughly) using nuts,

washers and spring washers.

1 Set anchor

Old building New building

2 Plate washer

3 Spring washer

4 Nut

5 Suspension

bolts

Connect the wires to the terminals on the control board individually according to the outdoor unit connec-

tion.

• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor

unit respectively.

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.

Terminal Block Indoor

1(L) 2(N)

Terminal Block Indoor

INDOOR POWER INPUT

GN/YL

IDU IDU

Outdoor unit

Indoor unit

Central controller

SODU SODU

DRY1

DRY2

GND

INTERNET

12V

Outdoor unit

Wiring Connection

Indoor Unit Installation

CAUTION : Tighten the nut and bolt

to prevent unit falling.

WARNING : Make sure that the screws of the terminal are free from looseness.

CAUTION : The Power cord connected to the unit should be selected according

to the following specifications.

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 22 23

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LG ARNU15GB3G4.ENCBLEU User Manual Page 11

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