Electrical Wiring - LG ARUN096BT2 Installation Manual

Arun series multi v system plus ii

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Installation manual (247 pages)

Service manual (134 pages)

Installation manual (92 pages)

Table Of Contents

Table of Contents

Control box and connecting position of wiring

- Remove all of the screws at front panel and remove the panel by pulling it forward.

Front Panel

WARNING

The temperature sensor for outdoor air should not be exposed to direct sunlight.

- Provide an appropriate cover to intercept direct sunlight.

UW1 Chassis(460V)

Reactor

Bridge

diode

Inverter

PCB

Inverter

FAN PCB

Noise Filter

Transformer

Take care of the phase sequence

of 3-phase 3-wire power system

- Connect communication line between master and

slave outdoor unit through the terminal block.

- Connect communication lines between outdoor unit

and indoor units through the terminal block.

- When the central control system is connected to the

outdoor unit, a dedicated PCB must be connected

between them.

- When connecting communication line between out-

door unit and indoor units with shielded wire, con-

nect the shield ground to the earth screw.

UW1 Chassis(208/230V)

Main

PCB

Magnet

Inverter

switch

PCB

Only below

models :

Inverter

ARUN115DT2

FAN PCB

ARUN134DT2

ARUN154DT2