LG ARUV120BTS4 - User Manual

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INSTALLATION MANUAL
AIR CONDITIONER
• Please read this installation manual completely before installing the product.
• Installation work must be performed in accordance with the national
wiring standards by authorized personnel only.
• Please retain this installation manual for future reference after reading
it thoroughly.your set and retain it for future reference.
P/NO : MFL67221415
220-240 V3~ 50Hz / 220 V3~ 60Hz
ENGLISH

Summary

IMPORTANT SAFETY INSTRUCTIONS

REFRIGERANT PIPING INSTALLATION

Precautions on Pipe connection; Valve operation

Essential precautions for connecting pipes and operating valves during refrigerant piping.

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT

ELECTRICAL WIRING

INSTALLATION PROCESS

OUTDOOR UNITS INFORMATION

ALTERNATIVE REFRIGERANT R410 A

SELECT THE BEST LOCATION

INSTALLATION

Foundation for Installation

Instructions for creating a stable and secure foundation for the outdoor unit.

Preparation of Piping

Refrigerant piping on three principles

Nitrogen substitution method

Method for preventing internal oxidation during welding using nitrogen.

Refrigerant piping system

1 Outdoor Unit Piping Configurations

Various piping methods for single outdoor unit systems.

Series Outdoor Unit Piping Configurations

Pipe Connection Method between outdoor unit;indoor unit

Pipe Connection Method;Precautions for Series connections between Outdoor units

The amount of Refrigerant

Distribution Method

Refrigerant charging

Branch pipe Fitting

Y branch

Header

Leak Test and Vacuum drying

Leak test

Method for performing a nitrogen gas leak test.

Vacuum

Process for vacuum drying the system using a vacuum pump.

Vacuum Mode

Vacuum mode setting method

Communication and Power Cables

Wiring of main power supply and equipment capacity

Field Wiring

Automatic Addressing

The Procedure of Automatic Addressing

Group Number setting

Group Number setting for Indoor Units

Night Low Noise Function

Night low noise function setting method

Setting the ODU address

Self-Diagnosis Function

Error Indicator

How error codes are displayed on units and control boards.

Indoor unit related error

List and causes of errors related to indoor units.

Outdoor unit related error

List and causes of errors related to outdoor units.

CAUTION FOR REFRIGERANT LEAK

Limiting concentration

Understanding and calculating refrigerant concentration limits.

Checking procedure of limiting concentration

Steps to check and manage limiting refrigerant concentration.

INSTALLATION GUIDE AT THE SEASIDE

Selecting the location (Outdoor Unit)

Choosing the best location for outdoor units near the sea.

LG ARUV120BTS4 Specifications

General

Brand	LG
Model	ARUV120BTS4
Category	Air Conditioner
Language	English