LG ARUN140LTE4 User Manual

P/NO : MFL67221412
www.lg.com
Original instruction
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.
ENGLISH
ITALIANO ESPAÑOL
FRANÇAIS
DEUTSCH
ČEŠTINA
ΕΛΛΗΝΙΚΆ
NEDERLANDS
POLSKI
LIMBA ROMÂNĂ
PORTUGUESE
MAGYAR
БЪЛГАРСKN
SRPSKI
HRVATSKI
SVENDKA
NORSK
SUOMI
DANSK

LG ARUN140LTE4 Specifications

General

Brand	LG
Model	ARUN140LTE4
Category	Air Conditioner
Language	English

Summary

IMPORTANT SAFETY INSTRUC- TIONS

Installation Safety

Warnings and precautions for installing the air conditioner.

Operation Safety

Warnings and precautions for operating the air conditioner.

SELECT THE BEST LOCATION

INSTALLATION SPACE

Individual Installation Space

Minimum space requirements for individual outdoor unit installation.

INSTALLATION

Foundation for Installation

Guidance on preparing a stable foundation for the outdoor unit.

Refrigerant Piping Preparation

Instructions for preparing refrigerant piping, including burrs removal and flaring.

REFRIGERANT PIPING INSTALLATION

Pipe Connection and Valve Operation Precautions

Guidelines for connecting pipes and operating valves.

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT

Refrigerant Piping System

Single Outdoor Unit Piping

Diagrams and methods for single outdoor unit refrigerant piping.

Y Branch/Header Method Piping

Diagrams for refrigerant piping using Y branch and header methods.

Series Outdoor Unit Piping (2-4 Units)

Piping methods for series connections of 2 to 4 outdoor units.

Outdoor Unit Connection Details

Indoor Unit Connection Details

Series Outdoor Unit Pipe Connections

General Pipe Connection

Refrigerant Amount Calculation

Refrigerant Charging Procedure

Procedures and components for refrigerant charging.

Distribution Method

Branch Pipe Fitting

Header Fitting

Leak Test and Vacuum Drying

ELECTRICAL WIRING

Power Wiring Precautions

Control Box Wiring

Communication and Power Cables

Ground Wire Installation

Field Wiring Diagrams

Series Outdoor Unit Wiring

Automatic Addressing Procedure

Performing Automatic Addressing

Step-by-step guide for performing automatic addressing.

Night Low Noise Function

Setting Night Low Noise Function

Setting ODU Address

Snow Removal & Rapid Defrost

Overall Defrost Mode

Self-Diagnosis Function

Error Indicator Explanation

Explanation of error codes and their display.

Indoor Unit Related Errors

List of errors related to indoor units and their causes.

Outdoor Unit Related Errors

List of errors related to outdoor units and their causes.

CAUTION FOR REFRIGERANT LEAK

Introduction to Refrigerant Safety

Limiting Concentration Calculation

Definition and calculation of limiting refrigerant gas concentration.

Checking Refrigerant Concentration Procedure

Steps to check and calculate refrigerant concentration.

Installation Guide at the Seaside