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LG MULTI V 5 ARUN140LTE5 - User Manual

LG MULTI V 5 ARUN140LTE5
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INSTALLATION MANUAL
AIR
CONDITIONER
www.lg.com
Copyright © 2017 - 2018 LG Electronics Inc. All Rights Reserved.
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.
Heat Pump
Original instruction
MFL67221438
Rev.00_092118
ENGLISH
ESPAÑOL
PORTUGUÊS
1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 1

Table of Contents

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LG MULTI V 5 ARUN140LTE5 Specifications

General IconGeneral
ModelARUN140LTE5
Cooling Capacity14.0 kW
Cooling Capacity (Btu/h)47, 800 Btu/h
Heating Capacity16.0 kW
Heating Capacity (Btu/h)54, 600 Btu/h
RefrigerantR410A
COP (Heating)4.00
EER3.50
Power Source (V/Hz/Ph)380-415V / 50/60Hz / 3Ph

Summary

Important Safety Instructions

General Safety Guidelines

Overarching warnings and cautions for installation and operation.

Installation Safety Precautions

Specific safety guidelines and precautions for the installation process.

Operation Safety Precautions

Specific safety guidelines and precautions for operating the unit.

Important Safety Instructions (Continued)

Installation Hazard Avoidance

Detailed safety measures to prevent hazards during installation.

Operation Hazard Avoidance

Detailed safety measures to prevent issues during operation.

Installation Process Overview

Selecting the Best Location

Outdoor Unit Installation Space

Specifies minimum clearance dimensions around the outdoor unit for installation.

Outdoor Unit Installation Basics

Foundation and Anchor Bolt Installation

Instructions for creating a stable foundation and securing anchor bolts.

Refrigerant Piping Work Details

Flare Nut Tightening and Valve Operation

Specifications for tightening flare nuts and operating shutoff valves.

Refrigerant Piping Installation Procedures

Indoor and Outdoor Unit Pipe Connections

Refrigerant Piping System Configurations

Pipe Diameter and Length Specifications

Distribution Methods and Vacuum Mode

Leak Test and Vacuum Drying Procedures

Detailed steps for leak testing and vacuum drying the system.

Vacuuming and Refrigerant Charging

Vacuum Drying and Refrigerant Charging

Methods for evacuating moisture and charging refrigerant.

Refrigerant Amount Calculation and Insulation

Electrical Wiring Installation

Control Box and Wiring Connections

Main Power Supply and Wiring

Communication Cable Connection Methods

Outdoor Unit Configuration Settings

DIP Switch Setting Procedures

How to set outdoor unit parameters using DIP switches.

Automatic Addressing Procedure

Function Settings (FDD)

Cool & Heat Selector Mode

Method for setting the cooling and heating mode using PCB DIP switch.

High Static Pressure Compensation

Night Low Noise Function

Setting the ODU Address

Procedure for setting the address for each outdoor unit.

High Efficiency Mode (Cooling)

Smart Load Control (SLC)

Self-Diagnosis Function

Error Indicator and Display Codes

Explains error codes and how they are displayed on units and controllers.

Indoor Unit Related Errors

Lists error codes specific to indoor units and their causes.

Outdoor Unit Related Errors

Network and Other Unit Errors

Caution for Refrigerant Leak

Refrigerant Concentration Limit Calculation

How to calculate refrigerant concentration limits in rooms.

Refrigerant Leakage Countermeasures

Actions to take if refrigerant concentration exceeds limits.

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