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LG Multi V 5 ARUM240LTE5 User Manual

LG Multi V 5 ARUM240LTE5
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MFL67221448
Rev. 01_091818
INSTALLATION MANUAL
AIR
CONDITIONER
www.lg.com
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.
For Heat Pump / Heat Recovery system
Original instruction
Copyright © 2018 LG Electronics Inc. All Rights Reserved.
ENGLISH
ESPAÑOL

Table of Contents

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LG Multi V 5 ARUM240LTE5 Specifications

General IconGeneral
CategoryAir Conditioner
ModelARUM240LTE5
TypeMulti V 5
RefrigerantR410A
Indoor Unit Dimensions (W x H x D)Varies by indoor unit model
Indoor Unit WeightVaries by indoor unit model

Summary

Important Safety Instructions

General Safety Precautions

General warnings and cautions for using the appliance safely, including injury and death risks.

Installation Safety Guidelines

Safety rules for installation work, emphasizing qualified personnel, proper tools, and circuit requirements.

Installation Process Overview

Outdoor Unit Installation Foundation

Foundation Requirements

Details on securing the unit with bolts, using H-beam supports, and anti-vibration materials.

Anchor Bolt Specifications

Information on the required size and placement of anchor bolts for the outdoor unit.

Refrigerant Piping Preparation

Pipe Cutting and Flaring

Procedures for cutting pipes and performing flaring work, including burr removal.

Flare Nut Tightening Torque

Table specifying correct tightening torques for flare nuts to prevent leaks or damage.

Piping Precautions

Guidelines for connecting pipes, including using charge hoses, two wrenches, and R410A oil.

Refrigerant Piping Installation

Refrigerant Pipe Sizing and Materials

Reducers and Pipe Connections

Electrical Wiring Guidelines

General Electrical Wiring Precautions

Guidelines for electrical work, including grounding, wiring regulations, and avoiding noise interference.

Power and Communication Cable Separation

Recommendations for spacing power and communication cables to prevent operational faults.

Power Supply and Wiring

Main Power Supply Requirements

Specifications for main power supply, voltage, and equipment capacity, including wire sizing.

Field Wiring Diagrams

Wiring diagrams for single outdoor units, showing connections for power supply and indoor units.

Indoor and Outdoor Unit Communication Wiring

Power and Communication Cable Connections

HR Unit and System Configuration

Automatic Addressing and Pipe Detection

Automatic Addressing Procedure

Step-by-step instructions for performing automatic addressing of indoor units.

Automatic Pipe Detection Procedure

Procedure for automatically detecting pipe connections between HR and indoor units.

Manual Pipe Detection and Addressing

Manual methods for detecting and addressing pipe connections when automatic fails.

Self-Diagnosis Function

Error Indicator and Display

Explains error codes displayed on indoor units, remote controllers, and outdoor unit LEDs.

Indoor Unit Related Errors

Lists and explains error codes specific to indoor units, including sensor and communication failures.

Outdoor Unit Error Codes

Outdoor Unit Related Errors (Part 1)

Details on outdoor unit errors, including inverter, compressor, sensor, and fan faults.

Outdoor Unit Error Codes (Continued)

Outdoor Unit Related Errors (Part 2)

Continues listing outdoor unit errors, covering discharge, superheat, IPM, and communication faults.

Network and HR Unit Errors

Lists errors related to network communication and HR unit specific issues.

Refrigerant Leak Caution

Concentration Limit and Countermeasures

Defines refrigerant concentration limits and outlines countermeasures for leaks.

Checking Limiting Concentration

Steps to calculate refrigerant concentration and determine room capacity.

Seaside Installation Guide

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