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LG Multi V 5 ARUM200LTE5 User Manual

LG Multi V 5 ARUM200LTE5
55 pages
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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 ARUM200LTE5 Specifications

General IconGeneral
BrandLG
ModelMulti V 5 ARUM200LTE5
CategoryAir Conditioner
LanguageEnglish

Summary

Installation Manual Overview

Energy Saving and Safety Guidelines

Important Safety Instructions

Crucial safety warnings and precautions for installation.

General Warnings and Hazards

Hazards associated with unqualified installation or repairs.

Installation Electrical and Professional Requirements

Guidelines for electrical work, professional installation, and grounding.

Important Safety Instructions (continued)

Installation Precautions (Wind, Gas, Refrigerant)

Precautions against wind, earthquake, gas, and refrigerant handling.

Electrical Safety and Installation Environment

Safety regarding wet hands, water, sharp edges, and installation environment.

Operation, Transportation, and Packing Safety

Precautions for operation, unit handling, transportation, and packing disposal.

Electrical and Operational Safety Measures

Safety measures for electrical connections and operational procedures.

Installation Process and Unit Information

Installation Process Overview

Step-by-step guide for the installation procedure.

Installation Foundation and Precautions

Installation Foundation

Procedures and safety measures for installing the unit foundation.

Refrigerant Piping Preparation

Pipe Cutting and Flaring

Steps for cutting pipes, removing burrs, and performing flaring work.

Refrigerant Piping Principles and Materials

Piping Materials and Refrigerant Piping Principles

Requirements for piping materials and key principles for installation.

Refrigerant Piping Installation

Heat Pump System Pipe Connection

Precautions and valve operation for heat pump system piping.

Refrigerant Piping Considerations

Refrigerant Handling and System Operations

Precautions for refrigerant amount, purging, insulation, and valve operation.

Refrigerant Piping Installation for Heat Recovery

Heat Recovery System Pipe Connection

Precautions and valve operation specific to heat recovery systems.

Refrigerant Pipe System for HR and Indoor Units

HR Unit Pipe Connections

Connecting pipes between HR units, outdoor units, and indoor units.

Refrigerant Piping Reducers and Precautions

Piping Precautions and Warnings

Guidelines on materials, diameter, and refrigerant handling when moving units.

Pipe Connections Between Indoor and Outdoor Units

Pipe Drawing Out (Single/Series)

Methods for drawing pipes out from the front side.

Pipe Connections Between Indoor and Outdoor Units (continued)

Pipe Drawing Out (Bottom Side)

Methods for drawing pipes out from the bottom side.

Refrigerant Piping System Configuration

Refrigerant Pipe Diameter Selection

Guidelines for selecting pipe diameters based on length and capacity.

Refrigerant Piping Diameter Tables

Pipe Diameter from Outdoor Unit to First Branch

Tables specifying pipe diameters based on ODU capacity and conditions.

Refrigerant Piping System Configuration (continued)

Pipe Connection Methods (Heat Pump/HR)

Detailed pipe connection methods and diameter requirements.

Refrigerant Piping Diameter Specifications

Outdoor Unit to First Branch Pipe Diameter

Tables for selecting pipe diameter from ODU to the first branch.

First Branch to Last Branch Pipe Diameter

Tables for selecting pipe diameter from the first branch to subsequent branches.

Pipe Connection Methods and Precautions

Branch Pipe Fitting and Installation

Y Branch Pipe Fitting

Details on Y branch fitting, installation, and insulation.

Header Pipe Fitting

Details on header fitting, insulation, and connection procedures.

Distribution Method and Vacuum Mode

Distribution Method Diagrams

Illustrations of horizontal, vertical, and other distribution methods.

Vacuum Mode Operation

Procedures and settings for vacuum mode operation.

Leak Test and Vacuum Drying

Leak Test Procedure

Steps for performing a leak test using nitrogen gas.

Vacuum Drying Procedure

Detailed steps for vacuum drying the system.

Refrigerant Charging

Refrigerant Amount Calculation and Pipe Insulation

Electrical Wiring and Precautions

Control Box Wiring and Cable Separation

Main Power Supply Wiring and Quality

Grounding, Wiring Configurations, and Capacity Limits

Connection Examples and Outdoor Unit Settings

Control Settings and Configuration

HR Unit Model Selection and Valve Group Setting

Automatic Addressing and Pipe Detection

Pipe Detection Procedures and Warnings

Manual Valve Addressing Examples

Valve Address Checking and Zoning Settings

Optional Mode and Function Selection

Special Mode Settings

Snow Removal, Pressure Adjusting, and Airflow

High Efficiency and Dust Removal Modes

RPM Limit, Load Control, and Humidity Reference

Power Consumption Display, Defrost, and Cooling Modes

Self-Diagnosis Function and Error Indicators

Error Indicator and Display

Information on error indicators, display methods, and error codes.

Indoor Unit Related Errors

List of errors specific to indoor units and their causes.

Self-Diagnosis Function and Outdoor Unit Errors

Outdoor Unit Related Errors (Inverter & Heatsink)

List of errors related to the outdoor unit inverter and heatsink.

Self-Diagnosis Function and Network Errors

Outdoor Unit Related Errors (Fan, Communication, etc.)

List of errors related to the outdoor unit fan, communication, and sensors.

Network and HR Unit Related Errors

Errors related to network connections and HR units.

Refrigerant Leak Caution and Concentration Limit

Caution for Refrigerant Leak

Safety guidelines against refrigerant leaks and concentration limits.

Checking Procedure of Limiting Concentration

Steps to calculate and check refrigerant concentration limits.

Installation Guide at the Seaside

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