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LG LA090HYV3 User Manual

LG LA090HYV3
80 pages
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SINGLE ZONE ART COOL PREMIER
WALL MOUNTED
INSTALLATION MANUAL
1-1/4, 1-1/2 and 2 Tons
LA150HYV3, LA180HYV3, LA240HYV3
3/4 and 1 Tons
LA090HYV3, LA120HYV3
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LG LA090HYV3 Specifications

General IconGeneral
Energy Efficiency Ratio (EER)3.6
HSPF10.0
Coefficient of Performance (COP)3.6
Voltage (V)220-240 V
Power Supply1-phase, 50 Hz

Summary

Safety Instructions

Table of Symbols

Defines symbols used in the manual for hazard classification.

Installation Safety

Instructions for safe installation of the unit to prevent hazards.

Installation - Continued Safety

Further safety instructions for unit installation to prevent hazards.

Wiring Safety

Safety precautions and guidelines for electrical wiring installation.

Operation Safety

Safety instructions for operating the unit to prevent injury and damage.

General Data

Unit Nomenclature

Explains the model number coding system for single zone wall mount units.

Parts List

Lists included parts and required field-provided parts for installation.

Unit Specifications

Details technical specifications for different unit models.

Electrical Data

Provides electrical data and specifications for the units.

General Installation Guidelines

Outdoor Unit Location Selection

Guidelines for selecting the best location for the outdoor unit.

Required Outdoor Unit Clearances

Specifies minimum clearance requirements for outdoor unit installation.

Rigging, Lifting, and Outdoor Unit Mounting

Instructions for safely rigging, lifting, and mounting the outdoor unit.

Outdoor Unit Mounting Details

Details on mounting the outdoor unit, including concrete platform specs.

Required Indoor Unit Clearances

Specifies clearance requirements for indoor unit installation.

Indoor Unit Mounting Procedures

Instructions for mounting the indoor unit and its installation plate.

Refrigerant Safety Standards / Device Connection Limitations

Refrigerant Safety Standards

Addresses refrigerant safety and concentration limits in occupied spaces.

Selecting Field Supplied Piping

Selecting Field-Supplied Copper Piping

Guidelines for selecting and installing copper piping for the system.

Copper Expansion and Contraction

Copper Expansion and Contraction

Explains pipe expansion/contraction and methods to manage it.

Piping Handling

Piping Materials and Handling

Instructions for handling and storing piping materials to ensure cleanliness.

Refrigerant System Engineering

Using Elbows in Piping

Guidelines for using elbows in refrigerant piping and their impact on length.

Routing Around Obstacles

Best practices for routing refrigerant piping around obstacles.

Pipe Sleeves at Penetrations

Recommendations for using pipe sleeves at wall/floor penetrations.

Flaring and Brazing Procedures

Flaring and Brazing Procedures

Detailed procedures for flaring and brazing refrigerant connections.

Refrigerant Piping Connections

Installation Overview

Overview of refrigerant piping connections between indoor and outdoor units.

Special Applications

Specific installation considerations for different unit positioning.

Outdoor Unit Connections

Detailed steps for connecting refrigerant piping to the outdoor unit.

Indoor Unit Connections

Detailed steps for connecting refrigerant piping to the indoor unit.

Outdoor Unit Condensate Drain Hose

Installation instructions for the outdoor unit condensate drain hose.

Indoor Unit Condensate Drain Hose

Installation of the indoor unit condensate drain hose.

Bundling of Piping and Cables

Instructions for bundling refrigerant piping, drain hose, and cables.

Insulation

Refrigerant Piping System Insulation

Guidelines for insulating refrigerant piping for safety and performance.

Electrical System Installation

Safety Guidelines and Electrical Specifications

Safety guidelines and specifications for electrical system installation.

Power and Communication Cable Connections

Details on connecting power and communication cables.

Controller Options

Information on wired and wireless remote controller connections.

Indoor Unit Electrical Connections

Instructions for making electrical connections to the indoor unit.

Outdoor Unit Electrical Connections

Instructions for making electrical connections to the outdoor unit.

Final Installation Procedures

Triple Leak / Pressure Test

Procedure for performing leak and pressure tests on the refrigerant system.

Triple Leak Test and Deep Evacuation

Continues leak/pressure testing and details the deep evacuation procedure.

Deep and Triple Evacuation Procedures

Details on deep evacuation and triple evacuation procedures for the system.

Triple Evacuation Procedure Steps

Step-by-step guide for triple evacuation of the refrigerant system.

Refrigerant Trim Charge

Procedure for adding refrigerant trim charge based on piping length.

Finishing the Job

Steps to complete after leak tests and evacuation, including opening refrigerant lines.

Finalizing Wall-Mounted Installation

Final steps for securing the indoor unit to the installation plate.

Reattaching the Indoor Unit Bottom Panel

Instructions for reattaching the indoor unit's bottom panel.

Batteries, Test Run, and Performance Evaluation

Procedures for installing batteries, performing a test run, and evaluating performance.

Installer Modes

Instructions for accessing installer modes like Cooling Only or Heating Only.

Pump Down Procedure

Procedure for pumping down the refrigerant system for servicing.

Troubleshooting

LG Monitoring View (LGMV) Diagnostic Software

Overview of the LGMV software for system monitoring and diagnostics.

LG SIMS - Self Diagnosis Functions

Using the LG SIMs app for system monitoring and troubleshooting.

Error Codes

Lists and explains error codes for indoor and outdoor units.

Cautions for Refrigerant Leaks

Cautions for Refrigerant Leaks and Introduction

Guidelines addressing refrigerant safety and concentration limits.

Installation Checklist

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