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LG LSU120HEV2 - User Manual

LG LSU120HEV2
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Single Zone Mega: LS090HEV2, LS120HEV2, LS180HEV2, LS240HEV2
Single Zone Mega 115V: LS090HXV, LS120HXV
SINGLE ZONE MEGA AND MEGA 115V
WALL MOUNTED
INSTALLATION MANUAL
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LG LSU120HEV2 Specifications

General IconGeneral
RefrigerantR410A
TypeSplit System
Cooling Capacity12000 BTU/h
Heating Capacity13000 BTU/h
Operating Temperature (Cooling)18°C to 43°C

Summary

SAFETY INSTRUCTIONS

WIRING SAFETY GUIDELINES

Covers electrical safety during wiring procedures.

SAFETY INSTRUCTIONS

GENERAL INSTALLATION GUIDELINES

Outdoor Unit Location Selection

Guidelines for choosing optimal outdoor unit placement.

Required Outdoor Unit Clearances

Specifies minimum clearances for airflow and service access.

Indoor Unit Location Selection & Clearances

Guidelines for selecting indoor unit placement and required spacing.

GENERAL INSTALLATION GUIDELINES

REFRIGERANT SAFETY STANDARDS; DEVICE CONNECTION LIMITATIONS

Refrigerant Safety Standards

Discusses safety standards for refrigerants and concentration limits.

SELECTING FIELD SUPPLIED PIPING

PIPING HANDLING

FLARING AND BRAZING PROCEDURES

Flaring and Brazing Procedures Overview

Overview of connection methods for refrigerant piping.

FLARING AND BRAZING PROCEDURES

REFRIGERANT PIPING CONNECTIONS

REFRIGERANT PIPING CONNECTIONS

Outdoor Unit Connections

Detailed steps for connecting piping to the outdoor unit.

INSULATION

Refrigerant Piping System Insulation

Guidelines for correctly insulating all refrigerant piping.

INSULATION

ELECTRICAL SYSTEM INSTALLATION

Safety Guidelines & Electrical Connections

Electrical safety precautions and general connection guidelines.

Power Wiring; Communication Cable Connections

Detailed steps for connecting power and communication cables.

Indoor Unit Electrical Connections (HXV Only)

Steps for connecting electrical wiring to HXV indoor units.

Indoor Unit Electrical Connections (HEV2 Only)

Steps for connecting electrical wiring to HEV2 indoor units.

Outdoor Unit Electrical Connections

Steps for connecting electrical wiring to the outdoor unit.

ELECTRICAL SYSTEM INSTALLATION

FINAL INSTALLATION PROCEDURES

Triple Leak; Pressure Test

Procedure for performing a leak and pressure test on refrigerant piping.

Leak Test & Deep Evacuation

Continues leak testing and details deep evacuation steps.

Deep Evacuation Procedure Steps

Detailed steps for performing deep evacuation.

Triple Evacuation Test Procedures

Detailed steps for conducting the triple evacuation test.

Triple Evacuation Procedure

Describes the triple evacuation procedure as a best practice.

FINAL INSTALLATION PROCEDURES

Refrigerant Trim Charge & Finishing the Job

Adding refrigerant and completing final installation tasks.

Batteries, Test Run, Performance Evaluation

Installing batteries, performing a test run, and evaluating performance.

Pump Down Procedure

Procedure for collecting refrigerant into the outdoor unit.

FINAL INSTALLATION PROCEDURES

TROUBLESHOOTING

LG SIMS - Self Diagnosis Functions Introduction

Introduction to LG SIMS app for monitoring and troubleshooting.

Error Codes Introduction

Explains how error codes are displayed and their meaning.

CAUTIONS FOR REFRIGERANT LEAKS

INSTALLATION CHECKLIST

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