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LG LT1430CNR User Manual

LG LT1430CNR
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Room Air Conditioner
SVC MANUAL(Exploded View)
MODEL : LT1430CNR
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
CONFIDENTIAL
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purpose.
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication, modification,
copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of
the LG Electronics entity from which you received this Service Manual. The material covered by this prohibition includes, without
limitation, any text, graphics or logos in this Service Manual.
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LG LT1430CNR Specifications

General IconGeneral
Typewall
Operating Area Size750 square feet
Cooling Capacity14000 british thermal units
Cooling Settings3
Heaterno
Fan Speeds3
Fan Airflow Rate4 cubic feet per minute
Remote Controlyes
Timeryes
Sleeping Modeno
Energy Efficiency9.3

Summary

Preface and Safety

Safety Precautions

Essential safety measures to follow before and after servicing the air conditioner unit.

Insulation Resistance Testing Procedure

Detailed steps for performing an insulation resistance test to ensure user safety.

Technical Specifications

Comprehensive technical specifications including performance, electrical ratings, features, and dimensions.

Key Features

Key features of the cooling-only air conditioner, such as powerful cooling and compact design.

Control Locations Overview

Overview of control locations on the unit and remote, explaining their functions.

Cooling Model Control Operations

Detailed operation of controls specific to the cooling-only model, including fan speed, timer, and mode.

Disassembly and Component Removal

Front Grille and Cabinet Removal

Procedures for removing the front grille and the main cabinet of the unit.

Control Box Removal Procedure

Steps to safely remove and discharge the control box and its components.

Air Handling Parts Removal

Instructions for removing air handling components like the orifice, turbo fan, and main fan.

Shroud Removal

Steps for removing the shroud after disassembling the fan.

Motor Removal

Procedure for removing the motor, including disconnecting wires and fan components.

Compressor Removal

Steps to safely discharge refrigerant and remove the compressor.

Capacitor Removal

Instructions for removing the capacitor after opening the control box.

Power Cord Removal

Steps for removing the power cord, including disconnecting receptacles and clip cord.

Thermistor Removal

Procedure for removing the thermistor from the control box.

Refrigeration Cycle Components Removal

Steps for removing condenser, evaporator, and capillary tube, involving refrigerant handling.

Installation Guide

Installation Requirements and Considerations

Key requirements for successful installation, including wall sleeve compatibility and electrical service.

Installation Procedures (A, B, C)

Step-by-step guides for installing the air conditioner into a wall sleeve (Procedures A, B, C).

Troubleshooting Common Issues

Unit Dimensions and Piping Diagram

Provides outside dimensions and a diagram of the refrigeration piping system.

Refrigeration Cycle Explanation

Brief description of the refrigerant flow and components in the cooling cycle.

Ineffective Cooling Diagnosis Flow

Flowchart for diagnosing ineffective cooling, covering causes like dirty coils, fan malfunction, and gas leakage.

Fails to Start Diagnosis Flow

Flowchart for diagnosing units that fail to start, addressing power, wiring, and component issues.

Schematic and Circuit Diagrams

Electrical Circuit Diagram

Electrical circuit diagram showing components and connections for the air conditioner.

Exploded View and Parts Identification

Component Parts Identification

Visual representation of all components with associated part numbers for identification and ordering.

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