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LG LS-135GB - User Manual

LG LS-135GB
68 pages
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SERVICE MANUAL
Room Air Conditioner
CAUTION
-BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
-ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODEL: LS-135GB/GM/GR
LS-1351GB/GM/GR
LS-1352GB/GC/GD/GM/GR/GW
LS-1202GB/GC/GD/GM/GR/GW
LS-1262GB/GC/GD/GR/GW
C142CM/CR
WEBSITE http://lgservice.com

Questions and Answers

  • T
    Timothy PalmerAug 1, 2025
    Why is my LG LS-135GB leaking refrigerant?
    • J
      Jacob AdamsAug 1, 2025
      Refrigerant leakage in your LG Air Conditioner can be caused by a clog in the refrigeration cycle or a defective compressor.
  • J
    Jay WilsonAug 10, 2025
    Why does my LG LS-135GB have higher suction pressure and normal temperature?
    • P
      pmarquezAug 11, 2025
      Higher suction pressure and normal temperature in your LG Air Conditioner may be due to an excessive amount of refrigerant. In this case, high pressure does not quickly rise at the beginning of operation.
  • T
    Thomas SmithAug 22, 2025
    What causes higher suction pressure and high temperature in my LG Air Conditioner?
    • B
      Brent BlankenshipAug 22, 2025
      If your LG Air Conditioner shows higher suction pressure and high temperature, the cause may be a defective compressor or a defective 4-way reverse valve. In both cases, the current is low.

Summary

Air Conditioner Functions and Operation

Indoor Unit Operation Modes

Explains core functions and modes of the indoor unit, including fan speed, temperature control, and special modes.

Remote Control Usage and Features

Guides on operating the unit via remote control, detailing button functions and special features like timers and sleep mode.

Detailed Operation and Mode Explanations

Installation and Setup Guide

Indoor Unit Installation Steps

Covers selection of the best location, mounting the installation plate, and drilling holes for the indoor unit.

Outdoor Unit Installation Requirements

Details placement, clearance, and mounting considerations for the outdoor unit to ensure proper function and heat radiation.

Piping, Drainage, and Connections

Guides on pipe flaring, indoor/outdoor connections, insulation, drain hose routing, and electrical wiring.

Refrigerant Handling and Servicing Procedures

Pumping Down, Evacuation, and Charging

Details procedures for refrigerant recovery (pump down), system evacuation, and gas charging with R-410A.

Troubleshooting and Diagnostics

LG LS-135GB Specifications

General IconGeneral
BrandLG
ModelLS-135GB
CategoryAir Conditioner
LanguageEnglish

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