LG AS-C0764DM0 - User Manual

LG
Room Air Conditioner
SERVICE MANUAL
LG
MODELS: AS-C0764DM0 AS-H0764DM0 LS-C1264DM0 LS-H0764DM0
AS-C0964DM0 AS-H0964DM0 LS-C1865DM0 LS-H0964DL0
AS-C1264DM0 AS-H1264DM0 LS-C2665DM0 LS-H1264DM0
AS-C1865DM0 AS-H1865DM0 LS-C0964DA0 LS-H1865DM0
AS-C2465DM0 AS-H2465DM0 LS-C0964DM0 LS-H2665DM0
AS-C0764DB0 AS-H0764GM0 LS-C1865DB0 LS-H2465DM0
AS-C0964DB0 AS-H0964GM0 LS-C1264DA0 LS-H0964DM0
AS-C1264DB0 AS-H1264GM0 LS-C2465DB0
AS-C1865DB0 AS-H1865GM0 LS-C2465GB0
AS-C2465DB0 AS-H2465GM0 LS-C1865DM1
LS-C1865GB0
LS-C2665DM1
CAUTION
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
AS-C0764DH0
AS-C0964DH0
AS-C1264DH0
AS-C1865DH0
AS-C2465DH0
AS-C0964DA0
AS-C1264DA0
AS-C0964GA0
AS-C1264GA0
AS-C1865GB0 AS-H1865DM1
AS-C2465GB0
AS-H0964DA0
AS-H1264DA0
AS-H1865DB0 LS-C1264DM1
AS-H2465DB0 LS-C1264GA0
AS-H0964GA0 LS-C1264GB0
AS-H1264GA0 LS-C0964DM1
AS-H1865GB0
AS-H2465GB0
AS-H2465DM1
LS-H0964DY0
LS-H1264DY0
LS-H1865DY0
LS-H2465DY0
LS-H0764DM1
LS-H0964DM1
LS-H1264DM1
LS-H1865DM1
LS-H2465DM1
LS-H2665DM1
LS-H2465GB0
LS-H0964GB0
LS-H1264GB0

Summary

Safety Precautions Overview

Manual Safety Symbols

Explanation of warning and caution symbols used in the manual.

Installation Electrical Safety

Guidelines for electrical safety during installation, covering cords and grounding.

Installation Safety Guidelines

Re-installation and Placement Safety

Safety measures for unit re-installation, unpacking, and installation area selection.

Operation Safety Guidelines

Electrical Operation Safety

Safe practices for operating the unit, including power plug use and avoiding water near electrical parts.

Appliance Proximity Safety

Guidance on keeping heaters and flammable materials away from the air conditioner.

Installation & Operation Safety Details

Unit Condition Monitoring

Actions to take for strange sounds, odors, or smoke, and preventing water ingress.

Installation Stability & Lifting Safety

Ensuring proper installation level, drain hose, and safe lifting practices.

General Handling & Operation Safety

Cleaning and Handling Safety

Instructions for cleaning the unit safely and avoiding contact with sharp parts.

Access and Object Insertion Safety

Warnings against stepping on the unit or inserting objects into air inlets/outlets.

Unit Dimensions and Symbols

Manual Symbols Explained

Explanation of symbols used to convey warnings and notices in the manual.

Indoor Unit Dimensions

Physical dimensions for the indoor unit of the air conditioner.

Outdoor Unit Dimensions

UA3 Chassis Dimensions

Physical dimensions and specifications for the UA3 chassis outdoor unit.

Outdoor Unit Dimensions

UE(1) Chassis Dimensions

Physical dimensions and specifications for the UE(1) chassis outdoor unit.

Outdoor Unit Dimensions

UD Chassis Dimensions

Physical dimensions and specifications for the UD chassis outdoor unit.

Outdoor Unit Dimensions

UM Chassis Dimensions

Physical dimensions and specifications for the UM chassis outdoor unit.

Installation Site Selection

Best Location Criteria

Criteria for choosing the optimal location for indoor and outdoor unit installation.

Piping Length and Elevation Limits

Specifications for maximum piping length and elevation differences between units.

Installation Procedures

Mounting Installation Plate

Steps for securely mounting the indoor unit's installation plate on the wall.

Drilling Wall Opening for Piping

Instructions for drilling the wall opening for refrigerant piping and cable connections.

Drain Hose Connection

Procedure for properly connecting the drain hose for condensate removal.

Piping Connection and Flaring

Copper Pipe Flaring Procedure

Detailed steps for performing correct flaring on copper pipes to prevent refrigerant leaks.

Indoor Unit Piping Connection

Steps for connecting refrigerant piping and drain hose to the indoor unit.

Piping Connection and Routing

Right Rear Piping Routing

Instructions for routing indoor tubing and drain hose for right rear piping configurations.

Connecting Pipes and Drain Hose

Detailed steps for connecting pipes and drain hose to the indoor unit and drain pipe.

Insulating Pipe Connections

Guidance on wrapping insulation material around pipe connections to prevent condensation.

Indoor Unit Installation on Plate

Steps for hanging and securing the indoor unit onto the mounted installation plate.

Piping Connection and Routing

Left Rear Piping Routing

Instructions for routing indoor tubing and drain hose for left rear piping configurations.

Bundling Pipes and Hoses

Method for bundling piping, drain hose, and connecting cable for routing.

Indoor Unit Securing to Plate

Procedure for securing the indoor unit to the installation plate after hanging.

Overview

1. Function Description
2. Important Technical Specifications
3. Usage Features
4. Maintenance Features

This document is a service manual for LG Room Air Conditioners, covering models from 2003 and 2004 onwards. It provides comprehensive information for authorized service personnel, including safety precautions, dimensions, installation instructions, and maintenance procedures.

Function Description:

The devices are split-type air conditioners, available in various configurations:

• Cooling only (C): Provides cooling functionality.
• Heat pump (H): Offers both heating and cooling.
• Cooling only + Electric Heater (X): Cooling with supplemental electric heating.
• Heat pump + Electric Heater (Z): Heat pump functionality with supplemental electric heating.
• AC Inverter C/O (V): AC inverter cooling only.
• AC Inverter H/P (N): AC inverter heat pump.
• DC Inverter C/O (Q): DC inverter cooling only.
• DC Inverter H/P (W): DC inverter heat pump.

The models are designed for residential or light commercial use, providing climate control through refrigeration cycles.

Important Technical Specifications:

• Capacity: Ranges from 5,000 Btu/h to 38,000 Btu/h, indicated by a two-digit code (e.g., "09" for 9,000 Btu/h).
• Electric Range: A wide range of electrical specifications are supported, including:
  • 115V/60Hz
  • 220V/60Hz
  • 208-230V/60Hz (single and 3-phase)
  • 200-220V/50Hz
  • 220-240V/50Hz
  • 110V, 50/60Hz
  • 380-415V/50Hz
  • 380-415V/60Hz
  • 220V, 50Hz, 3-phase
  • 575V, 50Hz, 3-phase
  • 440-460, 60Hz, 3-phase
  • 265V, 60Hz
  • 200V, 50/60Hz
• Refrigerant Types: R22, R410A, and R407C are used, depending on the model and producing center.
• Piping Length and Elevation (Standard/Maximum):
  • 5k~14k Btu/h: Gas pipe 3/8" (Ø9.52) or 1/2" (Ø12.7), Liquid pipe 1/4" (Ø6.35). Standard length 4 or 7.5m, Max. elevation 7m, Max. length 15m. Additional refrigerant 20 g/m.
  • 18k~28k Btu/h: Gas pipe 1/2" (Ø12.7) or 5/8" (Ø15.88), Liquid pipe 1/4" (Ø6.35) or 3/8" (Ø9.52). Standard length 4 or 7.5m, Max. elevation 15m, Max. length 30m. Additional refrigerant 20-30 g/m.
  • 30k~38k Btu/h: Gas pipe 5/8" (Ø15.88) or 3/4" (Ø19.05), Liquid pipe 3/8" (Ø9.52). Standard length 7.5m, Max. elevation 15m, Max. length 30m. Additional refrigerant 30-50 g/m.
• Indoor Unit Dimensions (7k, 9k, 12k Btu Series): W 840mm, H 270mm, D 153mm.
• Indoor Unit Dimensions (18k, 24k Btu Series): W 1090mm, H 300mm, D 178mm.
• Outdoor Unit Dimensions (UA3 Chassis - 7k, 9k, 12k Series): W 717mm, H 498mm, D 229mm.
• Outdoor Unit Dimensions (UE(1) Chassis - AS-H2465DM0/DM1): W 870mm, H 655/800mm, D 320mm.
• Outdoor Unit Dimensions (UD Chassis - LS-C1865DM0/DB0): W 801mm, H 555mm, D 262mm.
• Outdoor Unit Dimensions (UM Chassis - 18k, 24k Btu Series): W 840mm, H 577mm, D 276mm.

Usage Features:

The air conditioners offer a variety of advanced features, categorized under "Function":

• Basic: Standard cooling/heating.
• Basic+4Way: Includes 4-way airflow control.
• Plasma Filter: Enhanced air purification.
• Plasma Filter+4 Way: Plasma filter with 4-way airflow.
• Tele+LCD: Features a tele-control and LCD display.
• Tele+LCD+Nano plasma+4Way: Advanced control, display, and purification.
• NBF F+(A/changeove)+A/clean+Low A: Nano Bio Filter, auto-changeover, auto-clean, and low ambient operation.
• NBF F+(A/changeove)+A/clean+4way+Low A: Nano Bio Filter, auto-changeover, auto-clean, 4-way airflow, and low ambient operation.
• Tele+LED+4way: Tele-control, LED display, and 4-way airflow.
• Internet: Internet connectivity for remote control.
• Plasma F+4Way+Oxy generator: Plasma filter, 4-way airflow, and oxygen generator.
• NBF F+(A/changeove)+A/clean: Nano Bio Filter, auto-changeover, auto-clean.
• NBF F+(A/changeove)+A/clean+4way: Nano Bio Filter, auto-changeover, auto-clean, and 4-way airflow.
• NBF F+(A/changeove)+A/clean+PTC: Nano Bio Filter, auto-changeover, auto-clean, and PTC heater.
• NBF F+(A/changeove)+Autoclean+4way+PTC: Nano Bio Filter, auto-changeover, auto-clean, 4-way airflow, and PTC heater.
• NBF F+(A/changeove)+A/clean+4way+Low A+PTC: Nano Bio Filter, auto-changeover, auto-clean, 4-way airflow, low ambient operation, and PTC heater.
• Negative ION+A/Clean: Negative ion generator and auto-clean.
• (Nano)Plasma+Negative ION+A/Clean: Nano Plasma filter, negative ion generator, and auto-clean.
• 4way+(Nano)Plasma F+Negative ION+Healthy dehumidification+A/Clean: Comprehensive features including 4-way airflow, Nano Plasma filter, negative ion generator, healthy dehumidification, and auto-clean.
• Nano Plasma F+4Way+(A/changeove)+A/clean+: Nano Plasma filter, 4-way airflow, auto-changeover, and auto-clean.
• Dry contact: For external control.
• Wire remocon: Wired remote control.

Maintenance Features:

The manual emphasizes several maintenance aspects:

• Safety Precautions: Crucial for servicing, including warnings about electric shock, fire, explosion, and injury risks. Only authorized service personnel should perform maintenance.
• Installation: Detailed instructions for proper installation, including selecting the best location for both indoor and outdoor units, piping length and elevation guidelines, drilling holes, drain hose junction, and flaring work.
  • Flaring Work: Critical for preventing refrigerant leakage. Proper technique and tools are described, along with checks for defective flares.
  • Piping Connection: Instructions for connecting pipes to both indoor and outdoor units, ensuring proper tightening torque for flare nuts.
  • Drainage Check: Procedures for checking and forming pipings to ensure proper water drainage.
  • Air Purging: Methods for air purging, including vacuum pump usage, to ensure system integrity.
• Test Running: Procedures for verifying proper operation after installation or service.
• Troubleshooting Guide: Provides guidance for diagnosing and resolving issues, likely including refrigeration cycle diagrams, valve information, electronic parts, schematic diagrams, wiring diagrams, and component locations.
• Exploded View and Replacement Parts List: Essential for identifying and ordering specific components for repair.
• Cleaning: Recommends using a soft cloth for cleaning and warns against harsh detergents or solvents.
• Air Filter Removal: Cautions against touching sharp metal parts when removing the air filter.

The manual also includes "ARTCOOL COLOR" options for certain models, offering aesthetic choices like Mirror, White, Blue, Wood, Metal, and Cherry finishes.

LG AS-C0764DM0 Specifications

General

Brand	LG
Model	AS-C0764DM0
Category	Air Conditioner
Language	English