LG LS-H2465DM0 - User Manual

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Room Air Conditioner

SERVICE MANUAL

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

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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.