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LG AUUH246AB User Manual

LG AUUH246AB
119 pages
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LG
Universal System
Air Conditioner
SERVICE MANUAL
LG
CAUTION
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
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LG AUUH246AB Specifications

General IconGeneral
BrandLG
ModelAUUH246AB
CategoryAir Conditioner
LanguageEnglish

Summary

Models List

Cooling and Heat Pump Models

Lists various cooling-only and heat pump models with their specifications.

Model Number Nomenclature

Indoor, Outdoor, and Panel Model Numbering

Explains the structure and meaning of model numbers for indoor, outdoor, and panel units.

Safety Precautions

Installation Safety

Safety guidelines for installation, covering circuit breakers, grounding, and panel security.

Operational Safety

Safety guidelines for operation, including handling with wet hands and proximity of appliances.

Additional Safety Instructions

Covers refrigerant leak checks, drain hose installation, and general warnings.

Features & Benefits

Key Features Overview

Highlights features like Jet Cool, Gold Fin, Plasma Air Purifier, Group/Central Control.

Advanced Operational Features

Details features like Swirl Swing, Space Control, Auto Restart, Thermistor & Changeover Controls.

Further Operational Features

Covers features like Defrost, Low Ambient, High Ceiling, Drain Pump, Safety Delays, Zero Standby, Child Lock.

Advanced Control Features

Explains Zone, Tele, E.S.P., Electric Heater, and Self Diagnosis functions.

List of Functions

Functionality by Indoor Unit Type

Lists available functions for Ceiling Cassette, Concealed Duct, and Ceiling & Floor models.

Function of Remote Control

Wireless LCD Remote Control Details

Details buttons and functions of wireless LCD remotes for different unit types.

Specifications

Cooling Only and Heat Pump Specifications Overview

Provides detailed specifications for various cooling-only and heat pump models.

Dimensional Drawings

Indoor and Outdoor Unit Dimensions

Shows dimensions and connection points for various indoor and outdoor units.

Wiring Diagrams

Indoor and Outdoor Unit Wiring Diagrams

Illustrates wiring connections for indoor and outdoor units across different model types.

Refrigerant Cycle Diagrams

Cooling Only and Heat Pump Cycles

Illustrates the refrigerant cycle for cooling-only and heat pump air conditioner models.

Electrical Data

Electrical Specifications and Notes

Provides electrical data including voltage, current, power ratings, and explanatory notes.

Operation Range

Inlet Air Temperature and Voltage Ranges

Details operating ranges based on inlet air temperatures and power source voltage.

External Static Pressure & Air flow

Data and ESP Setting Procedures

Provides airflow data and guides for setting External Static Pressure (ESP).

Installation

Indoor and Outdoor Unit Installation Guidelines

Covers location selection, space requirements, mounting, anchoring, wiring, and panel installation.

Electronic Control Device

Main PCB Diagrams for Unit Types

Diagrams of the main PCB assemblies for Ceiling Cassette, Duct, and Floor units.

Schematic Diagram

Schematics for Unit Types

Electrical schematic diagrams for Ceiling Cassette, Duct, and Floor unit types.

Exploded View and Replacement Parts List

Indoor and Outdoor Unit Parts Lists and Views

Exploded views and detailed parts lists for various indoor and outdoor unit components.

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