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LG ABNH606RLAC - User Manual

LG ABNH606RLAC
174 pages
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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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Summary

Model Number Nomenclature

Safety Precautions

General Safety Warnings

General warnings, symbols, and precautions for safe operation and installation.

Installation Safety Precautions

Safety guidelines specific to the installation process, including electrical work.

Model Names

Indoor Unit Model Names

Lists model names for various indoor unit types like Ceiling Cassette and Concealed Duct.

Outdoor Unit Model Names

Lists model names for Outdoor Units, including MPS Variable types.

External Appearance

Indoor Unit Appearance

Visual representation of different indoor unit types like Cassette and Concealed Duct.

Outdoor Unit Appearance

Visual representation of outdoor units AUUH488C, AUUH728C, and AUUH1008C.

Dimensions

Indoor Unit Dimensions

Detailed measurements for indoor units, starting with Cassette Type TE.

Cassette Type Dimensions (TF, TD)

Detailed measurements for TF and TD Cassette types, including ceiling openings.

Ceiling Concealed Duct Dimensions

Detailed measurements for Ceiling Concealed Duct indoor units.

AUUH488 C Outdoor Unit Dimensions

Detailed dimensions and specifications for the AUUH488C outdoor unit.

Product Specifications

Indoor Unit Specifications

Detailed technical specifications for various indoor units, including capacity and electrical ratings.

Outdoor Unit Specifications

Detailed technical specifications for outdoor units AUUH488C, AUUH728C, AUUH1008C.

Combination table

MPS Variable Combination Table

Table showing combinations of indoor and outdoor units with branch kit requirements.

Installation

Indoor Unit - Cassette Type Installation

Step-by-step instructions for installing cassette type indoor units.

Required Parts and Tools

Lists essential parts and tools needed for indoor unit installation.

Ceiling Opening and Hanging Bolt Location

Guidelines for creating ceiling openings and locating hanging bolts for various models.

Wiring Connection

Procedures for connecting indoor unit power and remote control wiring.

Decoration Panel Installation

Instructions on how to correctly install the indoor unit's decoration panel.

Indoor Unit Drain Piping

Guidelines for installing the indoor unit drain piping, including slope and insulation.

Accessories

Lists standard and optional accessories for the air conditioning system.

Ceiling & Floor(Convertible) Type Installation

Installation procedures specific to the Convertible Ceiling & Floor type indoor units.

Selection of Best Location

Criteria for choosing the optimal installation location for indoor units.

Ceiling Concealed Duct Type Installation

Step-by-step instructions for installing concealed duct type indoor units.

Ceiling Dimension and Hanging Bolt Location

Guidelines for ceiling dimensions and hanging bolt placement for concealed duct units.

Insulation and Drainage Checks

Instructions for thermal insulation work and drainage system checks.

Connecting Pipes to Indoor Unit

Procedures for preparing and connecting refrigerant pipes to indoor units.

Remote Controller Installation

Instructions for installing and setting up the remote controller.

Outdoor Unit Installation (AUUH728 C)

Guidelines for selecting the location and installing the AUUH728C outdoor unit.

Outdoor Unit Installation (AUUH1008 C)

Guidelines for selecting the location and installing the AUUH1008C outdoor unit.

Outdoor Unit Settlement and Mounting

Procedures for anchoring and mounting outdoor units on various surfaces.

Lifting Method and Precautions

Safe methods for lifting and handling outdoor units, with associated cautions.

Piping Length and Elevation

Specifications for refrigerant piping length and height differences between units.

Piping Connection Procedures

Steps for forming and connecting refrigerant piping, including welding and leak checks.

Refrigerant Additional Charging Method

Procedures for calculating and adding refrigerant charge based on piping length.

Branch Kit Installation

Information on branch pipe types, accessories, and connection specifications.

Wiring Connection

Guidelines for connecting power supply and communication cables according to regulations.

Auto Addressing Procedure

Steps for setting addresses for indoor units for simultaneous operation.

Simultaneous Operation Procedure

Instructions for operating multiple indoor units simultaneously.

Test Running Precautions and Checks

Guidelines and checks to perform during the initial test run of the installed system.

Operation

Main Unit Functions and Display

Explanation of main unit controls, indicators, and display functions.

Cooling Mode Operation

How the unit operates in cooling mode, including compressor and fan control.

Heating and Fuzzy Operation Modes

Details on heating mode operation and the fuzzy logic control system.

CST Type Remote Controller Operation

Explanation of the operation modes and controls for the CST Type remote controller.

Convertible Type Remote Controller Functions

Description of buttons and functions on the convertible type remote controller.

Thermistor System and Air Volume Adjustment

Explanation of the two-thermistor system and adjusting air volume for ceiling height.

E.S.P. Setting for Duct Type

Procedure for setting External Static Pressure (E.S.P.) for duct type units.

Control Devices and Function

Simple Central Control Features

Overview of features for simple central control systems, including operation and display.

Electrical Wiring for Central Control

Pictorial view and connection details for central control wiring.

Indoor Unit Address Setting Method

Steps for setting indoor unit addresses using wired or wireless remotes.

Deluxe Central Control Summary

Summary of the Deluxe Central Control system's capabilities and advantages.

Deluxe Central Control Major Characteristics

Key features of the Deluxe Central Control, including monitoring, management, and maintenance.

Schematic Diagram

Indoor Unit Schematic Diagrams

Electronic circuit diagrams for various indoor unit types like Cassette and Duct.

Outdoor Unit Schematic Diagrams

Electronic circuit diagrams for outdoor units AUUH488C, AUUH728C, and AUUH1008C.

Wiring Diagrams

Wiring diagrams for different indoor unit chassis types.

Components Locations - Cassette Types

Component layout diagrams for Cassette type indoor units (TE, TF, TD).

Outdoor Unit Component Side

Component layout on the component side of the outdoor unit PCB.

Piping Diagrams

AUUH488 C Piping Diagrams

Refrigerant piping diagrams for AUUH488C with Duo, Trio, and Quartet combinations.

AUUH728 C Piping Diagrams

Refrigerant piping diagrams for AUUH728C with Duo and Trio combinations.

AUUH1008 C Piping Diagrams

Refrigerant piping diagrams for AUUH1008C with Duo and Trio combinations.

Troubleshooting Guide

Cycle Troubleshooting Analysis

Analysis of temperature difference and operating current for troubleshooting.

Trouble 1: Product Doesn’t Operate

Troubleshooting steps when the product does not operate at all.

Trouble 2: Remote Controller Issues

Troubleshooting steps when the product does not operate via the remote controller.

Trouble 3: Cooling Malfunction

Troubleshooting steps when the cooling function is not operating correctly.

Trouble 5: Indoor Fan Malfunction

Troubleshooting steps when the indoor fan does not operate.

Self-Diagnosis Function and Error Codes

Explanation of the self-diagnosis function and error indicator codes for indoor and outdoor units.

(3-way) Valve

3-Way Valve Operations

Table detailing shaft positions and service port usage for various valve operations.

Function

Ceiling Cassette Type Functions

Explanation of main control functions for ceiling cassette units, including swing and cooling modes.

Ceiling Duct Type Functions

Explanation of main control functions for ceiling duct units, including soft-dry and cooling modes.

Ceiling & Floor Type Functions

Explanation of main control functions for ceiling & floor units, including swing and cooling modes.

Outdoor Units

Basic Control and Compressor Control

Basic operation modes and compressor step control logic based on temperature.

EEV Control

Explanation of Electronic Expansion Valve (EEV) control logic for Superheat and Temperature.

Fan Control

Description of standard and phase control for outdoor fan operation based on temperature.

Defrost Control

Details on the defrost control process, including starting conditions and cycle timing.

Protection Control - Discharge Temperature Control

Protection mechanism against compressor damage based on discharge pipe temperature.

Exploded View & Replacement Parts List

Indoor Unit Exploded Views

Exploded views of indoor units, starting with Ceiling Cassette Type TE chassis.

Parts List (Cassette Type - TE Chassis)

Replacement part numbers for Cassette Type TE chassis indoor units.

Parts List (Cassette-TD Chassis)

Replacement part numbers for Cassette Type TD chassis indoor units.

Parts List(DUCT-BH,BG Chassis)

Replacement part numbers for Duct type BH and BG chassis.

Parts List(DUCT-BR Chassis)

Replacement part numbers for Duct type BR chassis.

Part List (Convertible-VE chassis)

Replacement part numbers for Convertible VE chassis.

Parts List(Convertible-VB Chassis)

Replacement part numbers for Convertible VB chassis.

Parts List(AUUH488 C)

Replacement part numbers for the AUUH488C outdoor unit.

Parts List(AUUH728 C)

Replacement part numbers for the AUUH728C outdoor unit.

Parts List(AUUH1008 C)

Replacement part numbers for the AUUH1008C outdoor unit.

PT-HEC1 Parts List

Replacement part numbers for the PT-HEC1 indoor unit.

PT-HFC Parts List

Replacement part numbers for the PT-HFC indoor unit.

PT-HDC1 Parts List

Replacement part numbers for the PT-HDC1 indoor unit.

LG ABNH606RLAC Specifications

General IconGeneral
BrandLG
ModelABNH606RLAC
CategoryAir Conditioner
LanguageEnglish

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