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LG AMNH126LRL0 User Manual

LG AMNH126LRL0
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LG
Multi Type Air Conditioner
SERVICE MANUAL
LG
CAUTION
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODEL
Indoor Unit:
Outdoor Unit: A2UW146FA0
A2UW146FA1
A2UW146FA2
A2UW166FA0
A2UW166FA1
A2UW186FA0
A3UW186FA0
A3UW186FA1
A3UW246FA0
A4UW246FA0
A4UW306FA0
A4UW306FA1
A6UW406FA0
Room Type
Art Cool Deluxe Type
Duct Type 1 Way CST
AMNH096BTG0
AMNH126BTG0
AMNH186BTG0
AMNH096BPA0
AMNH126BPA0
AMNH186BHA0
AMNH246BHA0
AMNC246BHA0
AMNH306BGA0
AMNC306BGA0
AMNH366BGA0
AMNC366BGA0
AMNH09GB1A0
AMNH12GB1A0
AMNH18GB2A0
AMNH24GB2A0
AMNH076LQL0
AMNH096LQL0
AMNH096LRL0
AMNH126LRL0
AMNH186LTL0
AMNH246LTL0
AMNH07GD4L0
AMNH09GD4L0
AMNH12GD4L0
AMNH18GD5L0
AMNH24GD5L0
AMNH096AP*1
AMNH126AP*1
AMNH076DZ*0
AMNH096DU*0
AMNH126DU*0
AMNH186D3*0
AMNH246D3*0
AMNH07GDZ*0
AMNH09GDU*0
AMNH12GDU*0
AMNH18GD3*0
AMNH24GD3*0
AMNH07GDE*0
AMNH09GDE*0
AMNH12GDE*0
AMNH096TCC0
AMNC096TCC0
AMNH126TCC0
AMNC126TCC0
AMNH09GTCC0
AMNH12GTCC0
4 Way CST
AMNH096TEC0
AMNH126TEC0
AMNH186TEC0
AMNH246TFC0
AMNH306TFC0
AMNH366TDC0
AMNH306TFA0
AMNC306TFC0
AMNC366TDC0
AMNH09GTEF0
AMNH12GTEF0
AMNH18GTEF0
AMNH24GTHF0
CVT
AMNH096VEA0
AMNH126VEA0
AMNH186VBA0
AMNH246VBA0
Art Cool Type

Table of Contents

Other manuals for LG AMNH126LRL0

Questions and Answers:

LG AMNH126LRL0 Specifications

General IconGeneral
Energy StarYes
RefrigerantR410A
Operating Current Cooling (A)5.2
Cooling Capacity12000 BTU/h
Voltage208/230V
Power Supply60Hz, 1-Phase
Operating Temperature (Cooling)64°F to 115°F
Operating Temperature (Heating)5°F to 75°F
Air Flow (Indoor)350 CFM

Summary

Model Number Nomenclature

Indoor Unit

Explains the structure and meaning of indoor unit model numbers.

Outdoor Unit

Explains the structure and meaning of outdoor unit model numbers.

Safety Precautions

Installation

Provides safety instructions related to the installation process.

Operational

Safety guidelines for operating the air conditioner, including avoiding drafts.

Dimensions

Indoor Unit

Provides dimensions for split type and Art Cool type indoor units.

Outdoor Unit

Shows dimensions for various outdoor unit models (UL, UE, UE1, UE2, UH).

Product Specifications

Indoor Unit

Lists specifications for Wall Mounted indoor units.

Outdoor Unit

Lists specifications for outdoor units with multi-piping.

Installation

Select the best location of indoor unit

Guidance on choosing optimal locations for indoor unit installation.

How to fix

Instructions on mounting the installation plate and drilling piping holes.

Connection of indoor unit piping

Details on connecting piping and drain hose for split type indoor units.

Connecting Pipings and the cable to Outdoor unit

Steps for connecting piping to the outdoor unit and wiring precautions.

Test Running

SPLIT, ART cool, ART cool deluxe Type

Test running procedures and performance evaluation for specific indoor unit types.

Operation

Function of control

Details on main unit functions, display indicators, and cooling mode operations.

Function of Indoor Unit

Details functions for split type indoor units, including sensors and controls.

Art Cool Deluxe Type Remote Controller

Details the functions and buttons of the Art Cool Deluxe remote controller.

Function of Outdoor Unit

Describes the functions of the outdoor unit, including algorithms and protection features.

Remote Control Operation

Operation Mode

Explains the different operation modes selectable via the remote control.

Control Devices and Function

Simple Central Control

Features and functions of simple central control systems.

Electrical wiring

Pictorial view and connection details for units with central control.

Indoor Unit Address setting Method

Procedures for setting indoor unit addresses using wired and wireless remotes.

Deluxe Central Control

Summary of Deluxe Central Control system capabilities and installation advantages.

Disassembly of the parts (Indoor unit)

Split Type Indoor unit

Instructions for removing the grille and accessing internal components.

Art Cool Deluxe Type Indoor Unit(SZ,SU,S3)

Instructions for removing the grille and control box for Art Cool Deluxe units.

CVT Type - VB chassis

Steps for removing the air filter, grille, and lower air guide.

Schematic Diagram

Electronic Control Device

Schematic diagram for the electronic control device of split type indoor units.

Outdoor Unit

Schematic diagram for outdoor units (A2UW146FA0/1/2, etc.).

Central control unit Schematic diagram

Schematic diagram for the central control unit.

Wiring Diagram

Wiring diagrams for various indoor unit types.

Troubleshooting Guide

Refrigeration Cycle Diagram

Refrigeration cycle diagram for A2UW146FA0/1/2, etc. outdoor units.

Self-diagnosis Function

Explains the error indicator system and lists indoor unit error codes.

Electronic Parts Troubleshooting Guide

Troubleshooting steps for products not operating, focusing on power and PCB checks.

General Information

General information on error indicators and indoor unit error codes.

(3-way) Valve

(3-way) Valve

Explains the operation and shaft positions of 3-way valves.

(1) Pumping down

Procedure for pumping down the system using 3-way valves.

(2) Evacuation

Procedure for evacuating the system (removing refrigerant).

(3) Gas Charging

Procedure for charging the system with refrigerant after evacuation.

Exploded View & Replacement Parts List

Indoor Unit

Exploded view of the SQ/SR chassis indoor unit and its components.

Parts List (SQ, SR chassis)

Lists replacement parts for SQ and SR chassis indoor units.

Outdoor Unit

Exploded view of outdoor units (A2UW146FA2, etc.).

Parts List (A3UW246FA0, A4UW246FA0 - TPS Inverter)

Lists replacement parts for TPS Inverter outdoor units.

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