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LG ATNH186ELCA User Manual

LG ATNH186ELCA
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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 ATNH186ELCA Specifications

General IconGeneral
Cooling Capacity (BTU)18000
Cooling Capacity (Ton)1.5
RefrigerantR410A
Air Flow (CFM)424
Heating Capacity18000 BTU
Power Supply220-240V, 50Hz
Outdoor Unit Dimensions (W x H x D)770 x 545 x 288 mm
Outdoor Unit Weight32 kg
TypeSplit System
Operating Temperature (Cooling)18°C ~ 48°C
Operating Temperature (Heating)-7°C ~ 24°C

Summary

Models List

Cooling Only Models

Details specifications for cooling-only air conditioner models.

Heat Pump Models

Details specifications for heat pump air conditioner models.

Model Number Nomenclature

Indoor Unit Model Number Explanation

Explains the structure and meaning of indoor unit model numbers.

Decoration Panel Model Number Explanation

Explains the structure and meaning of model numbers for decoration panels.

Outdoor Unit Model Number Explanation

Explains the structure and meaning of outdoor unit model numbers.

Safety Precautions

Installation Safety Guidelines

Provides essential safety instructions for installing the air conditioner unit.

Operational Safety Precautions

Details safety measures for operating the air conditioner safely.

General Safety Warnings and Cautions

Covers general warnings and cautions for handling the unit and installation.

Features & Benefits

Environment Friendly Refrigerant Feature

Highlights the use of an environmentally friendly refrigerant.

Jet Cool Mode Functionality

Explains the fast cooling feature for rapid temperature reduction.

Energy Saving Gold Fin Technology

Describes the benefits of the Gold Fin coating for heat exchangers.

Plasma Air Purifier System

Details the air purification capabilities of the unit.

Group Control Capability

Explains how to control multiple units with a single remote.

Swirl Swing Airflow Control

Describes the directional airflow control for comfort cooling/heating.

Space Control for Airflow Adjustment

Explains how vane angles can be adjusted for installation environments.

Auto Restart Operation after Power Failure

Details the unit's ability to resume operation after a power interruption.

Two Thermistor Temperature Control

Explains temperature control using two thermistors for accurate readings.

Auto Changeover Functionality

Describes automatic switching between cooling and heating modes.

Defrost and Deicing Operation

Explains the process to prevent ice formation on the outdoor unit in heating mode.

Low Ambient Operating Conditions

Describes operation at low outdoor temperatures with reduced fan speed.

High Ceiling Operation Adjustment

Explains how to adjust indoor fan RPM for high ceiling installations.

Water Drain Pump Functionality

Details the drain pump for locations without natural drainage.

Time Delay Safety Function for Compressor

Explains the 3-minute delay before compressor restarts to prevent damage.

Zero Standby Power Consumption

Highlights the SMPS technology for minimal standby power use.

Child Lock Function Operation

Describes how to prevent accidental operation by children.

Zone Control for Temperature Management

Manages temperature in individual zones by controlling dampers.

Tele Control for Remote Operation

Allows air conditioner control via telephone.

E.S.P. Control for Air Volume

Maintains constant air volume regardless of external static pressure changes.

Electric Heater for Additional Heating

Provides supplemental heating or acts as a standalone heater.

Self Diagnosis Functionality

Displays error codes for diagnosing unit issues.

List of Functions

Ceiling Cassette Model Functions

Lists basic, optional, and accessory functions for ceiling cassette models.

Ceiling Concealed Duct Model Functions

Lists basic, optional, and accessory functions for ceiling concealed duct models.

Ceiling & Floor Model Functions

Lists basic, optional, and accessory functions for ceiling & floor models.

Function of Remote Control

Wireless LCD Remote Control (Ceiling & Floor Models)

Explains the buttons and functions of the wireless LCD remote for ceiling/floor units.

Wireless LCD Remote Control (Ceiling Cassette Models)

Details the buttons and features of the wireless LCD remote for ceiling cassette units.

Wireless LCD Remote Control (Ceiling Concealed Duct Models)

Explains the buttons and functions of the wireless LCD remote for concealed duct units.

Wired LCD Remote Control (Ceiling Concealed Duct Models)

Details the buttons and functions of the wired LCD remote for concealed duct units.

Specifications

Cooling Only - 1.5 Ton Specifications

Provides detailed specifications for 1.5 Ton cooling-only models.

Cooling Only - 2 Ton Specifications

Provides detailed specifications for 2 Ton cooling-only models.

Cooling Only - 2.5 Ton Specifications

Provides detailed specifications for 2.5 Ton cooling-only models.

Cooling Only - 3 Ton Specifications

Provides detailed specifications for 3 Ton cooling-only models.

Cooling Only - 4 Ton Specifications

Provides detailed specifications for 4 Ton cooling-only models.

Cooling Only - 5 Ton Specifications

Provides detailed specifications for 5 Ton cooling-only models.

Heat Pump - 1.5 Ton Specifications

Provides detailed specifications for 1.5 Ton heat pump models.

Heat Pump - 2 Ton Specifications

Provides detailed specifications for 2 Ton heat pump models.

Heat Pump - 2.5 Ton Specifications

Provides detailed specifications for 2.5 Ton heat pump models.

Heat Pump - 3 Ton Specifications

Provides detailed specifications for 3 Ton heat pump models.

Heat Pump - 4 Ton Specifications

Provides detailed specifications for 4 Ton heat pump models.

Heat Pump - 5 Ton Specifications

Provides detailed specifications for 5 Ton heat pump models.

Dimensional Drawings

Indoor Units - Ceiling Cassette Type (ATNC-EL, ATNH-EL)

Shows dimensions for ceiling cassette indoor units.

Indoor Units - Ceiling Cassette Type (ATNC-FL, ATNH-FL)

Shows dimensions for ceiling cassette indoor units.

Indoor Units - Ceiling Cassette Type (ATNC-DL, ATNH-DL)

Shows dimensions for ceiling cassette indoor units.

Indoor Units - Ceiling Concealed Duct Type

Provides dimensions for ceiling concealed duct indoor units.

Indoor Units - Ceiling & Floor Type

Shows dimensions for ceiling & floor indoor units.

Outdoor Units - AUUC186A/AB

Displays dimensions for the AUUC186A/AB outdoor unit.

Outdoor Units - AUUH186A/AB, AUUC246A/AB

Displays dimensions for AUUH186A/AB and AUUC246A/AB outdoor units.

Outdoor Units - AUUH246A/AB, AUUC306A/AB, AUUH306A/AB

Displays dimensions for specific AUUH/AUUC outdoor units.

Outdoor Units - AUUC368A/AB, AUUH368A/AB

Displays dimensions for specific AUUC/AUUH outdoor units.

Outdoor Units - AUUC488A/AB, AUUH488A/AB, AUUC608A/AB, AUUH608A/AB

Displays dimensions for specific AUUC/AUUH outdoor units.

Wiring Diagrams

Indoor Unit Wiring - Ceiling Cassette (Cooling Only)

Shows wiring diagrams for cooling-only ceiling cassette indoor units.

Indoor Unit Wiring - Ceiling Cassette (Heat Pump)

Shows wiring diagrams for heat pump ceiling cassette indoor units.

Indoor Unit Wiring - Ceiling Concealed Duct (Cooling Only)

Shows wiring diagrams for cooling-only concealed duct indoor units.

Indoor Unit Wiring - Ceiling Concealed Duct (Heat Pump)

Shows wiring diagrams for heat pump concealed duct indoor units.

Indoor Unit Wiring - Ceiling & Floor Type

Shows wiring diagrams for ceiling & floor indoor units.

Outdoor Unit Wiring - Cooling Only Models

Shows outdoor unit wiring for cooling-only models.

Outdoor Unit Wiring - Heat Pump Models

Shows outdoor unit wiring for heat pump models.

Refrigerant Cycle Diagrams

Cooling Only Model Refrigerant Cycles

Illustrates refrigerant flow for cooling-only air conditioners.

Heat Pump Model Refrigerant Cycles

Illustrates refrigerant flow for heat pump air conditioners.

Electrical Data

Model Electrical Data Specifications

Lists electrical specifications like voltage, current, power, and ratings for different models.

Operation Range

Cooling Inlet Air Temperature Range

Defines the operating temperature range for cooling mode.

Heating Inlet Air Temperature Range

Defines the operating temperature range for heating mode.

Power Source Voltage and Starting Voltage

Specifies acceptable voltage ranges for unit operation.

External Static Pressure & Air Flow

Ceiling Concealed Duct Airflow and ESP (Table-1)

Provides air flow rates at different static pressures for concealed duct models.

Ceiling Concealed Duct ESP Setting

Explains how to set the External Static Pressure for phase control motors.

Procedure for Setting External Static Pressure (RPM Change)

Provides step-by-step instructions for adjusting ESP via the remote controller.

External Static Pressure and Air Flow Data (Tables 2 & 3)

Presents data correlating static pressure with airflow for various models.

Installation

Indoor Unit Location Selection

Guidelines for choosing the optimal installation location for indoor units.

Outdoor Unit Installation and Settlement

Instructions for installing and securing the outdoor unit.

Indoor Unit Installation - Ceiling Cassette Type

Details the installation process for ceiling cassette indoor units.

Indoor Unit Installation - Ceiling Concealed Duct Type

Details the installation process for ceiling concealed duct indoor units.

Indoor Unit Installation - Console Bolt Positioning (Case 2)

Instructions for positioning console bolts for indoor unit installation.

Indoor Unit Installation - Ceiling & Floor Type (Ceiling)

Installation steps for ceiling mounting of ceiling & floor indoor units.

Indoor Unit Installation - Wall Mounting

Instructions for installing the indoor unit on a wall.

Indoor Unit Installation - Floor Mounting

Instructions for installing the indoor unit on the floor.

Electrical Wiring Connections

Guides on connecting power and control wiring according to regulations.

Decoration Panel Installation Procedure

Step-by-step guide for installing the decorative panel.

Heat Insulation and Piping Installation

Instructions for applying heat insulation and forming piping.

Drain Pipe Gradient and Support

Guidelines for drain pipe installation, gradient, and support.

Drain Piping of Ceiling Cassette

Specific drain piping instructions for ceiling cassette units.

Drain Piping of Ceiling Concealed Duct

Specific drain piping instructions for concealed duct units.

Grouped Drain Piping Installation

Instructions for connecting multiple units to a common drain pipe.

Optional Operation - Two Thermistor System

How to configure the two-thermistor system for temperature control.

Air Volume Adjustment for Ceiling Height

Adjusting fan speed based on ceiling height for optimal airflow.

Group Control Setup for Multiple Units

How to set up group control for up to 16 units.

Plasma Air Cleaner Installation

Safety and procedure for installing the plasma air cleaner.

Plasma Air Cleaner Installation Steps

Step-by-step guide for installing the plasma air cleaner.

Plasma Air Cleaner Maintenance Procedure

Steps for cleaning and maintaining the plasma air cleaner.

Service Parts List

Lists part numbers and descriptions for replacement components.

Indoor Unit Dimensions

Provides dimensional data for various indoor unit models.

Electronic Control Device

Main PCB Assembly - Ceiling Cassette Type

Exploded view of the main PCB for ceiling cassette units.

PCB Assembly - Ceiling Duct Type

Exploded view of the PCB assembly for ceiling duct units.

PCB Assembly - Ceiling & Floor Type

Exploded view of the PCB assembly for ceiling & floor units.

Schematic Diagram

Schematic Diagram - Ceiling Cassette Type

Electrical schematic for ceiling cassette units.

Schematic Diagram - Ceiling Duct Type (BG Series)

Electrical schematic for BG series ceiling duct units.

Schematic Diagram - Ceiling Duct Type (BH, BE Series)

Electrical schematic for BH/BE series ceiling duct units.

Schematic Diagram - Ceiling & Floor Type

Electrical schematic for ceiling & floor units.

Exploded View and Replacement Parts List

Indoor Unit Exploded View - Ceiling Cassette (ATNC-EL, ATNH-EL)

Exploded view of ATNC-EL/ATNH-EL ceiling cassette indoor units.

Indoor Unit Exploded View - Ceiling Cassette (continued)

Continuation of exploded view for ceiling cassette indoor units.

Parts List - ATNC/ATC/ATNH 186 Series

Lists replacement parts for 186 series indoor units.

Indoor Unit Exploded View - Ceiling Cassette (ATNC-FL, ATNH-FL)

Exploded view of ATNC-FL/ATNH-FL ceiling cassette indoor units.

Indoor Unit Exploded View - Ceiling Cassette (continued)

Continuation of exploded view for ceiling cassette indoor units.

Parts List - ATNC/ATNH 246 Series

Lists replacement parts for 246 series indoor units.

Parts List - ATNC/ATNH 306 Series

Lists replacement parts for 306 series indoor units.

Indoor Unit Exploded View - Ceiling Cassette (ATNC-DL, ATNH-DL)

Exploded view of ATNC-DL/ATNH-DL ceiling cassette indoor units.

Indoor Unit Exploded View - Ceiling Cassette (continued)

Continuation of exploded view for ceiling cassette indoor units.

Parts List - ATNC/ATNH 368/488 Series

Lists replacement parts for 368/488 series indoor units.

Parts List - ATNH/ATNC 488/608 Series

Lists replacement parts for 488/608 series indoor units.

Parts List - ABNC/ABNH 186/246 Series

Lists replacement parts for 186/246 series concealed duct units.

Parts List - ABNC/ABNH 306/368 Series

Lists replacement parts for 306/368 series concealed duct units.

Indoor Unit Exploded View - Ceiling Concealed Duct (ABNC-EL, ABNH-EL)

Exploded view of ABNC-EL/ABNH-EL concealed duct indoor units.

Parts List - ABNC/ABNH 488/608 Series

Lists replacement parts for 488/608 series concealed duct units.

Indoor Unit Exploded View - Ceiling & Floor Type (AVNC-BL, AVNH-BL)

Exploded view of AVNC-BL/AVNH-BL ceiling & floor indoor units.

Parts List - AVNC/AVNH 186/246 Series

Lists replacement parts for 186/246 series ceiling & floor units.

Parts List - AVNH/AUUC/AUUH 246/306 Series

Lists replacement parts for 246/306 series ceiling & floor units.

Outdoor Unit Exploded View - AUUC186A/AB

Exploded view of the AUUC186A/AB outdoor unit.

Outdoor Unit Exploded View - AUUH186A/AB, AUUC246A/AB

Exploded view of AUUH186A/AB, AUUC246A/AB outdoor units.

Outdoor Unit Exploded View - AUUH/AUUC 246/306 Series

Exploded view of AUUH/AUUC 246/306 series outdoor units.

Parts List - AUUC/AUUH 186 Series Outdoor Units

Lists replacement parts for 186 series outdoor units.

Parts List - AUUC/AUUH 246 Series Outdoor Units

Lists replacement parts for 246 series outdoor units.

Parts List - AUUC/AUUH 306 Series Outdoor Units

Lists replacement parts for 306 series outdoor units.

Outdoor Unit Exploded View - AUUC368A/AB, AUUH368A/AB

Exploded view of AUUC368A/AB, AUUH368A/AB outdoor units.

Outdoor Unit Exploded View - AUUC488A/AB, AUUH488A/AB, AUUC608A/AB, AUUH608A/AB

Exploded view of AUUC488A/AB, AUUH488A/AB, AUUC608A/AB, AUUH608A/AB outdoor units.

Parts List - AUUC/AUUH 368 Series Outdoor Units

Lists replacement parts for 368 series outdoor units.

Parts List - AUUC/AUUH 488 Series Outdoor Units

Lists replacement parts for 488 series outdoor units.

Parts List - AUUC/AUUH 608 Series Outdoor Units

Lists replacement parts for 608 series outdoor units.

Indoor Unit Parts - PT-HEA/C, PT-CEA/C Models

Exploded view and parts list for PT-HEA/C, PT-CEA/C indoor units.

Indoor Unit Parts - PT-HFA/C, PT-CFA/C Models

Exploded view and parts list for PT-HFA/C, PT-CFA/C indoor units.

Indoor Unit Parts - PT-HDA/C, PT-CDA/C Models

Exploded view and parts list for PT-HDA/C, PT-CDA/C indoor units.

Parts List - Indoor Unit Control Panels (PT Series)

Lists replacement parts for various PT series indoor unit control panels.

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