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LG LP073HD3A User Manual

LG LP073HD3A
25 pages
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P/NO : 3828A20255J
www.lg.com
http://www.lghvac.com
OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : Room Air Conditioner
ENGLISH
ESPAÑOL
FRANÇAIS
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LG LP073HD3A Specifications

General IconGeneral
TypePortable Air Conditioner
Cooling Capacity7, 000 BTU
RefrigerantR410A
Weight48.5 lbs
Fan Speeds3
Voltage115V
Noise Level53 dB
Power Supply115V/60Hz

Summary

For Your Records

Model and Serial Number

Record the model and serial numbers of your air conditioner for future reference.

Dealer and Purchase Date

Note the dealer's name and date of purchase for warranty purposes.

Read This Manual

General Precautions

Service and Installation Contact

Contact authorized technicians for repair and installers for unit installation.

Child Supervision and Safe Operation

Ensure children do not play with the unit and supervise their use.

Power Cord and Installation Safety

Use genuine parts for replacement and ensure installation follows national electrical codes.

Safety Precautions

Installation Safety Warnings

Do not use damaged power cords, always plug into grounded outlets, and avoid modifying cords.

Product Handling and Cord Safety

Do not disassemble products, be cautious of sharp edges, and keep cords away from flammable materials.

Operation Safety

Power Cord and Circuit Safety

Do not place objects on the power cord, use a dedicated circuit, and unplug with dry hands.

Water and Cleaning Safety

Avoid water in electric parts, use soft cloths for cleaning, and do not use harsh detergents.

General Operation Safety

Unplug if strange odors occur, do not open grill during operation, ventilate room, and turn off power when cleaning.

Additional Operation Safety

Plug and Hand Safety

Do not operate with wet hands, handle plugs correctly, and avoid touching metal parts when removing filters.

Neighbors and Leveling Safety

Install to minimize noise for neighbors and ensure the unit is level to prevent vibration or water leakage.

Specific Operation Safety

Airflow and Plant Placement Safety

Do not place pets or plants in direct airflow; do not block air inlets or outlets.

Unit and Filter Handling Safety

Do not step on the unit, ensure filters are inserted securely, and avoid drinking drain water.

Sharp Edges and Ventilation Safety

Be cautious of sharp edges, perform ventilation, and avoid inserting objects into inlets/outlets.

Battery Safety

Handle battery leaks carefully; wash skin and seek medical attention if ingested.

Before Operation

Preparing for Operation

Contact specialists for installation, use a dedicated circuit, and do not use extension cords or plug/unplug for operation.

Usage Guidelines

Avoid prolonged direct airflow, ventilate when using with heating devices, and do not use for special purposes.

Cleaning and Maintenance Procedures

Avoid touching metal parts, do not use water inside the unit, and ensure power is off before cleaning.

Service Information

Contact your authorized service dealer for repair and maintenance.

Introduction

Symbols Used in this Manual

Explanation of symbols used to indicate risks of electric shock, hazards, and special notes.

Features and Components Overview

Overview of unit features like air deflectors, grilles, air filters, and sleeves.

Electrical Safety

Electrical Data and Receptacles

Information on voltage requirements, wall receptacles, and appropriate circuit breakers/fuses.

Current Interrupter Device Safety

Instructions for testing the current interrupter device and warnings against misuse.

General Electrical Warnings

Warnings about the device containing lead, handling, modification, and prompt correction of trip causes.

Grounding and Plug Safety

Ensure the appliance is properly grounded; do not remove the ground prong.

Adapter Plug Usage

Guidelines for temporary connections with adapter plugs and proper alignment for polarity.

Extension Cord Usage

Discourages extension cord use; recommends CSA certified/UL-listed 3-wire cords if necessary.

Installation

Installation Cautions

Be aware of sharp edges, lifting weight, and potential interference with airflow.

Sleeve and Grille Installation

Ensure insulation, check sleeve gaps, and maintain clearance for heat radiation and airflow.

Unit Dimensions

Diagrams showing the dimensions of the air conditioner and the optional sleeve assembly.

Unit Installation Steps

Instructions for removing the front grille, sliding the unit into the sleeve, and reinstalling the grille.

Installation Caution: Airflow Blocking

Warning against blocking indoor or outdoor air discharge, which can cause premature unit failure.

Control Locations

Manual Controls Overview

Description of temperature control, operation mode selector, and ventilation lever.

Temperature Control Operation

How to set the thermostat for desired temperature and adjust for satisfactory room conditions.

Ventilation Lever Function

Explanation of the ventilation lever's position for cooling efficiency and fresh air intake.

Operation Caution

Wait before resetting to cooling operation after turning off or setting to fan mode.

Electronic Controls Overview

Explanation of fan speed, power, mode, and temperature setting buttons on the electronic control panel.

Fan Speed and Mode Selection

How to cycle through fan speed settings and select operational modes.

Timer Function

Using the timer for shut-off time and comfort settings.

Self-Diagnosis and Fault Codes

How the unit indicates malfunctions using an OPERATION LED and fault codes.

Front Grille Removal and Additional Controls

Instructions to remove the front grille and access additional controls via dip switches.

Temperature Limiting Settings

How to set temperature limits for cooling and heating using switches #3 to #5.

Remote, Local, and Front Desk Controls

Enabling operation via Remote Wall Thermostat or Front Desk Control.

Energy Saver Function

Description of the energy saver switch #2 for continuous or cycling fan operation.

Wiring for Controls

Wire gauge limits and wiring schematics for remote thermostats and front desk controls.

Disassembly and Airflow Adjustment

Steps to disassemble the unit and adjust air discharge louvers.

Maintenance and Service

Air Filter Cleaning

Instructions for checking, washing, and replacing the air filter to maintain cooling capacity.

Vent Filter Maintenance

Steps to access, clean, and replace the vent filter after disconnecting power.

Drainage and Chassis Cleaning

Procedures for draining excess water and cleaning the unit's chassis.

Component and Model Specific Maintenance

Maintenance for compressor, cabinet, and corrosion-resistant models.

Common Problems and Solutions Overview

Introduction to troubleshooting tips for common issues.

Normal Operation Characteristics

Descriptions of normal sounds and water collection during operation.

Troubleshooting: Fan Motor Issues

Diagnosing and resolving fan motor problems like not running or intermittent operation.

Troubleshooting: Motor and Compressor Issues

Diagnosing and resolving fan motor noise and compressor not running issues.

Troubleshooting: Performance and Noise Issues

Resolving issues with compressor overload, insufficient cooling/heating, and excessive noise.

Room Air Conditioner Voltage Limits

Table showing minimum and maximum voltage limits for different unit ratings.

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