LG Air Conditioning Unit User Manual

The LG Air Conditioning Unit is a high-efficiency cooling system featuring smart temperature control, energy-saving modes, multiple fan speeds, timer functions, remote control operation, air purification filters, dehumidification mode, sleep mode, and auto-restart function. Designed for residential and light commercial use with 120V/240V compatibility. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Power 7. Operating Modes 8. Maintenance Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Compressor unit, indoor evaporator, Remote Control, Air filters, Temperature sensors, Drain hose, Power cord.

Feature	Description
Cooling Capacity	12,000 BTU for rooms up to 550 sq ft
Energy Efficiency	ENERGY STAR certified
Fan Speeds	Auto, Low, Medium, High
Operating Modes	Cool, Fan, Dry, Auto
Timer Function	24-hour on/off timer
Sleep Mode	Auto temperature adjustment for comfort
Air Filter	Washable anti-bacterial filter
Auto Restart	Resumes previous settings after power outage
Remote Control	Full function remote with LCD display
Noise Level	As low as 25 dB in quiet mode

Installation

Unpack and inspect contents. Ensure proper location for installation.

Choose installation location: Select sturdy wall with proper clearance (minimum 20 inches from ceiling).
Mount indoor unit: Use included mounting bracket and secure to wall studs.
Connect outdoor unit: Route refrigerant lines through wall opening.
Electrical connection: Connect to dedicated 15-amp circuit.
Drain hose: Install with proper slope for water drainage.

WARNING! Installation should be performed by qualified technician. Ensure proper electrical grounding.

First-Time Setup

After installation, perform initial setup for optimal performance.

Power on unit: Plug into dedicated outlet and turn on circuit breaker.
Remote control setup: Install batteries and pair with unit.
Initial settings: Set temperature to 72°F, fan to Auto mode.
Test operation: Run unit for 15 minutes to ensure proper cooling.
Program timer: Set desired on/off times for daily operation.

CAUTION! Allow unit to stabilize for 10 minutes between power cycles.

Specifications

Cooling Capacity: 12,000 BTU/H
Power Supply: 115V/60Hz
Power Consumption: 1080W (Cooling)
Refrigerant: R410A
Air Flow: 350 CFM (High speed)
Noise Level: 25-45 dB
Dimensions (Indoor): 31.5" W x 11.8" H x 8.7" D
Weight: 55 lbs (Indoor unit)
Operating Temp Range: 64°F to 90°F

Controls and Settings

Access controls via front panel buttons or remote control. Front Panel: POWER, MODE, FAN SPEED, TEMPERATURE, TIMER.

Remote: POWER, MODE, TEMP UP/DOWN, FAN SPEED, TIMER, SLEEP, SWING, TURBO, FILTER RESET.

Temperature: 64°F to 86°F in 1° increments. Fan Speed: Auto, Low, Medium, High, Turbo. Modes: Cool, Dry, Fan, Auto. Timer: 24-hour programmable on/off. Sleep: Auto temperature adjustment over 7 hours. Swing: Adjustable louver direction.

Connecting to Power

Requires dedicated 15-amp circuit with proper grounding.

Turn off main power before electrical connection.
Use proper gauge wiring (14 AWG minimum).
Connect to dedicated outlet; avoid extension cords.
Ensure proper grounding for safety.

Tip: Use surge protector for added electrical protection.

Operating Modes

Multiple operating modes for different comfort needs.

Cool Mode: Standard air conditioning with temperature control.
Dry Mode: Dehumidification without significant cooling.
Fan Mode: Air circulation only without cooling.
Auto Mode: Unit automatically selects Cool or Fan based on room temperature.
Sleep Mode: Gradually increases temperature for energy savings.
Turbo Mode: Maximum cooling for quick temperature reduction.

WARNING! Do not operate unit with blocked air intake or outlet.

Maintenance Features

Auto Clean: Dries internal components to prevent mold. Filter Alert: Reminds when to clean air filter. Self-Diagnosis: Detects common operational issues.

Care & Cleaning

Unplug unit before cleaning. Clean air filter every 2 weeks during heavy use.

Remove front panel to access air filter.
Wash filter with mild detergent and warm water.
Allow filter to dry completely before reinstalling.
Wipe exterior with soft, damp cloth.

CAUTION! Do not use harsh chemicals or abrasive cleaners.

Regulatory Information

UL Listed; complies with FCC Part 15 for electromagnetic interference. ENERGY STAR certified for energy efficiency. Manufactured to meet AHAM and DOE standards. For support, visit www.lg.com or contact 1-800-243-0000. Copyright © 2024 LG Electronics.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not cooling	Dirty filter/thermostat	Clean air filter; check temperature setting; ensure proper installation.
Water leakage	Clogged drain	Check drain hose for blockage; ensure proper slope.
Unusual noise	Loose parts/fan	Check for loose screws; ensure fan blades are clear.
Remote not working	Batteries/obstruction	Replace batteries; point remote at sensor; remove obstacles.
Unit not turning on	Power supply/timer	Check power cord; verify circuit breaker; check timer settings.

Reset: Turn off power for 5 minutes, then restart.

Service: 1-800-243-0000; www.lg.com