LG Air Conditioner Split Unit Manual

The LG Air Conditioner Split Unit is a high-efficiency cooling system featuring inverter technology, multiple operation modes, smart control capabilities, energy-saving functions, air purification filters, quiet operation, remote control access, timer settings, and auto-swing louvers. Designed for residential and light commercial use with R32 refrigerant. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: Indoor unit with LCD display, Outdoor compressor unit, Remote Control, Air filters, Louvers, Drain pipe, Power cord.

Feature	Description
Inverter Technology	Energy-efficient cooling with variable compressor speed
Operation Modes	Cool, Heat, Dry, Fan, Auto
Smart Control	Wi-Fi enabled for app control (compatible models)
Air Purification	Multi-stage filtration system
Quiet Operation	Low noise levels for peaceful environment
Auto Swing Louvers	Automatic air direction adjustment
Timer Function	Programmable on/off scheduling
Sleep Mode	Energy-saving overnight operation
Turbo Mode	Rapid cooling/heating
Self-Clean	Automatic indoor unit cleaning

Installation

Unpack and inspect all components. Ensure proper location selection.

Mount indoor unit: Install on wall at least 7 feet from floor, ensure level placement.
Install outdoor unit: Place on stable surface with proper ventilation clearance.
Connect refrigerant pipes: Use proper tools for flare connections.
Connect drainage: Ensure proper slope for condensate drainage.
Electrical connections: Connect to dedicated circuit with proper grounding.
Vacuum and charge: Evacuate system and charge with R32 refrigerant.

WARNING! Installation must be performed by qualified technician. Incorrect installation may cause injury or damage.

First-Time Setup

After installation, perform initial setup for optimal performance.

Power on unit: Turn on circuit breaker and press power button.
Remote pairing: Point remote at indoor unit and press power button.
Initial settings: Set temperature, fan speed, and operation mode.
Test operation: Run unit in cool mode to verify proper function.
Wi-Fi setup: For smart models, connect to home network via LG ThinQ app.

CAUTION! Allow unit to stabilize for 10 minutes after initial startup.

Specifications

Cooling Capacity: 9,000 - 24,000 BTU/h (varies by model)
Heating Capacity: 9,000 - 24,000 BTU/h (heat pump models)
Power Supply: 115V/230V, 60Hz
Refrigerant: R32 (eco-friendly)
Noise Level: 19-42 dB (indoor), 46-58 dB (outdoor)
Energy Rating: ENERGY STAR certified
Dimensions: Varies by model capacity
Weight: 15-45 kg (indoor), 25-70 kg (outdoor)
Operating Temp: Cooling: 18°C to 46°C, Heating: -15°C to 24°C

Controls and Settings

Access controls via remote or indoor unit buttons. Display shows current settings and status.

Remote Functions: POWER, MODE, TEMP ▲/▼, FAN SPEED, TIMER, SWING, TURBO, SLEEP, FILTER RESET.

Operation Modes: COOL (temperature setting 18°C-30°C), HEAT (temperature setting 16°C-30°C), DRY (dehumidification), FAN (speed control), AUTO (automatic mode selection). Fan Speeds: AUTO, LOW, MEDIUM, HIGH. Timer: Program on/off times in 30-minute increments. Special Functions: SLEEP (gradual temperature adjustment), TURBO (maximum cooling/heating), QUIET (minimum noise).

Connecting to Power

Proper electrical connection is essential for safe operation.

Ensure power is turned off at circuit breaker.
Connect to dedicated circuit with proper amperage rating.
Verify proper grounding according to local electrical codes.
Use correct wire gauge for distance and load.
Install surge protector for voltage fluctuation protection.

Tip: Always disconnect power before performing any maintenance.

Operation Modes

Multiple operation modes for different comfort needs.

Cool Mode: Set desired temperature for cooling operation.
Heat Mode: For heating in winter (heat pump models only).
Dry Mode: Reduces humidity without significant cooling.
Fan Mode: Circulates air without cooling/heating.
Auto Mode: Unit automatically selects mode based on room temperature.
Sleep Mode: Gradually adjusts temperature for comfortable sleep.
Turbo Mode: Rapid cooling/heating for quick comfort.
Quiet Mode: Minimizes operating noise.

WARNING! Do not operate unit with blocked air inlets or outlets.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Air Filter Cleaning: Clean every 2 weeks during operation season.
Outdoor Unit: Keep area clear of debris and vegetation.
Indoor Unit: Wipe with soft dry cloth, do not use chemicals.
Drain Pipe: Check for blockages monthly.
Professional Service: Schedule annual maintenance by qualified technician.

CAUTION! Always turn off power before cleaning. Do not use water on electrical components.

Regulatory Information

UL/CSA certified for safety standards. EPA compliant for refrigerant handling. ENERGY STAR partner for energy efficiency. Copyright © 2025 LG Electronics; all trademarks property of LG Corp. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power supply/remote	Check circuit breaker; replace remote batteries; ensure proper remote aiming.
Poor cooling	Dirty filters/settings	Clean air filters; check temperature setting; ensure vents not blocked.
Water leakage	Clogged drain	Check drain pipe for blockages; ensure proper installation slope.
Unusual noise	Loose parts/fan	Check for loose panels; ensure fan blades not obstructed.
Error codes displayed	System faults	Refer to error code chart in manual; contact service if persistent.

Reset: Turn off at breaker for 5 minutes, then restart.

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