LG Ductless Split Air Conditioner Manual

The LG Ductless Split Air Conditioner is an energy-efficient cooling and heating system featuring inverter technology, multiple operation modes, smart controls, air purification filters, auto-swing louvers, sleep mode, timer functions, and remote control operation. Designed for residential and light commercial use with easy installation and maintenance. 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 Devices 7. Operation Modes 8. Maintenance Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Indoor unit with LCD display, Outdoor compressor unit, Remote Control, Air filters, Auto-swing louvers, Temperature sensors.

FeatureDescription
Inverter TechnologyEnergy-efficient variable speed compressor
Operation ModesCool, Heat, Dry, Fan, Auto
Temperature Range16°C - 30°C (60°F - 86°F)
Air Flow DirectionAuto-swing vertical/horizontal louvers
Fan SpeedsAuto, Low, Medium, High, Turbo
Timer FunctionsOn/Off timer up to 24 hours
Sleep ModeAutomatic temperature adjustment
Air PurificationMulti-stage filtration system
Remote ControlLCD remote with full function control
Power Supply220-240V, 50/60Hz

Installation

Unpack and inspect contents. Professional installation recommended.

  1. Select location: Install indoor unit 2.2-2.5m above floor; outdoor unit on stable surface with proper clearance.
  2. Mount brackets: Secure indoor unit bracket to wall; outdoor unit mounting pad.
  3. Connect refrigerant lines: Connect copper pipes between indoor and outdoor units.
  4. Electrical connections: Connect power cables following local electrical codes.
  5. Vacuum and charge: Evacuate system and charge with refrigerant.

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

First-Time Setup

Power on unit; follow initial setup procedure.

  1. Test operation: Press POWER on remote; select COOL mode.
  2. Set temperature: Use TEMP buttons to set desired temperature.
  3. Adjust fan speed: Select appropriate fan speed for your needs.
  4. Configure timer: Set ON/OFF timer if required.
  5. Test all modes: Verify COOL, HEAT, DRY, FAN, AUTO functions.

CAUTION! Allow unit to stabilize for 5 minutes after power on before changing settings.

Specifications

Controls and Settings

Access functions via remote control or indoor unit buttons.

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

Operation Modes: COOL (blue), HEAT (red), DRY (dehumidify), FAN (ventilation), AUTO (automatic selection). Fan Speeds: AUTO, LOW, MEDIUM, HIGH, TURBO. Timer: ON timer (1-24 hours), OFF timer (1-24 hours). Swing: Vertical and horizontal air direction control. Sleep: Automatic temperature adjustment for comfortable sleep.

Connecting Devices

Wi-Fi module (optional): For smart control via LG ThinQ app.

  1. Install Wi-Fi module: Insert into dedicated port on indoor unit.
  2. Download LG ThinQ app: Available on iOS and Android.
  3. Connect to network: Follow app instructions to connect to home Wi-Fi.
  4. Remote access: Control unit from anywhere via smartphone.

Tip: Ensure stable Wi-Fi signal for reliable remote operation.

Operation Modes

Multiple operation modes for different needs.

  1. Cool Mode: For cooling; set desired temperature 16°C-30°C.
  2. Heat Mode: For heating; set desired temperature 16°C-30°C.
  3. Dry Mode: Dehumidification; maintains comfortable humidity.
  4. Fan Mode: Air circulation only; no cooling/heating.
  5. Auto Mode: Automatically selects COOL or HEAT based on room temperature.
  6. Turbo Mode: Maximum cooling/heating capacity for rapid temperature change.
  7. Sleep Mode: Gradually adjusts temperature for energy savings and comfort.

WARNING! Do not operate in HEAT mode below -15°C outdoor temperature.

Maintenance Features

Auto Clean: Dries indoor unit to prevent mold. Filter Cleaning Reminder: Alerts when filter needs cleaning. Self-Diagnosis: Detects and displays error codes.

Care & Cleaning

Turn off power before cleaning. Clean air filters every 2 weeks; wash with mild detergent and dry completely.

CAUTION! Do not use water above 45°C; do not expose filters to direct sunlight; ensure filters are completely dry before reinstallation.

Regulatory Information

CE Certified: Complies with European safety standards. Energy Rating: A++ for cooling, A+ for heating. RoHS Compliant: Free from hazardous substances. For support, visit www.lg.com or contact LG Customer Service at 0800-054-5454 (UK) or 0330-333-0333 (Ireland).

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not startingPower supply/remoteCheck power cord; replace remote batteries; ensure proper voltage.
Poor cooling/heatingDirty filters/settingsClean air filters; check temperature setting; ensure doors/windows closed.
Water leakageClogged drain pipeClean drain pipe; ensure proper installation angle.
Unusual noiseLoose parts/fanCheck for loose screws; ensure fan blades not obstructed.
Error code displayedSystem faultNote error code; turn off power for 10 minutes; restart; contact service if persists.

Reset: Turn off power for 10 minutes then restart.

Service: 0800-054-5454 (UK); 0330-333-0333 (Ireland); www.lg.com

LG Ductless Split Air Conditioner Manual © - All Rights Reserved 2025