LG Ductless Heat Pump Manual

The LG Ductless Heat Pump is an energy-efficient heating and cooling system featuring inverter technology, multiple operation modes, Wi-Fi connectivity, quiet operation, auto-swing louver, 24-hour timer, sleep mode, and advanced air filtration. Designed for residential and light commercial use with various capacity options. 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, Outdoor unit, Remote control, Power cable, Drain hose, Installation kit.

FeatureDescription
Inverter TechnologyEnergy-efficient operation with variable compressor speed
Wi-Fi ConnectivityRemote control via smartphone app
Auto Swing LouverAutomatic air direction adjustment
24-Hour TimerProgrammable on/off scheduling
Sleep ModeQuiet operation with temperature optimization
Multi-Speed FanAdjustable airflow settings
Air FiltrationAdvanced filter system for clean air
Self-DiagnosisAutomatic error detection and display
Auto RestartResumes previous settings after power outage
Quiet OperationLow noise levels for indoor comfort

Installation

Unpack and inspect contents. Ensure proper location selection.

  1. Install outdoor unit: Select stable, well-ventilated location; secure mounting brackets.
  2. Install indoor unit: Choose central location with proper clearance; mount securely.
  3. Connect refrigerant lines: Use proper tools and techniques for leak-free connections.
  4. Electrical connections: Follow local codes; connect to dedicated circuit.
  5. Drainage setup: Install drain hose with proper slope for water removal.

WARNING! Installation must be performed by qualified technician. Ensure proper refrigerant handling and electrical safety.

First-Time Setup

Power on system; follow initial setup procedure.

  1. Remote control setup: Install batteries; point at indoor unit signal receiver.
  2. Mode selection: Choose cooling, heating, fan, or auto mode.
  3. Temperature setting: Set desired temperature using remote control.
  4. Fan speed adjustment: Select appropriate airflow level.
  5. Timer programming: Set daily operation schedule if needed.

CAUTION! Allow system to stabilize after first startup. Do not adjust settings frequently during initial operation.

Specifications

Controls and Settings

Access controls via remote or indoor unit display. Remote buttons: POWER, MODE, TEMP, FAN, TIMER, SWING, SLEEP, WIFI.

Operation Modes: COOL, HEAT, FAN, AUTO, DRY. Fan Speeds: AUTO, LOW, MEDIUM, HIGH. Temperature Range: 60°F - 86°F. Timer Settings: 1-24 hours. Swing Control: Vertical and horizontal adjustment.

Advanced Settings: Filter reset, Self-cleaning, Unit beep, LED indicator, Fault code display.

Connecting Devices

Wi-Fi Setup: Download LG ThinQ app; follow pairing instructions.

  1. Ensure smartphone connected to 2.4GHz Wi-Fi network.
  2. Put unit in pairing mode (press WIFI button on remote).
  3. Follow app instructions to connect unit to home network.
  4. Test remote control functions through app.

Tip: Keep router within reasonable distance for stable connection.

Operation Modes

Supports multiple operation modes for optimal comfort.

  1. Cooling Mode: Set desired temperature; unit maintains cool environment.
  2. Heating Mode: Provides efficient heating during cold weather.
  3. Fan Mode: Circulates air without cooling or heating.
  4. Auto Mode: Automatically selects cooling or heating based on room temperature.
  5. Dry Mode: Reduces humidity while maintaining comfortable temperature.
  6. Sleep Mode: Gradually adjusts temperature for comfortable sleep.
  7. Quiet Mode: Reduces operating noise for nighttime operation.
  8. Turbo Mode: Maximum cooling/heating for quick temperature adjustment.

WARNING! Do not operate in extreme conditions outside specified range.

Maintenance Features

Self-Cleaning: Automatically cleans indoor unit when turned off. Filter Alert: Reminds when to clean air filter. Auto Restart: Resumes operation after power interruption.

Care & Cleaning

Turn off power before cleaning. Clean air filter every 2 weeks; wash with mild detergent and water. Wipe indoor unit with soft dry cloth.

CAUTION! Do not use harsh chemicals or water spray on unit. Keep filters dry before reinstalling.

Regulatory Information

UL/CSA certified; meets ENERGY STAR® requirements. Complies with FCC Part 15 for digital devices. Refrigerant handling requires EPA certification. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not startingPower supply/remoteCheck power connection; replace remote batteries; ensure unit plugged in.
Poor cooling/heatingDirty filters/settingsClean air filters; check temperature setting; ensure proper mode selected.
Unusual noiseLoose parts/obstructionsCheck for loose panels; remove obstructions from fan blades.
Water leakageClogged drainClear drain hose; ensure proper slope; check drain pan.
Wi-Fi not connectingNetwork/signalCheck router distance; verify 2.4GHz network; reset connection.
Error code displayedSystem faultRefer to error code chart in manual; contact service if persistent.

Reset: Turn off at breaker for 10 minutes; restart system.

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

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