LG A/C Unit MLN248HTV Manual

The LG A/C Unit MLN248HTV is a 24,000 BTU split-type air conditioning system with inverter technology, energy efficiency rating of SEER 18, Wi-Fi connectivity, smart control via ThinQ app, auto-cleaning function, 4-way air deflection, dehumidification mode, sleep mode, timer functions, and eco-friendly R32 refrigerant. 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. Smart Features 8. Maintenance 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Indoor unit with LED display, Remote Control, Outdoor compressor unit, Wi-Fi module, Air filters, Drain pipe connection.

FeatureDescription
Cooling Capacity24,000 BTU/h with inverter technology
Energy EfficiencySEER 18 rating
Wi-Fi ConnectivityLG ThinQ app control
Auto CleaningSelf-cleaning function for indoor unit
Air Deflection4-way swing louvers
Operating ModesCool, Heat, Fan, Dry, Auto
Noise LevelAs low as 19 dB (indoor unit)
RefrigerantR32 eco-friendly
Timer Function24-hour on/off timer
Sleep ModeQuiet operation with temperature adjustment

Installation

Unpack and inspect contents. Professional installation recommended.

  1. Install outdoor unit: Place on stable, level surface with proper clearance.
  2. Install indoor unit: Mount on wall at recommended height (7-8 feet).
  3. Connect refrigerant pipes: Use proper tools and follow refrigerant guidelines.
  4. Electrical connection: Connect to dedicated 220-240V circuit.
  5. Drainage setup: Install drain pipe with proper slope.

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

First-Time Setup

Power on unit; follow initial setup procedure.

  1. Remote control setup: Insert batteries and pair with indoor unit.
  2. Wi-Fi connection: Download LG ThinQ app and connect to home network.
  3. Initial settings: Set temperature units (°C/°F), language, and time.
  4. Test operation: Run cooling mode to verify proper function.
  5. Auto cleaning: Perform initial auto-cleaning cycle.

CAUTION! Allow unit to stabilize for 10 minutes after installation before first use.

Specifications

Controls and Settings

Access controls via remote or ThinQ app. Indoor Unit: Power button, LED display, operation indicator.

Remote: POWER, MODE, TEMP ▲/▼, FAN SPEED, SWING, TIMER, SLEEP, AUTO CLEAN, WI-FI.

Operation Modes: COOL, HEAT, FAN, DRY, AUTO. Fan Speeds: AUTO, LOW, MEDIUM, HIGH, TURBO. Smart Features: ThinQ app control, voice control compatibility, energy monitoring, diagnostic functions.

Connecting Devices

Wi-Fi: Connect to home network for smart features. Remote: Infrared connection to indoor unit.

  1. Ensure unit is powered on and in standby mode.
  2. Download LG ThinQ app from app store.
  3. Follow in-app setup instructions for Wi-Fi connection.
  4. Pair remote control by pointing at indoor unit.

Tip: Keep remote control within 20 feet of indoor unit for reliable operation.

Smart Features

LG ThinQ app provides advanced control and monitoring.

  1. Remote control: Adjust settings from anywhere with internet connection.
  2. Voice control: Compatible with Google Assistant and Amazon Alexa.
  3. Energy monitoring: Track electricity usage and set energy-saving schedules.
  4. Diagnostics: Receive alerts for maintenance needs and error codes.
  5. Geofencing: Auto-adjust temperature based on your location.
  6. Smart scheduling: Set weekly operation schedules.
  7. Air quality monitoring: Monitor filter status and indoor air quality.

WARNING! Keep app updated for latest features and security patches.

Maintenance

Regular maintenance ensures optimal performance and longevity.

  1. Filter cleaning: Clean air filters every 2 weeks during heavy use.
  2. Auto cleaning: Run auto-clean function monthly.
  3. Outdoor unit: Keep area clear of debris and vegetation.
  4. Professional service: Schedule annual maintenance by qualified technician.
  5. Drainage check: Ensure drain pipe is clear and flowing properly.

Care & Cleaning

Turn off power before cleaning. Use soft, dry cloth for exterior surfaces.

Air Filters: Remove and clean with vacuum or warm water (air dry completely).

Indoor Unit: Wipe with soft, dry cloth. Do not use chemicals or abrasive cleaners.

Outdoor Unit: Keep fins clean and straight. Remove leaves and debris.

CAUTION! Do not use water on electrical components. Never operate without filters.

Regulatory Information

UL certified; complies with US energy efficiency standards. Copyright © 2024 LG Electronics; all rights reserved. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000. This product contains fluorinated greenhouse gases covered by the Kyoto Protocol.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not turning onPower supply/remoteCheck circuit breaker; ensure remote batteries; verify power connection.
Poor cooling performanceDirty filters/settingsClean air filters; check temperature setting; ensure proper airflow.
Water leakageClogged drain pipeCheck and clear drain pipe; ensure proper installation slope.
Unusual noisesLoose parts/fan issuesCheck for loose panels; ensure fan blades are clear; contact service.
Wi-Fi connection lostNetwork issuesReset Wi-Fi connection; check router; reinstall ThinQ app.
Error codes displayedSystem faultsNote error code; consult manual; contact LG service center.

Reset: Turn off at breaker for 10 minutes, then restart.

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

LG A/C Unit MLN248HTV Manual © - All Rights Reserved 2025