LG Air Conditioner Manual 3850A30064E

The LG Air Conditioner Model 3850A30064E is a high-efficiency cooling unit with advanced features including smart temperature control, energy-saving modes, multiple fan speeds, timer functions, remote control operation, air purification system, dehumidification mode, and sleep mode. Designed for residential use with 120V AC power supply. 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: Digital display panel, Remote Control, Air intake grille, Air outlet, Power cord, Filter access panel, Drain outlet.

FeatureDescription
Cooling Capacity12,000 BTU for rooms up to 550 sq ft
Energy EfficiencyENERGY STAR certified
Operating ModesCool, Fan, Dry, Auto
Fan Speeds4 levels (Low, Medium, High, Auto)
Timer Function24-hour on/off timer
Sleep ModeAutomatic temperature adjustment
Air PurificationBuilt-in anti-bacterial filter
Remote ControlFull function remote with LCD display
Noise LevelAs low as 45 dB in quiet mode
Power Requirements120V, 60Hz, 10A

Installation

Unpack and inspect contents. Choose appropriate location near window or wall opening.

  1. Position unit: Place on flat, stable surface near electrical outlet.
  2. Install window kit: Attach adjustable window bracket securely.
  3. Connect exhaust hose: Ensure proper seal to prevent air leaks.
  4. Secure unit: Lock window bracket and check stability.
  5. Plug into dedicated electrical outlet.

WARNING! Ensure proper ventilation; maintain clearance of at least 20 inches from walls and furniture.

First-Time Setup

Plug in unit; follow initial setup procedure.

  1. Power on: Press POWER button on unit or remote.
  2. Set operating mode: Select Cool, Fan, Dry, or Auto mode.
  3. Adjust temperature: Set desired temperature (62°F - 86°F range).
  4. Configure fan speed: Choose from Low, Medium, High, or Auto.
  5. Program timer: Set automatic on/off times if needed.

CAUTION! Allow unit to stabilize for 5 minutes after installation before operation.

Specifications

Controls and Settings

Access controls via front panel buttons or remote control. Front Panel: POWER, MODE, TEMP UP/DOWN, FAN SPEED, TIMER.

Remote: POWER, MODE, TEMPERATURE, FAN SPEED, TIMER, SLEEP, SWING, TURBO, LED display.

Operating Modes: COOL (standard cooling), FAN (air circulation only), DRY (dehumidification), AUTO (automatic temperature control). Fan Settings: Low, Medium, High, Auto. Timer: Program on/off times in 30-minute increments. Sleep Mode: Gradually adjusts temperature for comfortable sleep.

Connecting to Power

Use dedicated 120V AC outlet with proper grounding.

  1. Ensure unit is turned off before plugging in.
  2. Use only grounded 3-prong outlet.
  3. Do not use extension cords or power strips.
  4. Verify circuit can handle 10A load.

Tip: Use surge protector for added electrical protection.

Operating Modes

Supports multiple operating modes for different needs.

  1. Cool Mode: Standard air conditioning with temperature control.
  2. Fan Mode: Air circulation without cooling.
  3. Dry Mode: Reduces humidity while maintaining comfort.
  4. Auto Mode: Automatically selects mode based on room conditions.
  5. Sleep Mode: Gradually increases temperature overnight.
  6. Turbo Mode: Maximum cooling for rapid temperature drop.

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

Maintenance Features

Auto Restart: Resumes previous settings after power interruption. Filter Alert: Indicates when filter needs cleaning. Self-Diagnosis: Detects common operational issues.

Care & Cleaning

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

  1. Remove front grille and air filter.
  2. Wash filter with mild detergent and warm water.
  3. Allow filter to dry completely before reinstalling.
  4. Wipe exterior with soft, damp cloth.

CAUTION! Do not use harsh chemicals or abrasive cleaners.

Regulatory Information

UL Listed: Complies with UL 484 standards. EPA Certified: Meets ENERGY STAR requirements. Refrigerant: Contains R410A, an environmentally friendly refrigerant. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not coolingDirty filter/blocked ventsClean air filter; ensure proper airflow around unit.
Water leakageClogged drainCheck and clear drain outlet; ensure proper tilt.
Loud noiseLoose parts/fan obstructionTighten all screws; remove obstructions from fan.
Remote not workingBatteries/obstaclesReplace batteries; ensure clear line of sight to unit.
Unit not turning onPower supply/timerCheck power outlet; verify timer is not active.

Reset: Unplug unit for 5 minutes, then restart.

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

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