LG Dehumidifier Manual CH 24

The LG Dehumidifier CH 24 is a 24-pint capacity dehumidifier designed for medium-sized rooms, featuring automatic humidity control, continuous drainage option, 24-hour timer, washable filter, auto-defrost function, low noise operation, and energy-efficient performance. Ideal for basements, bedrooms, and living areas up to 1500 sq ft. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Operation 7. Maintenance 8. Drainage Options 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital control panel, Water tank with full indicator, Continuous drainage port, Washable air filter, Auto-restart function, Humidity sensor.

FeatureDescription
Capacity24 pints per day (at 80°F, 60% RH)
Control PanelDigital display with humidity readout
Water Tank1.8 gallon capacity with full indicator
Continuous DrainageGarden hose connection for continuous operation
Air FilterWashable mesh filter for air quality
Timer24-hour programmable timer
Auto DefrostAutomatic defrost in low temperatures
Auto RestartResumes previous settings after power outage
Fan Speeds2-speed fan control (High/Low)
Noise LevelLow noise operation (≤48 dB)

Installation

Unpack and inspect contents. Place on level surface.

  1. Choose location: Place on flat, stable surface away from walls and furniture.
  2. Check clearance: Ensure 12-18 inches clearance on all sides for proper airflow.
  3. Install filter: Remove and wash filter before first use, then reinstall properly.
  4. Connect power: Plug into grounded 120V AC outlet.
  5. Set up drainage: Attach hose for continuous drainage if desired.

WARNING! Do not place near heat sources or in direct sunlight. Ensure proper ventilation.

First-Time Setup

Power on dehumidifier; follow initial setup procedure.

  1. Set humidity level: Press HUMIDITY button to set desired level (35%-80%).
  2. Select fan speed: Choose HIGH or LOW fan speed as needed.
  3. Set timer: Program 24-hour timer for automatic on/off operation.
  4. Check operation: Verify compressor starts and humidity reading appears.
  5. Monitor performance: Allow 24 hours for optimal humidity control.

CAUTION! Do not operate in temperatures below 41°F or above 95°F.

Specifications

Controls and Settings

Access all functions through digital control panel. Front Panel: POWER, HUMIDITY SET, FAN SPEED, TIMER, FILTER RESET.

Display Indicators: Current humidity, Set humidity, Timer, Filter alert, Full tank, Defrost mode.

Humidity Control: Set between 35%-80% in 5% increments. Fan Speed: HIGH for maximum dehumidification, LOW for quiet operation. Timer: Program on/off times in 1-hour increments. Auto Mode: Automatically adjusts fan speed based on humidity level. Continuous Operation: Runs continuously until tank is full or desired humidity reached.

Operation

Normal daily operation procedures and optimal settings.

  1. Power On: Press POWER button; unit begins operation.
  2. Set Humidity: Press HUMIDITY button to desired level (45-50% recommended).
  3. Select Mode: Choose AUTO for automatic operation or manual settings.
  4. Monitor Performance: Check display for current humidity and operation status.
  5. Empty Tank: When FULL indicator lights, turn off and empty water tank.
  6. Use Timer: Set automatic start/stop times for energy savings.

Tip: For best efficiency, keep doors and windows closed during operation.

Maintenance

Regular maintenance ensures optimal performance and longevity.

  1. Clean Filter: Remove and wash filter every 2 weeks or as needed.
  2. Empty Tank: Empty water tank regularly; clean with mild detergent monthly.
  3. Check Drainage: Ensure drainage hose is clear and properly connected.
  4. Clean Exterior: Wipe exterior with soft, damp cloth.
  5. Reset Filter Indicator: Press FILTER RESET after cleaning filter.
  6. Seasonal Storage: Drain completely, clean, and store in dry location.

WARNING! Always unplug before cleaning or maintenance.

Drainage Options

Two methods for water removal: manual tank emptying or continuous drainage.

  1. Manual Drainage: Use built-in water tank; empty when FULL indicator lights.
  2. Continuous Drainage: Connect standard garden hose to drainage port.
  3. Hose Installation: Attach hose securely; ensure downward slope for proper flow.
  4. Drain Location: Route hose to floor drain, sink, or outdoors.
  5. Check Flow: Verify water flows freely without kinks or blockages.

CAUTION! Ensure proper hose connection to prevent leaks.

Care & Cleaning

Unplug before cleaning. Use mild detergent and soft cloth only.

Exterior: Wipe with damp cloth; do not use abrasive cleaners.

Water Tank: Clean with mild detergent; rinse thoroughly.

Air Filter: Wash with warm water; air dry completely before reinstalling.

Condenser Coils: Vacuum gently to remove dust buildup.

CAUTION! Do not immerse unit in water or use harsh chemicals.

Regulatory Information

UL Listed: Meets UL 474 safety standards. Energy Star: Certified for energy efficiency. EPA: Compliant with refrigerant regulations. Copyright © 2023 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000. Model CH 24 manufactured for residential use only.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not startingPower issue/full tankCheck power connection; ensure tank is empty and properly seated.
Poor dehumidificationDirty filter/extreme conditionsClean air filter; check room temperature and humidity levels.
Water leakageImproper tank placement/hose connectionEnsure tank is properly seated; check hose connections for tightness.
Loud operationUneven surface/fan issuePlace on level surface; check for obstructions in fan area.
Display not workingPower supply/control issueCheck power cord; reset unit by unplugging for 5 minutes.
Ice formationLow temperatureAuto-defrost should activate; move to warmer location if persistent.

Reset: Unplug for 5 minutes, then restart.

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

LG Dehumidifier Manual CH 24 © - All Rights Reserved 2025