LG Dehumidifier Manual LD451EGL

The LG Dehumidifier LD451EGL is a 45-pint capacity dehumidifier with electronic controls, auto-restart function, 24-hour timer, continuous drainage option, washable filter, low-temperature operation capability, and energy-efficient performance. Suitable for medium to large rooms up to 3000 sq ft. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: Electronic control panel, removable water bucket, continuous drainage port, washable air filter, casters for mobility, auto-defrost function.

Feature	Description
Capacity	45 pints per day at 65°F/60% RH
Control Panel	Electronic controls with LED display
Water Bucket	Removable 1.8-gallon capacity with full indicator
Continuous Drainage	Garden hose adapter for continuous operation
Air Filter	Washable mesh filter
Timer	24-hour programmable timer
Auto Restart	Resumes previous settings after power outage
Low Temp Operation	Operates down to 41°F (5°C)
Mobility	Four casters for easy movement
Energy Efficiency	Energy Star certified

Installation

Unpack and inspect contents. Place on level surface.

Remove packaging materials and protective tape.
Place unit on level floor with at least 12 inches clearance on all sides.
Install casters if not pre-installed.
Allow unit to stand upright for 2 hours before operation if transported horizontally.
Check that water bucket is properly seated.

WARNING! Do not operate in temperatures below 41°F (5°C). Ensure proper ventilation around unit.

First-Time Setup

Plug into grounded electrical outlet; follow initial setup procedure.

Position unit in area with high humidity, away from walls and furniture.
Plug into dedicated 115V/60Hz grounded outlet.
Press POWER button to turn on unit.
Set desired humidity level using HUMIDITY control (30%-80% RH).
Select operating mode: Continuous, Auto, or Timer mode.
For continuous drainage: Connect garden hose to drainage port.

CAUTION! Do not use extension cords. Ensure water bucket is properly installed before operation.

Specifications

Model: LD451EGL
Capacity: 45 pints per day (at 65°F/60% RH)
Water Bucket Capacity: 1.8 gallons
Operating Temperature: 41°F to 95°F (5°C to 35°C)
Power Requirements: 115V/60Hz, 4.5A
Air Flow: 165 CFM
Room Size: Up to 3000 sq ft
Noise Level: 48 dB
Dimensions: 15.4" W x 11.4" D x 24.3" H
Weight: 41 lbs
Refrigerant: R410A

Controls and Settings

Electronic control panel with LED display and touch buttons.

Control Panel: POWER, MODE, FAN SPEED, HUMIDITY SET, TIMER, FILTER RESET.

Operating Modes: Continuous (runs until bucket full or turned off), Auto (maintains set humidity), Timer (programmable 24-hour operation). Fan Speeds: High, Medium, Low. Humidity Control: 30% to 80% RH in 5% increments. Timer: 1-24 hours in 1-hour increments. Filter Indicator: Lights when filter needs cleaning.

Operation Modes

Three main operating modes for different humidity control needs.

Auto Mode: Maintains set humidity level automatically.
Continuous Mode: Runs continuously until bucket full or manually turned off.
Timer Mode: Program start/stop times for energy savings.
Laundry Mode: Maximum dehumidification for drying clothes.

Tip: Use Auto mode for general humidity control. Use Continuous mode for rapid moisture removal.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Water Bucket: Empty when full indicator lights. Clean monthly with mild detergent.
Air Filter: Clean every 2 weeks or when filter indicator lights.
Exterior: Wipe with damp cloth. Do not use harsh chemicals.
Condenser Coils: Vacuum gently every 3 months.
End of Season: Clean thoroughly and store in dry location.

WARNING! Always unplug unit before cleaning. Do not immerse in water.

Drainage Options

Two methods for water removal: bucket collection or continuous drainage.

Bucket Collection: Standard method. Empty when full indicator lights and beeps sound.

Continuous Drainage: Connect standard garden hose (not included) to drainage port. Ensure hose runs downhill without kinks.

Care & Cleaning

Unplug before cleaning. Use only mild detergent and water.

CAUTION! Do not use gasoline, thinners, or abrasive cleaners. Do not spray water directly on unit. Allow all parts to dry completely before reassembly.

Regulatory Information

UL Listed. Energy Star certified. FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2024 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power/Bucket	Check power connection; ensure bucket properly seated; reset circuit breaker.
Poor dehumidification	Filter/Temperature	Clean air filter; check room temperature (41°F-95°F); close windows/doors.
Water leakage	Bucket/Drainage	Ensure bucket properly installed; check drainage hose for kinks.
Loud noise	Level/Obstruction	Ensure unit on level surface; check for foreign objects in fan.
Ice on coils	Low temperature	Auto-defrost should activate; move to warmer location if below 41°F.
Filter light on	Dirty filter	Clean air filter; press FILTER RESET button.

Reset: Unplug for 5 minutes, then restart.

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