Frigidaire LAD504DUL Dehumidifier Manual

The Frigidaire LAD504DUL is a 50-pint capacity dehumidifier designed for medium to large rooms, featuring electronic controls, automatic humidity sensing, continuous drain option, washable filter, auto-restart, and 24-hour timer. It operates on 115V AC, 60Hz. 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, washable air filter, continuous drain hose connection, casters for mobility, and humidity sensor.

Feature	Description
Capacity	50 pints per day (at 60°F, 60% RH)
Control Panel	Electronic touch controls with LED display
Humidity Control	Adjustable from 35% to 85% relative humidity
Auto Restart	Resumes previous settings after power interruption
24-Hour Timer	Program on/off cycles
Continuous Drain	Garden hose connection for unattended operation
Filter Indicator	LED alert when filter needs cleaning
Full Bucket Alert	Auto shut-off and indicator when bucket is full
Washable Filter	Removable and reusable air filter
Casters	Four wheels for easy mobility

Installation

Unpack and inspect contents. Place on level, stable surface.

Positioning: Place at least 12 inches from walls and furniture for proper airflow.
Check filter: Ensure washable filter is properly installed.
Bucket installation: Insert empty water bucket securely until it clicks.
Power connection: Plug into a dedicated 115V AC outlet.
Continuous drain (optional): Attach 5/8" garden hose to drain port.

WARNING! Do not operate in temperatures below 41°F (5°C). Ensure unit is upright for at least 24 hours before first use if transported on its side.

First-Time Setup

Plug in unit; control panel will illuminate.

Set desired humidity: Press HUMIDITY button to select level (35%-85%).
Select fan speed: Choose LOW or HIGH with FAN button.
Timer setup (optional): Use TIMER button to program on/off schedule.
Continuous mode: Press CONTINUOUS for maximum dehumidification.
Auto mode: Unit automatically adjusts based on room humidity.

CAUTION! Do not block air intake or exhaust. Keep children away from controls.

Specifications

Model: Frigidaire LAD504DUL
Dehumidification Capacity: 50 pints/day (at 60°F, 60% RH)
Coverage Area: Up to 1500 sq. ft.
Power Supply: 115V AC, 60Hz, 5.5A
Water Bucket Capacity: 1.8 gallons
Noise Level: ≤ 51 dB on low setting
Operating Temperature: 41°F to 95°F (5°C to 35°C)
Dimensions (HxWxD): 23.6" x 15.4" x 11.4"
Weight: 41 lbs
Refrigerant: R410A

Controls and Settings

Electronic control panel with LED display. Buttons: POWER, HUMIDITY, FAN, TIMER, CONTINUOUS, FILTER RESET.

Display Icons: Power, Bucket Full, Filter Clean, Target Humidity, Fan Speed, Timer, Continuous Mode.

Humidity Control: Adjust in 5% increments from 35% to 85%. Fan Speed: LOW for quiet operation, HIGH for maximum moisture removal. Timer: Set in 1-hour increments up to 24 hours. Continuous Mode: Runs continuously until manually turned off or bucket is full. Filter Alert: LED illuminates when filter needs cleaning; press FILTER RESET after cleaning.

Operation Modes

Auto Mode: Default setting; unit cycles on/off to maintain set humidity. Continuous Mode: For rapid dehumidification; overrides humidity setting. Laundry Mode: Increases fan speed to dry laundry faster (press FAN twice).

Press POWER to turn on.
Select mode using appropriate button.
Monitor humidity reading on display.
Empty bucket when FULL indicator lights.

Tip: Close windows and doors for best efficiency.

Maintenance

Regular maintenance ensures optimal performance.

Daily: Check and empty water bucket as needed.
Weekly: Clean air filter with warm water and mild detergent.
Monthly: Wipe exterior with soft, damp cloth.
Seasonal: Clean condenser coils with soft brush.
Storage: Empty bucket, clean filter, and store in dry place.

WARNING! Always unplug unit before cleaning. Do not use harsh chemicals.

Drainage Options

Bucket: Remove and empty when full (auto shut-off activates). Continuous Drain: Connect 5/8" garden hose (not included) to drain port.

For continuous drain: Place unit near floor drain or sink.
Remove bucket and attach hose to drain port.
Ensure hose runs downward without kinks.
Unit will drain continuously; bucket not required.

CAUTION! Do not lift unit while hose is attached. Ensure proper drainage to prevent overflow.

Care & Cleaning

Unplug before cleaning. Use soft cloth with mild detergent for exterior. Clean air filter monthly.

CAUTION! Do not immerse unit in water. Do not use abrasive cleaners. Allow filter to dry completely before reinstalling.

Regulatory Information

UL Listed. Meets EPA energy efficiency standards. Copyright © Frigidaire. For support, visit www.frigidaire.com or contact 1-800-374-4432. This product contains refrigerant that must be disposed of properly by certified technicians.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not turning on	No power	Check outlet; ensure plug is secure; test outlet with another device.
Not removing moisture	Filter clogged/temp too low	Clean filter; ensure room temp above 41°F; check humidity setting.
Bucket full light on (empty bucket)	Bucket not seated properly	Remove and reinsert bucket until click is heard.
Water leaking	Bucket overfull/hose connection	Empty bucket; check hose for kinks; ensure unit is level.
Loud noise	Loose parts/fan obstruction	Check for loose panels; clear debris from fan area.
Filter light on	Dirty filter	Clean filter; press FILTER RESET button.

Reset: Unplug for 5 minutes, then restart.

Service: 1-800-374-4432; www.frigidaire.com