Frigidaire LAD504DUL15 Dehumidifier Manual

The Frigidaire LAD504DUL15 is a 50-pint dehumidifier designed for residential use, featuring electronic controls, automatic humidity sensing, continuous drain option, washable air filter, auto restart, and a 24-hour timer. It operates on 115V/60Hz and is ideal for areas 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. Connecting Drainage 7. Operation Modes 8. Maintenance 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Electronic control panel, built-in humidistat, water collection bucket with full-bucket alert, continuous drain port, washable filter, casters for mobility, and auto defrost.

Feature	Description
Electronic Controls	Digital display with touchpad for humidity and timer settings
Automatic Humidity Sensing	Maintains set humidity level (35%-85%) automatically
Continuous Drain Option	Garden hose connection for unattended operation
Washable Air Filter	Captures airborne particles; can be cleaned and reused
Auto Restart	Resumes previous settings after power interruption
24-Hour Timer	Program on/off cycles for energy savings
Full-Bucket Alert	Indicator light and auto shut-off when bucket is full
Auto Defrost	Prevents coil freezing in low temperatures
Casters	Four wheels for easy room-to-room mobility
Energy Star Certified	Meets energy efficiency guidelines

Installation

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

Positioning: Allow at least 12 inches clearance on all sides for proper airflow.
Check filter: Ensure washable filter is properly installed.
Bucket installation: Slide empty bucket into place until it clicks.
Power connection: Plug into a dedicated 115V outlet; avoid extension cords.
Drain hose (optional): Attach standard garden hose to continuous 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 tilted during transport.

First-Time Setup

Plug in unit; control panel will illuminate.

Set humidity level: Press HUMIDITY button, then UP/DOWN arrows to select desired RH% (recommended 45-50%).
Select mode: Press MODE for continuous operation or auto (humidity control).
Set timer (optional): Press TIMER to program on/off schedule.
Check operation: Unit should begin running; bucket will fill based on room humidity.

CAUTION! Handle bucket carefully when full; empty promptly to prevent overflow.

Specifications

Model: Frigidaire LAD504DUL15
Dehumidification Capacity: 50 pints per day (at 60% RH, 80°F)
Coverage Area: Up to 3000 sq. ft.
Humidity Control Range: 35% to 85% RH
Power Supply: 115V, 60Hz, 6.5A
Water Bucket Capacity: 1.8 gallons
Air Flow: 165 CFM
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: R-410A

Controls and Settings

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

Display Indicators: Current humidity, set humidity, timer, filter alert, full bucket, defrost mode.

Mode Selection: CONTINUOUS (runs constantly), AUTO (maintains set humidity). Fan Speed: HIGH (faster dehumidification), LOW (quieter operation). Humidity Setting: Adjust in 5% increments. Timer: Program up to 24 hours for start/stop. Filter Reset: Press after cleaning filter to reset alert.

Connecting Drainage

For continuous operation, use drain hose.

Turn off and unplug unit.
Remove bucket; locate drain port on back.
Insert garden hose (¾” diameter) securely into port.
Route hose to floor drain, sink, or outdoors (ensure downward slope).
Replace bucket; unit will drain automatically.

Tip: Check hose periodically for kinks or blockages.

Operation Modes

Supports multiple operating modes for efficiency.

Auto Mode: Unit cycles on/off to maintain selected humidity level.
Continuous Mode: Runs constantly until turned off or bucket is full.
Timer Mode: Set to turn on/off at specific times (e.g., run overnight).
Defrost Mode: Automatically activates when coil temperature drops; compressor pauses until coil thaws.
Fan-Only Mode: Circulates air without dehumidifying (press FAN button).

WARNING! Do not cover air intake or exhaust grilles during operation.

Maintenance

Regular maintenance ensures optimal performance.

Empty bucket: When full-bucket light illuminates, remove and empty promptly.
Clean filter: Every 2-4 weeks; rinse under warm water, dry completely before reinstalling.
Clean exterior: Wipe with damp cloth; do not use harsh chemicals.
Check drain hose: Ensure clear if using continuous drain.
Off-season storage: Empty bucket, clean filter, coil, and housing; store upright in dry location.

Care & Cleaning

Unplug before cleaning. Use mild detergent and soft cloth; never immerse in water.

CAUTION! Do not use abrasive cleaners or solvents. Keep water away from control panel and electrical components.

Regulatory Information

UL Listed; meets safety standards. Energy Star certified. This product contains refrigerant; dispose of according to local regulations. Copyright © Frigidaire; trademarks of Electrolux Home Products, Inc. For support, visit www.frigidaire.com or contact 1-800-374-4432.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not turning on	No power	Ensure plugged in; check outlet; press POWER button.
Low dehumidification	Dirty filter, low temp	Clean filter; ensure room temp above 41°F; close windows/doors.
Water leakage	Bucket not seated, hose loose	Reinstall bucket; check hose connection; ensure unit is level.
Loud noise	Loose parts, vibration	Check for obstructions; ensure on solid surface; tighten any loose panels.
Full-bucket light on (empty bucket)	Float stuck	Remove bucket, check float moves freely; clean if obstructed.
Display not working	Power issue	Unplug for 1 minute, then restart; if persists, contact service.

Reset: Unplug for 10 minutes to reset electronic controls.

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