Frigidaire FAD504DUD16 Dehumidifier Manual

The Frigidaire FAD504DUD16 is a 50-pint dehumidifier designed for medium to large rooms, featuring electronic controls with humidistat, continuous drain option, auto restart, washable filter, and low-temperature operation capability. It helps control moisture levels to reduce allergens and protect your home from mold and mildew. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: Electronic control panel with digital display, 50-pint moisture removal capacity, built-in humidistat, continuous drain hose connection, washable air filter, auto defrost, and caster wheels for mobility.

Feature	Description
Electronic Controls	Digital display with touchpad for easy operation
50-Pint Capacity	Removes up to 50 pints of moisture per day (at 80°F, 60% RH)
Built-in Humidistat	Automatically maintains desired humidity level
Continuous Drain Option	Hose connection for unattended operation
Washable Filter	Removable and washable air filter
Auto Restart	Resumes previous settings after power interruption
Low-Temperature Operation	Auto defrost function allows operation down to 41°F
Caster Wheels	Four wheels for easy room-to-room mobility
Full Bucket Alert	Indicator light and auto shut-off when bucket is full
24-Hour Timer	Programmable on/off timer

Installation & Placement

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

Remove all packaging materials and tape.
Position unit: Place on level floor with at least 12-18 inches clearance on all sides for proper airflow.
Check filter: Ensure washable filter is properly installed.
Install drain hose (optional): Attach to continuous drain port if using hose drainage.
Plug into grounded 115V AC outlet.

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

First-Time Setup

Plug in unit; control panel will illuminate.

Set humidity level: Press HUMIDITY button to set desired level (35%-85% RH).
Select fan speed: Choose between HIGH and LOW fan settings.
Set timer (optional): Use TIMER button to program automatic on/off cycles.
Check bucket: Ensure collection bucket is properly seated and empty.
Begin operation: Press POWER button to start dehumidification.

CAUTION! Always handle unit with care when moving. Use both hands and proper lifting technique.

Specifications

Model: FAD504DUD16
Moisture Removal: 50 pints per day (at 80°F, 60% RH)
Coverage Area: Up to 1,500 square feet
Humidity Control: 35% to 85% RH adjustable
Water Tank Capacity: 16-pint removable bucket
Power Requirements: 115V, 60Hz, 6.5A
Operating Temperature: 41°F to 95°F
Noise Level: 51 dB on low setting
Dimensions: 15.4" W × 11.4" D × 24.3" H
Weight: 41.9 lbs
Refrigerant: R-410A

Controls and Settings

Control Panel: POWER button, HUMIDITY adjustment, FAN speed (HIGH/LOW), TIMER settings, FILTER indicator, BUCKET FULL indicator.

Operation: Press POWER to turn on/off. Use HUMIDITY buttons to set desired moisture level (35%-85%). Select fan speed for quieter operation (LOW) or faster dehumidification (HIGH). Set 24-hour timer for automatic operation.

Indicators: FILTER light illuminates when filter needs cleaning. BUCKET FULL light and audible alert when bucket needs emptying. AUTO DEFROST activates automatically in low temperatures.

Operation Modes

Normal Mode: Set desired humidity level; unit runs until level is reached. Continuous Mode: Set humidity to lowest setting (35%) for maximum moisture removal. Timer Mode: Program on/off cycles for energy savings.

For normal use: Set humidity to 45-50% for comfort.
For wet conditions: Set to 35% for maximum drying.
For energy savings: Use timer to run during peak humidity hours only.
For low temperatures: Unit will auto defrost as needed.

Tip: Close windows and doors in room being dehumidified for best results.

Maintenance & Cleaning

Unplug unit before cleaning. Regular maintenance ensures optimal performance.

Empty bucket: Remove and empty collection bucket regularly.
Clean filter: Remove and wash filter every 2-4 weeks with warm water.
Clean exterior: Wipe with soft, damp cloth; do not use harsh chemicals.
Clean coils: Use soft brush to remove dust from rear coils annually.
Store properly: If storing, clean thoroughly and store in dry location.

WARNING! Never operate without filter installed. Do not use water above 104°F to clean filter.

Drainage Options

Bucket Drainage: Standard method; empty when BUCKET FULL light illuminates. Continuous Drainage: Attach 5/8" ID hose to drain port for unattended operation.

For bucket use: Ensure bucket is properly seated before operation.
For hose drainage: Connect hose to drain port, route to floor drain or sink.
For gravity drainage: Ensure hose runs downward without kinks or loops.

Note: When using continuous drain, bucket full indicator will not activate.

Safety Features

Auto Shut-off: Stops operation when bucket is full or improperly seated. Tip-over Switch: Turns unit off if tipped over. Auto Defrost: Prevents coil freezing in low temperatures. Overload Protection: Protects compressor from electrical issues.

Regulatory Information

UL Listed: Meets UL standard 474. Energy Star Certified: Meets EPA energy efficiency guidelines. FCC Part 15: Class B digital device; complies with interference limits. 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 starting	Power issue/bucket full	Check power connection; ensure bucket is empty and properly seated.
Little moisture removal	Room conditions/filter	Check room temperature (above 41°F); clean filter; close windows/doors.
Unit running constantly	Humidity setting/low temp	Adjust humidity setting higher; check if room is very damp or cold.
Water leaking	Bucket/hose connection	Ensure bucket is properly seated; check hose connections for continuous drain.
Loud noise	Uneven surface/fan	Place on level surface; check for objects near fan; clean filter.
Filter light on	Dirty filter	Clean washable filter with warm water; let dry completely before reinstalling.
Ice on coils	Low temperature	Auto defrost should activate; if persistent, raise room temperature above 41°F.

Reset: Unplug unit for 5 minutes, then restart.

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