Frigidaire FAD504DUD Dehumidifier Manual

The Frigidaire FAD504DUD is a 50-pint capacity dehumidifier designed for medium to large rooms, featuring an Energy Star rating, digital humidity readout, automatic humidistat control, continuous drain option, washable filter, auto-restart after power interruption, and low-temperature operation capability. 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. Storage Instructions 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Digital control panel with humidistat, 50-pint water tank with full-tank indicator, washable air filter, continuous drain hose connection, caster wheels for mobility, and auto-defrost function.

Feature	Description
Capacity	50 pints per day (at 60°F, 60% RH)
Digital Humidistat	Set desired humidity level (35% - 85%)
Water Tank	Removable 50-pint bucket with handle and full-tank alert
Continuous Drain	Hose connection for unattended operation
Air Filter	Washable mesh filter for improved air quality
Auto Restart	Resumes previous settings after power outage
Low Temp Operation	Auto-defrost function for cooler environments
Energy Star Rated	Energy efficient operation
Control Lock	Prevents accidental setting changes
Timer Function	24-hour 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 5/8" ID hose to continuous drain port for permanent 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; follow initial setup procedure.

Power on: Press POWER button on control panel.
Set humidity level: Use UP/DOWN buttons to set desired humidity (45-50% recommended for home use).
Select fan speed: Choose between HIGH or LOW fan setting.
Check water tank: Ensure empty tank is properly seated.
Test operation: Allow unit to run for 15 minutes to verify proper cooling and dehumidification.

CAUTION! Handle water tank carefully when full (up to 50 lbs). Empty before moving unit.

Specifications

Model: FAD504DUD
Capacity: 50 pints per day (at 60°F, 60% RH)
Coverage Area: Up to 1500 sq. ft.
Power Requirements: 115V, 60Hz, 4.5A
Water Tank Capacity: 50 pints (removable)
Operating Temperature: 41°F to 95°F
Fan Speeds: 2 (High/Low)
Noise Level: ≤ 51 dB on low setting
Dimensions: 15.4" W × 11.0" D × 19.7" H
Weight: 40.8 lbs
Refrigerant: R410a

Controls and Settings

Digital control panel features: POWER, HUMIDITY SET, FAN SPEED, TIMER, FILTER RESET, CONTROL LOCK.

Display Indicators: Current humidity, set humidity, fan speed, filter alert, full tank, defrost mode.

Humidity Control: Set between 35% - 85% RH. Fan Speed: HIGH for maximum moisture removal, LOW for quiet operation. Timer: Program 24-hour on/off schedule. Filter Reset: Press after cleaning filter. Control Lock: Hold for 3 seconds to lock/unlock controls.

Operation Modes

Normal Mode: Unit runs until set humidity is reached, then cycles on/off. Continuous Mode: Runs continuously regardless of humidity level. Laundry Mode: Maximum dehumidification for drying clothes. Auto Mode: Automatically adjusts fan speed based on humidity level.

Select mode using MODE button.
Set desired humidity level.
Choose fan speed preference.
Monitor water tank or connect drain hose.

Tip: Use continuous drain option for basement or unattended operation.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Clean filter every 2 weeks: Remove, wash with warm water, dry completely, reinstall.
Empty water tank: When FULL indicator lights, turn off unit, remove tank, empty, replace.
Clean exterior: Wipe with damp cloth, then dry. Do not use harsh chemicals.
Clean water tank: Monthly, wash with mild detergent, rinse thoroughly.
Check drain hose: Ensure continuous drain hose is clear of obstructions.

WARNING! Unplug unit before any maintenance. Never immerse unit in water.

Storage Instructions

Proper storage prevents damage during off-season.

Clean unit thoroughly following maintenance instructions.
Empty and dry water tank completely.
Run unit in FAN ONLY mode for 30 minutes to dry internal components.
Coil power cord and secure with twist tie.
Store in upright position in dry, protected area.
Cover with breathable cloth to prevent dust accumulation.

CAUTION! Do not store with water in tank. Store in temperature-controlled environment.

Regulatory Information

UL Listed: Meets safety standards. Energy Star Certified: Exceeds energy efficiency guidelines. EPA Refrigerant Compliance: Uses R410a refrigerant. For technical support, visit www.frigidaire.com or contact 1-800-374-4432. This product contains chemicals known to cause cancer and birth defects or other reproductive harm (California Proposition 65).

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not running	Power issue/full tank	Check power connection; empty water tank; ensure filter is clean.
Poor dehumidification	Room too cold/dirty filter	Ensure room temp above 41°F; clean filter; check for air leaks.
Water leaking	Tank not seated/hose issue	Ensure tank properly positioned; check drain hose connection.
Loud noise	Uneven surface/fan issue	Place on level surface; check for obstructions in fan area.
Display not working	Power surge/control issue	Unplug for 10 minutes, then restart; check circuit breaker.
Ice on coils	Low temperature	Auto-defrost should activate; move to warmer area if persistent.

Reset: Unplug for 10 minutes to reset control board.

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