Frigidaire FAD251NTB3 Dehumidifier Manual

The Frigidaire FAD251NTB3 is a 25-pint capacity dehumidifier designed for medium-sized rooms up to 500 sq. ft. It features an Energy Star certification, adjustable humidity control, continuous drain option, auto-restart function, full tank alert with auto-shutoff, washable filter, and caster wheels for easy mobility. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Control panel with digital display, water collection bucket, washable air filter, continuous drain hose connection, caster wheels, and carrying handle.

Installation & Placement

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

1. Remove all packaging materials and tape from unit.
2. Ensure unit is upright for at least 24 hours before first use if transported on its side.
3. Place unit in area with proper air circulation, at least 12 inches from walls and furniture.
4. Install casters by pressing into bottom corners until they click into place.
5. For best performance, place in center of room away from heat sources.

WARNING! Do not place in areas with temperature below 41°F (5°C). Ensure proper ventilation around unit.

First-Time Setup

Plug into grounded 115V outlet; follow initial setup steps.

1. Allow unit to stand upright for 24 hours if transported horizontally.
2. Insert water collection bucket securely until it clicks into place.
3. Plug power cord directly into wall outlet (do not use extension cord).
4. Press POWER button to turn unit on.
5. Set desired humidity level using UP/DOWN buttons (recommended: 45-50%).
6. Select fan speed (LOW for quiet operation, HIGH for maximum moisture removal).

CAUTION! Always use grounded outlet. Do not operate with damaged cord or plug.

Specifications

• Model: FAD251NTB3
• Capacity: 25 pints per day (at 80°F/60% RH)
• Coverage: Up to 500 sq. ft.
• Power: 115V, 60Hz, 3.5 Amps
• Water Tank Capacity: 1.6 gallons (6 liters)
• Operating Temperature: 41°F to 95°F (5°C to 35°C)
• Noise Level: 51 dB on low setting
• Dimensions: 15.4" W × 9.8" D × 19.7" H
• Weight: 30.9 lbs
• Refrigerant: R-410A

Controls and Settings

Control Panel Features: POWER button, Humidity SET buttons, FAN speed button, FILTER indicator light, FULL BUCKET indicator.

Digital Display: Shows current room humidity, set humidity level, fan speed indicator, filter alert, and full bucket alert.

Humidity Control: Adjust between 35% and 85% RH in 5% increments. Continuous Mode: Runs continuously regardless of humidity level. Fan Speed: LOW for quiet operation, HIGH for maximum moisture removal. Timer Function: Set 2-24 hour operation timer. Filter Alert: Light indicates when filter needs cleaning (approximately every 250 hours).

Operation Modes

Normal Mode: Unit runs until set humidity level is reached, then cycles on/off. Continuous Mode: Runs continuously regardless of humidity level (for very damp conditions). Laundry Mode: Higher fan speed for drying laundry in enclosed space. Timer Mode: Program unit to run for set period (2-24 hours).

1. Press POWER to turn unit on.
2. Use UP/DOWN buttons to set desired humidity level.
3. Press FAN button to select LOW or HIGH speed.
4. For continuous operation, set humidity to lowest setting (35%).
5. Press TIMER button to set automatic shut-off time.

Tip: For energy savings, set humidity to 45-50%. Use HIGH fan speed only when maximum moisture removal is needed.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

1. Water Bucket: Empty regularly. Clean with mild detergent monthly.
2. Air Filter: Clean every 2-4 weeks or when FILTER light illuminates.
3. Exterior: Wipe with soft, damp cloth. Never use harsh chemicals.
4. Coils: Vacuum condenser coils every 3 months during heavy use.
5. End of Season: Clean thoroughly, empty bucket, and store upright.

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

Drainage Options

Bucket Drainage: Standard method. Empty when FULL light illuminates. Continuous Drainage: Connect 5/8" ID hose to drain port (hose not included).

1. For continuous drain: Remove bucket and attach hose to drain port.
2. Route hose to floor drain, sink, or sump pump.
3. Ensure hose has downward slope without kinks.
4. Unit will operate continuously until manually turned off.

Note: When using continuous drain, bucket should remain in place but will not fill.

Energy Efficiency

Energy Star certified for efficient operation. Energy Saving Tips:

• Close windows and doors in room being dehumidified.
• Set humidity to 45-50% for comfort and efficiency.
• Use LOW fan speed when noise is a concern.
• Clean filter regularly to maintain airflow.
• Use timer function to run only when needed.
• Size appropriately for room (25-pint for up to 500 sq. ft.).

Estimated annual energy cost: $23 (based on national average electricity rates).

Regulatory Information

UL Listed. FCC Part 15 Compliance: Class B digital device. Energy Star Partner. EPA Refrigerant Certification. California Proposition 65 Warning: This product contains chemicals known to cause cancer and reproductive harm. For support, visit www.frigidaire.com or contact 1-800-374-4432. Two-year limited warranty on parts and labor.

Troubleshooting

Reset: Unplug for 10 minutes, then restart. If problems persist, contact service.

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