Frigidaire FAD251NUD11 Dehumidifier Manual

The Frigidaire FAD251NUD11 is a 25-pint capacity dehumidifier designed for medium-sized rooms up to 1500 sq. ft. It features automatic humidity control, a continuous drain option, a washable air filter, a full tank alert with auto-shutoff, and energy-efficient operation. 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. Operating Instructions 7. Maintenance & Cleaning 8. Storage Instructions 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Control Panel, Water Tank, Air Filter, Continuous Drain Hose Connection, Casters for mobility.

Feature	Description
Humidity Control	Automatic digital humidistat with adjustable settings
Water Tank	Removable 1.8-gallon bucket with handle and full indicator
Continuous Drain	Hose connection for unattended operation
Air Filter	Washable mesh filter for improved air quality
Auto Shutoff	Automatically turns off when tank is full
Control Panel	Electronic controls with LED display
POWER	Turns dehumidifier on/off
FAN SPEED	Selectable high or low fan speed
HUMIDITY SET	Adjusts desired humidity level (35% - 85%)
FILTER ALERT	Indicator light for filter cleaning reminder

Installation & Placement

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

Clearance: Ensure at least 12 inches of clearance on all sides for proper airflow.
Room Size: Use in enclosed areas up to 1500 sq. ft. for optimal performance.
Temperature Range: Operate between 41°F (5°C) and 95°F (35°C).
Power Source: Plug into a dedicated 115V AC, 60Hz outlet. Do not use an extension cord.

WARNING! Do not place near heat sources or in direct sunlight. Ensure the unit is upright for at least 24 hours before first use if transported on its side.

First-Time Setup

Position the dehumidifier and prepare for operation.

Install the Water Tank: Slide the empty bucket into the unit until it clicks into place.
Continuous Drain (Optional): Attach a standard garden hose (not included) to the drain port at the back.
Power On: Plug into outlet. The control panel will illuminate.
Initial Settings: Press POWER. Set desired humidity level using the HUMIDITY SET buttons. Select fan speed.

CAUTION! Always handle the unit with dry hands. Do not operate with a damaged cord or plug.

Specifications

Model: FAD251NUD11
Capacity: 25 pints per day (at 60°F, 60% RH)
Room Size: Up to 1500 sq. ft.
Water Tank: 1.8 gallons (removable)
Humidity Control: 35% to 85% RH (adjustable)
Fan Speeds: 2 (High/Low)
Power Source: 115V AC, 60Hz
Amps: 2.8A
Refrigerant: R-410A
Dimensions (HxWxD): Approx. 15.4" x 11.4" x 19.7"
Weight: 30.9 lbs

Controls and Settings

Access all functions via the electronic control panel on top of the unit.

Control Panel: POWER Button, HUMIDITY SET (+/-) Buttons, FAN SPEED Button, FILTER ALERT Light, TANK FULL Light.

Display: Shows current room humidity and set humidity level.

Operation Modes: Auto Mode (maintains set humidity), Continuous Mode (runs constantly until tank is full).

Settings: Adjust humidity set point in 5% increments. Choose High fan for maximum moisture removal or Low for quieter operation.

Operating Instructions

For normal daily use to control room humidity.

Power On: Press POWER. The display will show current room humidity.
Set Humidity: Press HUMIDITY +/- to select desired level (e.g., 45%-50%). The compressor will cycle to maintain this level.
Select Fan Speed: Press FAN SPEED to toggle between High and Low.
Emptying the Tank: When the TANK FULL light illuminates and unit shuts off, unplug, remove bucket, empty, and replace.
Continuous Drain: For unattended use, connect a hose to the drain port. Ensure hose runs downhill to a floor drain.

Tip: For best efficiency, keep doors and windows closed in the room being dehumidified.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Clean Air Filter: Every 2-4 weeks, or when FILTER ALIGHT light is on. Remove filter, rinse with warm water, let dry completely, and reinstall.
Clean Water Tank: Periodically clean with mild detergent and water to prevent mold/mildew. Rinse thoroughly.
Exterior Cleaning: Wipe cabinet with a soft, damp cloth. Do not use harsh chemicals or abrasives.
End-of-Season Cleaning: Follow storage instructions below.

WARNING! Always unplug the unit before performing any maintenance. Do not immerse in water.

Storage Instructions

Proper storage is required if the unit will not be used for an extended period.

Unplug the unit and empty the water tank completely.
Clean the tank and air filter as described above. Ensure all parts are completely dry.
Coil the power cord neatly.
Store the unit upright in a cool, dry place. Cover to prevent dust accumulation.

CAUTION! Do not store on its side or in areas with extreme temperatures.

Regulatory Information

This appliance complies with FCC Part 15 Subpart B. Operation is subject to the condition that this device does not cause harmful interference. Copyright © Frigidaire. Frigidaire and its logo are trademarks of AB Electrolux. For support, visit www.frigidaire.com or contact customer service at 1-800-374-4432.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit does not start	No power, full tank	Ensure plug is secure; outlet has power. Empty water tank.
Little or no water collection	Low humidity, cold room, dirty filter	Check room humidity level. Ensure room temp is above 41°F. Clean air filter.
Unit runs but room feels damp	Room too large, doors/windows open	Ensure unit capacity matches room size. Keep doors and windows closed.
Loud or unusual noise	Unit not level, loose parts	Place on level floor. Ensure water tank is properly seated.
FILTER light is on	Air filter needs cleaning	Clean the washable air filter as per instructions.
Error Code on Display	Sensor or system fault	Unplug for 60 seconds, then restart. If code persists, contact service.

Reset: Unplug unit for 60 seconds to reset electronic controls.

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