Frigidaire FAD251NTB2 Dehumidifier Manual

The Frigidaire FAD251NTB2 is a 25-pint capacity dehumidifier designed for medium-sized rooms up to 1500 sq. ft. It features an Energy Star certification, automatic humidity control with digital readout, continuous drain option, washable filter, auto-restart after power interruption, and a 24-hour timer. 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 humidity display and controls, water collection bucket with full-bucket alert, washable air filter, continuous drain hose connection, casters for mobility, and auto-defrost function.

FeatureDescription
Capacity25 pints per day (at 80°F, 60% RH)
Coverage AreaUp to 1500 square feet
Humidity ControlDigital setpoint from 35% to 85% RH
Bucket Full IndicatorLight alerts when bucket needs emptying
Continuous DrainHose connection for unattended operation
Air FilterWashable, removable filter
Auto RestartResumes previous settings after power loss
24-Hour TimerProgram on/off cycles
Auto DefrostPrevents coil freezing in low temperatures
Power Cord6-foot length with storage wrap

Installation & Placement

Unpack and inspect contents. Ensure all packaging materials are removed.

  1. Choose location: Place on level floor in area with moisture problem, at least 12 inches from walls.
  2. Check airflow: Ensure air intake and exhaust grilles are unobstructed.
  3. Set up drainage: For bucket use, ensure bucket is correctly inserted. For continuous drain, attach hose to drain port and route to floor drain or sink.
  4. Plug into dedicated 120V AC outlet.

WARNING! Do not use 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.

  1. Set humidity level: Press HUMIDITY SET button, use arrows to select desired RH (recommended 45-50%).
  2. Select fan speed: Press FAN button to choose HIGH or LOW speed.
  3. Set timer (optional): Press TIMER button to program automatic shut-off or start-up.
  4. Monitor operation: Current room humidity displays on screen; compressor will cycle to maintain setpoint.

CAUTION! Handle water bucket carefully to avoid spills. Empty bucket before it overflows.

Specifications

Controls and Settings

Control Panel: POWER button, HUMIDITY SET, FAN speed (HIGH/LOW), TIMER (1-24 hours), BUCKET FULL indicator light, FILTER CHECK indicator.

Display: Shows current room humidity, set humidity, timer status, and alert icons.

Humidity Control: Set between 35% and 85% RH. Fan Control: HIGH for maximum moisture removal, LOW for quiet operation. Timer: Set to turn unit ON or OFF after selected hours. Continuous Drain: Connect 5/8" inner diameter hose (not included) to drain port; unit will run continuously until turned off or desired humidity is reached.

Operation Modes

Normal Mode: Unit runs until set humidity is reached, then fan continues with compressor off. Continuous Mode: Set humidity to lowest setting (35%) for constant dehumidification. Timer Mode: Program unit to shut off after set hours (e.g., overnight).

  1. For maximum efficiency, keep doors and windows closed.
  2. In very humid conditions, use HIGH fan speed.
  3. If "CF" code appears, coil temperature is low; auto-defrost will activate.

Tip: Use continuous drain for basements or long unattended periods.

Maintenance & Cleaning

Unplug unit before any maintenance.

  1. Empty bucket: Remove, pour out water, reinsert securely until click.
  2. Clean filter: Remove every 2 weeks, rinse with warm water, air dry completely before reinstalling.
  3. Clean exterior: Wipe with soft, damp cloth; do not use harsh chemicals.
  4. Clean bucket: Periodically wash with mild detergent to prevent mold/mildew.
  5. End-of-season: Follow storage instructions if not using for extended period.

WARNING! Do not operate without filter. Do not immerse unit in water.

Storage Instructions

If storing unit for more than 2 weeks:

  1. Unplug and empty bucket completely.
  2. Clean filter and bucket; ensure all parts are dry.
  3. Wrap power cord around cord hooks.
  4. Store upright in cool, dry place.
  5. Cover unit to prevent dust accumulation.

CAUTION! Store in area where temperature will not fall below freezing.

Regulatory Information

This appliance meets applicable FCC standards. For indoor residential use only. Manufactured for Electrolux Home Products, Inc. This product contains refrigerant R410A. For disposal, consult local regulations. For support, visit www.frigidaire.com or contact 1-800-374-4432.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not turning onNo powerEnsure plug is secure; check outlet; ensure bucket is properly inserted.
Little or no water collectionLow humidity, cold room, dirty filterCheck room humidity; ensure room temp >41°F; clean filter.
Bucket full light on (bucket not full)Bucket misaligned, float stuckRemove and reinsert bucket; check for obstruction in float mechanism.
Loud or unusual noiseLoose parts, debris in fanEnsure unit is level; check for objects near intake; contact service if internal noise.
"CF" code displayedLow coil temperatureAuto-defrost active; normal in cool conditions. If persistent, room may be too cold.
Filter check light onDirty filterClean filter as per instructions.

Reset: Unplug for 10 minutes, then restart.

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

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