Frigidaire 66166045 Dehumidifier Manual

The Frigidaire 66166045 is a high-efficiency dehumidifier designed to remove excess moisture from the air in residential spaces. It features adjustable humidity control, continuous drainage capability, automatic restart, washable air filter, and a full tank alert with auto-shutoff. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: Dehumidifier unit, Water tank, Washable filter, Control panel, Power cord, Drain hose adapter.

Feature	Description
Humidity Control	Adjustable from 35% to 80% relative humidity
Water Tank	Removable bucket with full indicator and auto-shutoff
Continuous Drainage	Garden hose connection for permanent drainage
Automatic Restart	Resumes previous settings after power interruption
Washable Filter	Removable air filter for easy cleaning
Control Panel	Digital display with humidity readout and settings
Turbo Mode	Maximum moisture removal for high humidity conditions
Timer Function	Programmable 1-24 hour on/off timer
Auto Defrost	Prevents coil freezing in low temperatures
Power Cord	6-foot grounded power cord

Installation

Unpack and inspect contents. Place on level surface.

Choose location: Place in center of room away from walls/furniture for optimal airflow.
Check clearance: Ensure 12-18 inches clearance on all sides.
Install filter: Remove and wash filter before first use, then reinstall properly.
Position tank: Ensure water tank is fully inserted and seated correctly.
Plug into outlet: Use dedicated 115V, 60Hz grounded outlet.

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

First-Time Setup

Power on dehumidifier; follow initial setup procedure.

Set humidity level: Press HUMIDITY button to select desired setting (45% recommended).
Select mode: Choose between CONTINUOUS, AUTO, or TURBO operation.
Set timer: Program timer if desired using TIMER button.
Check drainage: For continuous use, attach drain hose to outlet port.
Monitor operation: Allow 24 hours to reach optimal performance.

CAUTION! Do not operate in temperatures below 41°F (5°C). Allow unit to acclimate to room temperature before use.

Specifications

Model: Frigidaire 66166045
Capacity: 50 pints per day (at 60% RH, 80°F)
Coverage Area: Up to 1,500 square feet
Power Requirements: 115V, 60Hz, 6.5A
Water Tank Capacity: 1.8 gallons
Noise Level: 51 dB on normal setting
Dimensions: 15.4" W × 11.4" D × 24.3" H
Weight: 41.9 lbs
Refrigerant: R-410A
Operating Temperature: 41°F to 95°F (5°C to 35°C)

Controls and Settings

Control Panel: POWER, MODE, HUMIDITY, TIMER, FILTER RESET, TURBO.

Display Indicators: Current humidity, Set humidity, Timer, Filter alert, Full tank, Defrost mode.

Modes: CONTINUOUS (runs constantly), AUTO (maintains set humidity), TURBO (maximum dehumidification). Humidity Settings: Adjustable in 5% increments from 35% to 80%. Timer: Programmable 1-24 hours for automatic on/off. Filter Reset: Press after cleaning filter to reset alert. Auto Defrost: Activates automatically when coil temperature drops below 41°F.

Connecting Drainage

Continuous drainage option for unattended operation.

Turn off and unplug unit.
Remove water tank from unit.
Locate drain outlet on back of unit.
Insert drain hose adapter (included).
Connect standard garden hose (not included).
Route hose to floor drain, sink, or outside.
Ensure hose has downward slope without kinks.
Replace tank (unit will not operate without tank in place).

Tip: Use hose clamp to secure connection and prevent leaks.

Operation Modes

Three operating modes for different conditions.

AUTO Mode: Unit cycles on/off to maintain set humidity level. Most energy efficient.
CONTINUOUS Mode: Runs constantly regardless of humidity. Use for very damp conditions.
TURBO Mode: Maximum fan speed for fastest moisture removal. Higher noise level.
Timer Operation: Set 1-24 hour delay for automatic start or shutoff.
Defrost Cycle: Automatic when coil freezes; compressor stops, fan continues.

WARNING! Do not block air intake or exhaust. Keep doors/windows closed for best performance.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Daily: Check and empty water tank as needed.
Weekly: Clean air filter with warm water and mild detergent.
Monthly: Clean exterior with soft, damp cloth.
Seasonally: Clean condenser coils with soft brush.
Annually: Check drain hose for clogs or damage.

Filter Reset: After cleaning filter, press FILTER RESET button to clear alert.

Care & Cleaning

Unplug before cleaning. Use mild detergent and soft cloth only.

Exterior: Wipe with damp cloth. Do not use abrasive cleaners.
Air Filter: Remove, wash with warm soapy water, rinse thoroughly, air dry completely.
Water Tank: Empty and clean with mild detergent monthly.
Condenser Coils: Gently brush to remove dust and debris.
Grilles: Vacuum with soft brush attachment.

CAUTION! Never immerse unit in water. Do not use chemical cleaners on plastic parts.

Regulatory Information

UL Listed: Meets UL standard 474. Energy Star: Certified for energy efficiency. EPA: Compliant with refrigerant regulations. Copyright © Frigidaire; trademarks of Electrolux Home Products, Inc. For support, visit www.frigidaire.com or contact 1-800-374-4432. Manufactured for residential use only.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not running	Power/tank full	Check power connection; empty water tank; ensure tank properly seated.
Poor dehumidification	Filter/temperature	Clean air filter; ensure room temperature above 41°F; check for air blockage.
Water leakage	Tank/drain hose	Ensure tank properly positioned; check drain hose connection; clear hose blockage.
Loud noise	Vibration/obstruction	Place on level surface; check for objects touching fan; clean condenser coils.
Display not working	Power/reset	Check outlet; unplug for 10 minutes then restart; contact service if persists.
Ice on coils	Low temperature	Auto defrost should activate; move to warmer area; ensure adequate airflow.

Reset: Unplug for 10 minutes to reset electronic controls.

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