Frigidaire LAD504TDL Dehumidifier Manual

The Frigidaire LAD504TDL is a 50-pint dehumidifier designed for residential use, featuring an Energy Star rating, adjustable humidity control, continuous drainage option, automatic shut-off, washable filter, and digital display with humidity readout. 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: Digital control panel, Water tank with handle and full indicator, Continuous drain port, Washable air filter, Casters for mobility.

FeatureDescription
Digital Control PanelAdjust humidity level, set timer, view current humidity
50-Pint CapacityRemoves up to 50 pints per day at 60°F/60% RH
Energy Star CertifiedEnergy efficient operation
Continuous Drain OptionGarden hose connection for automatic drainage
Automatic Shut-OffTurns off when tank is full or desired humidity reached
Washable FilterRemovable filter for easy cleaning
24-Hour TimerProgram on/off cycles
Auto RestartResumes previous settings after power interruption
Low Temperature OperationWorks down to 41°F (5°C)
Water Tank Full IndicatorLED light alerts when tank needs emptying

Installation

Unpack and inspect contents. Place on level surface.

  1. Remove packaging materials and tape from unit.
  2. Place dehumidifier on level floor with at least 12 inches clearance on all sides.
  3. Install casters if not pre-installed (snap into base).
  4. Allow unit to stand upright for 24 hours if transported on its side.
  5. Plug into grounded 115V AC outlet.

WARNING! Do not use extension cords. Ensure proper ventilation around unit.

First-Time Setup

Power on dehumidifier; configure initial settings.

  1. Select location: Choose area with high humidity (basement, laundry room).
  2. Set humidity level: Press HUMIDITY button to select desired level (35%-85%).
  3. Choose mode: Select CONTINUOUS or AUTO mode based on needs.
  4. Set timer (optional): Program on/off times using TIMER button.
  5. Check filter: Ensure filter is clean before first use.

CAUTION! Do not operate in temperatures below 41°F (5°C). Keep away from children.

Specifications

Controls and Settings

Control Panel: POWER, HUMIDITY SET, FAN SPEED (HIGH/LOW), MODE, TIMER, FILTER RESET.

Display Indicators: Current humidity, Set humidity, Tank full, Filter clean, Timer.

Humidity Control: Adjust between 35%-85% in 5% increments. Fan Speed: HIGH for maximum dehumidification, LOW for quiet operation. Modes: CONTINUOUS (runs constantly), AUTO (cycles based on humidity). Timer: 1-24 hours for automatic on/off. Filter Reset: Press after cleaning filter.

Connecting Drainage

Continuous Drain Option: Connect garden hose to drain port.

  1. Turn off and unplug unit.
  2. Remove drain plug from back of unit.
  3. Connect standard 5/8" garden hose (not included).
  4. Route hose to floor drain or suitable drainage area.
  5. Ensure hose has downward slope without kinks.
  6. Plug unit back in and operate normally.

Tip: For gravity drainage, place unit higher than drain point. Empty tank manually if not using continuous drain.

Operation Modes

Supports multiple operating modes for different needs.

  1. AUTO Mode: Unit cycles on/off to maintain set humidity level.
  2. CONTINUOUS Mode: Runs continuously regardless of humidity level.
  3. Timer Operation: Set 1-24 hour delay for automatic start/stop.
  4. Fan Only: Circulates air without dehumidifying (on some models).
  5. Defrost Cycle: Automatically activates in low temperatures.

WARNING! Do not block air intake or exhaust. Empty tank promptly when full indicator lights.

Maintenance

Regular maintenance ensures optimal performance.

  1. Clean filter every 2 weeks: Remove, wash with warm water, dry completely.
  2. Empty water tank: When full indicator lights or as needed.
  3. Clean exterior: Wipe with damp cloth, then dry.
  4. Clean coils: Use soft brush to remove dust annually.
  5. Check drain hose: Ensure clear of obstructions if using continuous drain.
  6. Off-season storage: Empty tank, clean unit, store upright in dry place.

Care & Cleaning

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

CAUTION! Do not immerse in water. Do not use harsh chemicals or abrasives. Never operate without filter installed.

Regulatory Information

UL Listed. Energy Star Partner. EPA Refrigerant Certification. This product contains R410A refrigerant. For proper disposal, consult local regulations. Copyright © Frigidaire. For support, visit www.frigidaire.com or contact 1-800-374-4432.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not runningNo power, full tank, timer setCheck plug, outlet, circuit breaker; empty tank; check timer settings
Little/no water collectionLow humidity, cold room, dirty filterCheck room humidity; ensure room above 41°F; clean filter
Water leakingTank not seated, drain hose issueEnsure tank properly inserted; check hose connections
Loud noiseUneven surface, loose partsPlace on level surface; check for loose components
Display not workingPower issueCheck power connection; reset unit by unplugging for 5 minutes
Ice on coilsLow temperature operationUnit will auto-defrost; move to warmer area if persistent
Filter light onDirty filterClean filter, press FILTER RESET button

Reset: Unplug for 5 minutes to reset electronic controls.

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

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