Honeywell 848987003108 Dehumidifier Manual

The Honeywell 848987003108 is a portable dehumidifier designed to remove excess moisture from the air in rooms up to a specified size. It features adjustable humidity control, automatic shut-off when the tank is full, a continuous drainage option, a washable air filter, and a 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 & Placement 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Operation Modes 7. Maintenance & Cleaning 8. Storage & Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Digital control panel, Removable water tank, Washable air filter, Casters for mobility, Continuous drainage port, Handle for transport.

FeatureDescription
Digital Humidity DisplayShows current room humidity and set target
Adjustable HumidistatSet desired humidity level from 35% to 85%
Auto Shut-OffUnit stops when water tank is full
Continuous DrainageOption to connect a hose for automatic water removal
Washable Air FilterCaptures dust and particles; can be cleaned
Full Tank IndicatorLED light alerts when tank needs emptying
24-Hour TimerProgram on/off cycles
Turbo ModeMaximum moisture removal speed
Portable DesignCasters and handle for easy room-to-room movement
Power Cord StorageCompartment to wrap excess cord

Installation & Placement

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

  1. Choose Location: Place in the center of the room or area with high moisture, away from walls and furniture for proper airflow.
  2. Check Clearance: Ensure at least 12 inches of clearance on all sides, especially the air intake and exhaust.
  3. Level Surface: Unit must be level for the internal bucket sensor to work correctly.
  4. Connect to Drain (Optional): Attach a standard garden hose (not included) to the continuous drain port if desired.
  5. Plug into a grounded 120V AC outlet.

WARNING! Do not use in temperatures below 41°F (5°C). Ensure the power cord is not pinched or damaged.

First-Time Setup

Power on the dehumidifier; the digital display will illuminate.

  1. Initial Run: Allow the unit to run for 24 hours in the desired room to assess moisture levels.
  2. Set Humidity Level: Press the HUMIDITY button to set your desired target (recommended 45-50% for comfort).
  3. Select Fan Speed: Choose between LOW (quiet) and HIGH/TURBO (fast dehumidification).
  4. Set Timer (Optional): Use the TIMER button to program automatic start/stop times.
  5. Check Filter: Ensure the washable air filter is installed correctly.

CAUTION! Always handle the water tank with care to avoid spills. Empty tank before moving the unit.

Specifications

Controls and Settings

Access all functions via the digital control panel. Front Panel: POWER, HUMIDITY UP/DOWN, FAN SPEED, TIMER, TURBO, FILTER RESET.

Display Icons: Power, Tank Full, Target Humidity, Current Humidity, Fan Speed, Timer, Turbo Mode, Filter Alert.

Humidity Setting: Adjust in 5% increments. Fan Speed: LOW for quiet operation, HIGH for maximum moisture removal. Timer: Set in 1-hour increments up to 24 hours. Turbo Mode: Activates maximum compressor and fan speed. Filter Reset: Press and hold for 3 seconds after cleaning the filter to reset the alert.

Operation Modes

Normal, Continuous, and Turbo modes for different needs.

  1. Normal (Auto): Unit runs until target humidity is reached, then cycles on/off to maintain it.
  2. Continuous: Unit runs non-stop regardless of humidity level (use for very damp areas).
  3. Turbo: Fan and compressor run at maximum speed for fastest dehumidification.
  4. Timer Mode: Program the unit to turn on or off after a set number of hours.

Tip: Close windows and doors in the room for most efficient operation.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Empty Water Tank: When FULL indicator lights, turn unit off, pull tank out carefully, empty, and reinsert securely.
  2. Clean Air Filter: Every 2-4 weeks, remove filter, rinse with lukewarm water, let dry completely before reinstalling.
  3. Clean Exterior: Unplug unit. Wipe cabinet with a soft, damp cloth. Do not use harsh chemicals.
  4. Clean Water Tank: Periodically wash tank with mild soap and water to prevent mold/mildew.
  5. End-of-Season Care: For storage, run unit in FAN ONLY mode for a few hours to dry internal components.

WARNING! Always unplug the dehumidifier before performing any maintenance. Never immerse the unit in water.

Storage & Care

If not using for an extended period, prepare the unit for storage.

  1. Unplug the power cord.
  2. Empty and thoroughly dry the water tank.
  3. Clean the air filter and let it dry.
  4. Wrap the power cord and secure it in the storage area.
  5. Store the unit upright in a cool, dry place. Cover with a cloth to prevent dust.

CAUTION! Do not store the unit in a location where temperatures may fall below freezing.

Regulatory Information

This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. Copyright © Honeywell International Inc. Honeywell and the Honeywell Home logo are trademarks of Honeywell International Inc. For support, visit www.honeywellhome.com or contact customer service at 1-800-XXX-XXXX.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit does not startNo power / Full tankEnsure unit is plugged in; check outlet; empty water tank and reinstall securely.
Not removing moistureRoom too cold / Filter dirtyUse only above 41°F (5°C); clean the air filter; check that doors/windows are closed.
Water leakingTank not seated / Drain hose issueEnsure tank is pushed in completely; check drain hose connection for kinks or leaks.
Loud or unusual noiseUneven surface / Loose partsPlace unit on a level floor; ensure internal components (tank, filter) are properly installed.
Display not workingPower issueUnplug for 60 seconds, then plug back in. If problem persists, contact service.
FILTER light is onDirty air filterClean the washable air filter as per instructions and reset the filter indicator.

Reset: Unplug the unit for 5 minutes to reset the electronic controls.

Service: For issues not resolved above, contact Honeywell Customer Service at 1-800-XXX-XXXX or visit www.honeywellhome.com.

Honeywell 848987003108 Dehumidifier Manual © - All Rights Reserved 2025