Honeywell 848987003962 Dehumidifier Manual

The Honeywell 848987003962 is a high-capacity dehumidifier designed to remove excess moisture from the air, protecting your home from mold, mildew, and dampness. It features adjustable humidity control, automatic shut-off, continuous drainage option, 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 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Drainage 7. Operating Modes 8. Maintenance & Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Digital control panel, Water tank with full indicator, Continuous drain hose port, Washable air filter, Carrying handles, Casters for mobility.

Feature	Description
Digital Humidity Display	Shows current room humidity and set target
Adjustable Humidistat	Set desired humidity level from 35% to 85%
Auto Shut-Off	Turns off when tank is full or desired humidity is reached
Continuous Drain Option	Connect hose for unattended operation
Washable Air Filter	Captures airborne particles; can be cleaned
24-Hour Timer	Program start/stop times
Turbo Mode	Maximum moisture removal for high humidity
Water Tank Full Indicator	LED light alerts when tank needs emptying
Portable Design	Built-in handles and casters for easy movement
Auto Defrost	Protects unit in low-temperature conditions

Installation

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

Position the unit: Allow at least 12 inches of clearance on all sides for proper airflow.
Install air filter: Ensure washable filter is securely in place before operation.
Check power requirements: Use a dedicated 120V AC outlet; avoid extension cords.
For continuous drainage: Attach hose to drain port and route to floor drain or sink.

WARNING! Do not operate in temperatures below 41°F (5°C). Ensure unit is upright for at least 2 hours before first use if tilted during transport.

First-Time Setup

Plug into power outlet; unit will beep and display will light up.

Set humidity level: Press HUMIDITY button to select desired setting (recommended 45-50%).
Select mode: Choose between Continuous, Auto, or Turbo mode based on needs.
Set timer (optional): Use TIMER button to program operation schedule.
Check filter: Ensure filter is clean and properly installed.

CAUTION! Place unit away from walls and furniture to ensure adequate air intake and exhaust.

Specifications

Model: Honeywell 848987003962
Dehumidification Capacity: Up to 50 pints per day (at 60% RH, 80°F)
Operating Range: 41°F to 95°F (5°C to 35°C)
Humidity Control: Adjustable from 35% to 85% relative humidity
Water Tank Capacity: 1.6 gallons (6 liters) with full indicator
Air Flow: High efficiency fan with adjustable speed
Power Source: 120V AC, 60Hz, 4.5 Amps
Noise Level: ≤ 51 dB on normal setting
Dimensions: 15.4" W × 11" D × 24.3" H
Weight: 40.8 lbs

Controls and Settings

Access all functions via digital control panel. Front Panel: POWER, MODE, HUMIDITY, TIMER, FAN SPEED, FILTER RESET.

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

Mode Selection: CONTINUOUS (runs until turned off), AUTO (maintains set humidity), TURBO (maximum dehumidification). Fan Speed: HIGH for faster moisture removal, LOW for quiet operation. Timer: Set 1-24 hours for automatic start/stop. Filter Reset: Press after cleaning filter to reset alert.

Connecting Drainage

Continuous drainage option for unattended operation.

Turn off and unplug unit before connecting hose.
Remove drain cap from back of unit.
Attach standard 5/8" inner diameter garden hose (not included).
Route hose to floor drain, sink, or sump pump (downward slope required).
Plug unit back in; it will now drain continuously (tank can remain in place).

Tip: Ensure hose is not kinked and has proper downward slope for gravity drainage.

Operating Modes

Three main operating modes for different conditions.

Auto Mode: Unit cycles on/off automatically to maintain set humidity level.
Continuous Mode: Runs continuously regardless of humidity (use for very damp areas).
Turbo Mode: Maximum fan speed and dehumidification for rapid moisture removal.
Timer Operation: Set to run for specific periods (1-24 hours).
Auto Defrost: Automatically activates when coil temperature drops below 41°F.

WARNING! Do not operate in enclosed spaces without proper ventilation. Empty tank regularly or use continuous drainage.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Empty water tank: When full indicator lights, turn off, remove tank, empty, and replace.
Clean air filter: Remove every 2 weeks, wash with mild detergent, dry completely before reinstalling.
Clean exterior: Wipe with damp cloth; never use harsh chemicals or abrasives.
Clean water tank: Monthly, wash with mild soap, rinse thoroughly.
End-of-season storage: Empty tank, clean filter, let unit dry completely, store upright in cool, dry place.

CAUTION! Always unplug unit before cleaning or maintenance. Do not immerse in water.

Regulatory Information

UL Listed: Meets UL 474 safety standards for dehumidifiers. Energy Star: May qualify for Energy Star certification (check local requirements). Copyright © Honeywell International Inc. For support, visit www.honeywellhome.com or contact 1-800-474-2147. This product is covered by a limited warranty; see warranty card for details.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not turning on	No power	Check outlet; ensure plug is fully inserted; test outlet with another device.
Not removing moisture	Filter clogged/incorrect settings	Clean filter; ensure humidity setting is below current room humidity.
Water tank full light on	Tank full or not seated	Empty tank; ensure tank is properly positioned and clicked into place.
Unit freezing up	Low room temperature	Move to warmer area; auto defrost should activate within 30 minutes.
Loud noise or vibration	Uneven surface/fan obstruction	Place on level surface; check for objects near fan intake/exhaust.
Error code on display	Sensor/system fault	Unplug for 5 minutes, then restart; if persists, contact service.
Continuous drain not working	Hose blockage/improper slope	Check for kinks; ensure downward slope; clean hose if clogged.

Reset: Unplug for 5 minutes to reset electronic controls.

Service: 1-800-474-2147; www.honeywellhome.com