Honeywell DH90A1015/U Dehumidifier Manual

The Honeywell DH90A1015/U is a high-capacity 90-pint dehumidifier designed for large rooms and basements, featuring automatic humidity control, continuous drain option, turbo mode for faster moisture removal, auto-restart after power interruption, washable air filter, full bucket alert with auto-shutoff, and caster wheels for easy mobility. 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. Drainage Options 9. Safety Features 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Control panel with digital display, water collection bucket, washable filter, continuous drain hose port, caster wheels, and handle.

Feature	Description
Humidity Control	Automatic humidity sensing and adjustment (30%-90% RH)
Turbo Mode	Increases fan speed for faster dehumidification
Continuous Drain	Option for hose connection (5/8" inner diameter)
Auto Restart	Resumes previous settings after power outage
Full Bucket Alert	LED indicator and auto-shutoff when bucket is full
Washable Filter	Removable air filter for easy cleaning
Digital Display	Shows current humidity, settings, and alerts
Caster Wheels	Four wheels for easy mobility
Timer Function	Programmable 1-24 hour on/off timer
Power Cord Storage	Integrated wrap for neat storage

Installation & Placement

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

Positioning: Place at least 12 inches from walls and furniture for proper airflow.
Environment: Operate in temperatures between 41°F (5°C) and 95°F (35°C).
Power: Plug into dedicated 115V AC, 60Hz grounded outlet.
Drainage: Choose between bucket collection or continuous drain hose.

WARNING! Do not place in confined spaces or near heat sources. Ensure unit is upright during operation.

First-Time Setup

Power on dehumidifier; follow initial setup procedure.

Install filter: Ensure washable filter is properly seated in front grille.
Set humidity level: Press HUMIDITY button to select desired level (45-50% recommended).
Select mode: Choose between Normal, Turbo, or Timer mode.
Bucket placement: Ensure empty bucket is correctly inserted and locked.

CAUTION! Handle with care when moving; use two people if unit is heavy.

Specifications

Model: DH90A1015/U
Capacity: 90 pints per day (at 60% RH, 80°F)
Coverage: Up to 4,500 sq. ft. (depending on conditions)
Power: 115V, 60Hz, 7.5A
Tank Capacity: 1.8 gallons (with full bucket alert)
Operating Temp: 41°F to 95°F (5°C to 35°C)
Noise Level: ≤ 51 dB (Normal mode)
Dimensions: 15.4" W × 11.4" D × 24.3" H
Weight: 41.9 lbs
Refrigerant: R410A

Controls and Settings

Access controls via front panel buttons and digital display.

Control Panel: POWER, HUMIDITY (+/-), MODE (Normal/Turbo/Timer), TIMER SET, FILTER RESET.

Display Icons: Current humidity, set point, turbo mode, timer, filter alert, full bucket.

Settings: Humidity level (30%-90% in 5% increments), fan speed (Normal/Turbo), timer (1-24 hours), filter reset (after cleaning).

Operation Modes

Normal Mode: Standard dehumidification with adjustable fan speed. Turbo Mode: Maximum moisture removal for high humidity. Timer Mode: Programmable operation schedule.

Press POWER to turn unit on.
Set desired humidity using HUMIDITY buttons.
Select MODE for Normal or Turbo operation.
For Timer: Press TIMER SET, then use +/- to set hours.
Unit will cycle automatically to maintain set humidity.

Tip: For energy savings, set humidity to 50% when room is occupied.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Filter Cleaning: Remove and wash filter every 2 weeks with warm water. Dry completely before reinstalling.
Bucket Cleaning: Empty and clean bucket monthly with mild detergent. Rinse thoroughly.
Exterior Cleaning: Wipe cabinet with soft, damp cloth. Do not use harsh chemicals.
Coil Inspection: Check evaporator coil annually for dust buildup.

WARNING! Always unplug unit before cleaning. Never immerse in water.

Drainage Options

Bucket Collection: Standard method with auto-shutoff when full. Continuous Drain: Connect hose for unattended operation.

For bucket: Ensure bucket is properly seated. Empty when FULL light illuminates.
For continuous drain: Remove bucket, attach 5/8" ID hose to drain port, route to floor drain or sink.
Ensure hose has downward slope without kinks.

CAUTION! Do not operate without bucket or proper hose connection.

Safety Features

Auto Shutoff: Stops operation when bucket is full or removed. Overload Protection: Thermal fuse prevents motor damage. Tip-Over Switch: Cuts power if unit is knocked over.

Regulatory Information

UL Listed: Meets UL 474 safety standards. Energy Star: Certified for energy efficiency. EPA Refrigerant: Compliant with R410A regulations. Copyright © Honeywell International Inc. For support, visit www.honeywellhome.com or contact 1-800-332-1110.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power/bucket	Check power connection; ensure bucket is properly inserted.
Poor dehumidification	Filter/temperature	Clean filter; ensure room temperature is above 41°F.
Water leakage	Bucket/hose	Ensure bucket is seated correctly; check hose for kinks.
Loud noise	Placement/vibration	Place on level surface; check for loose parts.
Display not working	Power/reset	Unplug for 10 minutes, then restart; check outlet.

Reset: Unplug for 10 minutes to reset control board.

Service: 1-800-332-1110; www.honeywellhome.com