Honeywell DH150A105 Dehumidifier Manual

The Honeywell DH150A105 is a high-capacity dehumidifier designed for residential and light commercial use, capable of removing up to 150 pints of moisture per day. It features automatic humidity control, continuous drainage option, digital controls with display, auto-restart after power interruption, washable air filter, 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. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Digital control panel, Air filter, Water collection bucket, Continuous drain hose connection, Caster wheels, Humidity sensor.

FeatureDescription
Dehumidification CapacityRemoves up to 150 pints per day at 80°F/60% RH
Digital Control PanelLED display with humidity readout and settings
Automatic Humidity ControlSet desired humidity level (35%-85%)
Continuous Drain OptionGarden hose connection for automatic drainage
Auto-Restart FunctionResumes previous settings after power outage
Washable Air FilterRemovable filter for easy cleaning
Full Bucket AlertIndicator light and auto shut-off when bucket is full
Timer Function24-hour on/off timer
Caster WheelsFour wheels for easy mobility
HandleIntegrated carrying handle

Installation & Placement

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

  1. Positioning: Place at least 12 inches from walls and furniture for proper air circulation.
  2. Environment: Operate in temperatures between 41°F (5°C) and 95°F (35°C).
  3. Power Connection: Plug directly into grounded 115V outlet; avoid extension cords.
  4. Initial Setup: Allow unit to stand upright for 24 hours if transported on its side.

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

First-Time Setup

Power on dehumidifier; configure initial settings.

  1. Install air filter: Ensure washable filter is properly seated in front grille.
  2. Set humidity level: Press HUMIDITY button to set desired level (recommended 45-50%).
  3. Select mode: Choose between Continuous, Auto, or Timer mode.
  4. Bucket placement: Ensure collection bucket is properly inserted and locked.
  5. Continuous drain setup: Connect garden hose to drain port if using automatic drainage.

CAUTION! Handle with care; unit is heavy. Use two people for moving if necessary.

Specifications

Controls and Settings

Access controls via digital panel on top of unit.

Control Panel: POWER button, HUMIDITY +/- buttons, MODE button, TIMER button, FILTER RESET button.

Display Indicators: Current humidity, Set humidity, Timer setting, Filter alert, Full bucket alert, Continuous mode indicator.

Modes: AUTO (maintains set humidity), CONTINUOUS (runs continuously), TIMER (programmable 24-hour schedule). Settings: Humidity level (35%-85%), Fan speed (High/Low), Timer (1-24 hours), Filter reset reminder.

Operation Modes

Three primary operating modes for different needs.

  1. Auto Mode: Unit cycles on/off automatically to maintain set humidity level.
  2. Continuous Mode: Runs continuously regardless of humidity level.
  3. Timer Mode: Program unit to turn on/off at specific times (1-24 hour settings).
  4. Fan Speed: Select High for maximum moisture removal or Low for quiet operation.

Tip: Use Auto mode for energy efficiency. Continuous mode is best for very damp conditions.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Air Filter: Clean every 2 weeks or as needed. Remove, wash with mild detergent, dry completely before reinstalling.
  2. Water Bucket: Empty regularly. Clean monthly with mild detergent to prevent mold/mildew.
  3. Exterior: Wipe with soft, damp cloth. Do not use abrasive cleaners.
  4. Coils: Keep coils clean; vacuum gently if dusty.
  5. End-of-Season: Empty bucket, clean unit, and store in dry place.

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

Drainage Options

Two methods for water removal: bucket collection or continuous drainage.

  1. Bucket Collection: Standard method. Unit stops when bucket is full (indicator light illuminates).
  2. Continuous Drainage: Connect standard garden hose (not included) to drain port. Ensure hose runs downward to drain.
  3. Drain Hose Installation: Remove bucket, attach hose to drain port, route to floor drain or sink.

CAUTION! Ensure continuous drain hose is not kinked or elevated above drain port.

Regulatory Information

UL Listed: Meets UL 474 safety standards. Energy Star: Certified for energy efficiency. FCC Part 15: Class B digital device; complies with interference limits. Copyright © Honeywell International Inc. For support, visit www.honeywellhome.com or contact 1-800-474-2147. Refrigerant: Contains R410A. Dispose of properly according to local regulations.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not startingPower issue/full bucketCheck power connection; empty bucket; ensure bucket is properly seated.
Poor dehumidificationDirty filter/extreme tempsClean air filter; ensure room temperature is between 41°F-95°F.
Water leakageImproper bucket placementEnsure bucket is fully inserted; check for cracks in bucket.
Loud operationUneven surface/obstructionPlace on level surface; ensure nothing is touching the unit.
Display not workingPower issueCheck outlet; ensure unit is plugged in securely.
Continuous drain not workingHose blockage/elevationEnsure hose is not kinked and slopes downward from unit.
Frost on coilsLow temperatureUnit may frost in temps below 65°F; move to warmer area or defrost.

Reset: Unplug for 10 minutes, then restart. Press FILTER RESET after cleaning filter.

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

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