Honeywell DH45PWGN Dehumidifier Manual

The Honeywell DH45PWGN is a 45-pint portable dehumidifier designed for medium to large rooms up to 3000 sq. ft. It features digital humidity readout, auto defrost, continuous drain option, washable filter, automatic shut-off, and 24-hour timer. Operates on 115V/60Hz. 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. Operating Modes 7. Maintenance & Cleaning 8. Storage & Winterization 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Digital control panel, 45-pint water tank, Washable air filter, Continuous drain hose connection, Casters for mobility, Auto defrost function.

FeatureDescription
Digital Humidity DisplayShows current room humidity and set target
45-Pint CapacityRemoves up to 45 pints per day at 80°F/60% RH
Auto DefrostPrevents coil freezing in low temperatures
Continuous Drain OptionHose connection for unattended operation
Washable FilterCaptures dust and particles; reusable
Automatic Shut-OffTurns off when tank is full
24-Hour TimerProgram on/off cycles
Castor WheelsEasy mobility between rooms
Turbo ModeMaximum moisture removal speed
Energy Star CertifiedEnergy efficient operation

Installation & Placement

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

  1. Positioning: Place at least 12 inches from walls and furniture for proper airflow.
  2. Level Surface: Ensure unit is level to prevent water leakage.
  3. Power Connection: Plug directly into 115V grounded outlet. Do not use extension cords.
  4. Drain Setup: For continuous drainage, attach hose to drain port and route to floor drain.

WARNING! Do not operate in temperatures below 41°F (5°C). Ensure proper ventilation around unit.

First-Time Setup

Power on dehumidifier; follow initial setup procedure.

  1. Install Filter: Ensure washable filter is properly seated in filter compartment.
  2. Set Humidity Level: Press HUMIDITY button to set desired RH (30%-80%).
  3. Select Mode: Choose between Continuous, Auto, or Turbo mode based on needs.
  4. Test Operation: Allow unit to run for 15 minutes to verify proper condensation.

CAUTION! Handle water tank carefully when full (approx. 10 lbs). Empty before moving.

Specifications

Controls and Settings

Digital Control Panel: POWER, MODE, HUMIDITY, TIMER, TURBO, FILTER RESET.

Display Indicators: Current humidity, Set humidity, Full tank alert, Filter clean reminder, Defrost mode.

Humidity Control: Set between 30%-80% RH in 5% increments. Modes: CONTINUOUS (runs constantly), AUTO (cycles based on set humidity), TURBO (maximum dehumidification). Timer: Program 1-24 hours for automatic start/stop. Filter Reset: Press after cleaning filter to reset reminder light.

Operating Modes

Select mode based on humidity conditions and needs.

  1. Auto Mode: Unit cycles on/off to maintain set humidity level (recommended for most use).
  2. Continuous Mode: Runs constantly regardless of humidity (use for very damp conditions).
  3. Turbo Mode: Maximum fan speed for fastest moisture removal.
  4. Timer Mode: Set unit to turn on/off at specific times (1-24 hour programming).

Tip: For energy savings, set humidity to 50-55% in living areas, 45-50% in basements.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Daily: Check and empty water tank when FULL indicator lights.
  2. Monthly: Clean washable filter with warm water and mild detergent. Air dry completely.
  3. Seasonally: Clean exterior with soft, damp cloth. Never use harsh chemicals.
  4. Annually: Inspect coils for dust buildup; clean gently with soft brush.

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

Storage & Winterization

Proper storage prevents damage during non-use periods.

  1. Clean thoroughly: Empty and clean water tank. Wash and dry filter.
  2. Drain completely: Run unit in continuous mode for 30 minutes to dry internal components.
  3. Coil storage: Store in upright position to prevent oil migration.
  4. Cover: Use dust cover or store in original box in dry location.

CAUTION! Do not store in temperatures below 32°F (0°C).

Regulatory Information

UL Listed: Meets UL 474 safety standards. Energy Star Certified: Exceeds energy efficiency requirements. EPA Refrigerant Compliance: Uses R410A, an environmentally friendly refrigerant. FCC Part 15: Class B digital device compliant. Copyright © Honeywell International Inc. For support, visit www.honeywellhome.com or contact 1-800-332-1110.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not runningPower/TemperatureCheck power connection; ensure room temp above 41°F.
Little/no water collectionHumidity setting/FilterLower humidity setting; check and clean filter.
Water leakingTank/PlacementEnsure tank properly seated; check unit is level.
Loud noise/vibrationPlacement/ComponentsEnsure level surface; check for loose parts.
Frost on coilsLow temperatureAuto defrost should activate; move to warmer area.
Filter light onDirty filterClean filter; press FILTER RESET button.
Display not workingPower/Control boardCheck power source; unplug for 5 minutes then restart.

Reset: Unplug for 5 minutes to reset electronic controls.

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

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