Honeywell DH45WGN Dehumidifier Manual

The Honeywell DH45WGN is a 45-pint capacity dehumidifier designed for medium to large rooms, featuring automatic humidity control, continuous drain option, washable filter, auto defrost, digital humidistat, full tank alert with auto shut-off, caster wheels for mobility, and energy-efficient operation. 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 Drain Hose 7. Operating Modes 8. Maintenance 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital control panel, 45-pint water tank, washable air filter, continuous drain port, caster wheels, humidistat, full tank indicator.

Feature	Description
Capacity	45 pints per day (at 60°F, 60% RH)
Digital Humidistat	Set desired humidity level (35% - 85%)
Auto Defrost	Prevents coil freezing in low temperatures
Continuous Drain	Option for hose connection (hose not included)
Washable Filter	Removable filter for easy cleaning
Full Tank Alert	Indicator light and auto shut-off when tank is full
Caster Wheels	Four wheels for easy mobility
Control Panel	Digital display with touch buttons
Power Cord	6-foot cord with storage wrap
Operating Range	41°F to 95°F

Installation

Unpack and inspect contents. Place on level surface.

Remove packaging materials and tape from unit.
Position dehumidifier: Place on level floor at least 12 inches from walls and furniture.
Install casters: Attach all four wheels to base (if not pre-installed).
Check filter: Ensure washable filter is properly seated.
Plug into grounded 120V AC outlet.

WARNING! Do not use extension cords. Ensure proper ventilation around unit.

First-Time Setup

Power on dehumidifier; configure initial settings.

Set humidity level: Press HUMIDITY button to set desired level (45-50% recommended).
Select mode: Choose between CONTINUOUS or AUTO mode.
Check drain options: Decide between bucket collection or continuous drain.
Test operation: Run for 24 hours to establish baseline performance.
Adjust placement: Move unit if needed for optimal moisture removal.

CAUTION! Do not operate in temperatures below 41°F without auto defrost feature enabled.

Specifications

Model: DH45WGN
Capacity: 45 pints per day (at 60°F, 60% RH)
Power: 115V, 60Hz, 4.5A
Tank Capacity: 1.6 gallons
Air Flow: 165 CFM
Operating Conditions: 41°F to 95°F, up to 95% RH
Noise Level: 51 dB on low setting
Dimensions: 15.4" W × 11.4" D × 24.3" H
Weight: 40.8 lbs
Refrigerant: R410A

Controls and Settings

Digital control panel features: POWER, MODE, HUMIDITY, FAN SPEED, TIMER.

Display Indicators: Current humidity, set point, filter alert, full tank, defrost mode.

Humidity Control: Set between 35% and 85% in 5% increments. Modes: CONTINUOUS (runs constantly), AUTO (cycles based on humidity setting). Fan Speed: HIGH for maximum moisture removal, LOW for quiet operation. Timer: 1-24 hours for automatic shut-off. Filter Alert: Light indicates when filter needs cleaning.

Connecting Drain Hose

For continuous operation without emptying bucket.

Turn off and unplug unit.
Remove drain plug from back of unit.
Attach 5/8" ID hose (not included) to drain port.
Route hose to floor drain or suitable drainage area.
Ensure hose has downward slope without kinks.
Replace bucket to catch any potential overflow.

Tip: Use hose clamp to secure connection and prevent leaks.

Operating Modes

Three main operating modes for different needs.

AUTO Mode: Unit cycles on/off to maintain set humidity level.
CONTINUOUS Mode: Runs constantly until turned off or tank is full.
LAUNDRY Mode: High-speed drying for laundry rooms (runs 4 hours then switches to AUTO).
Fan Only: Circulates air without dehumidifying.
Turbo: Maximum moisture removal for high humidity conditions.

WARNING! Do not operate in standing water. Keep unit upright during operation.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Task	Frequency	Procedure
Empty Water Tank	As needed	Remove, empty, and replace securely
Clean Filter	Every 2 weeks	Wash with warm water, dry completely
Clean Exterior	Monthly	Wipe with damp cloth, then dry
Check Drain Hose	Monthly	Ensure clear of obstructions
Coil Inspection	Seasonally	Check for dust/debris, vacuum if needed

Care & Cleaning

Unplug before cleaning. Use mild detergent and soft cloth.

Exterior: Wipe with damp cloth. Do not use abrasive cleaners.
Water Tank: Clean with mild soap solution, rinse thoroughly.
Filter: Remove, wash under running water, air dry completely before reinstalling.
Grille and Vents: Use soft brush attachment on vacuum cleaner.
Storage: Empty tank, clean unit, wrap cord, cover with plastic bag.

CAUTION! Never immerse unit in water. Do not use chemical cleaners on coils.

Regulatory Information

UL Listed. EPA Energy Star certified. Meets California Air Resources Board (CARB) requirements. Manufactured for Honeywell International Inc. For support, visit www.honeywellhome.com or contact 1-800-474-2147. This product contains refrigerant that must be recovered by certified technicians.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not running	Power issue/full tank	Check power outlet; empty water tank; reset circuit breaker.
Poor dehumidification	Dirty filter/room too cold	Clean filter; ensure room temperature above 41°F.
Water leakage	Improper hose connection	Check drain hose connection; ensure tank properly seated.
Loud noise	Loose parts/obstruction	Check for loose panels; remove obstruction from fan.
Frost on coils	Low temperature	Auto defrost should activate; move to warmer area.
Error codes	Sensor issues	Unplug for 10 minutes, then restart; contact support if persistent.

Reset: Unplug for 10 minutes to reset electronic controls.

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