Honeywell DH45WKN Dehumidifier Manual

The Honeywell DH45WKN is a high-capacity dehumidifier designed for residential and light commercial use, capable of removing up to 45 pints of moisture per day. It features digital humidity control, an auto-defrost function for low-temperature operation, a continuous drain option, a washable air filter, a full tank 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. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Digital control panel, 45-pint moisture removal tank, Washable air filter, Continuous drain hose port, Caster wheels, Full tank indicator with auto-shutoff.

Feature	Description
Digital Humidity Control	Set desired humidity level (35%-85%)
Auto-Defrost Function	Prevents coil freezing in low temperatures
Continuous Drain Option	For hose connection to floor drain or sump pump
Washable Air Filter	Captures airborne particles; reusable
Full Tank Alert & Auto-Shutoff	Light indicator and automatic power-off when tank is full
Caster Wheels	For easy mobility between rooms
24-Hour Timer	Program on/off cycles
Turbo Mode	Maximum moisture removal for high humidity
Power Cord Storage	Integrated wrap for neat storage
Carry Handle	For lifting and transporting

Installation & Placement

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

Positioning: Place at least 6-12 inches from walls and furniture for proper airflow.
Room Selection: Use in enclosed spaces up to 3000 sq. ft. with temperatures above 41°F (5°C).
Power Connection: Plug directly into a grounded 120V AC outlet; avoid extension cords.
Drain Setup: Choose between bucket collection or continuous hose drainage.

WARNING! Do not operate in temperatures below 41°F (5°C) without auto-defrost. Ensure unit is upright before powering on.

First-Time Setup

Power on dehumidifier; follow control panel prompts.

Set Humidity Level: Press HUMIDITY button to select desired level (recommended 45-50%).
Select Mode: Choose CONTINUOUS, AUTO, or TURBO based on need.
Set Timer (Optional): Use TIMER button to program start/stop times.
Check Filter: Ensure washable filter is clean and properly installed.

CAUTION! Allow unit to stand upright for 24 hours if transported horizontally to prevent compressor damage.

Specifications

Moisture Removal: Up to 45 pints per day (at 80°F, 60% RH).
Coverage Area: Up to 3000 sq. ft.
Tank Capacity: 1.8 gallons (built-in bucket).
Operating Temperature: 41°F to 95°F (5°C to 35°C).
Power Source: 120V AC, 60Hz, 4.5A.
Noise Level: ≤ 51 dB on standard setting.
Dimensions: 15.4" W x 11.4" D x 24.3" H.
Weight: 40.8 lbs.
Refrigerant: R410A (eco-friendly).
Warranty: 1-year limited warranty.

Controls and Settings

Access via digital control panel on top of unit.

Panel Buttons: POWER, HUMIDITY (+/-), MODE (CONTINUOUS/AUTO/TURBO), TIMER (1-24 hours), FILTER RESET.

Humidity Settings: Adjust between 35%-85% in 5% increments. Modes: CONTINUOUS (runs until turned off), AUTO (maintains set humidity), TURBO (maximum dehumidification). Timer: Set delay start or auto-off up to 24 hours. Filter Reset: Press after cleaning filter to reset reminder light.

Operation Modes

Three primary modes for different humidity conditions.

AUTO Mode: Unit cycles on/off to maintain set humidity level; most energy-efficient.
CONTINUOUS Mode: Runs continuously regardless of humidity; use for rapid drying.
TURBO Mode: Fan runs at highest speed for maximum moisture removal in very damp conditions.

Tip: Use AUTO mode for everyday maintenance. Switch to TURBO after water leaks or flooding.

Maintenance & Cleaning

Unplug unit before any maintenance.

Empty Water Tank: Remove and empty bucket when FULL light illuminates.
Clean Air Filter: Remove monthly, rinse with warm water, dry completely before reinstalling.
Exterior Cleaning: Wipe cabinet with soft, damp cloth; do not use harsh chemicals.
Coil Inspection: Check evaporator coil annually for dust; vacuum gently if dirty.
End-of-Season Storage: Empty tank, clean filter, coil dry for 24 hours, cover and store upright.

WARNING! Never operate without filter. Do not immerse unit in water.

Drainage Options

Two methods for water removal.

Bucket Method: Built-in 1.8-gallon tank with handle; empty when FULL light comes on. Continuous Drain: Attach 5/8" ID hose (not included) to drain port; route to floor drain or sump pump. Ensure hose runs downward without kinks.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not turning on	No power	Check outlet; ensure plug is secure; test outlet with another device.
Little or no water collection	Low humidity, cold room, dirty filter	Check room humidity; ensure temperature >41°F; clean filter.
FULL light on but tank empty	Float stuck	Remove tank, check float moves freely; clean around float assembly.
Unit cycles on/off frequently	Room too cold, filter blocked	Move to warmer area; clean filter; ensure airflow is not obstructed.
Unusual noise	Loose parts, fan obstruction	Ensure unit is level; check for objects near fan; contact service if internal rattle.
Error code "E1"	Temperature sensor fault	Unplug for 10 minutes, restart; if persists, contact service.
Water leakage	Hose connection loose, tank not seated	Check hose fittings; ensure tank is fully inserted and level.

Reset: Unplug for 10 minutes to reset control board.

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