Honeywell Humidifier HWM-500 Series Manual

The Honeywell HWM-500 Series is a high-performance humidifier designed for medium to large rooms, featuring adjustable humidity control, easy-to-clean design, antimicrobial-treated wicking filters, quiet operation, automatic shut-off, refill indicator, and dual-speed settings. Powered by standard 120V AC outlet. 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 to Power 7. Operation 8. Maintenance & Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Main unit with water tank, Control Panel, Humidistat, Wicking Filter, Air outlet, Power cord, and Refill indicator.

Feature	Description
Adjustable Humidistat	Set desired humidity level from 30% to 60%
Dual-Speed Fan	High and Low settings for customized moisture output
Antimicrobial Filter	Wicking filter treated to inhibit mold and bacteria growth
Automatic Shut-Off	Turns off when desired humidity is reached or tank is empty
Refill Indicator	Light alerts when water tank needs refilling
Easy-Clean Design	Removable tank and accessible interior for cleaning
Quiet Operation	Designed for minimal noise during use
Large Tank Capacity	1.5-gallon tank for extended operation
Power Indicator	LED shows when unit is powered on
Carry Handle	Integrated handle for easy transport

Installation

Unpack and inspect contents. Place on level, stable surface away from walls and furniture.

Remove water tank: Lift tank from base unit.
Install wicking filter: Insert filter into slot in base, ensuring proper alignment.
Fill water tank: Turn tank upside down, remove cap, fill with clean cool water, replace cap securely.
Replace tank: Place filled tank back onto base, ensuring it seats properly.
Position unit: Place humidifier on floor or sturdy table in center of room for best air distribution.

WARNING! Do not place on carpet or near heat sources. Ensure unit is upright and level.

First-Time Setup

Connect to power and configure initial settings.

Plug into outlet: Use included power cord; plug into 120V AC outlet.
Power on: Press POWER button; indicator light will illuminate.
Set humidity: Turn HUMIDISTAT knob to desired level (start at 45%).
Select fan speed: Choose HIGH for maximum output or LOW for quiet operation.
Allow operation: Unit will begin humidifying; check for proper mist output.

CAUTION! Use only clean, cool water. Do not add additives or essential oils.

Specifications

Model Series: HWM-500 (HWM-501, HWM-502, HWM-505).
Coverage Area: Up to 500 square feet.
Tank Capacity: 1.5 gallons (5.7 liters).
Output: Up to 1.2 gallons per day.
Humidity Control: Adjustable humidistat (30%-60% RH).
Fan Speeds: 2 (High/Low).
Filter Type: Antimicrobial wicking filter (replace every 1-3 months).
Power: 120V AC, 60Hz, 35W.
Dimensions: 12.5" H x 10.5" W x 10" D.
Weight: 7.5 lbs (empty).

Controls and Settings

Control Panel: POWER button, HUMIDISTAT knob, FAN SPEED switch (HIGH/LOW), REFILL indicator light.

Operation: POWER turns unit on/off. HUMIDISTAT sets target humidity. FAN SPEED adjusts moisture output and noise level. REFILL light illuminates when tank is empty.

Settings: Start with humidity at 45% and fan on HIGH for initial room humidification, then adjust to comfort level. Use LOW speed for nighttime operation.

Connecting to Power

Use included power cord with 3-prong plug.

Ensure unit is off and dry.
Plug cord into rear of humidifier.
Connect to grounded 120V outlet.
Press POWER to turn on.

Tip: Use dedicated outlet; avoid extension cords. Unplug before cleaning or maintenance.

Operation

Daily operation and best practices.

Fill tank daily: Remove tank, fill with clean cool water, replace.
Set humidity: Adjust based on room conditions (30-50% recommended).
Select speed: HIGH for quick humidification, LOW for maintenance.
Monitor indicator: REFILL light shows when tank is empty.
Automatic operation: Unit cycles on/off to maintain set humidity.
Night mode: Use LOW speed for quiet operation.
Seasonal use: More frequent use in winter months.

WARNING! Never operate without water or filter. Do not block air inlet or outlet.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Daily: Refill with clean water.
Weekly: Wipe exterior with damp cloth.
Bi-weekly: Clean tank with mild soap and water; rinse thoroughly.
Monthly: Replace wicking filter (more often in hard water areas).
Seasonal: Deep clean before storage; ensure completely dry.

CAUTION! Unplug before cleaning. Never immerse unit in water. Use only recommended cleaners.

Regulatory Information

UL Listed: Meets safety standards for household humidifiers. FCC Part 15: Class B digital device compliant. EPA Registered: Antimicrobial filter treatment. Copyright © Honeywell International Inc. For support, visit www.honeywellhumidifiers.com or contact 1-800-328-5111.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No mist/output	Empty tank/incorrect filter	Refill water tank; ensure filter is properly installed.
Unit not powering on	Power connection	Check outlet; ensure plug is secure; try different outlet.
Low mist output	Clogged filter/low speed	Replace filter; set fan to HIGH speed.
Water leakage	Improper tank seating	Remove and reseat tank; check for cracks in tank.
Unusual noise	Fan obstruction	Turn off and check for debris in fan area; ensure level surface.
Refill light not working	Sensor issue	Clean sensor area; ensure tank is properly positioned.
Musty odor	Dirty filter/tank	Replace filter; clean tank with vinegar solution (1 part vinegar to 3 parts water).

Reset: Unplug for 5 minutes, then restart.

Service: 1-800-328-5111; www.honeywellhumidifiers.com