Honeywell Humidifier HWM-910 Series Manual

The Honeywell Humidifier HWM-910 Series is a high-performance cool mist humidifier designed for medium to large rooms. It features a 1-gallon tank capacity, adjustable humidity control, quiet operation, automatic shut-off, easy-to-clean design, wicking filter system, and a refill indicator light. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Water tank, base unit with motor, wicking filter, control panel, mist outlet, and power adapter.

Installation & Setup

Unpack and inspect all components. Place on a flat, stable surface away from walls and electronics.

1. Remove all packaging materials from tank and base.
2. Install wicking filter: Remove filter from package and insert into filter slot in base.
3. Fill water tank: Remove tank from base, turn upside down, unscrew cap, fill with cool tap water, replace cap securely.
4. Place tank on base: Align tank with base and set firmly in place.
5. Plug into standard 120V AC outlet.

WARNING! Use only clean, cool tap water. Do not use hot water or additives. Ensure unit is on a level surface.

First-Time Use

Power on humidifier; adjust settings as needed.

1. Turn humidity control dial to desired setting (Low for quiet operation, High for maximum output).
2. Adjust mist nozzle to direct mist away from walls and furniture.
3. Monitor refill indicator light; refill tank when light illuminates.
4. For optimal performance, run unit continuously for first 24 hours.

CAUTION! Do not operate without water in tank. Keep unit out of reach of children and pets.

Specifications

• Model Series: HWM-910
• Tank Capacity: 1 gallon (3.8 liters)
• Room Coverage: Up to 500 sq. ft.
• Run Time: Up to 24 hours (Low setting)
• Output: Up to 1.5 gallons per day
• Noise Level: < 30 dB on Low setting
• Power Consumption: 30W maximum
• Power Source: 120V AC, 60Hz
• Dimensions: 13.5" H x 10.5" W x 9" D
• Weight: 5.5 lbs (empty)
• Filter Type: Demineralization wicking filter (replacement part HWF-910)

Controls and Settings

Control Panel: Power button, Humidity Control dial, Refill Indicator Light.

Humidity Control Dial: Rotate to select output level - Low (quietest), Medium, High (maximum mist).

Power Button: Press to turn unit on/off. Unit will automatically shut off when tank is empty.

Refill Indicator Light: Illuminates red when water level is low. Turns off when tank is refilled.

Mist Nozzle: Rotate 360° to direct mist flow. Adjust periodically for even room humidification.

Operation Guide

Daily operation procedures for optimal performance.

1. Check water level daily; refill before indicator light comes on for continuous operation.
2. Adjust humidity control based on room conditions and season.
3. Clean mist nozzle weekly to prevent mineral buildup.
4. Use in rooms with doors closed for most effective humidification.
5. Position unit at least 12 inches from walls and 3 feet from electronic devices.

Tip: Use distilled water in areas with hard water to extend filter life and reduce white dust.

Maintenance & Cleaning

Regular cleaning prevents mold and mineral buildup.

1. Unplug unit before cleaning.
2. Empty any remaining water from tank and base.
3. Clean tank with mild soap and warm water; rinse thoroughly.
4. Wipe base interior with damp cloth; do not submerge in water.
5. Clean mist nozzle with soft brush to remove mineral deposits.
6. Allow all parts to air dry completely before reassembly.
7. Perform deep cleaning every 1-2 weeks during regular use.

WARNING! Never use harsh chemicals, abrasives, or detergents. Do not immerse motor unit in water.

Filter Replacement

Replace wicking filter every 1-3 months depending on water hardness and usage.

1. Unplug unit and remove water tank.
2. Remove old filter from base compartment.
3. Insert new HWF-910 filter (available from authorized dealers).
4. Ensure filter is properly seated and contacts water.
5. Soak new filter for 15 minutes before first use.

Signs for replacement: Reduced mist output, visible mineral buildup on filter, musty odors.

Safety Information

Important safety precautions for proper use.

• Use only as directed in this manual.
• Always unplug before cleaning, maintenance, or when not in use.
• Do not operate without water in tank.
• Keep cord away from heated surfaces.
• Do not cover mist outlet during operation.
• Use only Honeywell replacement parts.
• Do not attempt to repair motor unit; contact authorized service.
• Keep unit out of reach of children and pets.

CAUTION! Risk of electric shock. Do not immerse unit in water or other liquids.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. UL Listed: Meets UL standard 998. Copyright © 2023 Honeywell International Inc. All rights reserved. Honeywell and the Honeywell logo are registered trademarks of Honeywell International Inc. For support, visit www.honeywellhumidifiers.com or contact 1-800-332-1110.

Troubleshooting

Reset: Unplug unit for 5 minutes, then restart.

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