Honeywell Humidifier HCM 890 - 2 Gallon Cool Moisture Manual

The Honeywell HCM 890 is a 2-gallon cool moisture humidifier designed to add comfortable humidity to dry indoor air. It features ultrasonic technology for quiet operation, a 2-gallon tank capacity, adjustable humidity control, a night light with on/off option, an easy-to-clean design, an automatic shut-off when empty, and a filter-free operation. Ideal for medium to large rooms. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 2-Gallon Water Tank, Ultrasonic Mist Generator, Control Panel, Night Light, Adjustable Mist Output Nozzle, Water Tank Handle.

Installation & Setup

Unpack and inspect all contents. Place on a flat, stable, waterproof surface.

1. Remove all packaging materials from the humidifier and tank.
2. Place the humidifier on a level surface at least 12 inches from walls and furniture.
3. Fill the water tank: Carry tank to sink, remove cap, fill with cool tap water up to the MAX line. Replace cap securely.
4. Place tank onto base: Align tank with base and set down firmly until seated.
5. Plug power cord into a standard 120V AC electrical outlet.

WARNING! Do not place on carpets or uneven surfaces. Ensure the unit is upright before plugging in.

First-Time Use

Power on the humidifier; set your preferences.

1. Turn the humidifier on by pressing the POWER button.
2. Adjust mist output: Turn the MIST CONTROL knob to desired level (Low/Med/High).
3. Set humidity level: Turn the HUMIDITY CONTROL dial to your comfort setting (usually 40-60% RH).
4. Night Light: Press the LIGHT button to turn the night light on or off.
5. Allow a few minutes for mist to appear from the nozzle.

CAUTION! Use only clean, cool tap water. Do not use hot water or add essential oils, as this may damage the unit.

Specifications

• Tank Capacity: 2 Gallons (7.6 Liters).
• Coverage Area: Up to 500 square feet.
• Run Time: Up to 24 hours on low setting.
• Technology: Ultrasonic Cool Mist.
• Humidity Control: Adjustable dial.
• Mist Output: Adjustable (Low, Medium, High).
• Night Light: Blue LED, optional.
• Power Source: 120V AC, 60Hz.
• Power Consumption: 30 Watts (max).
• Dimensions (LxWxH): Approx. 11.8" x 9.8" x 15.7".
• Weight (Empty): 5.5 lbs.

Controls and Settings

Control Panel: POWER Button, MIST CONTROL Knob, HUMIDITY CONTROL Dial, LIGHT Button, LOW WATER Indicator Light.

Operation: POWER turns unit on/off. MIST CONTROL adjusts mist output level. HUMIDITY CONTROL sets target humidity. LIGHT toggles night light. LOW WATER light illuminates when tank needs refilling.

Settings: For general use, set humidity between 40-60%. Use higher mist output in very dry conditions. The night light can be turned off for complete darkness.

Operation Guide

Daily operation for optimal humidity.

1. Ensure the unit is on a level, waterproof surface.
2. Fill tank daily with cool tap water. Do not exceed MAX line.
3. Turn POWER on and select desired MIST and HUMIDITY settings.
4. Adjust the 360° mist nozzle to direct moisture away from walls and electronics.
5. When the LOW WATER light comes on, refill the tank promptly. The unit will automatically shut off if tank runs dry.
6. To turn off, press POWER button and unplug from outlet.

Tip: For best results, place the humidifier in the center of the room for even moisture distribution.

Cleaning & Maintenance

Regular cleaning prevents mineral buildup and ensures efficient operation.

1. Daily: Wipe exterior with a soft, damp cloth.
2. Weekly Cleaning:
   • Unplug the unit and remove water tank.
   • Empty any remaining water from tank and base.
   • Clean tank interior with a soft brush and mild dish soap. Rinse thoroughly.
   • Wipe the base reservoir and ultrasonic transducer (metal disc) gently with a soft cloth dampened with white vinegar to remove scale.
   • Rinse all parts with clean water and dry completely before reassembly.
3. Descaling (Monthly or as needed): For hard water areas, use a mixture of white vinegar and water (1:1) in the base reservoir. Let sit for 20 minutes, then scrub gently and rinse thoroughly.

WARNING! Never immerse the base unit in water. Do not use abrasive cleaners or brushes.

Safety Features

Automatic Shut-Off: Activates when water tank is empty to protect the ultrasonic transducer. Low Water Indicator: Blue light alerts user before tank is completely empty. Tip-Over Protection: Unit is designed to minimize spillage if tipped, but always use on a stable surface.

Care & Storage

When not in use for extended periods, prepare the humidifier for storage.

1. Unplug the unit.
2. Empty and thoroughly clean the water tank and base as described in the Cleaning section.
3. Allow all parts to air dry completely.
4. Reassemble the unit and store in its original box or a clean, dry place.
5. Do not store with water in the tank.

CAUTION! Never store the unit while wet, as this can promote mold and mildew growth.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. This device complies with Part 18 of the FCC Rules. Copyright © Honeywell International Inc. Honeywell and the Honeywell Humidifier design are 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