Honeywell Humidifier HCM-890B Manual

The Honeywell HCM-890B is a cool mist humidifier designed for medium to large rooms, featuring a 1.5-gallon tank capacity, adjustable humidity control, quiet operation, an easy-to-clean design, a wicking filter, a refill indicator light, and an auto-shutoff function when the tank is empty. It helps relieve dryness in the air for improved comfort. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Water Tank, Base with Motor, Wicking Filter, Humidistat Control Knob, Mist Output Nozzle, Refill Indicator Light, Power Cord.

Installation & Setup

Unpack and inspect all parts. Place on a stable, level surface away from walls and electronics.

1. Remove tank: Lift tank off the base.
2. Install filter: Remove filter from packaging and insert into the filter compartment in the base.
3. Fill tank: Turn tank upside down, remove cap, fill with cool tap water up to the fill line. Replace cap securely.
4. Place tank: Set tank back onto the base, ensuring it is seated properly.
5. Plug in: Connect power cord to a standard 120V AC outlet.

WARNING! Do not use with damaged cord or plug. Always place on a dry, level surface.

First-Time Use

Power on humidifier; adjust settings for optimal performance.

1. Set humidity level: Turn the humidistat knob to desired setting (Low to High).
2. Adjust mist direction: Rotate the nozzle to direct mist away from walls and furniture.
3. Monitor operation: The unit will begin producing mist. The refill light will be off when tank has water.
4. Run continuously: For best results, run 24 hours during dry seasons.

CAUTION! Use only clean, cool tap water. Do not add essential oils or other additives directly into the tank.

Specifications

• Tank Capacity: 1.5 gallons (5.7 liters).
• Room Coverage: Up to 500 square feet.
• Output: Up to 1.2 gallons per day.
• Humidity Control: Adjustable humidistat dial.
• Filter Type: Replaceable wicking filter (Model HCM-890F).
• Power: 120V AC, 60Hz, 30W.
• Noise Level: Quiet operation (< 35 dB).
• Dimensions: 13.5" H x 10.5" W x 10.5" D.
• Weight (Empty): 5.5 lbs.
• Warranty: 1-year limited warranty.

Controls and Settings

Primary controls located on the front of the base.

Humidistat Knob: Rotate clockwise to increase mist output (HIGH) and counterclockwise to decrease (LOW).

Mist Nozzle: Adjustable 360° to direct mist flow.

Indicator Lights: Green power light (steady when on); Red refill light (illuminates when tank is empty).

Power Switch: Integrated with humidistat – turning knob to OFF position powers unit down.

Operation Guide

For daily use, ensure proper water level and filter condition.

1. Daily: Check water level; refill as needed when red light comes on.
2. Weekly: Clean tank and base as per maintenance instructions.
3. Monthly: Inspect filter; replace if discolored or every 1-2 months.
4. Seasonal: Deep clean before storage; ensure unit is completely dry.

Tip: For maximum efficiency, place humidifier in the center of the room on a raised surface.

Maintenance & Cleaning

Regular cleaning prevents mold and mineral buildup.

1. Unplug unit and remove tank.
2. Empty any remaining water.
3. Clean tank with a mixture of white vinegar and water (1:1 ratio). Swirl and rinse thoroughly.
4. Wipe base with a damp cloth; do not submerge.
5. Clean mist nozzle with a soft brush to remove residue.
6. Allow all parts to air dry completely before reassembly.

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

Filter Replacement

Replace filter every 1-2 months or when discolored for optimal performance.

1. Unplug unit and remove tank.
2. Open filter compartment on base.
3. Remove old filter and discard.
4. Insert new HCM-890F filter, ensuring it sits flat.
5. Close compartment and reassemble unit.

Note: Using the unit without a filter or with a clogged filter may reduce performance and cause mineral dust.

Safety Information

Read all instructions before use.

• Use only with 120V AC outlet.
• Do not operate with damaged cord or plug.
• Always place on a flat, stable, waterproof surface.
• Keep out of reach of children.
• Do not block mist outlet.
• Unplug before cleaning, filling, or moving.
• Use only clean, cool tap water.
• Do not add medications or essential oils to water tank.

WARNING! Risk of electric shock. Do not disassemble unit. Contact authorized service for repairs.

Regulatory Information

This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that it does not cause harmful interference. Copyright © Honeywell International Inc. Honeywell and the Honeywell logo are registered trademarks. For support, visit www.honeywellhumidifiers.com or contact 1-800-332-1110.

Troubleshooting

Reset: Unplug unit for 10 minutes, then restart.

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