Honeywell Humidifier HDH-142 Manual

The Honeywell Humidifier HDH-142 is a cool mist humidifier designed to add comfortable moisture to dry air in medium to large rooms. It features a 1-gallon tank capacity, adjustable humidity control, a wicking filter system, a quiet operation mode, an automatic shut-off when empty, a refill indicator, and a night light function. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Water Tank, Base Unit with Motor, Wick Filter, Control Panel, Humidity Control Dial, Night Light, Refill Indicator.

Installation & Setup

Unpack and inspect all parts. Place on a flat, stable, waterproof surface away from electronics.

1. Remove the water tank from the base unit.
2. Install the wick filter: Remove from packaging, soak in cool water for 15 minutes, then insert into the filter frame in the base.
3. Fill the tank: Turn tank upside down, remove cap, fill with cool, clean tap or distilled water (do not use hot water or additives).
4. Reassemble: Place tank back onto base, ensuring it is seated properly and the refill indicator is not lit.
5. Plug the power cord into a standard 120V AC outlet.

WARNING! Always place humidifier on a level, waterproof surface. Do not place near heat sources or in direct sunlight. Keep cord away from heated surfaces.

First-Time Use

After setup, power on the humidifier and configure initial settings.

1. Turn the Humidity Control dial to the desired setting (Low, Medium, High).
2. Adjust the 360-degree mist nozzle to direct mist away from walls and furniture.
3. To activate the night light, press the Night Light button on the control panel (if equipped).
4. Allow the unit to run for a few minutes; you should see a cool mist emitted from the nozzle.

CAUTION! Use only clean, cool water. Never add essential oils, fragrances, or other chemicals to the water tank, as this can damage the unit and void the warranty.

Specifications

• Model: HDH-142
• Tank Capacity: 1 Gallon (3.8 Liters)
• Room Coverage: Up to 400 sq. ft.
• Run Time: Up to 24 hours (Low setting)
• Mist Output: Adjustable, up to 1.2 gallons per day
• Filter Type: Replaceable Wick Filter (Model HF-142)
• Power Source: 120V AC, 60Hz
• Power Consumption: 30W
• Unit Dimensions (HxWxD): 16.5" x 10.5" x 10.2"
• Weight (Empty): 5.5 lbs
• Noise Level: < 35 dB on Low setting

Controls and Settings

Control Panel located on the front of the base unit.

Primary Controls: Power Button (On/Off), Humidity Control Dial (Continuous variable from Low to High), Night Light Button.

Indicators: Power Indicator (Blue), Refill Indicator (Red) - illuminates when water is low.

Operation Modes: Standard (dial set to desired mist level). The unit will run until the tank is empty or turned off. Automatic shut-off activates when the tank is empty or removed.

Operation Guide

Daily operation procedures for optimal performance.

1. Starting: Ensure tank is filled and properly seated. Press Power button. Turn dial to desired mist output.
2. Adjusting Mist Output: Rotate the Humidity Control dial. Higher settings produce more moisture faster.
3. Using Night Light: Press the Night Light button to turn the soft blue light on or off.
4. Refilling: When the red Refill Indicator lights, or mist output decreases, turn unit off and unplug. Remove tank, refill with cool water, and reassemble.
5. Stopping: Turn dial to minimum (Low) and press Power button to off. Unplug from outlet.

Tip: For best results, use distilled water to minimize mineral deposits and extend wick filter life.

Maintenance & Cleaning

Regular cleaning is essential to prevent mold and mineral buildup. Clean every 1-2 weeks, or more often in hard water areas.

1. Unplug the unit. Remove the water tank and empty any remaining water.
2. Clean the Tank: Fill tank with a mixture of 1 quart white vinegar and 1 gallon water. Let sit for 20 minutes. Scrub interior with a soft brush. Rinse thoroughly with clean water.
3. Clean the Base: Wipe the exterior with a damp cloth. For the reservoir in the base, pour out any standing water and wipe clean. Do not submerge the base in water.
4. Dry Completely: Allow all parts to air dry completely before reassembly and use.

WARNING! Never use abrasive cleaners, bleach, or detergents not recommended by the manufacturer. Do not immerse the motorized base in water or other liquids.

Filter Replacement

The wick filter should be replaced every 1-2 months, or when it appears discolored, hard, or has an odor.

1. Turn off and unplug the humidifier. Remove the water tank.
2. Remove the old wick filter from the filter frame in the base.
3. Soak the new HF-142 filter in cool water for 15-20 minutes.
4. Insert the damp filter into the frame, ensuring it is seated flat and straight.
5. Reassemble the tank and base. The unit is ready for use.

Note: Using the humidifier without a filter or with a clogged filter can reduce performance and damage the unit.

Care & Storage

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

1. Unplug the unit. Empty and thoroughly clean the tank and base as described in the cleaning section.
2. Remove and discard the used wick filter.
3. Allow all parts to dry completely for at least 24 hours.
4. Reassemble the unit without a filter. Store in its original box or a clean, dry place.
5. Before next use, install a new wick filter.

CAUTION! Never store the unit with water in the tank or base, as this can lead to mold and mildew growth.

Regulatory Information

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

Troubleshooting

Reset: Unplug the unit for 5 minutes, then plug back in to reset the electronic controls.

Service: For issues not resolved above, contact Honeywell Customer Service at 1-800-332-1110 or visit www.honeywellhumidifiers.com. Do not attempt to repair the unit yourself.