Honeywell Humidifier HEV320B Manual

The Honeywell HEV320B is a 2-gallon cool mist humidifier designed for medium to large rooms up to 500 sq. ft. It features a wicking filter system, three mist output settings, a refill indicator light, a 24-hour timer, an essential oil tray, and quiet operation. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 2-gallon water tank, wicking filter, control panel with digital display, mist nozzle, essential oil tray, 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 humidifier and filter.
2. Install the wicking filter: Remove from package, soak in cool water for 15 minutes, then insert into filter frame.
3. Fill the water tank: Remove tank from base, flip upside down, unscrew cap, fill with cool tap water, replace cap securely.
4. Place tank on base: Ensure tank is properly seated and aligned.
5. Plug power cord into a 120V AC outlet.

WARNING! Place humidifier on a waterproof mat or towel. Keep away from children and pets. Do not use with extension cords.

First-Time Use

Power on the humidifier; follow these initial steps.

1. Press POWER button to turn on; default setting is LOW mist.
2. Adjust mist output: Press MIST button to cycle through Low, Medium, High settings.
3. Set timer: Press TIMER button to set auto shut-off (1-12 hours).
4. Add essential oils (optional): Place a few drops in the designated tray only.
5. Monitor humidity: Ideal room humidity is 40-60%.

CAUTION! Use only clean, cool tap water. Do not use hot water or add oils directly to water tank.

Specifications

• Model: HEV320B
• Tank Capacity: 2 gallons (7.6 L)
• Coverage Area: Up to 500 sq. ft.
• Mist Output: Up to 1.2 gallons per day
• Power Consumption: 30W max
• Noise Level: < 35 dB on low setting
• Dimensions: 13.8" x 10.2" x 17.5"
• Weight: 8.8 lbs (empty)
• Power Source: 120V AC, 60Hz
• Filter Type: Demineralization wicking filter (replacement part HEV320WF)

Controls and Settings

Control Panel Features: POWER, MIST (Low/Med/High), TIMER (1-12 hrs), FILTER RESET indicator, REFILL indicator.

Display Icons: Power indicator, Mist level (1-3 dots), Timer countdown, Refill alert (flashing water drop), Filter replacement reminder (wrench icon).

Settings Overview: Mist output adjustable for desired humidity level. Timer can be set for automatic shut-off. Filter Reset: Hold FILTER button for 3 seconds after replacing filter to reset indicator. Essential Oil Tray: Located on side; use only 2-3 drops maximum.

Operation Guide

Daily Operation: Ensure tank is filled, filter is moist, and unit is on stable surface.

1. Fill tank daily with cool tap water; do not overfill.
2. Select mist setting based on room size and humidity needs.
3. Use timer for overnight operation or energy saving.
4. Monitor refill indicator; refill when light turns on.
5. Clean essential oil tray regularly if used.

Tip: Place humidifier at least 12 inches from walls and furniture for optimal mist distribution.

Maintenance & Cleaning

Regular cleaning prevents mold and mineral buildup.

1. Unplug unit before cleaning.
2. Empty and rinse tank daily.
3. Weekly cleaning: Use mild soap and water for tank and base; never immerse base in water.
4. Monthly deep clean: Use white vinegar solution (1 part vinegar to 3 parts water) to descale.
5. Dry all parts thoroughly before reassembly.

WARNING! Do not use bleach, abrasive cleaners, or detergents. Never immerse motor or electronics in water.

Filter Replacement

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

1. Turn off and unplug humidifier.
2. Remove water tank and old filter from frame.
3. Soak new filter (HEV320WF) in cool water for 15 minutes.
4. Insert filter into frame, ensuring proper alignment.
5. Reset filter indicator: Hold FILTER button for 3 seconds until light turns off.

Note: Using demineralization cartridges or distilled water can extend filter life.

Safety Information

Important safety precautions for proper operation.

• Always unplug before cleaning or maintenance.
• Use only cool tap water; never add hot water.
• Keep cord away from heated surfaces.
• Do not operate without water or filter installed.
• Do not block mist outlet or air intake.
• Place on level, waterproof surface.
• Not recommended for use with closed doors.

CAUTION! Risk of electric shock if immersed. Do not attempt to repair unit yourself.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC Rules. UL Listed: Meets UL safety standards. Copyright © Honeywell International Inc. For support, visit www.honeywellhumidifiers.com or contact 1-800-332-1110. Model HEV320B manufactured for residential use only.

Troubleshooting

Reset: Unplug for 60 seconds to reset electronic controls.

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