Levoit Humidifier Dual 150 Series Manual

The Levoit Humidifier Dual 150 Series is a compact, dual-mist humidifier designed for medium to large rooms. It features a 1.5-gallon (5.5L) tank, adjustable mist output (low/medium/high), a 360° nozzle, optional night light, auto shut-off, and essential oil tray compatibility. Ideal for improving air quality and relieving dryness. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Water Tank, Base Unit, Mist Nozzle, Control Panel, Night Light, Essential Oil Tray.

Installation & Setup

Unpack and inspect all parts. Place on a flat, stable, and dry surface.

1. Remove tank: Lift tank from base unit.
2. Fill with water: Turn tank upside down, open fill cap, add cool tap water (do not exceed MAX line).
3. Reassemble: Close cap securely, place tank back on base.
4. Power on: Plug into standard 120V AC outlet.

WARNING! Use only clean, cool tap water. Do not use hot water or add oils directly to water tank. Keep away from children.

First-Time Use

After setup, power on the humidifier.

1. Press POWER button to turn on.
2. Select mist level: Press MIST button to cycle through Low, Medium, High.
3. Adjust nozzle: Rotate 360° nozzle to direct mist away from walls and electronics.
4. Optional night light: Press LIGHT button to turn on/off.
5. Monitor humidity: Refill when water level is low or unit stops misting.

CAUTION! Place on a water-resistant surface. Do not block mist outlet.

Specifications

• Tank Capacity: 1.5 gallons (5.5 liters).
• Coverage Area: Up to 375 sq ft.
• Runtime: Up to 40 hours on Low setting.
• Mist Output: Adjustable up to 300 mL/h.
• Noise Level: ≤ 30 dB on Low setting.
• Power: 120V, 60Hz, 24W.
• Dimensions: 10.6" x 7.3" x 10.6".
• Weight: 3.3 lbs (empty).
• Water Type: Cool tap water recommended.
• Warranty: 2-year limited warranty.

Controls and Operation

Control Panel: POWER, MIST (level), LIGHT (night light).

Operation Modes: Low (quiet, extended runtime), Medium (balanced), High (maximum mist output).

Night Light: Press LIGHT to toggle soft blue light. Auto Shut-Off: Activates when tank is empty or improperly seated. Essential Oil Tray: Add a few drops to tray (not water tank) for aromatherapy.

Maintenance & Cleaning

Regular cleaning prevents mold and mineral buildup.

1. Unplug and empty tank daily.
2. Weekly deep clean: Mix 1 cup white vinegar with 1 gallon water, fill tank halfway, shake gently, let sit 15 minutes, rinse thoroughly.
3. Clean base: Wipe with soft, damp cloth; do not submerge.
4. Dry completely before refilling.

Tip: Use distilled water in hard water areas to reduce scaling.

Using Essential Oils

Only use Levoit-approved essential oils in the dedicated tray.

1. Ensure humidifier is off and unplugged.
2. Add 3-5 drops of oil to the essential oil tray (located on base).
3. Do NOT add oils directly to water tank—this can damage the unit.
4. Run humidifier as normal; mist will carry subtle fragrance.

WARNING! Overuse of oils may cause irritation. Discontinue use if adverse reactions occur.

Safety Features

Auto Shut-Off: Prevents dry running when water is low. BPA-Free Materials: All water-contact parts are BPA-free. Tip-Over Protection: Stops operation if unit is knocked over.

Care & Storage

Before storing, clean thoroughly and dry all parts. Store in original box in a cool, dry place.

CAUTION! Never store with water in tank. Do not expose to extreme temperatures.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2023 Levoit; trademarks of Vesync Co., Ltd. ETL listed for safety. For support, visit www.levoit.com or contact 1-888-726-8520.

Troubleshooting

Reset: Unplug for 5 minutes, then restart.

Service: 1-888-726-8520; www.levoit.com