Levoit Humidifier LV550HH Manual

The Levoit LV550HH is a 6-liter warm and cool mist humidifier with a top-fill design, essential oil diffuser, adjustable mist levels, auto mode, sleep mode, timer, humidity sensor, remote control, and a large LED display. It features a 360° nozzle, aromatherapy box, and is designed for medium to large rooms up to 753 sq ft. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 6L water tank, top-fill opening, 360° mist nozzle, LED touch control panel, remote control, aromatherapy box, humidity sensor, and filter.

Installation & Setup

Unpack and inspect all contents. Place on a flat, stable, and water-resistant surface away from walls and electronics.

1. Remove all packaging materials from the humidifier and tank.
2. Open the top lid and fill the tank with clean, cool tap water (do not exceed MAX line).
3. Place the tank back onto the base, ensuring it is seated properly.
4. Plug the power cord into a standard 120V AC outlet.
5. Install the filter (if included) according to the filter instructions.

WARNING! Do not use with damaged cord or plug. Ensure the humidifier is on a level surface to prevent leakage.

First-Time Use

Power on the humidifier; the LED display will illuminate.

1. Press the POWER button to turn on the unit.
2. Select mist type: Press WARM/COOL button to choose between warm or cool mist.
3. Set mist level: Press MIST button to cycle through Low, Medium, High, and Auto.
4. Set humidity target: In Auto Mode, use the +/- buttons to set desired humidity (40%-80%).
5. Set timer: Press TIMER button and use +/- to set 1-12 hours for auto shut-off.
6. Enable Sleep Mode: Press SLEEP button to dim display and reduce noise.

CAUTION! Always use clean water. Do not add essential oils directly into the water tank; use the aromatherapy box only.

Specifications

• Tank Capacity: 6 liters (1.6 gallons).
• Room Coverage: Up to 753 sq ft (70 m²).
• Mist Output: Up to 500 mL/hr.
• Mist Types: Warm mist and cool mist.
• Operation Modes: Manual (Low/Med/High), Auto, Sleep.
• Timer: 1-12 hours.
• Humidity Range: 40% to 80% RH (Auto Mode).
• Power Source: 120V AC, 60Hz, 280W.
• Noise Level: ≤ 36 dB in Sleep Mode.
• Dimensions: 11.8" x 11.8" x 17.3".
• Weight: 10.1 lbs (empty).

Controls and Settings

Access all functions via the touch control panel or remote control. Front Panel: POWER, WARM/COOL, MIST, TIMER, SLEEP, +/- buttons.

Remote: POWER, WARM/COOL, MIST, TIMER, SLEEP, AUTO, +/- buttons.

Mist Level: Low (quiet), Medium (balanced), High (maximum output). Auto Mode: Uses built-in sensor to maintain set humidity. Sleep Mode: Dims display and reduces noise for undisturbed sleep. Timer: Set automatic shut-off from 1 to 12 hours. Warm Mist: Heats water to produce warm mist; may increase room temperature slightly. Cool Mist: Uses ultrasonic technology to produce cool mist without heating.

Operation Modes

Manual Mode: Select Low, Medium, or High mist output. Auto Mode: Set target humidity; unit adjusts mist output automatically. Sleep Mode: Quieter operation with dimmed display.

1. For dry conditions: Use High mist or Auto Mode with higher humidity setting.
2. For nighttime: Use Sleep Mode with Low or Medium mist.
3. For energy saving: Use Auto Mode to maintain optimal humidity without over-humidifying.

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

Maintenance & Cleaning

Regular cleaning prevents mold and mineral buildup. Unplug before cleaning.

1. Daily: Empty and refill tank with fresh water if not in continuous use.
2. Weekly: Clean tank and base with a soft cloth and mild detergent. Rinse thoroughly.
3. Monthly: Descale using white vinegar solution (1:1 with water) to remove mineral deposits.
4. Filter Replacement: Replace filter every 3-6 months or as needed (depending on water hardness).
5. Dry all parts completely before reassembling and storing.

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

Aromatherapy Function

Built-in aromatherapy box for use with essential oils.

1. Ensure humidifier is off and unplugged.
2. Open the aromatherapy box located near the mist nozzle.
3. Add 3-5 drops of essential oils onto the cotton pad inside the box.
4. Close the box and power on the humidifier. Mist will carry the aroma.

CAUTION! Do not add oils directly into water tank as it may damage the unit. Use only 100% pure essential oils.

Safety Information

• Always unplug before cleaning, filling, or moving the unit.
• Use only clean, cool tap water. Do not use hot water or additives.
• Keep out of reach of children and pets.
• Do not operate in an enclosed space or cover during use.
• Do not move the unit while it is operating or contains water.
• If the cord is damaged, discontinue use and contact customer service.
• Do not use with water that has been treated with softening chemicals.

Regulatory Information

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

Troubleshooting

Reset: Unplug for 5 minutes, then restart. For persistent issues, contact customer service.

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