Introduction
The Levoit LV550HH Hybrid Ultrasonic Humidifier is designed to enhance your indoor air quality by dispersing both warm and cool mist. This device features a large 5.5-liter capacity, offering up to 36 hours of continuous operation, and is suitable for medium to large rooms. It includes an intuitive control panel, a remote control, and an aroma box for essential oils, providing a customizable and comfortable environment.
This manual provides detailed instructions for the safe and efficient operation, setup, maintenance, and troubleshooting of your LV550HH humidifier.
Important Safety Instructions
To reduce the risk of fire, electric shock, or injury, always follow basic safety precautions when using this appliance.
- Read all instructions before operating the humidifier.
- Place the humidifier on a flat, stable, water-resistant surface away from walls and appliances.
- Do not place the humidifier directly on carpet or rugs.
- Keep the humidifier out of reach of children and pets.
- Always unplug the humidifier before cleaning or refilling.
- Do not add essential oils, bacteriostatic agents, or perfumes directly into the water tank or base. Use only the designated aroma box. Adding these substances to the water tank or base can cause leakage and damage the unit.
- Do not allow water to enter the air vent while cleaning the humidifier.
- Use only clean, cool tap water or distilled water. Distilled water is recommended to minimize mineral dust.
- Do not block the mist outlet or air intake.
- Do not disassemble or attempt to repair the humidifier yourself. Contact Levoit customer support for assistance.
- Ensure the power cord is not damaged and is properly plugged into a suitable electrical outlet.
- The warm mist function requires approximately 10-15 minutes to reach its full temperature and produce warm mist.
Package Contents
- LEVOIT LV550HH Humidifier
- Water filter
- Cleaning brush
- Remote control
- User manual (this document)
- 2 Aroma pads (pre-installed in aroma box)
Product Diagram
The LEVOIT LV550HH humidifier consists of several key components:
- Water Tank: The transparent reservoir for holding water.
- Base: Contains the ultrasonic atomizer, heating element, and control circuitry.
- Mist Outlet Nozzles: Dual 360° rotatable nozzles on top for mist dispersion.
- Control Panel: Front-facing touch-sensitive panel with LED display for operation.
- Aroma Box: A small tray located at the side/back for adding essential oils.
- Humidity Sensor: Integrated sensor to detect ambient humidity.
- Remote Control: For convenient operation from a distance.
Setup
- Unpack: Carefully remove all packaging materials from the humidifier and its components.
- Placement: Place the humidifier on a firm, flat, water-resistant surface at least 12 inches (30 cm) away from walls and appliances. Ensure it is not placed on carpet or rugs.
- Fill Water Tank:
- Remove the water tank from the base.
- Unscrew the tank cap at the bottom of the tank.
- Fill the tank with clean, cool tap water or distilled water. Do not fill past the MAX line.
- Screw the tank cap back on tightly.
- Place the filled water tank back onto the humidifier base, ensuring it is seated correctly.
- Connect Power: Plug the power cord into a standard 120V, 60Hz electrical outlet. The humidifier will enter standby mode.
Operating Instructions
Basic Operation
- Power On/Off: Press the Power button (⏻) on the control panel or remote to turn the humidifier on or off.
- Mist Level Adjustment: Use the + and - buttons to cycle through 5 mist levels. The current mist level will be displayed on the LED screen.
- Mist Direction: Rotate the dual 360° nozzles on top of the humidifier to direct the mist flow as desired.
Warm and Cool Mist Functions
- Warm Mist: Press the Warm Mist button (☀) to activate the warm mist function. The humidifier will take approximately 10-15 minutes to heat up and produce warm mist.
- Cool Mist: The humidifier defaults to cool mist. If warm mist is active, press the Warm Mist button again to switch back to cool mist.
Humidity Control
- Auto Mode: Press the Auto button. The humidifier will automatically adjust its mist output to maintain a humidity level between 25-70% RH based on the ambient temperature.
- Manual Humidity Setting: Press the Humidity button (◉) repeatedly to set your desired humidity level from 30% to 80% RH in 5% increments. The humidifier will automatically turn off when the set humidity is reached and turn back on when the humidity drops below the set level.
Timer Function
- Press the Timer button (⏱) repeatedly to set a timer for 1 to 12 hours. The humidifier will automatically turn off when the timer expires.
Aroma Diffuser
- Pull out the aroma box located on the side of the humidifier.
- Add 2-3 drops of your favorite essential oil onto the aroma pad.
- Push the aroma box back into the humidifier.
- The humidifier will diffuse the aroma along with the mist.
- Important: Do not add essential oils directly into the water tank or base. This can damage the unit and void the warranty.
Maintenance
Regular cleaning is essential for optimal performance and to extend the lifespan of your humidifier. Clean the humidifier at least once a week.
Daily Maintenance
- Empty and rinse the water tank and base daily.
- Wipe down the exterior with a soft, dry cloth.
Weekly Cleaning
- Unplug: Always unplug the humidifier from the power outlet before cleaning.
- Empty Water: Remove the water tank and empty any remaining water from both the tank and the base.
- Clean Tank:
- Unscrew the tank cap.
- Use the included cleaning brush and a soft cloth to clean the inside of the tank.
- For mineral buildup, fill the tank with 1 cup (240 mL) of distilled white vinegar and let it soak for 30 minutes. Rinse thoroughly.
- Clean Base:
- Add 1 cup (240 mL) of distilled white vinegar to the base.
- Let it soak for 30 minutes.
- Use the cleaning brush to gently clean the heating plate and ultrasonic atomizer.
- Pour out the vinegar and rinse the base thoroughly with clean water. Do not let water enter the air vent.
- Clean Aroma Box: Remove the aroma pad and wipe the aroma box with a damp cloth. Replace the aroma pad as needed (typically every 6 months or when scent diminishes).
- Dry: Allow all parts to air dry completely before reassembling or storing.
Water Filter Maintenance
The water filter should be cleaned or replaced approximately every 6 months, or more frequently depending on water hardness and usage. Refer to the filter's specific instructions for cleaning or replacement.
Storage
When not in use for an extended period, clean the humidifier thoroughly as per weekly cleaning instructions. Store it in a cool, dry place.
Troubleshooting
If you encounter issues with your humidifier, please refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Humidifier does not turn on. | Not plugged in; power outage; unit damaged. | Ensure power cord is securely plugged in. Check household circuit breaker. If still not working, contact customer support. |
| No mist or low mist output. | Insufficient water; water tank not seated correctly; mineral buildup on atomizer; mist outlet blocked. | Refill water tank. Re-seat water tank firmly. Clean the ultrasonic atomizer and heating plate. Ensure mist outlet is clear. |
| White dust around humidifier. | Hard water used. | Use distilled or demineralized water. Clean the humidifier regularly to remove mineral deposits. |
| Water leakage. | Water tank cap loose; water added to base/air vent; unit placed on uneven surface; damaged tank. | Ensure tank cap is tightened. Do not overfill. Do not pour water into the air vent. Place on a flat surface. If tank is damaged, contact support. |
| Warm mist is not warm enough. | Not enough time for heating; heating element malfunction. | Allow 10-15 minutes for the warm mist function to fully activate. If issue persists, contact customer support. |
If your problem is not listed or persists after attempting the solutions, please contact Levoit Customer Support.
Specifications
| Feature | Detail |
|---|---|
| Model Name | LV550HH |
| Brand | Levoit |
| Capacity | 5.5 liters (1.45 Gallons) |
| Operation Mode | Ultrasonic |
| Max Cool Mist Output | 300 mL/h |
| Max Warm Mist Output | 450 mL/h |
| Runtime | Up to 36 hours (on Mist Level 1) |
| Coverage Area | Up to 753 ft² (70 m²) |
| Warm Mist Temperature | 104°F / 40°C |
| Power Supply | AC 120V, 60Hz |
| Special Feature | Quiet Operation, Aroma Diffuser, Humidity Sensor |
| Included Components | Water filter, Cleaning brush, User manual |
| Color | White |
Warranty and Support
Levoit provides a 1-year buyer assurance for the LV550HH Humidifier. You may have the option to extend this by 1 additional year. For detailed warranty information and to register your product, please visit the official Levoit website or contact their customer support.
Levoit offers lifetime support for this product. If you experience any issues or have questions regarding your humidifier, please contact Levoit customer service. Contact information can typically be found on the official Levoit website or on the product packaging.
Please have your model number (LV550HH) and purchase details ready when contacting support.
