1. Giới thiệu
The LEVOIT Smart Humidifier is designed to provide optimal humidity levels in your home, contributing to a healthier and more comfortable environment. This ultrasonic cool mist humidifier features a large 6-liter water tank, smart app and voice control capabilities, and an essential oil diffuser tray for aromatherapy.
Các tính năng chính:
- Extra Large Water Tank (6L) for extended operation up to 60 hours.
- Free VeSync App and Smart Controls for remote monitoring and adjustment.
- Ultra-Quiet Operation (≤ 30dB) for undisturbed sleep.
- Essential Oil Tray for aromatherapy diffusion.
- Automatic Shut-Off Function for safety.
- 360° Rotating Nozzle for wide mist coverage.
- Zero Light Pollution: Display light can be turned off completely.
- ETL Certified for Safety and Reliability.

Hình 1.1: Hếtview of the LEVOIT Smart Humidifier and its accompanying mobile application interface.
2. Thiết lập
2.1 Giải nén và đặt
Carefully remove all packaging materials. Place the humidifier on a flat, stable, and water-resistant surface. Ensure it is not placed directly on carpet or near heat sources.
2.2 Đổ đầy bể nước
The LEVOIT Smart Humidifier features a convenient top-fill design for easy refilling and cleaning.
- Tháo nắp trên của máy tạo độ ẩm.
- Pour distilled or purified water directly into the water tank. Avoid exceeding the maximum water line.
- Lắp lại nắp trên một cách an toàn.

Hình 2.1: Minh họa phương pháp đổ nước dễ dàng từ phía trên cho máy tạo độ ẩm.
2.3 Bật nguồn ban đầu
Plug the power cord into a suitable electrical outlet. The display will illuminate, indicating the device is ready for operation.
Video 2.1: A quick guide to the initial setup and easy operation of the humidifier.
Video 2.2: Essential tips and a key guide before using your LEVOIT Ultrasonic Humidifier.
3. Hướng dẫn vận hành
3.1 Bảng điều khiển Overview
The humidifier features an intuitive touch control panel on the front. The digital display shows current humidity and settings.

Figure 3.1: The control panel allows selection between Aromatherapy, Auto Mode, Sleep Mode, and Plant Mode.
3.2 Chế độ hoạt động
- Chế độ tự động: Advanced sensors automatically adjust mist levels to maintain a consistent and healthy humidity environment (default 40-50% RH).
- Chế độ thủ công: Manually select mist levels (Low, Medium, High) to suit your preference.
- Chế độ ngủ: Reduces mist output to low and turns off the display lights for a sleep-friendly atmosphere.
- Chế độ thực vật: Optimized settings for plant care, providing ideal humidity levels for various plant types.
3.3 Ứng dụng thông minh & Điều khiển bằng giọng nói
Download the free VeSync app to monitor and adjust your humidifier from anywhere. You can customize schedules, set target humidity levels, and control the device via voice commands.

Figure 3.2: The VeSync app provides comprehensive control and monitoring of your humidifier.
Video 3.1: Demonstrating the smart app control features of the humidifier for large rooms.
Video 3.2: A user's perspective on the various features and controls available with the humidifier.
3.4 Khuếch tán tinh dầu
Add essential oils to the dedicated aroma tray to infuse your space with pleasant scents. Ensure to use only pure essential oils and avoid direct contact with water in the main tank.

Figure 3.3: Location of the essential oil tray for aromatherapy.
4. Bảo trì
Regular cleaning and maintenance are crucial for optimal performance and longevity of your humidifier. Distilled or purified water is recommended to minimize mineral buildup.
4.1 Vệ sinh
The top-fill design makes cleaning easy. Use the included cleaning brush for thorough cleaning.
- Disconnect the humidifier from power before cleaning.
- Tháo nắp trên và bình chứa nước.
- Clean the water tank and base chamber regularly to prevent mineral buildup.
- Sử dụng bàn chải vệ sinh được cung cấp kèm theo để làm sạch những khu vực khó tiếp cận.
- Rinse all components thoroughly and allow them to air dry before reassembly.
4.2 Thay thế bộ lọc
To extend the life of your humidifier, replace the water filter as needed. Tìm kiếm "Levoit humidifier replacement filter" (e.g., B09ZY9N6PD) for compatible filters.
4.3 Aroma Pad Replacement
For continued effective fragrance diffusion, replace aroma pads regularly. Tìm kiếm "Levoit aroma pads" (e.g., B0B8MD45FB) for replacements.
KHAI THÁC. Xử lý sự cố
If you encounter issues with your humidifier, refer to the following common troubleshooting steps:
5.1 "No Water Indicator" Displayed Incorrectly
- Ensure the arrow above the LED display is aligned with the indicator line on the base, confirming the water tank is properly seated.
- Check the max water line; if there is too much water in the tank and base chamber, pour out the excess.
- Inspect and clean the Water Outlet Valve.
- Verify that the Float Brackets rotate smoothly and clean them if necessary.
5.2 General Operation Issues
- If the device is not producing mist, ensure it is properly plugged in and the water tank is filled and correctly positioned.
- For connectivity issues with the VeSync app, ensure your Wi-Fi network is stable and the humidifier is within range. Refer to the app's help section for specific pairing instructions.
6. Thông số kỹ thuật
| Tính năng | Chi tiết |
|---|---|
| Thương hiệu | LÊN |
| Tên mẫu | 300S cổ điển |
| Kích thước sản phẩm | 9.6"D x 7.5"W x 13.4"H (24.5 x 19.2 x 34 cm) |
| Trọng lượng sản phẩm | 4.3 pound (2 kg) |
| Dung tích bình chứa nước | 6 lít |
| Thời gian chạy tối đa | Lên đến 60 giờ |
| Tầm bắn hiệu quả | 215–505 ft² (20–47 m²) |
| Chế độ hoạt động | Siêu âm |
| Mức độ tiếng ồn | ≤ 30dB |
| Phương pháp kiểm soát | Ứng dụng, Điều khiển cảm ứng |
| Tính năng đặc biệt | Smart Control, Top Fill, Essential Oil Tray, Night Light, Auto Mode |
| Vật liệu | Không chứa BPA |
| Chứng nhận | Chứng nhận ETL |
7. Bảo hành và Hỗ trợ
7.1 Thông tin bảo hành
LEVOIT offers a satisfaction guarantee. If your product is defective, their California-based Customer Support Team is available to assist you and will send a replacement if needed.
7.2 Tài nguyên Bổ sung
For a complete user manual and further assistance, please refer to the official PDF document: