1. Introduction and Overview
The Sejoy 5L Ultrasonic Cool Mist Humidifier is designed to improve air quality and humidity levels in various indoor environments. With its large 5-liter capacity, it can operate for up to 24 hours on a single fill, making it suitable for large rooms, bedrooms, nurseries, and spaces with plants. Key features include a convenient top-fill design, ultra-quiet operation (below 38dB), a built-in essential oil diffuser, 360-degree rotating dual nozzles, two adjustable mist levels, and remote control functionality. The humidifier also incorporates dry protection, automatically shutting off when the water tank is empty to ensure safety and prolong device lifespan.
Image 1.1: The Sejoy 5L Ultrasonic Cool Mist Humidifier with its remote control, demonstrating mist output.
2. Product Components
Before initial use, please ensure all components are present and in good condition:
- Humidifier Main Unit (Base and Water Tank)
- Top Cover with Dual Nozzles
- Remote Control
- User Manual (this document)
3. Setup Instructions
- Unpack the Humidifier: Carefully remove all packaging materials and place the humidifier on a flat, stable, and water-resistant surface. Ensure it is away from direct sunlight, heat sources, and electronic devices.
- Fill the Water Tank: The Sejoy humidifier features a top-fill design for easy refilling. You can either pour water directly into the tank through the top opening or remove the tank using its built-in handle and fill it under a tap. For optimal performance and to prevent mineral buildup, it is recommended to use filtered or purified water.
Image 3.1: Demonstrating the top-fill method for adding water to the humidifier.
- Add Essential Oils (Optional): Locate the built-in aromatherapy box on the side or bottom of the humidifier. Pull out the tray and add a few drops of your favorite essential oil onto the sponge pad. Important: Do not add essential oils directly into the water tank, as this can damage the humidifier.
Image 3.2: Correct method for adding essential oils to the humidifier's aromatherapy box.
- Connect to Power: Plug the power cord into a standard electrical outlet. The humidifier is now ready for operation.
4. Operating Instructions
The Sejoy humidifier can be operated using the touch panel on the unit or the included remote control.
4.1 Power On/Off
- Press the Power button (⏻) on the touch panel or remote control to turn the humidifier on or off.
4.2 Adjusting Mist Levels
- The humidifier has two adjustable mist output levels (Low and High).
- Press the Mist Level button (💧) on the touch panel or remote control to cycle between the two settings.
4.3 Sleep Mode
- Activate Sleep Mode by pressing the Sleep Mode button (Zz) on the remote control. In this mode, the indicator lights will dim or turn off, and the humidifier will operate at its quietest setting for undisturbed rest.
Image 4.1: The humidifier's quiet operation in Sleep Mode, ideal for bedrooms.
4.4 Remote Control Usage
- The included remote control allows for convenient operation from a distance. It features buttons for Power, Mist Level, and Sleep Mode.
Image 4.2: Operating the humidifier using the remote control.
4.5 360-Degree Rotating Nozzles
- The dual nozzles on top of the humidifier can be manually rotated 360 degrees to direct the mist in any desired direction, ensuring even humidity distribution.
4.6 Dry Protection Auto-Shutoff
- The humidifier is equipped with an automatic shut-off feature that activates when the water tank is empty, preventing damage to the unit and ensuring safety.
5. Maintenance
Regular cleaning is essential to maintain the humidifier's efficiency and prevent the buildup of mold, mildew, and mineral deposits.
5.1 Daily Maintenance
- Empty and rinse the water tank daily.
- Wipe down the inside of the tank and the base with a clean cloth.
5.2 Weekly Cleaning
- Unplug the Humidifier: Always ensure the unit is unplugged from the power outlet before cleaning.
- Disassemble: Remove the top cover and the water tank from the base.
- Clean the Water Tank: Due to its wide opening, the water tank is easy to clean. Use a soft brush or cloth and a mild detergent to clean the interior of the tank. For mineral deposits, a solution of white vinegar and water (1:1 ratio) can be used. Let it sit for 30 minutes, then rinse thoroughly.
Image 5.1: The wide opening of the water tank facilitates easy cleaning.
- Clean the Base: Carefully wipe the inside of the base, especially the ultrasonic transducer (the small disc that produces mist), with a soft cloth dampened with white vinegar. Do not submerge the base in water.
- Clean the Essential Oil Box: Remove the essential oil tray and clean the sponge pad. Replace if necessary.
- Rinse and Dry: Rinse all cleaned parts thoroughly with clean water until no vinegar or detergent smell remains. Allow all components to air dry completely before reassembling.
5.3 Storage
If the humidifier will not be used for an extended period, clean it thoroughly as per weekly cleaning instructions, ensure all parts are completely dry, and store it in a cool, dry place away from direct sunlight.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output |
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| Water leaking from unit |
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| Unusual noise during operation |
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| Unpleasant odor from mist |
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7. Specifications
| Feature | Detail |
|---|---|
| Brand | Sejoy |
| Model Name | air humidifier, cool mist humidifier |
| Item Model Number | 6970392219738 |
| Operation Mode | Ultrasonic |
| Water Tank Capacity | 5 Liters (1.32 Gallons) |
| Mist Output | Up to 350 mL/h (2 adjustable levels) |
| Run Time | Up to 24 hours (on low setting) |
| Noise Level | Less than 38dB |
| Special Features | Quiet, Remote Control, Top Fill, Essential Oil Diffuser, Dry Protection Auto-Shutoff, 360-Degree Rotating Nozzle, Sleep Mode |
| Color | White |
| Control Method | Remote, Touch Panel |
| Voltage | 230 Volts |
| Wattage | 188.6 watts |
| Product Dimensions | 8.27 x 8.27 x 19.69 inches |
| Item Weight | 3.94 pounds (1.79 Kilograms) |
| Room Type | Living Room, Bedroom, Baby Room, Office |
8. Warranty and Support
Sejoy products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your purchase or contact Sejoy customer support directly. If you encounter any issues not covered in this manual or require further assistance, please reach out to our customer service team through the contact information provided on the product packaging or the official Sejoy website.
