1. Introduction
Thank you for purchasing the Sejoy JSQ-11001 Humidifier. This manual provides important information regarding the safe operation, installation, maintenance, and troubleshooting of your new appliance. Please read this manual thoroughly before use and retain it for future reference.
Important Safety Instructions
- Always place the humidifier on a firm, flat, waterproof surface at least 12 inches (30 cm) away from walls and appliances.
- Do not immerse the base unit in water or other liquids.
- Unplug the humidifier before filling, cleaning, or moving it.
- Do not operate the humidifier with a damaged cord or plug.
- Keep out of reach of children and pets.
- Use only clean, cool tap water. Distilled or demineralized water is recommended to prevent mineral buildup.
- Do not add essential oils directly into the water tank; use the designated essential oil box.
2. Product Overview
The Sejoy JSQ-11001 is a large-capacity ultrasonic cool mist humidifier designed for efficient humidification in bedrooms and large rooms. It features a generous 2.1-gallon (8-liter) water tank, ensuring extended operation without frequent refills.
Key Features
- Large Capacity: 2.1 Gallon / 8 Liter water tank for prolonged use.
- Top Fill Design: Easy and convenient water refilling.
- 3 Mist Volume Levels: Adjustable mist output to suit your needs.
- Constant Humidity: Maintains desired humidity levels automatically.
- Built-in Night Light: Provides a soft glow for nighttime use.
- UV-A Sterilization: Helps ensure cleaner mist output.
- 12H Timing: Programmable timer for automatic shut-off.
- Water Shortage Protection: Automatically turns off when water level is low.
- Easy to Clean: Designed for simple and hassle-free maintenance.
- Essential Oil Diffuser: Integrated box for aromatherapy.
- Quiet Operation: Operates at less than 32dB, ideal for sleeping environments.
Product Components

Image: The Sejoy JSQ-11001 Humidifier, showcasing its sleek black design and a graphic overlay highlighting features like 2.1 Gallon capacity, top fill, 3 mist volumes, constant humidity, built-in night light, UV-A sterilization, 12H timing, water shortage protection, easy cleaning, and essential oil diffuser.
The humidifier consists of a base unit, a large water tank with a transparent water level indicator, a top-fill opening, a 360° rotatable mist nozzle, a control panel with a digital display, and an essential oil box.
3. Setup
3.1 Unpacking
- Carefully remove the humidifier from its packaging.
- Remove all packaging materials, including any protective films or tapes.
- Inspect the humidifier for any signs of damage. If damaged, do not use and contact customer support.
3.2 Placement
- Place the humidifier on a flat, stable, and waterproof surface.
- Ensure it is at least 12 inches (30 cm) away from walls, furniture, and electronic devices to prevent moisture damage.
- Do not place it on carpet or absorbent surfaces.
3.3 Filling the Water Tank

Image: A close-up view demonstrating the top-fill design, with hands pouring water directly into the humidifier's opening, and an arrow indicating the 360° rotatable nozzle.
- Ensure the humidifier is unplugged from the power outlet.
- Open the top cover of the humidifier.
- Pour clean, cool tap water directly into the water tank through the top opening. Do not exceed the 'MAX' fill line indicated on the tank.
- Close the top cover securely.
3.4 Power Connection
- Plug the power cord into a standard electrical outlet (230V).
- The humidifier is now ready for operation.
4. Operating Instructions
The Sejoy JSQ-11001 Humidifier can be operated via its touch control panel or the included remote control.
4.1 Power On/Off
- Press the Power button (O) on the control panel or remote to turn the humidifier on or off.
- The digital display will illuminate when the unit is powered on.
4.2 Adjusting Mist Volume

Image: The humidifier releasing mist into a large room, illustrating its coverage area of 100-500 sq ft. Below, three icons depict different mist levels, from low to high, indicating adjustable output.
- Press the Mist button ()))) repeatedly to cycle through the 3 mist volume levels (Low, Medium, High).
- The current mist level will be indicated on the display.
4.3 Setting Constant Humidity
- Press the Humidity button (%) to set your desired humidity level.
- The humidifier will automatically adjust its mist output to maintain the set humidity.
- The display will show the current room humidity.
4.4 Timer Function
- Press the Timer button (Clock icon) to set the operating time.
- You can set the timer for up to 12 hours. The humidifier will automatically turn off once the set time expires.
4.5 Night Light
- Press the Night Light button (Light bulb icon) to turn the built-in night light on or off.
4.6 Essential Oil Diffuser

Image: The top section of the humidifier, illustrating how to clean the interior with a cloth. Below, a separate image shows the built-in essential oil box, with a hand adding drops of essential oil into it.
- Locate the essential oil box on the side or back of the humidifier.
- Add a few drops of your preferred essential oil onto the aroma pad inside the box.
- Do not add essential oils directly into the water tank.
4.7 Quiet Operation and Remote Control

Image: A Sejoy humidifier operating quietly in a bedroom where a person is sleeping peacefully, emphasizing its low noise level (less than 32dB). An inset shows the remote control for convenient operation.
- The humidifier operates quietly (below 32dB), making it suitable for bedrooms and quiet environments.
- Use the provided remote control to conveniently adjust settings from a distance.
5. Maintenance
Regular cleaning is essential for optimal performance and hygiene. It is recommended to clean the humidifier every two weeks.
5.1 Daily Maintenance
- Unplug the unit and empty any remaining water from the tank.
- Rinse the water tank and refill with fresh, cool water.
5.2 Weekly Cleaning
- Unplug the humidifier and empty all water from the tank and base.
- Cleaning the Water Tank: Wipe the inside of the water tank with a soft cloth. For mineral buildup, fill the tank with a mixture of white vinegar and water (1:1 ratio) and let it soak for 30 minutes, then rinse thoroughly.
- Cleaning the Base Unit: Gently wipe the surface of the base unit and the ultrasonic transducer with a soft, damp cloth. Do not use abrasive cleaners or scrub the transducer.
- Cleaning the Essential Oil Box: Remove the aroma pad and clean the box with a damp cloth. Replace the aroma pad if it is discolored or no longer absorbs oils effectively.
- Rinse all components thoroughly with clean water and allow them to air dry completely before reassembling.
5.3 Storage
- Before storing, ensure the humidifier is completely clean and dry.
- Store the unit in a cool, dry place, away from direct sunlight.
6. Troubleshooting
If you encounter issues with your humidifier, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output | Low water level Mineral buildup on transducer Mist nozzle blocked | Refill water tank Clean the transducer with vinegar solution Check and clear the mist nozzle |
| Unusual odor | Stagnant water New unit smell | Clean the tank and refill with fresh water Operate for a few hours in a well-ventilated area |
| Water leakage | Tank not properly seated Overfilled tank Damaged tank | Ensure tank is correctly placed Do not exceed MAX fill line Contact customer support |
| Humidifier not turning on | No power Water shortage protection activated | Check power connection Refill water tank |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Sejoy |
| Model | JSQ-11001 |
| Color | Black |
| Product Dimensions | 20.5 x 20.5 x 64.5 cm |
| Capacity | 2.1 Gallons (8 Liters) |
| Voltage | 230 Volts |
| Item Weight | 2.5 Kilograms |
| Power Source | Corded Electric |
| Manufacturer | sejoy |
8. Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or contact the retailer where you purchased the humidifier. You may also visit the official Sejoy website for further assistance.





