Introduction
This manual provides detailed instructions for the safe and efficient operation, maintenance, and troubleshooting of your Jingkey HQ-JS915 Humidifier. Please read this manual thoroughly before using the appliance and retain it for future reference.
The Jingkey HQ-JS915 is a large-capacity humidifier designed to balance indoor humidity, featuring adjustable humidity control, low water indicator, quiet operation, smart app connectivity, and a water level window. It has a 7-liter capacity and can provide continuous misting for up to 60 hours.
Safety Information
- Always place the humidifier on a firm, flat, water-resistant surface.
- Do not place the humidifier near heat sources or in direct sunlight.
- Keep out of reach of children and pets.
- Use only clean, cool tap water. Distilled water is recommended to prevent white dust.
- Do not add water into the mist nozzle.
- Unplug the unit before cleaning or refilling.
Product Components
Familiarize yourself with the main parts of your humidifier:
- Top Lid / Mist Outlet
- Control Panel / Display
- Water Tank (7L capacity)
- Water Level Window
- Base Unit
- Power Cord
- Essential Oil Tray
- Remote Control

Image: Front view of the Jingkey HQ-JS915 Humidifier, highlighting the control panel and water level window.
Setup and Initial Use
1. Unpacking
Carefully remove all packaging materials and place the humidifier on a flat, stable surface.
2. Filling the Water Tank
- Remove the top lid of the humidifier.
- Fill the water tank directly from the top opening with clean, cool tap water. Do not exceed the "MAX" fill line (7L). Distilled water is recommended to prevent mineral buildup and white dust.
- Do not pour water into the mist nozzle.
- Replace the top lid, ensuring it is securely seated. Align the front mark on the lid with the matching side of the tank opening, then press down until it clicks into place.

Image: A person demonstrating how to fill the humidifier from the top, emphasizing not to pour water into the nozzle.
Video: This video demonstrates the correct installation of the tank cap, showing how to align and secure the top lid after filling the water tank.
3. Power Connection
Plug the power cord into a standard electrical outlet.
4. Smart App Connection (Optional)
To utilize smart features, follow these steps to connect your humidifier to the Tuya Smart App:
- Ensure Bluetooth is enabled on your mobile device.
- Download the "Tuya Smart" app from your device's app store.
- On the humidifier, long-press the WiFi button for 3 seconds until the indicator blinks.
- Open the Tuya Smart App and add a new device. Select "Small Home Appliances" then "Humidifier (Wi-Fi)".
- Confirm the indicator on the humidifier is blinking.
- Input your WiFi network name and password.
- Once connected, the app will confirm "Smart humidifier Added successfully".
- You can now control the humidifier via the app.

Image: A visual guide detailing the nine steps to connect the humidifier to the Tuya Smart App for WiFi control.
Operating Instructions
Control Panel and Remote Control
The humidifier can be operated using the touch control panel on the unit, the included remote control, or the Tuya Smart App.

Image: Close-up of the humidifier's control panel with various function buttons.

Image: A hand holding the remote control for the Jingkey Humidifier, showing its buttons and functionality within a 4-meter range.
Functions:
- Power On/Off: Press the power button to turn the unit on or off.
- Mist Level Adjustment: Cycle through 4 mist levels (Low, Medium, High, Max) by pressing the mist button.
- Customized Humidity: Set your desired humidity level. The humidifier will automatically adjust mist output to maintain this level.
- Timer: Set an operating timer for 1 to 12 hours. The unit will automatically shut off when the timer expires.
- Sleep Mode: Activates quiet operation and dims the display lights for undisturbed sleep.
- Color Light: Cycle through 7 soft night light colors or set to auto-color changing mode.
- WiFi: Activates or deactivates WiFi connectivity for app control.
Essential Oil Tray
To use essential oils, locate the essential oil tray on the side of the humidifier. Add a few drops of your preferred essential oil to the aroma pad inside the tray. Do not add essential oils directly into the water tank.

Image: The humidifier with a close-up showing the essential oil tray and how to add essential oils.
360° Nozzle
The mist nozzle can be rotated 360 degrees to direct the mist in any desired direction.

Image: A close-up of the humidifier's top, illustrating the 360-degree rotatable mist nozzle.
Maintenance
Daily Maintenance
- Empty the water tank and base daily.
- Rinse the tank and base with fresh water.
- Refill with fresh, cool water.
Weekly Cleaning
Regular cleaning is essential to prevent mineral buildup and ensure optimal performance.
- Unplug the humidifier.
- Remove the top lid and empty any remaining water from the tank and base.
- Fill the water tank with 1 cup of white vinegar and 1 cup of water. Let it soak for 30 minutes.
- Use a soft brush or cloth to clean the inside of the tank and the ultrasonic nebulizer.
- Rinse thoroughly with clean water until the vinegar smell is gone.
- Wipe the exterior with a soft, damp cloth.
- Ensure all parts are dry before reassembling.
Note: Do not immerse the base unit in water.
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 |
|
|
| White dust around humidifier | Hard water used | Use distilled or demineralized water. Clean the unit regularly. |
| Unusual odor |
|
|
| Humidifier not turning on |
|
|
Specifications
- Brand: Jingkey
- Model Name: HQ-JS915
- Special Features: Adjustable Humidity Control, Low Water Indicator, Quiet, Smart App, Water Level Window
- Capacity: 7 Liters (1.85 Gallons)
- Product Dimensions: 7"D x 7"W x 24"H
- Item Weight: 4.6 Pounds (approx. 2.09 kg)
- Max Mist Output: 350 ML/H
- Coverage Area: Up to 500 Sq.Ft.
- Runtime: Up to 60 Hours
- Noise Level: Approximately 35dB
- Included Components: 1 X Humidifier, Remote Control, User Manual
Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official Jingkey website. If you require technical support or have questions not covered in this manual, please contact Jingkey customer service.
Contact information can typically be found on the product packaging or the manufacturer's website.





