1. Introduction
The JCLOUD Smart Scent Air Machine utilizes advanced cold air diffusion technology to convert essential oils into fine micro-particles, effectively scenting areas up to 2000 sq. ft. This waterless and heatless diffusion method ensures the purity of essential oils and offers a consistent, long-lasting fragrance experience. This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your device.

Image 1.1: Front view of the JCLOUD Smart Scent Air Machine.
2. Safety Information
- Avoid direct skin contact with undiluted essential oils.
- Keep the device and essential oils out of reach of children and pets.
- Ensure proper ventilation in the area where the device is used.
- Do not block the air vents of the machine.
- Use only pure essential oils as recommended by the manufacturer.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- Unplug the device before cleaning or when not in use for extended periods.
3. Package Contents
Please verify that all items are present in the package:
- JCLOUD Smart Scent Air Machine (Model A311)
- Instruction Manual
- Power Adapter
- Essential Oil Bottle (pre-installed or separate, depending on package)
- HVAC Connection Kit (if applicable to your model)
4. Product Overview
The JCLOUD Smart Scent Air Machine is designed for efficient and mess-free aromatherapy. Key features include:
- Cold Air Diffusion Technology: Converts essential oils into micro-particles without heat or water.
- Bluetooth App Control: Manage settings, working time, and scent intensity via a smartphone app.
- Large Coverage Area: Effectively scents up to 2000 sq. ft.
- Waterless Operation: Eliminates the need for water, reducing maintenance and mess.
- HVAC Connect Compatibility: Allows for integration with HVAC systems for broader scent distribution.
- Kid & Pet Friendly: Uses pure essential oils without dilution, making it safe for environments with children and pets.

Image 4.1: Key features of the JCLOUD Smart Scent Air Machine.
Product Dimensions

Image 4.2: Dimensions of the JCLOUD Smart Scent Air Machine.
5. Setup
- Unpack the Device: Carefully remove the JCLOUD Smart Scent Air Machine and all accessories from its packaging.
- Place the Device: Position the device on a stable, flat surface in your desired location. Ensure it is away from direct sunlight, heat sources, and sensitive materials.
- Insert Essential Oil: Open the essential oil compartment (refer to the device diagram for location). Insert the bottle of pure essential oil into the designated slot. Ensure the bottle is securely attached to the diffusion nozzle.
- Connect Power: Plug the power adapter into the device and then into a standard electrical outlet. The device display should illuminate.
- HVAC Connection (Optional): If you intend to connect the device to your HVAC system, follow the specific instructions provided with the HVAC connection kit. This typically involves connecting a tube from the diffuser to your HVAC ductwork.
6. Operating Instructions
6.1 Bluetooth App Control
The JCLOUD Smart Scent Air Machine is primarily controlled via a dedicated Bluetooth application, offering comprehensive scheduling and intensity settings.
- Download the App: Search for the 'JCLOUD Scent' app (or similar, refer to packaging for exact name) on your smartphone's app store (iOS or Android).
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Connect to Device:
- Press the 'BT' button on the device (if available, or follow app instructions to enter pairing mode).
- Open the app and search for available devices. Select your JCLOUD machine from the list.
- Enter the default password: 8888.
- Set Working Time and Scent Grade: Use the app interface to customize the operating schedule (e.g., specific days, start/end times) and scent intensity (9 grades available, or custom settings).

Image 6.1: Steps for connecting the device to the mobile application.
6.2 Manual Operation (Default Mode)
If the app is not used, the machine will operate in a default mode:
- The device will operate for 5 seconds, then pause for 240 seconds.
- This cycle will repeat continuously.
- This is a standard operating pattern for cold air diffusers and does not indicate a malfunction.
6.3 Adjusting Scent Intensity and Schedule
Through the Bluetooth app, you can precisely control the scent output:
- Scent Grades: Choose from 9 predefined scent grades (G1-G9) to adjust the intensity.
- Custom Settings: The app allows for customized working intervals and durations to fine-tune the fragrance output to your preference.
- Scheduling: Set daily or weekly schedules for the diffuser to operate automatically.

Image 6.2: Setting scent grades and schedules via the device interface or app.
6.4 HVAC Connection
For scenting larger areas or distributing fragrance throughout an entire building, the JCLOUD Smart Scent Air Machine can be connected to your HVAC system.
- Refer to the specific instructions provided with your HVAC connection kit for detailed installation steps.
- Ensure proper sealing and placement of the connection tube to maximize scent distribution efficiency.

Image 6.3: HVAC connection for wide area scent distribution.
7. Maintenance
The JCLOUD Smart Scent Air Machine is designed for low maintenance due to its waterless operation. Regular cleaning helps ensure optimal performance and longevity.
- Exterior Cleaning: Wipe the exterior of the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Nozzle Cleaning: If you notice reduced scent output or clogging, gently wipe the diffusion nozzle with a cotton swab lightly dampened with rubbing alcohol. Ensure the device is unplugged before cleaning.
- Oil Bottle Replacement: When the essential oil bottle is empty, replace it with a new one. Ensure the new bottle is securely screwed into the diffusion mechanism.
- Storage: If storing the device for an extended period, remove the essential oil bottle, clean the nozzle, and store the device in a cool, dry place.
8. Troubleshooting
If you encounter issues with your JCLOUD Smart Scent Air Machine, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Power adapter not connected or faulty outlet. | Ensure the power adapter is securely plugged into both the device and a working electrical outlet. Test the outlet with another device. |
| No scent or weak scent output. | Empty essential oil bottle, clogged nozzle, low scent grade setting, or device in default mode. | Check if the essential oil bottle is empty and replace if necessary. Clean the diffusion nozzle. Increase the scent grade setting via the app. If in default mode, consider using the app for more control. |
| Bluetooth app cannot connect to the device. | Bluetooth not enabled, device not in pairing mode, incorrect password, or app issue. | Ensure Bluetooth is enabled on your phone. Press the 'BT' button on the device to enter pairing mode. Verify the default password (8888). Restart the app and try again. |
| Device is making unusual noise. | Obstruction in the fan or pump mechanism. | Unplug the device and inspect for any visible obstructions. If the noise persists, contact customer support. |
If the problem persists after attempting these solutions, please contact JCLOUD Customer Support for further assistance.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | JCLOUD |
| Model Name | A311 |
| Color | Black |
| Recommended Uses | Home, Office, Large Rooms |
| Material | Plastic, Resin |
| Special Features | No water needed, HVAC compatible, Smart Bluetooth control, Kids & pets friendly, Pure essential oils only |
| Power Source | Corded Electric |
| Essential Oil Capacity | 100 Milliliters |
| Coverage Area | Up to 2000 Square Feet |
| Wattage | 10 watts |
| Product Dimensions (L x W x H) | 6.89" x 3.5" x 10.24" |
| Auto Shutoff | Yes |
| Item Weight | 5.5 pounds |
| UPC | 769326894648 |
10. Warranty and Support
10.1 Product Warranty
The JCLOUD Smart Scent Air Machine (Model A311) comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims.
10.2 Customer Support
JCLOUD is committed to providing exceptional customer service. If you have any questions, require assistance with installation, operation, or troubleshooting, or need to make a warranty claim, please contact us:
- Via Brand Mail: Refer to the service card included in your package for contact details.
- Via Amazon Mail: Contact us through the Amazon messaging system.
Our team is ready to assist you every step of the way to ensure your satisfaction.



