1. Introduction
Thank you for choosing the JCLOUD Upgrade Smart Scent Air Machine. This device utilizes advanced cold air compression technology to efficiently diffuse essential oils into micro-particles, providing a consistent and long-lasting fragrance experience without the need for heat or water. Designed for large areas, it covers up to 2000 sq. ft., making it ideal for homes, hotels, and offices. This manual provides comprehensive instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and enjoyment of your new scent 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 during use.
- Use only pure aroma oils specifically designed for cold-air diffusion. Oils meant for reed diffusers or those diluted with carrier oils are too thick and can clog the system or prevent proper operation.
- Do not disassemble or attempt to repair the device yourself. Contact customer support for assistance.
- Unplug the device before cleaning or refilling.
3. Product Overview
The JCLOUD Scent Air Machine is a sleek, rectangular unit designed for efficient scent diffusion. It features a digital display for programming and control buttons. The device operates quietly and is designed for easy maintenance.

Figure 1: Front view of the JCLOUD Scent Air Machine, showcasing its minimalist design and digital display.

Figure 2: Key features of the JCLOUD Scent Air Machine, including waterless operation, long working time, pet-friendly design, coverage up to 2000 sq. ft., smart control, and HVAC connectivity.

Figure 3: Dimensions of the JCLOUD Scent Air Machine, measuring 6 inches in length, 14 inches in width, and 9 inches in height.
4. Setup
4.1. Installation
Follow these steps to install your JCLOUD Scent Air Machine. For visual guidance, please refer to the installation video below.
- Choose a suitable place: Select a stable, flat surface or a wall location near a power outlet and, if applicable, your HVAC system.
- Mark the bracket holes: Use the provided bracket to mark the drilling points on the wall.
- Drill holes at the marks: Carefully drill holes at the marked locations.
- Install the wall anchors: Insert the wall anchors into the drilled holes.
- Secure with screws: Attach the bracket to the wall using the provided screws, ensuring it is firmly secured.
- Hang on the machine: Carefully hang the scent machine onto the installed bracket.
4.2. Filling with Fragrance
- Remove the bottle: Open the machine's cover and carefully remove the empty fragrance bottle.
- Remove the atomizer head: Unscrew the atomizer head from the bottle.
- Fill with fragrance: Pour your desired pure essential oil into the bottle. Do not overfill.
- Screw the bottle tightly: Reattach the atomizer head and screw it tightly onto the bottle.
- Place it back in the machine: Insert the filled bottle back into the machine, ensuring it is seated correctly.
4.3. HVAC Connection (Optional)
For whole-home scenting via your HVAC system:
- Unscrew the cover: Locate the designated port on the machine and unscrew its cover.
- Install quick connectors: Insert the quick connectors into the ports on the machine.
- Connect PU tube: Attach the PU tube to the quick connector on the machine.
- Connect to HVAC duct adapter: Connect the other end of the PU tube to the quick connector on the HVAC duct adapter.
- Hole on AC duct: Ensure there is a pre-drilled hole on your AC duct for the adapter.
- Insert into the AC duct: Insert the HVAC duct adapter into the hole on your AC duct.
Video: How to Install HVAC System with JCLOUD Scent Air Machine. This video demonstrates the step-by-step process of installing the scent machine and connecting it to an HVAC system for widespread fragrance distribution.
4.4. Power On
- Plug the adapter in: Connect the power adapter to the machine and then plug it into a wall outlet.
5. Operating Instructions
5.1. Bluetooth App Control
The JCLOUD waterless aromatherapy diffuser is designed for easy control via a dedicated mobile application. Download the app, then use Bluetooth to connect it with your machine. Through the app, you can conveniently set the working time and scent grade (intensity) to customize your fragrance experience.
Important: The APP default password is 8888.
5.2. Manual Operation (Without App)
If you prefer not to use the app, the machine can still operate with a default process. In this mode, it will work for 5 seconds, then pause for 240 seconds, and repeat this cycle continuously.
5.3. Programming
The machine's display and buttons allow for direct programming of working schedules and scent intensity. Use the 'SET' and 'ENT' buttons along with the up/down arrows to navigate and adjust settings such as ON/OFF times and scent grades (G1-G9).

Figure 4: The machine's display showing scent grade selection options, allowing users to choose from 9 default grades or customize their own.

Figure 5: Various usage scenarios for the JCLOUD Scent Air Machine, including bedrooms, offices, bathrooms, family parties, hotels, SPAs, and yoga studios.
6. Maintenance
The JCLOUD scent air machine is designed for low maintenance. Since it uses cold air technology and does not require water, frequent cleaning is not necessary. However, regular care will ensure its longevity and optimal performance.
- Refilling: When the fragrance level is low, follow the steps in Section 4.2 to refill the bottle with pure essential oil.
- Exterior Cleaning: Wipe the exterior of the machine with a soft, dry cloth to remove dust or smudges. Avoid using abrasive cleaners or solvents.
- Atomizer Head: If you notice a decrease in scent output or suspect clogging, you may gently clean the atomizer head. Consult customer support for specific instructions on cleaning the internal components if needed.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No scent output or weak scent |
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| Machine not turning on |
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| App connection issues |
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8. Specifications
| Feature | Detail |
|---|---|
| Brand | JCLOUD |
| Model Name | A311-white |
| Color | White New Version |
| Recommended Uses | Home, Office |
| Material | Glass & Metal Cover |
| Power Source | Corded Electric |
| Capacity | 180 Milliliters |
| Coverage Area | Up to 2000 Square Feet |
| Product Dimensions | 6"L x 14"W x 9"H |
| Item Weight | 5.52 pounds |
| Wattage | 12 watts |
| Auto Shutoff | No |
| Included Components | Scent air machine |
9. Warranty & Support
Your satisfaction is our top priority. We are committed to providing exceptional customer service and are ready to assist you every step of the way. Whether you have questions about installation, need assistance choosing the aromatherapy diffuser, or encounter any issues, we're here to help.
A service card is included in your package. You can contact us via the brand mail or Amazon mail for support.



