Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Revesien HVAC Scent Diffuser. This waterless cold air diffuser is designed to distribute essential oils efficiently across large areas, up to 3000 square feet, making it suitable for homes, offices, and commercial spaces. Please read this manual thoroughly before using the device to ensure proper function and safety.
Important Safety Information
- Always use premium essential oils specifically designed for scent diffuser machines.
- Do not add water or use essential oils intended for humidifiers or spa treatments. Using incorrect liquids can damage the device and void the warranty.
- Keep the device out of reach of children and pets.
- Ensure the device is placed on a stable, level surface if not wall-mounted or connected to an HVAC system.
- Disconnect the power supply before performing any maintenance or refilling the oil.
- Do not block the air outlets or inlets during operation.
Product Overview
The Revesien HVAC Scent Diffuser utilizes advanced cold air diffusion technology to atomize essential oils into fine nanoparticles, ensuring consistent scent distribution without heat or water. It features a durable all-metal casing and offers flexible control options.

Figure 1: Revesien HVAC Scent Diffuser and its mobile application interface.
Key Features:
- Coverage: Up to 3000 square feet.
- Technology: Waterless cold air diffusion.
- Control: Integrated touch screen and Bluetooth-enabled mobile application.
- Material: Premium all-metal construction for durability.
- Installation: Desktop, wall-mounted, or direct HVAC duct connection.

Figure 2: Overview of the diffuser's main features, including coverage, waterless operation, and app control.
Setup
1. Unpacking and Initial Inspection
- Carefully remove all components from the packaging.
- Inspect the diffuser for any signs of damage. If damaged, do not use and contact customer support.
- Ensure all accessories are present: power adapter, HVAC duct connection kit (if applicable).
2. Filling with Essential Oil
- Locate the oil bottle compartment, typically accessed by opening a side panel or top cover.
- Unscrew the empty oil bottle (if pre-installed) or the cap of the new essential oil bottle.
- Carefully screw the essential oil bottle into the atomizer nozzle. Ensure it is securely tightened to prevent leaks.
- Close the compartment cover.
3. Placement Options
- Desktop Placement: Place the diffuser on a flat, stable surface in the desired area. Ensure adequate clearance around the device for optimal air circulation.
- Wall-Mounted: Use appropriate mounting hardware (not included) to secure the diffuser to a wall. Ensure it is mounted at a height that allows for effective scent distribution and easy access for maintenance.
- HVAC Connection: For whole-house coverage, connect the diffuser to your HVAC system using the dedicated HVAC duct. This allows the scent to be distributed through your existing ventilation system. Consult a professional if you are unsure about HVAC integration.

Figure 3: The diffuser can integrate with HVAC systems for broad scent distribution throughout a home.
4. Power Connection
Connect the power adapter to the diffuser's power input port, then plug it into a standard electrical outlet.
Operating Instructions
The Revesien Scent Diffuser offers control via its integrated touch screen and a dedicated mobile application.
1. Touch Screen Control
- Upon powering on, the touch screen will display the current time.
- Use the touch screen interface to set the local time.
- Navigate through the menus to adjust working times and scent concentration levels directly on the device.
2. Mobile Application Control (Bluetooth)
- Download the App: Search for "Aroma Messenger" in the Apple App Store (for iOS) or Google Play Store (for Android) and install it.
- Connect via Bluetooth: Enable Bluetooth on your smartphone. Open the "Aroma Messenger" app and follow the on-screen instructions to connect to your Revesien diffuser.
- Customize Settings: Once connected, you can flexibly set the working time, scent concentration, and create custom schedules for each day of the week directly from the app interface.

Figure 4: Steps for connecting and customizing settings using the mobile application.

Figure 5: The mobile app provides convenient control over the diffuser's functions.
Maintenance
1. Essential Oil Replacement
When the essential oil level is low, the diffuser's performance may decrease. Replace the oil bottle by following the steps outlined in the "Filling with Essential Oil" section under Setup.
2. Cleaning the Diffuser
Regular cleaning helps maintain optimal performance and extends the lifespan of your diffuser.
- Disconnect the power supply before cleaning.
- Remove the essential oil bottle.
- Wipe the exterior of the diffuser with a soft, damp cloth. Do not use abrasive cleaners or immerse the unit in water.
- To clean the atomizer nozzle, you may use a small amount of rubbing alcohol on a cotton swab to gently clean any residue. Ensure the nozzle is completely dry before reattaching the oil bottle.
- Allow all parts to air dry completely before reassembling and reconnecting power.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Diffuser not turning on | No power, loose connection | Check power adapter connection and wall outlet. Ensure the power switch is on. |
| No scent or weak scent | Empty oil bottle, clogged atomizer, low concentration setting | Refill oil bottle. Clean atomizer nozzle. Increase scent concentration via touch screen or app. |
| App not connecting | Bluetooth off, app issue, device too far | Ensure Bluetooth is enabled on your phone. Restart the app and diffuser. Move closer to the diffuser. |
| Oil leakage | Oil bottle not tightened, damaged seal | Ensure oil bottle is securely tightened. If leakage persists, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Revesien |
| Model Name | Revesien |
| Color | Black |
| Material | Metal |
| Coverage Area | Up to 3000 Sq. Ft. |
| Power Source | Corded Electric |
| Wattage | 12 watts |
| Product Dimensions | 6.2"L x 4.2"W x 9"H |
| Item Weight | 6.45 pounds (2.93 Kilograms) |
| Auto Shutoff | Yes |
Warranty and Support
Revesien is committed to your satisfaction. For warranty information, technical support, or any questions regarding installation or operation, please contact Revesien customer service. Refer to the product packaging or the official Revesien website for contact details.