1. Product Overview
The Aromadd U5 Pro is an advanced HVAC scent diffuser designed for whole-home fragrance. It utilizes cold-air diffusion technology to atomize fragrance oils into ultra-fine particles, providing consistent scent coverage for areas up to 3,500 sq.ft. This device can be integrated with your home's HVAC system or used as a standalone unit. It features smart app control, a remote control, and an intelligent oil level monitoring system.

2. Safety Information
Please read and follow these safety guidelines to ensure proper operation and prevent damage or injury:
- Use only compatible diffuser oils.
- Keep the device away from children and pets.
- Place the diffuser on a stable, level surface.
- Clean the diffuser regularly to help maintain consistent fragrance performance.
3. Package Contents
Verify that all items are present in the package:
- 1 x Aromadd U5 Pro Diffuser machine (fragrance oil not included)
- 1 x Power Adapter
- 1 x Remote Control
- 1 x User Manual
- HVAC Accessories (tubing, connectors)
- Wall Mount Hardware
- Keys (for safety lock)

4. Product Features
- Advanced Cold-Air Diffusion: Atomizes oils into ultra-fine 1µm particles for consistent aroma without heat or water.
- HVAC Whole-Home Coverage: Scents areas up to 3,500 sq.ft. via direct HVAC connection or as a standalone unit.
- Smart App Control: Monitor oil levels, create up to 5 customized schedules, and adjust mist intensity via Bluetooth.
- Long-Range Remote Control: Operate the unit from up to 15 meters (50 ft) with 7 mist levels and timer functions (30 minutes to 24 hours).
- 600mL Large Capacity: Provides months of continuous fragrance with fewer refills.
- Ultra-Low Consumption: Operates efficiently at 0.0011 ml/sec.
- Quiet Operation: Low-noise atomizer ensures minimal disturbance.
- Durable Construction: Features an acrylic front panel and aluminum alloy body.


5. Setup Instructions
5.1 Installing the Fragrance Bottle
- Unlock the diffuser's top cover using the provided key.
- Carefully remove the empty fragrance bottle (if applicable) or uncap the new bottle.
- Screw the atomizer head onto the fragrance oil bottle securely.
- Insert the assembled bottle and atomizer head back into the diffuser.
- Close and lock the top cover.
5.2 App Setup and Pairing
- Download the "AROMADD" App from the App Store or Google Play.
- Ensure Bluetooth is enabled on your smartphone.
- Open the AROMADD App and follow the on-screen instructions to add your device.
- The app will guide you through the pairing process.
5.3 HVAC System Connection (Optional)
For whole-house scenting, connect the diffuser to your HVAC system's air duct. This process typically takes 5-10 minutes.
- Identify a suitable location on your HVAC system's main air supply duct.
- Drill small holes into the duct as indicated in the HVAC accessory instructions.
- Insert the scent tubes, ensuring they point in the direction of the airflow.
- Connect the tubes from the diffuser to the installed fittings on the duct.
- Secure all connections to prevent leaks.

6. Operating Instructions
6.1 Using the Remote Control
The included remote control allows for convenient operation of your diffuser from a distance of up to 15 meters (50 ft).
- Power On/Off: Press the power button to turn the unit on or off.
- Mist Intensity: Select from 7 mist levels (L1-L7) to adjust fragrance intensity. Higher levels provide more frequent and longer diffusion cycles.
- Timer Function: Set the diffuser to operate for specific durations (e.g., 30 minutes, 1 hour, 3 hours, 6 hours, 12 hours, 24 hours).


6.2 Using the AROMADD App
The AROMADD App provides advanced control and monitoring capabilities:
- Oil Level Monitoring: View the remaining fragrance oil level as a percentage in real-time.
- Custom Schedules: Create up to 5 personalized schedules, setting specific days, time slots, and mist intensity levels for automated operation.
- Manual Control: Turn the unit on/off and adjust mist intensity directly from the app.

7. Maintenance
Regular maintenance ensures optimal performance and longevity of your Aromadd U5 Pro diffuser.
- Cleaning: For best scent experience, clean the diffuser regularly. Refer to the user manual for detailed cleaning instructions.
- Oil Compatibility: Use only pure fragrance oils specifically formulated for waterless diffusers. Incompatible oils may cause clogging or damage.
- Refilling: When the oil level is low, replace the fragrance bottle following the installation steps in Section 5.1.
8. Troubleshooting
If you encounter issues with your Aromadd U5 Pro diffuser, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No scent output | Low or empty oil bottle; clogged atomizer; power issue. | Check oil level and refill if necessary. Clean the atomizer head. Ensure the power adapter is securely connected. |
| Device not turning on | No power; power adapter not connected. | Verify power connection. Try a different power outlet. |
| App not connecting | Bluetooth off; device out of range; app error. | Ensure Bluetooth is on. Move closer to the diffuser. Restart the app and try pairing again. |
| Weak scent | Low intensity setting; large coverage area; old oil. | Increase mist intensity via app or remote. Ensure appropriate placement for coverage. Replace old fragrance oil. |
If the problem persists, please contact customer support for further assistance.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Aromadd |
| Model Name | U5 PRO B |
| Color | Jet Black |
| Coverage Area | Up to 3,500 sq.ft |
| Capacity | 600 ml |
| Dimensions (L x W x H) | 9.2" x 4" x 10.4" |
| Weight | 7.7 lb |
| Material | Acrylic Front Panel, Aluminum Alloy Body |
| Mounting Type | Wall Mount / Tabletop |
| Runtime | Up to 24 hours (continuous, depending on settings) |
| Control Methods | Smart App (Bluetooth), Remote Control, Touch Screen |
| Noise Level | Low-noise atomizer (approx. 40dB) |
10. Warranty and Support
The Aromadd U5 Pro HVAC Scent Diffuser comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please contact Aromadd customer service through the official website or the contact information provided in your product packaging.
You can also visit the Aromadd Store on Amazon for additional resources and product information.

