1. Introdución
The Aromadd U5B Smart Scent Machine is a waterless essential oil diffuser designed for large spaces up to 3500 square feet. It utilizes advanced cold air diffusion and two-fluid technology to atomize essential oils into fine particles, ensuring efficient and consistent fragrance distribution without the need for heat or water. This device offers personalized scent experiences through Bluetooth app control and can be used as a standalone unit or integrated with an HVAC system.

Image 1.1: Aromadd U5B Smart Scent Machine highlighting its large coverage and waterless technology.
2. Información de seguridade
- Use essential oils responsibly.
- Keep the device and essential oils out of reach of children and pets.
- Asegúrese de que a zona onde se utilice o difusor teña unha ventilación axeitada.
- If you have sensitive skin or allergies, consult a healthcare professional before using essential oils with this device.
3. Contido do paquete
Verifica que todos os elementos estean presentes no paquete:
- Aromadd U5B Smart Scent Machine
- Essential Oil Bottle (600ml capacity)
- Adaptador de alimentación
- HVAC Connection Tube (for HVAC integration)
- Manual de usuario (este documento)
4. Configuración
4.1. Filling the Essential Oil Bottle
- Unlock the device cover using the provided key or magnetic card.
- Remove the empty essential oil bottle from the device.
- Carefully fill the bottle with your preferred waterless essential oil. Do not dilute with water.
- Securely reattach the atomizer head to the filled bottle.
- Insert the filled bottle back into the device and close the cover, ensuring it is locked.
4.2. Conexión de alimentación
Connect the power adapter to the device and then plug it into a standard electrical outlet.
4.3. Conexión da aplicación (Bluetooth)
Download the "Aromalink" app from your device's app store. Follow the in-app instructions to connect your Aromadd U5B Smart Scent Machine via Bluetooth for advanced control and scheduling.
Video 4.1: Quick Start Guide for the Aromadd App, demonstrating the app connection process.
4.4. HVAC System Connection (Optional)
The Aromadd U5B can be integrated with your HVAC system for whole-home scenting. Use the provided HVAC connection tube to connect the diffuser to your central air conditioning supply main duct or air return vent. Refer to the diagram below for proper installation.

Image 4.1: Diagrams illustrating connection to Ducted Central Air Conditioning System and Fresh Air Handling Unit System.
Video 4.2: Professional tips to avoid common mistakes when installing your HVAC diffuser.
5. Instrucións de funcionamento
5.1. Basic Operation (Touch Panel)
The device features a simple touch panel for direct control:
- Botón de encendido: Press to turn the device On or Off.
- Mode/Settings: Use the navigation buttons (up/down arrows) and 'ENT' button to adjust working modes, mist intensity, and timer settings directly on the device's display.
- Luz LED: The LED light at the bottom can be turned off by pressing the designated light button if desired.

Image 5.1: Simple Touch Panel for direct device control.
5.2. Control da aplicación (Bluetooth)
For comprehensive control, use the Aromalink app:
- Horarios personalizados: Set operating dates, specific times, mist intensity, working time, and rest time.
- Control remoto: Turn the device on/off, adjust fan speed, and change working modes from your smartphone.

Image 5.2: Smart Timer Function for scheduled operation via app.
5.3. Cold Air Diffusion Technology
The Aromadd U5B uses cold air diffusion, which atomizes essential oils without heat or water. This preserves the therapeutic properties of the oils and ensures a pure, consistent fragrance.
Video 5.3: Explanation of the cold air diffusion technology, highlighting its benefits over traditional mist diffusers.
6. Mantemento
6.1. Limpeza
Unha limpeza regular axuda a manter un rendemento óptimo:
- Apague e desenchufe o dispositivo antes de limpalo.
- Limpe o exterior cun pano suave e seco.
- For the essential oil bottle and atomizer head, gently clean with a small amount of rubbing alcohol if residue builds up. Ensure all parts are completely dry before reassembly.
6.2. Oil Refill
When the essential oil level is low, follow the instructions in Section 4.1 to refill the bottle. The 600ml capacity allows for extended use, up to 120 days, reducing the frequency of refills.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| No scent output | Oil bottle empty or improperly installed; atomizer clogged. | Refill oil bottle, ensure proper installation. Clean atomizer head. |
| O dispositivo non se acende | No power; device locked. | Check power connection. Ensure device is unlocked with key/magnetic card. |
| A aplicación non se conecta | Bluetooth off; device out of range. | Ensure Bluetooth is enabled on your phone. Move closer to the device. |
| Inconsistent scent | Low oil level; incorrect settings. | Refill oil. Adjust mist intensity and working/rest times via app or touch panel. |
8. Especificacións
| Característica | Detalle |
|---|---|
| Marca | Aromadd |
| Nome do modelo | U5B |
| Área de cobertura | Ata 3500 pés cadrados |
| Capacidade | 600 mililitros |
| Tecnoloxía | Cold Air Diffusion, Two-Fluid Technology |
| Control | Bluetooth App, Touch Panel |
| Dimensións (L x W x H) | 9.2" x 4" x 10.4" |
| Peso do elemento | 7.7 lbs (Product), 8.56 lbs (Item) |
| Material | Acrílico |
| Características especiais | Waterless, Noise-free, HVAC Compatible, Kids & Pet Friendly |
9. Garantía e soporte
For warranty information, technical support, or any inquiries regarding your Aromadd U5B Smart Scent Machine, please contact Aromadd customer service through the official website or your purchase platform. Keep your proof of purchase for warranty claims.



