1. Introducció
The Refoss Mini Wi-Fi Relay Switch R10 is a compact smart module designed to convert traditional light switches into smart switches. It integrates with Home Assistant via IP address and offers control through a web portal or the Refoss application. Key features include real-time energy monitoring, voice control compatibility with Alexa and Google, remote control, and scheduling capabilities. This manual provides detailed instructions for installation, operation, and troubleshooting.

Image 1: Two Refoss Mini Wi-Fi Relay Switches. These compact devices are designed to be installed behind existing light switches.
2. Característiques del producte
- Disseny compacte: Measures 4.3 x 4.3 x 1.9 cm, allowing for installation within standard switch boxes.
- Home Assistant & Web Portal Integration: Supports direct integration via IP address for configuration and control without a dedicated app.
- Static IP & Cloud Functionality: Option to set a static IP and disable cloud services for local-only control and data storage (last 24 hours of energy consumption).
- Mesura actual: Monitors real-time energy consumption to help optimize energy usage and reduce electricity costs.
- Control de veu: Compatible amb Amazon Alexa i Google Home per a un funcionament amb mans lliures.
- Comandament a distància: Manage your lights from anywhere using the free Refoss application.
- Scheduling & Scenarios: Create custom schedules and countdown timers to automate lighting based on daily routines.
- No es requereix concentrador: Es connecta directament a la teva xarxa Wi-Fi de 2.4 GHz existent.
- Disseny de seguretat: Features 10A Max current rating, pure copper terminals, and PC flame retardant material.

Imatge 2: acabatview of the Refoss Mini Wi-Fi Relay Switch's features and compact dimensions.
3. Configuració i instal·lació
3.1 Precaucions de seguretat
- ADVERTIMENT: Always turn off power at the circuit breaker before performing any electrical work.
- Ensure you have a basic understanding of electrical wiring. If unsure, consult a qualified electrician.
- A neutral wire is required for the installation of this device.
- This device supports 2.4 GHz Wi-Fi networks only.
3.2 Esquema de cablejat
The Refoss Mini Wi-Fi Relay Switch requires a neutral wire for proper operation. Below is a typical wiring diagram for integrating the smart module with an existing light switch.

Image 3: Wiring diagram for integrating the Refoss Mini Wi-Fi Relay Switch with a traditional light switch. Note the requirement for a neutral wire.
- L: Live wire input.
- N: Neutral wire input.
- O: Output to the light fixture (Load-1).
- SW: Switch input (connects to the traditional wall switch).
- 12 V: Not used for standard light switch applications.
Ensure all connections are secure and insulated. After wiring, carefully place the module into the switch box.
3.3 Initial Configuration (Refoss App)
- Download the Refoss app from your device's app store.
- Creeu un compte o inicieu sessió.
- Follow the in-app instructions to add your new Refoss Mini Wi-Fi Relay Switch. This typically involves putting the device into pairing mode and connecting it to your 2.4 GHz Wi-Fi network.
- Once connected, you can rename the device and configure basic settings.
3.4 Home Assistant and Web Portal Integration
The device supports integration with Home Assistant via its IP address. This allows for advanced configuration and control through a web interface, bypassing the need for the Refoss app for daily operation.
- Identify the IP address of your Refoss Mini Wi-Fi Relay Switch within your router's connected devices list or through the Refoss app.
- Accedir al dispositiu web portal by entering its IP address into a web navegador.
- Follow the on-screen instructions to integrate with Home Assistant or configure settings directly.

Imatge 4: Ex.ample of Home Assistant interface, demonstrating web portal control.
4. Instruccions de funcionament
4.1 Remote Control via Refoss App
Once the device is configured in the Refoss app, you can control it remotely from anywhere with internet access.
- Open the Refoss app on your smartphone or tablet.
- Select the desired switch from your device list.
- Tap the on/off icon to toggle the connected light or appliance.

Image 5: Remote control of devices via the Refoss application.
4.2 Control per veu (Alexa/Google Home)
Integrate your Refoss switch with Amazon Alexa or Google Home for convenient voice control.
- Ensure your Refoss account is linked to your Alexa or Google Home app.
- Discover new devices in your smart home assistant app.
- Utilitzeu ordres com ara:
- "Alexa, activa [Nom del dispositiu]."
- "Ei Google, desactiva [Nom del dispositiu]."
- "Alexa, set [Device Name] to 50%." (If dimming is supported by the connected fixture)

Image 6: Voice control functionality with Amazon Alexa and Google Home.
4.3 Scheduling and Scenarios
Automate your lighting by setting schedules and creating smart scenarios within the Refoss app or Home Assistant.
- Horaris: Set specific times for the switch to turn on or off daily or on selected days of the week. For example, turn on lights at sunset and off at sunrise.
- Temporitzador de compte enrere: Set a timer for the switch to turn off after a specified duration.
- Escenaris: Create custom rules based on conditions (e.g., if motion is detected, turn on light) or combine multiple actions.

Imatge 7: Ex.ample of energy saving through automated schedules.
4.4 Monitorització energètica
The Refoss Mini Wi-Fi Relay Switch provides real-time energy consumption data, accessible through the Refoss app.
- Open the Refoss app and navigate to the device's details page.
- View current power consumption (Watts) and historical data (kWh) for daily, weekly, monthly, or yearly periods.
- Input your electricity cost per kilowatt-hour in the app to estimate total electricity costs.

Image 8: Energy monitoring interface in the Refoss app.
5. Manteniment
- Neteja: Ensure the device is powered off before cleaning. Use a dry, soft cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Actualitzacions de firmware: Periodically check the Refoss app for available firmware updates to ensure optimal performance and security.
- Comprovació de la connexió: If experiencing connectivity issues, verify your Wi-Fi network is operational and the device is within range of your 2.4 GHz router.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no es connecta a la Wi-Fi. | Incorrect Wi-Fi password, 5 GHz network, device too far from router. | Ensure correct 2.4 GHz Wi-Fi network and password. Move device closer to router. Reset device and try pairing again. |
| Light not turning on/off. | Incorrect wiring, no neutral wire, faulty light fixture. | Verify wiring according to the diagram (ensure neutral wire is connected). Check if the light fixture works with a traditional switch. Ensure power is supplied to the module. |
| El control per veu no funciona. | Refoss account not linked, device not discovered, incorrect voice command. | Check if Refoss skill/service is enabled and linked in Alexa/Google Home app. Redo device discovery. Use correct device name in commands. |
| Energy monitoring data is inaccurate or missing. | Cloud function disabled (for remote access), temporary network issue. | If accessing remotely, ensure cloud function is enabled in the app. Local data is stored for 24 hours if cloud is off. Check network stability. |
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | R10 |
| Dimensions (L x A x A) | 4.3 x 4.3 x 1.9 cm (1.69 x 1.69 x 0.75 polzades) |
| Pes | 90 grams |
| Mode de funcionament | ON-OFF |
| Valoració actual | 10 A (màx.) |
| Vol. Operatiutage | 240 Volts |
| Tipus de contacte | Normalment tancat |
| Tipus de connector | Crimpar |
| Material | Plastic (PC Flame Retardant) |
| Connectivitat sense fil | Wi-Fi 2.4 GHz (IEEE 802.11 b/g/n) |
| Compatibilitat | Amazon Alexa, Google Home, Home Assistant (via IP) |
| Neutral Wire Requirement | Obligatori |
8. Garantia i Suport
For warranty information and technical support, please refer to the official Refoss website or contact their customer service directly. Details are typically provided with your product packaging or on the manufacturer's weblloc.
Fabricant: Refoss
Weblloc: www.refoss.com (Exampl'enllaç, l'enllaç real pot variar)





