1. Introdución
Thank you for choosing the Homcloud SM3 Smart WiFi 3-Channel In-Wall Switch. This device allows you to control up to three independent lighting circuits or appliances remotely via a smartphone application or voice commands through smart assistants like Amazon Alexa and Google Assistant. This manual provides essential information for safe installation, setup, and operation of your smart switch.
2. Información de seguridade
WARNING: Risk of Electric Shock. Installation should only be performed by a qualified electrician or a person with a thorough understanding of electrical systems.
- Always disconnect power at the circuit breaker before installation, removal, or servicing.
- Asegúrese de que o dispositivo estea instalado de acordo coas normas eléctricas nacionais e locais.
- Do not exceed the maximum load ratings specified for the device.
- Este dispositivo está deseñado só para uso en interiores.
- Manter fóra do alcance dos nenos.
3. Contido do paquete
- 1x Homcloud SM3 Smart WiFi 3-Channel In-Wall Switch
- 1x Manual de usuario (este documento)
4. Produto rematadoview
The Homcloud SM3 is a compact, in-wall smart switch module designed to convert traditional switches into smart controls. It features three independent channels, allowing control of multiple lights or devices from a single module. Its terminals are clearly labeled for easy wiring.

Figura 1: Homcloud SM3 Smart WiFi 3-Channel In-Wall Switch. This image displays the white rectangular smart switch module with its terminal connections labeled N, L, O1, O2, O3, S1, S2, S3. The Homcloud logo is visible on the top surface.
5. Instalación e cableado
Before proceeding with installation, ensure the main power supply is turned off at the circuit breaker.
- Apagado: Locate the circuit breaker controlling the light switch or appliance you intend to automate and turn it off. Verify that power is off using a voltagprobador.
- Cableado de acceso: Remove the existing wall plate and switch to expose the wiring.
- Conecte cables: Refer to the wiring diagram below and the labels on the SM3 module (N, L, O1, O2, O3, S1, S2, S3).
- N (neutro): Connect the neutral wire from your electrical system to the 'N' terminal.
- L (en directo): Connect the live (phase) wire from your electrical system to the 'L' terminal.
- O1, O2, O3 (Output): Connect the load wires (to your lights/appliances) to the 'O1', 'O2', and 'O3' terminals respectively.
- S1, S2, S3 (Switch Input): Connect your traditional physical switches (if desired) to the 'S1', 'S2', and 'S3' terminals. These inputs allow the SM3 to detect manual switch presses.
- Dispositivo seguro: Carefully place the SM3 module into the electrical box, ensuring no wires are pinched.
- Restaurar enerxía: Volve a conectar o interruptor.
Nota: The SM3 is designed to automatically recognize whether a connected physical switch is a toggle switch or a momentary push-button switch. Ensure proper wiring for optimal performance.
6. App Pairing and Configuration
To utilize the smart features of your Homcloud SM3 switch, you need to pair it with the Homcloud mobile application.
- Descarga a aplicación: Download the Homcloud app from your smartphone's app store (available for iOS and Android).
- Rexistrarse/Iniciar sesión: Abre a aplicación e rexistra unha nova conta ou inicia sesión se xa tes unha.
- Engadir dispositivo: In the app, tap the '+' icon or 'Add Device' to begin the pairing process.
- Entrar no modo de emparellamento: Follow the in-app instructions to put the SM3 switch into pairing mode. This usually involves a specific sequence of turning the power on/off or pressing a button on the module (if available). The device's indicator light will typically flash rapidly when in pairing mode.
- Conectar a wifi: Select your 2.4GHz Wi-Fi network and enter the password. The device will connect to your network.
- Nome do dispositivo: Once connected, you can name your switch and assign individual names to each of its three channels (e.g., 'Living Room Light 1', 'Living Room Light 2', 'Fan').
Voice Assistant Integration (Alexa/Google Assistant)
After successfully pairing with the Homcloud app, you can link your Homcloud account to Amazon Alexa or Google Assistant for voice control.
- Abrir a aplicación Asistente de voz: Open the Amazon Alexa or Google Home app on your smartphone.
- Activar habilidade/acción: Busca the 'Homcloud' skill (for Alexa) or 'Homcloud' action (for Google Assistant) and enable it.
- Vincular conta: You will be prompted to link your Homcloud account. Enter your Homcloud app credentials.
- Descubra dispositivos: Once linked, ask your voice assistant to 'Discover devices' or manually initiate device discovery in the app. Your SM3 switch and its channels will appear.
- Control: You can now control your lights/appliances using voice commands, e.g., "Alexa, turn on Living Room Light 1" or "Hey Google, turn off Fan."
7. Instrucións de funcionamento
The Homcloud SM3 Smart WiFi Switch offers multiple ways to control your connected devices:
- Control manual: Use the traditional physical wall switches connected to the S1, S2, S3 terminals. The smart module will register these actions and update its status in the app.
- Control da aplicación: Open the Homcloud app on your smartphone or tablet. You can turn individual channels on/off, set schedules, timers, and create smart scenes.
- Control de voz: Use Amazon Alexa or Google Assistant with voice commands as described in the previous section.
8. Mantemento
- Limpeza: Ensure the device is powered off before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
- Comprobación de conexión: Comprobe periodicamente as conexións do cableado para asegurarse de que están seguras.
- Actualizacións de firmware: The Homcloud app may notify you of available firmware updates. It is recommended to keep the device's firmware updated for optimal performance and security.
9 Solución de problemas
- O dispositivo non responde:
- Comprobe se a fonte de alimentación principal está activada.
- Verify that the device is properly wired according to the installation instructions.
- Ensure your Wi-Fi network is active and the device is within range.
- Non se pode conectar á wifi:
- Asegúrate de que a túa rede wifi sexa de 2.4 GHz. O dispositivo non admite redes de 5 GHz.
- Comproba que o contrasinal da túa wifi sexa correcto.
- Move the device closer to your Wi-Fi router or consider a Wi-Fi extender if the signal is weak.
- Try resetting the device to factory settings (refer to app instructions for specific reset procedure) and attempt pairing again.
- O control por voz non funciona:
- Ensure your Homcloud account is correctly linked in the Alexa or Google Home app.
- Verify that the device names in the Homcloud app match the names you are using for voice commands.
- Tenta redescubrir dispositivos na aplicación do asistente de voz.
10. Especificacións
| Característica | Especificación |
|---|---|
| Marca | Homcloud |
| Número de modelo | AS-SM3 |
| Dimensións | 9.3 x 9.2 x 4.2 cm |
| Peso | 90 gramos |
| Vol. Operativotage | 250 voltios |
| Corrente nominal | 10 Ampere |
| Modo de funcionamento | On-off-on |
| Tipo de contacto | Normally open, Normally closed |
| Tipo de cambio | Interruptor intelixente |
| Tipo de montaxe | Montaxe empotrado |
| Material | Plástico |
| Tipo de circuíto | 3 vías |
11. Garantía e soporte
Standard warranty and return policies apply to this product. For detailed information on returns within 30 days of receipt or procedures for defective/damaged products, please refer to the retailer's specific policies where the product was purchased.
For further technical support or inquiries, please visit the official Homcloud website or contact their customer service through the Homcloud application.





