1. Información importante de seguridad
- Ensure all wiring is performed by a qualified electrician to prevent electric shock.
- No exponga el dispositivo a la humedad ni a temperaturas extremas.
- Desconecte siempre la alimentación antes de instalar o realizar mantenimiento al dispositivo.
- Este dispositivo está diseñado únicamente para uso en interiores.
- Cumpla con los códigos y regulaciones eléctricos locales.
2. Producto terminadoview
The SONOFF THR320D is a WiFi Smart Switch designed for temperature and humidity monitoring and control. It supports high-load devices up to 20A and offers various smart features.
2.1 Contenido del paquete
- SONOFF THR320D Smart Switch
- THS01 Temperature and Humidity Sensor
- Manual de usuario
2.2 Características del dispositivo
- Salida de contacto seco y máx. de 20 A: Supports high-load connections and dry contact output for versatile control.
- Pantalla LCD: Real-time monitoring of temperature and humidity data, refreshed every 5 seconds.
- Temperature/Humidity History: Review historical data by hour, day, and month. Export up to 6 months of data in .xlsx format.
- Control automático local: Control LAN confiable para programas automatizados, incluso sin acceso a Internet.
- Control de voz: Compatible with Amazon Alexa and Google Assistant for voice commands and queries.
- Compatibilidad de sensores: Works with THS01 (temperature & humidity), DS18B20 (waterproof temperature), and MS01 (soil moisture) sensors.
- Montaje en riel DIN: Includes an adapter for easy installation on a DIN rail.
- Terminal de cableado mejorado: Features a protective cover to prevent short circuits.

Image 2.1: SONOFF THR320D Smart Switch with THS01 Temperature and Humidity Sensor.

Image 2.2: Detailed diagram of the SONOFF THR320D highlighting its LCD screen, auto mode button, dry contact, DIN rail mounting, upgraded wiring terminal, and protective cover.
3. Especificaciones
| Especificación | Valor |
|---|---|
| Número de modelo | THR320D |
| Dimensiones del producto | 2.13 x 2.13 x 3.85 pulgadas |
| Peso | 5.93 onzas |
| Modo de operación | Automatic, Smart Switch |
| Calificación actual | 20 Amps (máx.) |
| Tipo de conector | Conectar |
| Tipo de montaje | Wall Mount (with DIN rail adapter) |
| Calificación de protección internacional | IP66 |
| Clasificación de temperatura superior | 85 grados centígrados |
| Tipo de controlador | Amazon Alexa, Asistente de Google |
| Método de control | Voz, Aplicación |
4. Configuración
4.1 Diagrama de cableado
Follow the wiring diagrams carefully to connect the THR320D to your electrical system. Ensure power is disconnected before proceeding.

Image 4.1: Wiring diagrams for 1-channel load and dry contact connections. Connect Live (L In) and Neutral (N In) to the input terminals. For load, connect Live (L Out) and Neutral (N Out) to your appliance. For dry contact, connect COM and NC/NO as required.
4.2 Conexión de sensores
The THR320D supports various sensors via its RJ9 4P4C port. Simply plug the sensor into the designated port.

Imagen 4.2: Másview of compatible sensors including THS01 (Temperature & Humidity), DS18B20 (Waterproof Temperature), MS01 (Soil Moisture), and RL560 (Sensor Extension Cable).
4.3 Instalación y emparejamiento de la aplicación
To control your SONOFF THR320D, download the eWeLink app and follow the pairing instructions.
- Download the eWeLink app from the Tienda Google Play or Tienda de aplicaciones de Apple.
- Regístrese o inicie sesión en su cuenta eWeLink.
- Power on the THR320D. The device will enter pairing mode (indicated by a flashing LED).
- In the eWeLink app, tap the '+' icon to add a device and follow the on-screen instructions to complete the pairing process.

Image 4.3: Instructions for downloading the eWeLink app from Google Play and the App Store.
5. Instrucciones de funcionamiento
5.1 controles manuales
The device can be manually turned on or off using the physical button on the front panel. A single press toggles the power state.
5.2 Automatic Control (Auto Mode)
Set up automated rules based on temperature and humidity thresholds within the eWeLink app. The device can operate automatically even without an internet connection (LAN control).
- Open the eWeLink app and select your THR320D device.
- Navigate to the 'Auto Mode' settings.
- Define temperature or humidity ranges and corresponding actions (e.g., turn on/off).
- You can set up to 8 automatic control programs.

Image 5.1: Illustration of manual control via the app and automatic mode settings based on temperature and humidity thresholds.
5.3 Control de voz
Integrate your THR320D with Amazon Alexa or Google Assistant for convenient voice commands.
- Link your eWeLink account to Alexa or Google Home through their respective apps.
- Use commands like: "Alexa, turn on [device name]" or "Hey Google, what's the temperature of my [device name]?"

Imagen 5.2: Examples of using voice commands with Alexa and Google Assistant to control the THR320D and query sensor data.
5.4 Historial de datos y exportación
Access and export historical temperature and humidity data from the eWeLink app.
- In the eWeLink app, select your THR320D device.
- Tap on the 'History' tab to view graphs of temperature and humidity over time.
- Puede view data by hour, day, or month.
- Export up to 6 months of historical data in .xlsx format for detailed analysis.

Image 5.3: Screenshot showing the eWeLink app interface for viewing and downloading 6-month temperature and humidity history data.
5.5 Control de LAN
The THR320D supports LAN control, allowing your device to operate and execute automated programs even if your internet connection is temporarily unavailable. This ensures continuous monitoring and control within your local network.
6. Mantenimiento
To ensure optimal performance and longevity of your SONOFF THR320D:
- Mantenga el dispositivo limpio y sin polvo. Utilice un paño seco y suave para limpiarlo.
- Evite utilizar productos químicos agresivos o limpiadores abrasivos.
- Revise periódicamente las conexiones del cableado para asegurarse de que sean seguras.
- Ensure the sensor is free from obstructions and debris for accurate readings.
7. Solución de problemas
- El dispositivo no enciende: Revise la fuente de alimentación y las conexiones del cableado. Asegúrese de que el disyuntor no esté disparado.
- Cannot pair with eWeLink app: Ensure your Wi-Fi network is 2.4GHz. Reset the device to pairing mode (refer to the app for specific reset instructions). Check Wi-Fi signal strength.
- Lecturas inexactas del sensor: Ensure the sensor is clean and placed in an appropriate location away from direct heat sources, drafts, or moisture (unless it's a waterproof sensor).
- El control de voz no funciona: Verify that your eWeLink account is correctly linked to Alexa or Google Assistant. Check your internet connection.
- Dispositivo fuera de línea: Check your Wi-Fi router and internet connection. If LAN control is enabled, the device may still function locally.
8. Garantía y soporte
SONOFF products typically come with a limited warranty. For specific warranty details, please refer to the warranty card included with your product or visit the official SONOFF websitio.
For technical support, troubleshooting assistance, or further inquiries, please contact SONOFF customer service:
- Fabricante: SONOFF
- Websitio: sonoff.tech
- Correo electrónico: soporte@itead.cc





