1. Informações importantes de segurança
- Ensure all wiring is performed by a qualified electrician to prevent electric shock.
- Não exponha o dispositivo à umidade ou temperaturas extremas.
- Desligue sempre a alimentação antes de instalar ou realizar qualquer manutenção no dispositivo.
- Este dispositivo foi projetado apenas para uso interno.
- Siga os códigos e regulamentos elétricos locais.
2. Produto acabadoview
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 Conteúdo da embalagem
- SONOFF THR320D Smart Switch
- THS01 Temperature and Humidity Sensor
- Manual do usuário
2.2 Recursos do dispositivo
- 20A Max & Dry Contact Output: Supports high-load connections and dry contact output for versatile control.
- Tela 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.
- Local Automatic Control: Reliable LAN control for automated programs, even without internet access.
- Controle de voz: Compatible with Amazon Alexa and Google Assistant for voice commands and queries.
- Compatibilidade do Sensor: Works with THS01 (temperature & humidity), DS18B20 (waterproof temperature), and MS01 (soil moisture) sensors.
- Montagem em trilho DIN: Includes an adapter for easy installation on a DIN rail.
- Upgraded Wiring Terminal: 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. Especificações
| Especificação | Valor |
|---|---|
| Número do modelo | THR320D |
| Dimensões do produto | 2.13 x 2.13 x 3.85 polegadas |
| Peso | 5.93 onças |
| Modo de operação | Automatic, Smart Switch |
| Classificação atual | 20 Amps (máx.) |
| Tipo de conector | Conecte-se |
| Tipo de montagem | Wall Mount (with DIN rail adapter) |
| Avaliação de proteção internacional | IP66 |
| Classificação de temperatura superior | 85 graus Celsius |
| Tipo de controlador | Amazon Alexa, Assistente Google |
| Método de controle | Voz, Aplicativo |
4. Configuração
4.1 Diagrama de fiação
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 Conexão do Sensor
The THR320D supports various sensors via its RJ9 4P4C port. Simply plug the sensor into the designated port.

Imagem 4.2: Terminadoview of compatible sensors including THS01 (Temperature & Humidity), DS18B20 (Waterproof Temperature), MS01 (Soil Moisture), and RL560 (Sensor Extension Cable).
4.3 Instalação e emparelhamento do aplicativo
To control your SONOFF THR320D, download the eWeLink app and follow the pairing instructions.
- Download the eWeLink app from the Loja Google Play or Loja de aplicativos da Apple.
- Cadastre-se ou faça login na sua conta eWeLink.
- Power on the THR320D. The device will enter pairing mode (indicated by a flashing LED).
- No aplicativo eWeLink, toque no ícone '+' para adicionar um dispositivo e siga as instruções na tela para concluir o processo de emparelhamento.

Image 4.3: Instructions for downloading the eWeLink app from Google Play and the App Store.
5. Instruções de operação
5.1 Controle Manual
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 Controle 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]?"

Imagem 5.2: Examples of using voice commands with Alexa and Google Assistant to control the THR320D and query sensor data.
5.4 Data History and Export
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.
- Você pode 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 Controle 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. Manutenção
To ensure optimal performance and longevity of your SONOFF THR320D:
- Mantenha o dispositivo limpo e livre de poeira. Use um pano seco e macio para a limpeza.
- Evite usar produtos químicos agressivos ou produtos de limpeza abrasivos.
- Verifique regularmente as conexões da fiação para garantir que estejam seguras.
- Ensure the sensor is free from obstructions and debris for accurate readings.
7. Solução De Problemas
- Dispositivo não liga: Check the power supply and wiring connections. Ensure the circuit breaker is not tripped.
- 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.
- Leituras imprecisas do 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).
- O controle de voz não está funcionando: Verify that your eWeLink account is correctly linked to Alexa or Google Assistant. Check your internet connection.
- Dispositivo off-line: Check your Wi-Fi router and internet connection. If LAN control is enabled, the device may still function locally.
8. Garantia e Suporte
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 website.
For technical support, troubleshooting assistance, or further inquiries, please contact SONOFF customer service:
- Fabricante: SONOFF
- Website: sonoff.tech
- E-mail: suporte@itead.cc





