SONOFF THR316D Elite Smart Switch User Manual

1. Introduction and Overview

The SONOFF THR316D Elite is a smart switch designed for precise temperature and humidity monitoring and control. Featuring an integrated LCD screen, it provides real-time environmental data and allows for automated control of connected devices based on set thresholds. This device supports various external sensors and integrates seamlessly with popular smart home platforms like Alexa and Google Home, offering a versatile solution for maintaining optimal environmental conditions in your home or specific areas.

The SONOFF THR316D Elite Smart Switch, shown alongside its packaging, highlights its compact design and the clear LCD display for temperature and humidity readings.

2. Product Features

• 16A Max & Dry Contact Output: Supports connection to high-load devices up to 16A and offers dry contact output for versatile control.
• LCD Display: Provides real-time monitoring of temperature and humidity data, with the screen refreshing every 5 seconds.
• Temperature/Humidity History Query: Allows review of historical data by hour, day, and month. Data for the last 6 months can be exported in .xlsx format.
• Local Automatic Control: Supports LAN control for reliable automatic operation even without an internet connection. Up to 8 automatic control programs can be set.
• Voice Control and Query: Compatible with Alexa and Google Home for voice-activated control and querying of temperature and humidity values.

A comprehensive overview of the SONOFF TH Elite's key functionalities, including its local automatic control mode for reliable operation even without internet, high current capacity with dry contact output, extensive data history, web and LAN control options, voice assistant compatibility, and real-time temperature and humidity display.

This video highlights the versatility of the SONOFF TH Elite, showcasing its compatibility with three types of sensors: temperature and humidity, waterproof temperature, and soil moisture. It also demonstrates the 16A/20A dry contact output and the local auto mode feature, ensuring reliable operation even without Wi-Fi.

3. Setup

3.1 Wiring Instructions

The THR316D Elite supports both 1-channel load and dry contact wiring. Ensure all power is disconnected before wiring to prevent electric shock.

A clear wiring diagram illustrating how to connect a single-channel load to the SONOFF TH Elite, showing the input and output terminals for 100-240V AC power, and a detailed diagram showing the dry contact interface, indicating the COM and NC terminals for connecting devices that require volt-free control.

3.2 App Download and Pairing

To control your SONOFF THR316D Elite, download the eWeLink App. You can find the app on Google Play Store or Apple App Store, or by visiting the official download page: http://app.coolkit.cc/dl.html.

Follow these steps to pair your device:

1. Ensure the device is powered on.
2. Open the eWeLink App and tap the '+' icon to add a new device.
3. Select 'Bluetooth Pairing' and follow the on-screen prompts. The Wi-Fi indicator on the device will flash in a specific pattern (two short and one long flash) to indicate pairing mode.
4. Once connected, you can configure Wi-Fi settings and rename your device.

4. Operating Instructions

4.1 Manual Control

You can manually turn the connected device on or off directly from the THR316D Elite's physical button or through the eWeLink app interface. The LCD screen will display the current temperature and humidity readings.

4.2 Local Automatic Control (Auto Mode)

The THR316D Elite allows you to set up automated control programs based on temperature and humidity thresholds. This feature operates reliably even if your Wi-Fi connection is lost, thanks to its local control capabilities.

• In the eWeLink app, navigate to the device settings and select 'Auto' mode.
• Set your desired temperature and humidity ranges (e.g., turn on if temperature > 25°C, turn off if temperature < 22°C).
• Define the effective time periods for these automation rules.

4.3 Data Monitoring and History

The device continuously monitors temperature and humidity. You can view real-time data on the LCD screen or within the eWeLink app. The app also provides historical data, allowing you to track trends over time.

This visual shows the eWeLink app's detailed historical data logging for temperature and humidity, allowing users to review trends over hours, days, or months, and export data in .xlsx format for further analysis.

4.4 Voice Control

Integrate your THR316D Elite with Amazon Alexa or Google Home for convenient voice commands.

• Link your eWeLink account to your Alexa or Google Home app.
• Use commands like: "Alexa, what's the temperature in the living room?" or "Hey Google, turn on the heater."

This image demonstrates the voice control capabilities of the SONOFF TH Elite, showing users interacting with Alexa and Google Home to query temperature or control connected devices, such as turning on a heater.

4.5 Scene Automation

Create smart scenes within the eWeLink app to automate actions based on the THR316D Elite's readings or in conjunction with other smart devices.

The image highlights the SONOFF TH Elite's ability to send timely notifications for temperature changes and its integration with scene automation, allowing it to trigger other smart devices, such as automatically closing a humidifier based on humidity levels.

5. Sensor Compatibility

The SONOFF THR316D Elite is compatible with various RJ9 4P4C sensors, expanding its application possibilities:

• THS01: Temperature & Humidity Sensor (Working temperature: -40℃~+85℃, Working humidity: 0~100%RH, Cable length: 0.5m, Max extend length: 60m)
• DS18B20: Waterproof Temperature Sensor (Working temperature: -55℃~+125℃, Cable length: 0.5m, Max extend length: 60m)
• MS01: Soil Moisture Sensor (Humidity measuring: 0-100%RH, Operating temp. range: 0-60℃, Cable length: 0.5m, Max extend length: 10m)
• RL560: Sensor Extension Cable (Conductor resistance: max.10Ω, Insulation resistance: min.5MΩ, Cable length: 5m)

This image displays the versatility of the SONOFF TH Elite, showing its compatibility with various RJ9 4P4C sensors for different applications, such as temperature and humidity monitoring for baby care, waterproof temperature sensing for aquariums, and soil moisture detection for plants.

THS01 Temperature & Humidity Sensor

DS18B20 Waterproof Temperature Sensor

MS01 Soil Moisture Sensor

RL560 Sensor Extension Cable

6. Maintenance

To ensure the longevity and optimal performance of your SONOFF THR316D Elite, follow these maintenance guidelines:

• Keep the device clean and free from dust. Use a soft, dry cloth for cleaning.
• Avoid exposing the device to extreme temperatures, high humidity, or direct sunlight.
• Ensure proper ventilation around the device to prevent overheating.
• Regularly check wiring connections to ensure they are secure.

7. Troubleshooting

If you encounter issues with your SONOFF THR316D Elite, refer to the following common troubleshooting tips:

• Device Offline: Check your Wi-Fi connection. Ensure the device is within range of your router. Restart the device and your router.
• Incorrect Readings: Ensure the sensor is properly connected and not damaged. Verify the sensor type is correctly configured in the eWeLink app.
• Automation Not Working: Double-check your auto mode settings in the eWeLink app, including temperature/humidity thresholds and effective time periods. Ensure LAN control is enabled if relying on local automation without internet.
• Voice Control Issues: Confirm your eWeLink account is correctly linked to Alexa or Google Home. Check your internet connection and voice assistant device.
• Device Not Responding: Try restarting the device by disconnecting and reconnecting power. If issues persist, consider resetting the device to factory settings (refer to the eWeLink app for specific reset procedures).

8. Specifications

9. Warranty and Support

For warranty information and technical support, please visit the official SONOFF website or contact their customer service. Keep your purchase receipt as proof of purchase for warranty claims.

Official Website: sonoff.tech