1. Product Overview
The SONOFF THR316D Elite is a smart switch designed for temperature and humidity monitoring and control. It features a 16A maximum load capacity, dry contact output, and an integrated LCD screen for real-time data display. This device supports local automatic control, voice control via Alexa and Google Home, and provides historical data logging for up to 6 months.
Key Features:
- 16A Max & Dry Contact Output: Supports high-load connections and offers dry contact output for versatile control.
- LCD Display: Provides real-time temperature and humidity data, refreshed every 5 seconds.
- Temperature/Humidity History Query: Review historical data by hour, day, and month. Export data in .xlsx format for up to 6 months.
- Local Automatic Control: Ensures reliable operation even without an internet connection. Set up to 8 automatic control programs.
- Voice Control: Compatible with Amazon Alexa and Google Home for hands-free monitoring and control.
Figure 1: SONOFF THR316D Elite Smart Switch with a connected temperature and humidity sensor.
2. Product Components
The THR316D Elite smart switch is designed to work with various external sensors to provide comprehensive environmental monitoring.
Compatible Sensors:
- THS01 Temperature & Humidity Sensor: Measures ambient temperature and humidity. Connector type: RJ9 4P4C.
- DS18B20 Waterproof Temperature Sensor: Designed for measuring water temperature. Connector type: RJ9 4P4C.
- MS01 Soil Moisture Sensor: Monitors soil moisture levels for plant care. Connector type: RJ9 4P4C.
- RL560 Sensor Extension Cable: Extends the reach of compatible sensors up to 5 meters.
Figure 2: The SONOFF THR316D Elite supports various sensors for different applications.
3. Setup and Installation
Safety Warning: All wiring should be performed by a qualified electrician. Ensure power is disconnected before installation to prevent electric shock.
3.1 Wiring Instructions
Connect the device according to the wiring diagram. The THR316D Elite supports both 1-channel load and dry contact connections.
- Power Input: Connect Live (L In) and Neutral (N In) wires from your power source.
- Load Output: Connect Live (L Out) and Neutral (N Out) wires to the appliance you wish to control.
- Dry Contact: For devices requiring a volt-free contact, connect to the COM and NC (Normally Closed) or NO (Normally Open) terminals as required by your application.
Figure 3: Wiring diagram for the SONOFF THR316D Elite, showing connections for 1-channel load and dry contact.
3.2 Sensor Connection
Plug the desired RJ9 4P4C sensor (THS01, DS18B20, or MS01) into the sensor interface on the device. The connection supports hot-plugging for convenience.
3.3 Device Pairing (eWeLink App)
- Download the eWeLink App from your app store.
- Power on the THR316D Elite.
- Press and hold the pairing button for 5 seconds until the Wi-Fi indicator flashes "two short and one long" to enter Bluetooth Pairing Mode.
- Open the eWeLink App, tap "+" and select "Bluetooth Pairing".
- Follow the on-screen prompts to connect the device to your Wi-Fi network.
Video 1: Demonstrates the pairing process of the SONOFF THR Elite with the eWeLink app.
4. Operating Instructions
4.1 Manual Control
Press the physical button on the device to manually turn the connected appliance on or off. The LCD screen will display the current status.
4.2 App Control and Monitoring
Once paired, use the eWeLink App to:
- Real-time Monitoring: View current temperature and humidity readings on your smartphone. The display refreshes every 5 seconds.
- Manual On/Off: Control the connected appliance remotely.
- Local Auto Mode: Set temperature and humidity thresholds for automatic control. This mode functions reliably even if the Wi-Fi connection is lost. You can configure up to 8 automatic control programs.
- Data History: Access and review historical temperature and humidity data by hour, day, and month. Data for the last 6 months can be exported in .xlsx format.
- Timely Notifications: Receive push notifications on your phone when temperature or humidity values reach preset thresholds or when the device's on/off state changes.
Figure 4: Real-time monitoring and local auto mode settings within the eWeLink application.
Figure 5: Reviewing 6-month temperature and humidity history data in the eWeLink app.
4.3 Voice Control
Integrate your SONOFF THR316D Elite with Amazon Alexa or Google Home for voice-activated control and queries. For example, you can ask for current temperature/humidity readings or command the switch to turn on/off.
Figure 6: The THR316D Elite supports voice control through Amazon Alexa and Google Home.
4.4 Scene Automation
Create smart scenes within the eWeLink App to automate actions based on sensor readings or other smart devices. For instance, you can set a fan to turn off automatically when the temperature drops below a certain point.
Video 2: Demonstrates smart scene creation and automation using the SONOFF THR Elite and a temperature sensor.
5. Maintenance
To ensure optimal performance and longevity of your SONOFF THR316D Elite Smart Switch:
- Cleaning: Regularly wipe the device and sensors with a dry, soft cloth. Avoid using harsh chemicals or abrasive cleaners.
- Firmware Updates: Keep the device firmware updated through the eWeLink App to benefit from new features and security enhancements.
- Sensor Check: Periodically inspect sensor connections for secure fit and ensure sensors are free from debris or damage that could affect readings.
- Environmental Conditions: Operate the device within its specified operating temperature and humidity ranges to prevent damage.
6. Troubleshooting
If you encounter issues with your SONOFF THR316D Elite, refer to the following common solutions:
- Device Not Pairing: Ensure the device is in Bluetooth Pairing Mode (Wi-Fi indicator flashes "two short and one long"). Check your Wi-Fi network credentials and signal strength.
- Wi-Fi Disconnection: Verify your router is functioning correctly. If the device is too far from the router, consider using a Wi-Fi extender. Local Auto Mode will continue to function even if Wi-Fi is temporarily unavailable.
- Inaccurate Sensor Readings: Ensure the sensor is correctly plugged into the RJ9 4P4C port. Check for any physical damage to the sensor or cable. Calibrate the sensor if an option is available in the app.
- App Not Responding: Close and restart the eWeLink App. Ensure your smartphone has a stable internet connection.
- Device Not Powering On: Check the power supply and wiring connections. Ensure the circuit breaker is not tripped.
For further assistance, consult the eWeLink App's help section or the SONOFF official support channels.
7. Specifications
| Specification | Value |
|---|---|
| Brand | SONOFF |
| Model Number | THR316D (THElite) |
| Operation Mode | ON-OFF-ON |
| Current Rating | 16 Amps |
| Operating Voltage | 120 Volts |
| Wattage | 1920 watts |
| Contact Type | Normally Closed |
| Connector Type | RJ9 4P4C |
| Terminal | Screw |
| Circuit Type | 1-way |
| Actuator Type | Electric |
| Contact Material | Plastic |
| Number of Positions | 2 |
| Controller Type | Amazon Alexa |
| Control Method | App |
| Connectivity Protocol | Wi-Fi |
| Product Dimensions (L x W x H) | 4.33 x 2.36 x 1.57 inches |
| Item Weight | 5.3 ounces |
8. Warranty and Support
SONOFF products typically come with a limited warranty. For detailed warranty information, product support, and frequently asked questions, please visit the official SONOFF website or contact their customer service. Keep your purchase receipt for warranty claims.
Online Resources:
- Official SONOFF Website: www.sonoff.com
- eWeLink App Support: Refer to the 'Help & Feedback' section within the app.
