1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Tongou TOVTH-216WTTDA Smart Temperature & Humidity Sensor WiFi 2-Gang DIN Rail Switch. This device combines precise environmental monitoring with smart dual-channel power control, designed for various applications including smart homes, greenhouses, and industrial settings.
2. Important Safety Warnings
- Professional Installation: Smart devices must be installed and maintained by qualified professionals with expertise in electrical equipment and its installation. These individuals must have safety training to identify and prevent potential hazards.
- Inspect for Damage: Do not install the device if any damage is found upon opening the packaging.
- Secure Installation: Install the device within a distribution cabinet, isolated by doors or baffles, to prevent unauthorized or accidental access.
- Regulatory Compliance: Installation and use must comply with all applicable local, regional, and national regulations.
- Mechanical and Electrical Verification: A professional installation engineer must verify satisfactory mechanical strength and electrical conductivity during installation.
- FCC Statement: This device complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
3. Product Overview
The TOVTH-216WTTDA is a 2-gang smart switch designed for DIN rail mounting, featuring integrated temperature and humidity sensing capabilities. It allows for remote monitoring and control via the Tuya Smart/Smart Life app, and integrates with Amazon Alexa and Google Home.
3.1. Components and Dimensions
The device includes a main unit with a display, control buttons, and a wired sensor probe. Refer to the diagram below for component identification and dimensions.
Figure 1: Product Appearance Diagram
- A. Line-in terminal: Power input connection.
- B. Temperature: Displays current temperature.
- C. Humidity: Displays current humidity.
- D. Communication Protocol: Indicates the wireless communication standard (e.g., WiFi).
- E. Menu Button: Press and hold for 5 seconds to enter the settings menu.
- F. Switch/Select Button: Press and hold for 3 seconds to return to the previous level, 5 seconds to exit.
- G. Switch Indicator Light: Indicates the ON/OFF status of the switch.
- H. Network Indicator Light: Indicates network connection status.
- I. Circuit diagram: Internal circuit representation.
- J. Wiring capacity: Specifies the maximum wire gauge.
- K. S1/S2 dry contact: Terminals for external dry contact switches (no power output).
- L. Sensor probe: External probe for temperature and humidity measurement.
Figure 2: Product Parameter Diagram (Dimensions)
4. Technical Specifications
| Feature | Specification |
|---|---|
| Model Number | TOVTH-216WTTDA |
| Origin | Mainland China |
| Certification | CE |
| Switch Type | 2-Gang (Dual Channel) |
| Mounting Standard | 18mm DIN Rail/Standard Wall Panel |
| Wireless Protocol | WiFi 2.4GHz |
| Smart Home Platform | Tuya |
| Compatible Platforms | Tuya Smart/Smart Life, Amazon Alexa, Google Home |
| Temperature Range | -25°C to 100°C |
| Humidity Range | 1% to 99% |
| AC Load Capacity (per channel) | 16A (100-240V AC, 50/60Hz) |
| AC Max Power | 3840W (Resistive Load) |
| DC Load Capacity (per channel) | 10A (5-30V DC) |
| DC Max Power | 300W |
| Package Dimensions (approx.) | 13cm (L) x 5cm (W) x 5cm (H) |
| Package Weight (approx.) | 0.25 kg |
5. Setup and Installation
5.1. Wiring Instructions
Refer to the wiring diagram below to configure the corresponding equipment and wiring method to ensure safe operation. S1/S2 dry contacts provide no power output and require an external power source for connected loads.
Figure 3: Product Wiring Diagram (AC and DC)
- AC Wiring: Connect the Line (L) and Neutral (N) wires to the corresponding terminals on the device. Connect the AC load to the S1 or S2 terminals, ensuring an external power source is used for the load if it requires power.
- DC Wiring: Connect the positive (+) and negative (-) wires to the corresponding terminals on the device. Connect the DC load to the S1 or S2 terminals, ensuring an external DC power source is used for the load.
- S1/S2 Max Load: AC: 16A 100-240VAC, Category AC-1; DC: 10A 5-30VDC.
5.2. App Installation and Network Configuration
To utilize smart features, download the Tuya Smart or Smart Life app and connect the device to your WiFi network.
- Download the App: Scan the QR code or search for "Smart Life" or "Tuya Smart" in your app store.
- Enter Settings Menu: Long press the Menu Button (E) on the device for 5 seconds to enter the settings menu.
- Network Configuration Mode: Navigate to the 'P' (Network Configuration Mode) setting. The network indicator light (H) will flash blue continuously, indicating it's ready for pairing.
- Add Device in App: Open the app, select 'Add Device', and follow the on-screen instructions to connect your switch to your 2.4GHz WiFi network.
- Gateway Setup (for Zigbee models, if applicable): If you have a Zigbee model (not this WiFi model), you would first add the gateway in the app before adding the device.
Figure 4: Device and App Overview
6. Operating Instructions
6.1. Indicator Light Descriptions
| Indicator | Status | Meaning |
|---|---|---|
| Switch Indicator Light (G) | Solid Red | Device is ON. |
| Off | Device is OFF. | |
| Network Indicator Light (H) | Solid Blue | Normal communication status. |
| Continuously Flashing Blue | Network configuration status (pairing mode). | |
| Blinks Blue once every 4 seconds | Device has lost network connection. | |
| Off | Device is not connected to the network. | |
| Rapidly Flashing Blue | AP connection mode. | |
| Slow, Continuous Flashing Blue | Alarm event (local version only). |
6.2. Basic Operation via Device Buttons
Use the Menu Button (E) and Switch/Select Button (F) to navigate and adjust settings directly on the device's display.
- Enter Settings Menu: Long press Menu Button (E) for 5 seconds.
- Navigate/Select: Use Switch/Select Button (F) to toggle selections or move between options.
- Confirm/Modify: Press Menu Button (E) to confirm a selection or enter modification mode.
- Exit Menu: Long press Switch/Select Button (F) for 5 seconds to exit the settings menu.
- Return to Previous Level: Long press Switch/Select Button (F) for 3 seconds.
6.3. App Control and Automation
The Tuya Smart/Smart Life app provides comprehensive control and automation features.
Figure 5: Remote Control and Monitoring via App
- Real-time Monitoring: View live temperature and humidity data, along with historical trends.
- Alerts: Set custom high/low temperature and humidity thresholds to receive notifications.
- Automation Scenes: Create custom automation rules based on environmental data (e.g., turn on a fan when humidity exceeds 70%, or activate a heater when temperature drops below a set point).
- Scheduling: Set independent schedules for each switch (S1 and S2) using basic timers, sunrise/sunset triggers, or repeating cycles.
- Control Modes: Select from Local Lock, Local Mode, Remote Mode, or Full Control Mode to define how the device can be operated.
Figure 6: Dual Mode Control Settings in App
Figure 7: Smart Temperature & Humidity Monitor with High/Low Alarms
7. Maintenance
- Cleaning: Ensure the device is powered off before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or sprays.
- Sensor Care: Keep the sensor probe clean and free from dust or debris to ensure accurate readings. Avoid exposing the sensor to extreme physical shock or corrosive environments.
- Firmware Updates: Regularly check the Tuya Smart/Smart Life app for available firmware updates to ensure optimal performance and security.
8. Troubleshooting
8.1. Common Issues and Solutions
- Device Not Connecting to WiFi:
- Ensure your WiFi network is 2.4GHz.
- Check if the network indicator light is continuously flashing blue (pairing mode). If not, long press the Menu button for 5 seconds to enter settings, then navigate to 'P' for network configuration.
- Verify correct WiFi password entry in the app.
- Move the device closer to your WiFi router.
- Inaccurate Temperature/Humidity Readings:
- Ensure the sensor probe (L) is clean and unobstructed.
- Perform manual calibration via the app for precision tuning.
- Verify the sensor is placed in an area representative of the environment you wish to monitor.
- Switch Not Responding:
- Check the switch indicator light (G) status.
- Verify the device has power.
- Check the control mode setting (Local Lock, Local Mode, Remote Mode, Full Control Mode) in the app.
8.2. Event Codes
The device can display event codes to indicate specific conditions. To view the most recent event codes:
- On the homepage of the device display, press and hold the S2 button for 3 seconds.
- The display will show the most recent event. The first row corresponds to S1 events, and the second row to S2 events.
- Press and hold the S1 button for 3 seconds to exit the event code display.
| Event Code | Description |
|---|---|
| HEA | High Temperature Alarm |
| LEA | Low Temperature Alarm |
| HHA | High Humidity Alarm |
| LHA | Low Humidity Alarm |
| nor | Normal Status |
8.3. Control Modes
The device supports various control modes, configurable via the app or directly on the device.
| Mode | Description |
|---|---|
| LL (Local Lock) | Device is off, and data transmission is possible. Local control is locked. |
| LO (Local Mode) | Control is only possible directly on the device. |
| ΓΠ (Remote Mode) | Control is only possible via the app. |
| FC (Full Control Mode) | Both local and app control are enabled. |
9. User Tips
No specific user tips from reviews or Q&A were provided for this product. However, general tips for smart switches include:
- Optimal Sensor Placement: Place the external sensor probe in the most critical area for temperature and humidity monitoring to ensure accurate environmental control.
- Regular Calibration: If precise measurements are crucial, consider performing manual calibration periodically to fine-tune the sensor accuracy.
- Power Outage Resilience: The device is designed to maintain settings through power outages, ensuring your automation rules remain intact.
10. Warranty and Support
10.1. EU Declaration of Conformity
Changyou Technology (Zhejiang) Co., Ltd. declares that this product complies with essential requirements and other relevant provisions of Directive 2014/53/EU. The full text of the EU declaration of conformity is available at: http://www.tongou.com/usermanuals
10.2. WEEE Warning
All products bearing the WEEE symbol (waste electrical and electronic equipment as in directive 2012/19/EU) should not be mixed with unsorted household waste. Protect human health and the environment by handing over your waste equipment to a designated collection point for the recycling of waste electrical and electronic equipment, appointed by the government or local authorities. Correct disposal and recycling will help prevent potential negative consequences to the environment and human health. Please contact the installer or local authorities for more information about the location as well as terms and conditions of such collection points.
10.3. Customer Support
For technical support or inquiries, please contact:
- Email: support@tongou.com
- Website: www.tongou.com
Tongou is a trademark and the property of Changyou Technology, its subsidiaries and affiliated companies.