1. Introduction
The TONGOU Smartlife WiFi Energy Meter is a multi-function protector designed for monitoring and controlling electrical parameters. It provides real-time display of voltage, current, and kWh, along with protection features for over-voltage, under-voltage, over-current, and leakage. This device can be remotely controlled and monitored via the Smartlife TUYA app, offering convenience and enhanced safety for your electrical appliances.
Note: This meter only supports 2.4G Wireless Network, NOT for 5G.
2. Safety Information
DANGER: Risk of electric shock and life-threatening injury. Installation and maintenance must be performed by qualified electricians only.
- Always disconnect power before installation or maintenance.
- Ensure all wiring connections are tight and correct according to the wiring diagram.
- Do not operate the device if it is damaged or malfunctioning.
- The ambient air temperature for operation is -25°C to +40°C.
3. Product Overview
The TONGOU Smartlife WiFi Energy Meter features a compact design for DIN rail mounting, an LCD display, and control buttons. It integrates seamlessly with smart home ecosystems like Tuya Smart, Smart Life, Amazon Alexa, and Google Assistant.
Figure 1: Front view of the energy meter with display and control buttons.
Figure 2: Overview of functional features including Leakage Protection, Overvoltage Protection, Undervoltage Protection, KWH display, WIFI Smart networking, and BTN liquid crystal display.
3.1. Panel Indicators and Keys
Figure 3: Detailed view of the device's front panel with numbered indicators and keys.
- WiFi indicator: Shows WiFi connection status.
- Kilowatt-hour meter pulse indicator: Flashes with energy consumption.
- Over/under voltage alarm indicator: Lights up for voltage alarms.
- Over/under voltage alarm indicator: Lights up for voltage alarms.
- Leakage alarm indicator: Lights up for leakage alarms.
- SET button: Press to enter the setting interface.
- Adjustment key (Up/Down): Use to adjust values. Long press for 3 seconds to test leakage.
- ON/OFF button: Manually turn the device on or off.
- Adjustment key (WiFi): Long press for 5 seconds to configure WiFi.
4. Setup
4.1. Wiring Instructions
Ensure power is disconnected before proceeding with wiring. This device is designed for single-phase installations. Connect the live wire to the 'L' input terminal and the neutral wire to the 'N' input terminal. Connect the load's live wire to the 'L' output terminal and the load's neutral wire to the 'N' output terminal. Ensure all connections are tight and secure.
Figure 4: Example wiring diagram showing connections to other circuit protection devices.
Wire Specifications:
- Input/Output Terminals: 1.5-35mm²
- Recommended Torque: 2-2.4 Nm
4.2. Network Pairing
To enable smart features, the device must be paired with the Smartlife TUYA app.
Figure 5: App screenshots for adding a new device.
- Connect the Live wire to pole L and the neutral wire to N pole. Make sure the wiring is tight.
- Open the Smartlife TUYA app and click the 'Add Device' button to start adding.
- Click the 'Add' button when the device is discovered.
Figure 6: App screenshots for completing device pairing.
- Enter your router's WiFi account and password (ensure it's a 2.4G network).
- Wait for the device to be added successfully.
- Once added, you will enter the mobile phone operation interface for the device.
Video 1: Demonstration of device pairing and basic app control.
5. Operating Instructions
5.1. Manual Control
Use the ON/OFF button (labeled '8' in Figure 3) on the device's front panel to manually switch the power on or off.
5.2. App Control and Monitoring
Once paired with the Smartlife TUYA app, you can:
- Remote ON/OFF: Control the power supply from anywhere.
- Real-time Monitoring: Review current, voltage, leakage current, and total kWh consumption on your phone.
Figure 7: App interface displaying real-time current, active power, voltage, balance kWh, and residual current.
5.3. Timer Function
The Smartlife TUYA app includes a timer function to schedule ON/OFF operations for connected appliances.
Figure 8: App interface for adding and managing timed schedules for appliances.
5.4. Setting Protection Values
You can set various protection thresholds either manually using the device buttons or through the Smartlife TUYA app.
- Over-current Protection: Adjustable from 1A to 63A (default: 63A).
Figure 9: App interface for setting the over-current alarm threshold.
- Leakage Protection: Adjustable from 10mA to 99mA (default: 30mA).
Figure 10: App interface for setting the leakage alarm threshold.
- Over-voltage Protection: Adjustable from 120V to 300V (default: 275V).
- Under-voltage Protection: Adjustable from 85V to 200V (default: 160V).
Figure 11: App interface for setting over-voltage and under-voltage alarm thresholds.
- Temperature Protection: Can be set in the app.
The device also features a prepaid function for energy management.
6. Maintenance
- Keep the device clean and dry.
- Regularly check wiring connections for tightness.
- Ensure proper ventilation around the device to prevent overheating.
- Do not attempt to repair the device yourself. Contact qualified personnel for service.
7. Troubleshooting
- Device not connecting to WiFi: Ensure your router is broadcasting a 2.4G WiFi signal. The device does not support 5G networks. Verify the WiFi password is correct.
- Device not reconnecting after protection: The product is designed not to automatically reconnect after a protection event. Manual intervention (e.g., pressing the ON/OFF button or using the app) is required to reset and re-enable the power supply after the fault has been cleared.
- How to fully reset the device: If you encounter persistent issues, a full reset might be necessary. Refer to the detailed user manual (PDF) for specific reset procedures.
- Alarm Records: Check the alarm records within the Smartlife TUYA app for details on triggered protection events.
8. Specifications
Figure 12: Dimension diagram and technical parameters table.
| Function | Technical Parameter |
|---|---|
| Rated Voltage | 85-300V |
| Frequency | 50Hz/60Hz |
| Over-current protection value | 1-63A (default 63A) |
| Over-voltage protection value | 120-300V (default 275V) |
| Under-voltage protection value | 85-200V (default 160V) |
| Leakage protection value | 10-99mA (default 30mA) |
| Action time | <1s |
| Power consumption | ≤2W |
| Boundary dimension | 100x36x45mm |
| Type | Mini |
| Certification | CE |
| High-concerned chemical | None |
9. User Tips
- Model Number: For support or inquiries, refer to the specific model number TO-Q-SM263JWT.
- WiFi Compatibility: Always double-check that your WiFi network is 2.4G before attempting to pair the device. 5G networks are not supported.
- Protection Reset: Remember that the device requires manual reset after a protection event. This is a safety feature to ensure the underlying issue is addressed before re-energizing the circuit.
10. Warranty and Support
For detailed information regarding warranty, service, and support, please refer to the official TONGOU documentation.
EU Declaration of Conformity: Changyou Technology (Zhejiang) Co., Ltd. declares that this product complies with the 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
A comprehensive user manual in PDF format is also available for download: User Manual (PDF)
