1. Introduction
Thank you for choosing the SINOTIMER Smart Tuya WIFI Power Meter & Energy Protector. This device is designed to provide real-time monitoring of your electrical parameters, offer comprehensive circuit protection, and allow remote control via the Tuya Smart Life app. It integrates features such as over-voltage, under-voltage, over-current, and over-temperature protection, ensuring the safety and efficiency of your electrical system.
2. Safety Cautions
- Always read and understand these operating instructions in detail before installation and use.
- During installation and use, the power supply must be disconnected to avoid the risk of electric shock.
- The product must be used in accordance with its specified parameters and intended environment.
- If the product appears abnormal or malfunctions, stop using it immediately and disconnect power.
- Only qualified professionals should install and service this device. Do not attempt to disassemble or modify the internal wiring yourself.
3. Product Overview
The SINOTIMER Smart Power Meter features a clear HD color screen displaying Voltage (V), Current (A), Power (W), Power Factor (PF), Frequency (Hz), Energy Consumption (Kwh), Timing (T), and Temperature (°C).
Figure 1: Front view of the SINOTIMER DDS6619-302WF Smart Meter, showing its display and terminals.
3.1. Display Elements
- N IN L: Neutral and Live input terminals.
- N OUT L: Neutral and Live output terminals.
- NTC: Temperature sensor input.
- M Button: Menu/Mode selection.
- '+' Button: Increase value/Navigate up.
- '-' Button: Decrease value/Navigate down.
- ON/OFF Button: Manual control for output.
3.2. Dimensions
Figure 2: Device dimensions. Height: 79mm, Width: 65mm, Depth: 45mm.
4. Specifications
Figure 3: Product parameter comparison for DDS6619-302WF, -302L, and -302.
| Parameter | Value |
|---|---|
| Model | DDS6619-302WF |
| Voltage Range | 170-270V AC (Rated: 100-290V AC, 50/60Hz) |
| Current Range | 0-63A (Adjustable) |
| Power Range | 0-17KW |
| Timing Range | 0-999Hrs |
| Electricity Range | 0-9999Kwh |
| Temperature Range | -20 to 150°C |
| Frequency Range | 50-60Hz |
| Power Factor | 0.00-1.00PF |
| Power Failure Memory | Yes |
| Undervoltage Protection | Yes |
| Over-voltage Protection | Yes |
| WiFi Connectivity | Yes |
| Display Type | Digital Only |
| Installation | DIN Rail |
| Operating Temperature | -20 to 150 degrees Celsius |
| Certification | CE, RoHS |
5. Installation
5.1. Wiring Diagram
Ensure power is OFF before proceeding with any wiring. Connect the device according to the diagram below:
Figure 4: Wiring diagram. Connect Input Fire Wire to 'L IN', Input Zero Wire to 'N IN'. Connect Output Fire Wire to 'L OUT', Output Zero Wire to 'N OUT'. Connect the temperature sensor to 'NTC'.
5.2. Mounting
This device is designed for DIN rail mounting. Securely attach it to a standard DIN rail within your electrical panel.
6. Initial Setup & WiFi Connection
6.1. App Installation
- Download the 'Tuya Smart' or 'Smart Life' app from your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Register or log in to your account.
6.2. WiFi Connection
- Ensure the device is powered on.
- Press and hold the '+' button on the device for more than 5 seconds. The WiFi symbol on the display will start flashing.
- Open the Tuya Smart/Smart Life app on your mobile phone.
- Tap the '+' icon in the top right corner to add a device.
- Follow the in-app instructions to discover and connect your device to your 2.4GHz WiFi network.
- Once connected, the WiFi symbol on the device display will stop flashing and remain solid.
7. Operation
7.1. Manual Control
- ON/OFF Button: Press this button to manually switch the output power ON or OFF.
- Display Navigation: Use the '+' and '-' buttons to cycle through different display parameters (Voltage, Current, Power, etc.) on the device screen.
7.2. Device Settings (On-Device)
To enter the settings menu, press and hold the 'M' button for 3 seconds. Use '+' and '-' to adjust values, and 'M' to cycle through settings. If no button is pressed for 5 seconds, the device will exit the settings menu.
- Over-voltage Cut-off Protection: Adjust the upper voltage limit (e.g., 270.0V).
- Under-voltage Cut-off Protection: Adjust the lower voltage limit (e.g., 170.0V).
- Overcurrent Cut-off Protection: Adjust the maximum current limit (e.g., 63.000A).
- Timer Power-off Protection: Set a timer for automatic power-off.
- Over Power-off Protection: Set a maximum energy consumption (Kwh) limit.
- Over Power Cut-off Protection: Set a maximum power (KW) limit.
- Over-temperature Cut-off Protection: Set the maximum temperature limit (e.g., 50°C).
- Screen Hibernation Setting: Adjust the display screen off time (0-59 minutes).
7.3. App Control & Monitoring
Figure 5: Remote control via smartphone app with 24H real-time monitoring.
Through the Tuya Smart/Smart Life app, you can:
- Real-time Monitoring: View current voltage, current, power, energy consumption, power factor, frequency, and temperature.
- Remote ON/OFF: Switch the device output on or off from anywhere.
- Protection Settings: Adjust all protection thresholds (over-voltage, under-voltage, over-current, over-power, over-temperature) remotely.
- Scheduling: Set schedules for the device to turn on or off automatically at specific times.
- Countdown Timer: Set a countdown for the device to turn off after a specified duration.
- Energy Statistics: View daily, monthly, and yearly energy consumption reports.
- Voice Control: Integrate with Amazon Alexa or Google Assistant for voice commands.
Video 1: Demonstration of device settings and app functionality.
8. Maintenance
- Keep the device clean and free from dust. Use a soft, dry cloth for cleaning.
- Do not use abrasive cleaners or solvents.
- Ensure proper ventilation around the device to prevent overheating.
- Regularly check wiring connections for tightness and signs of wear.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | No input power; Incorrect wiring | Check power supply; Verify wiring according to diagram |
| WiFi connection fails | Incorrect WiFi password; Router too far; 5GHz WiFi network | Ensure correct password; Move device closer to router; Use 2.4GHz WiFi |
| Device trips frequently | Protection thresholds set too low; Actual load exceeds limits | Adjust protection thresholds in app/device settings; Reduce load |
| Inaccurate voltage reading | Minor calibration variance | Small deviations (e.g., 2V) are common and generally acceptable. |
| Power cuts out intermittently | Possible internal fault or sensitive protection | Check for consistent over/under voltage conditions. If persistent, contact support. |
10. User Tips
- The device provides excellent real-time load monitoring, allowing you to see your house's power draw instantly.
- While voltage readings might have minor deviations (e.g., 2 volts), other parameters like current and power are generally accurate.
- Ensure your home's voltage matches the device's operating range (170-270V AC) to avoid compatibility issues.
- The temperature sensor is a useful feature for monitoring ambient conditions around your electrical panel.
11. Warranty & Support
All SINOTIMER products are manufactured under strict quality control. For any quality issues during the warranty period, please contact your seller or SINOTIMER customer support for assistance. Do not attempt to repair or modify the device yourself, as this will void the warranty.