1. Inleiding
This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your FUZHUI Smart Electricity Meter. This 3 Phase 4 Wire Multifunctional Energy Meter features 4G rail type installation, Tuya App integration for electricity management, high accuracy measurement, and remote monitoring capabilities. Please read this manual thoroughly before use and retain it for future reference.
The FUZHUI Smart Electricity Meter is designed for various applications, including residential, commercial, and industrial settings, enabling precise energy monitoring and management.

Figuur 1.1: Applicable scenarios for the FUZHUI Smart Electricity Meter.
2. Produk verbyview
2.1 Sleutelkenmerke
- Stabiel en betroubaar: Constructed from high-quality materials and subjected to rigorous testing to ensure long-lasting performance and stability.
- Hoë akkuraatheidsmeting: Utilizes advanced technology to guarantee precise power measurement, minimizing discrepancies.
- Energy Saving and Cost Control: Incorporates a pre-payment function to encourage responsible power consumption, leading to energy and cost savings.
- Multi-funksionele toepassing: Suitable for both household and commercial use in diverse environments such as residences, offices, and factories.
- Afstandmonitering: Features a 4G rail design that enables remote meter reading, facilitating real-time data monitoring and management via the Tuya App.
2.2 Komponente en Vertoning
The meter features a clear digital display for energy readings and indicators for operational status.

Figuur 2.1: Voorkant view of the electricity meter with display and indicators.
The transparent cover helps prevent unauthorized tampering and provides a visual indication if the device has been opened.

Figuur 2.2: Transparent cover for tamper prevention.
3. Spesifikasies
| Spesifikasie | Waarde |
|---|---|
| Item Tipe | Elektrisiteitsmeter |
| Gewig | 628g / 22.15oz (Product only), 1.38 pounds (Package) |
| Materiaal | ABS |
| Basic Current | 10A |
| Maksimum stroom | 80A |
| Pols konstant | 800imp/kWh |
| Vervaardiger | FUZHUI |
| Modelnommer | FUZHUI23qu7h5e4k |
| Pakket afmetings | 5.51 x 3.94 x 3.54 duim |
4. Opstelling en installering
4.1 Veiligheidsmaatreëls
- Installasie moet slegs deur gekwalifiseerde personeel uitgevoer word.
- Maak seker dat alle krag afgeskakel is voordat u met die installasie begin.
- Volg alle plaaslike elektriese kodes en regulasies.
- Dra toepaslike persoonlike beskermende toerusting (PPE).
4.2 Mounting the Meter
The FUZHUI Smart Electricity Meter is designed for DIN rail mounting. Securely attach the meter to a standard DIN rail in your electrical panel.

Figuur 4.1: Agter view showing DIN rail mounting mechanism.
4.3 Bedradingsmetode
The meter is a 3 Phase 4 Wire type. Carefully follow the wiring diagram below to connect the input and output phases and neutral lines. Ensure all connections are tight and secure.

Figuur 4.2: Detailed wiring diagram for 3 Phase 4 Wire connection.
- Connect the 'A phase in' and 'A phase out' wires.
- Connect the 'B phase in' and 'B phase out' wires.
- Connect the 'C phase in' and 'C phase out' wires.
- Connect the 'N neutral in/out' wire.
Gaan alle verbindings na voordat krag herstel word.
5. Bedryfsinstruksies
5.1 Aanvanklike opstart
Once wired correctly, restore power to the circuit. The meter's display should illuminate, showing the current energy consumption reading. The 'Active' and 'Network' indicators should light up, indicating proper operation and network connectivity.

Figuur 5.1: Meter display showing energy reading.
5.2 Tuya App Integration and Remote Monitoring
This meter integrates with the Tuya App for smart electricity management. Download the Tuya Smart App from your device's app store.
- Saambinding: Follow the instructions within the Tuya App to add a new device. The meter's 'Network' indicator will assist in confirming connectivity status during pairing.
- Afstandmonitering: Sodra dit gepaar is, kan jy view real-time energy consumption, historical data, and manage settings remotely through the app.
- Pre-payment Function: Utilize the app's features to manage pre-payment for electricity, helping to control energy usage and costs.
5.3 Lees van die skerm
The digital display shows the total accumulated energy consumption in kWh. The '800imp/kWh' indicator flashes to signify energy pulses, with 800 pulses representing 1 kilowatt-hour of consumption.

Figuur 5.2: Accurate measurement display.
6. Onderhoud
- Skoonmaak: Keep the meter clean and free from dust. Use a soft, dry cloth for cleaning. Do not use liquid cleaners or solvents.
- Inspeksie: Periodically inspect the wiring connections for any signs of loosening or damage. Ensure the transparent cover is securely closed.
- Omgewing: Ensure the meter is installed in a dry, well-ventilated area, away from direct sunlight, extreme temperatures, and corrosive environments.
- Geen gebruikerdiensbare onderdele nie: The meter contains no user-serviceable parts. Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
7. Probleemoplossing
| Probleem | Moontlike oorsaak | Oplossing |
|---|---|---|
| Meter display is off | Geen kragtoevoer nie; Los bedrading | Check power supply to the circuit. Verify all wiring connections are secure. |
| No energy reading | Incorrect wiring; No load connected | Review wiring diagram (Figure 4.2) and ensure correct connections. Confirm there is an active electrical load. |
| 'Network' indicator off/flashing | No 4G signal; Meter not paired with Tuya App | Ensure adequate 4G signal strength. Follow Tuya App pairing instructions. |
| Onakkurate lesings | Incorrect wiring; Faulty unit | Verify wiring. If problem persists, contact customer support. |
If you encounter issues not listed here or if troubleshooting steps do not resolve the problem, please contact FUZHUI customer support.
8. Waarborg en Ondersteuning
FUZHUI products are manufactured to high-quality standards. For warranty information and technical support, please refer to the documentation included with your purchase or contact FUZHUI customer service directly. Please have your model number (FUZHUI23qu7h5e4k) and purchase details ready when contacting support.