User Manual: Generic Tuya 8-in-1 AC Energy Meter (Model FHC 302L)

1. บทนำ

This manual provides comprehensive instructions for the installation, operation, and maintenance of the Generic Tuya 8-in-1 AC Energy Meter, Model FHC 302L. This device is designed to monitor various electrical parameters including voltage, current, power, timing, electrical energy consumption, temperature, frequency, and power factor. It features a digital color display for clear data visualization and includes a relay breaker for protection functions. Please read this manual thoroughly before using the product to ensure safe and efficient operation.

2. ข้อมูลด้านความปลอดภัย

Warning: Electrical installation should only be performed by qualified personnel. Disconnect all power before installation, wiring, or maintenance to prevent electric shock or damage to the device.

• Ensure the power supply is completely disconnected before handling the device.
• Verify all wiring connections are correct and secure according to the provided diagrams. Incorrect wiring can lead to device malfunction, fire, or electric shock.
• ไม่เกินปริมาตรที่กำหนดtage (170-270V) and current (63A) ratings to avoid damage to the meter and connected circuits.
• Install the device in a dry, well-ventilated area, away from direct sunlight, high temperatures, and corrosive gases.
• Do not disassemble or modify the device. Unauthorized modifications will void the warranty and may pose safety risks.

3. สินค้าหมดview

3.1. คุณสมบัติ

• การวัดแบบ 8-in-1: Monitors Voltage (V), Current (A), Power (kW), Timing (Hrs), Electrical Energy (Kwh), Temperature (℃), Frequency (Hz), and Power Factor (PF).
• จอแสดงผลสีดิจิตอล: High-definition interface for clear and precise data display.
• Relay Breaker Function: Integrated relay for automatic power cut-off based on configurable protection settings.
• หน่วยความจำไฟดับ: Retains data and settings even after a power outage.
• ฟังก์ชันการป้องกัน: Supports over-voltage, ต่ำกว่า voltage, over-current, over-power, over-temperature, and timer power-off protections.
• การติดตั้งราง DIN: Standard guide rail mounting for easy and secure installation without screws.
• ไม่มีการเชื่อมต่อ Wi-Fi: This specific model (FHC 302L / KWS-302L) does not include Wi-Fi functionality or app control.

3.2 ส่วนประกอบ

The product consists of the main energy meter module, designed for DIN rail mounting.

คำอธิบายภาพ: ด้านหน้า view of the energy meter, showing the digital color display with various electrical parameters (voltage, current, power, energy, frequency, temperature, power factor) and input/output terminals labeled 'N' and 'L'. Note: This image may show the KWS-302WF model, but the FHC 302L (KWS-302L) shares the same physical appearance and dimensions, differing in Wi-Fi functionality.

4. การตั้งค่าและการติดตั้ง

4.1. ขนาด

คำอธิบายภาพ: Diagram illustrating the physical dimensions of the energy meter in millimeters. The device measures approximately 65.6mm in width, 78.8mm in length, and 82mm in height (including terminals). These dimensions are standard for DIN rail mounting.

4.2. การติดตั้ง

The FHC 302L energy meter is designed for standard DIN rail installation. Simply clip the device onto a compatible DIN rail. No screws are required for mounting, making installation quick and easy.

คำอธิบายภาพ: This image shows the standard DIN rail mounting process and a simplified wiring diagram. The top terminals are for input (N and L), and the bottom terminals are for output (N and L). The device securely clips onto the DIN rail.

4.3. การเดินสาย

Follow these steps for safe and correct wiring:

1. ตัดการเชื่อมต่อไฟฟ้า: Ensure the main power supply to the circuit is completely turned off before starting any wiring.
2. การเชื่อมต่ออินพุต: Connect the incoming Neutral (N) wire to the top-left terminal labeled 'N IN'. Connect the incoming Live (L) wire to the top-right terminal labeled 'L IN'.
3. การเชื่อมต่อเอาท์พุต: Connect the outgoing Neutral (N) wire to the bottom-left terminal labeled 'N OUT'. Connect the outgoing Live (L) wire to the bottom-right terminal labeled 'L OUT'.
4. การเชื่อมต่อที่ปลอดภัย: Tighten all terminal screws firmly to ensure good electrical contact and prevent loose connections.
5. คืนค่าพลัง: Once all connections are secure and verified, restore power to the circuit. The meter's display should illuminate.

5. คู่มือการใช้งาน

5.1. แสดงข้อมูล

The digital color display provides real-time readings of various electrical parameters:

• เล่มที่tagอี (วี): Displays the current AC voltage.
• ปัจจุบัน (A): Shows the current flowing through the circuit.
• กำลังไฟฟ้า (kW): Indicates the instantaneous active power consumption.
• Electrical Energy (Kwh): Accumulates total energy consumption. This value is retained even after power loss.
• Timing (Hrs): Measures the total operating time of the device.
• Temperature (℃): Displays the internal temperature of the device or ambient temperature.
• ความถี่ (Hz): Shows the AC power frequency.
• ค่ากำลังไฟฟ้า (PF): Indicates the power factor of the load.

5.2. ปุ่มฟังก์ชัน

The device features two buttons on the right side of the display, typically used for navigation and setting parameters. The symbols '开' (Open) and '关' (Close) next to the buttons indicate their primary function for controlling the integrated relay.

• ข่าวสารแบบสั้น: Cycle through different display modes (e.g., voltage, current, power, etc.).
• กดแบบยาว: Enter settings mode for protection parameters or to reset accumulated data (refer to specific on-screen prompts).
• การควบคุมรีเลย์: The buttons can manually open or close the relay, effectively turning the connected load on or off.

5.3. Protection Functions (Model FHC 302L / KWS-302L)

The FHC 302L model includes robust protection features that automatically trip the integrated relay to cut off power when abnormal conditions are detected. These settings are configurable via the device's buttons.

คำอธิบายภาพ: A table detailing the features of the KWS-302L model (equivalent to FHC 302L). It confirms 'Yes' for Power failure memory, Under-voltage protection, and Over-voltage protection, and 'None' for Wi-Fi functionality.

• เกินปริมาณtagการป้องกันอี: Automatically disconnects power if the voltage exceeds a set maximum threshold.
• ภายใต้ฉบับtagการป้องกันอี: Automatically disconnects power if the voltage drops below a set minimum threshold.
• การป้องกันกระแสเกิน: Disconnects power if the current exceeds a set maximum limit.
• Over-power Protection: Disconnects power if the total power consumption exceeds a set maximum limit.
• การป้องกันอุณหภูมิเกิน: Disconnects power if the device's internal temperature exceeds a safe operating limit.
• Timer Power-off Protection: Allows setting a timer for automatic power disconnection.
• Screen Hibernation: Configurable setting to dim or turn off the display after a period of inactivity to save energy.

6. ข้อมูลจำเพาะ

คำอธิบายภาพ: A detailed table comparing the specifications of KWS-302WF, KWS-302L (FHC 302L), and KWS-302 models. The FHC 302L (KWS-302L) column highlights its specific parameters and features, including the absence of Wi-Fi.

7. การบำรุงรักษา

The FHC 302L energy meter requires minimal maintenance. Follow these guidelines:

• การทำความสะอาด: Use a soft, dry cloth to clean the device's exterior. Do not use abrasive cleaners, solvents, or liquids that could damage the display or internal components.
• การตรวจสอบ: Periodically check the wiring connections to ensure they remain tight and free from corrosion.
• สิ่งแวดล้อม: Ensure the operating environment remains within the specified temperature and humidity ranges to prolong the device's lifespan.

8 การแก้ไขปัญหา

If you encounter issues with your FHC 302L energy meter, refer to the following common problems and solutions:

• ไม่มีจอแสดงผล:
  • ตรวจสอบว่าแหล่งจ่ายไฟเชื่อมต่อและทำงานอยู่หรือไม่
  • Verify that the input 'N' and 'L' wires are correctly and securely connected.
• การอ่านไม่ถูกต้อง:
  • Ensure the input and output wiring is correct and not reversed.
  • Confirm the load is within the specified operating ranges (170-270V, 0-63A).
• Relay Trips Unexpectedly:
  • Check if any of the protection thresholds (over-voltage, ต่ำกว่า voltage, over-current, over-power, over-temperature) have been exceeded. Adjust settings if necessary.
  • Verify the connected load is not faulty or drawing excessive power.
• ปุ่มไม่ตอบสนอง:
  • ตรวจสอบให้แน่ใจว่าอุปกรณ์เปิดอยู่
  • If the screen is in hibernation mode, a short press might wake it up.

If the problem persists after attempting these solutions, please contact the seller or a qualified electrician for assistance.

9. การรับประกันและการสนับสนุน

This product is sold under the 'Generic' brand. Standard consumer warranty rights apply as per local regulations. For specific warranty details, technical support, or service inquiries, please contact your point of purchase or the seller directly. Keep your purchase receipt as proof of purchase.