1. Introduction
This manual provides essential information for the safe and efficient operation of your DEWIN VFD Frequency Converter. This device is a 2.2kW, 380V, 3-phase input/output motor speed controller designed for a wide range of industrial applications. Please read this manual thoroughly before installation, operation, or maintenance to ensure proper usage and to prevent damage or injury.
Key Features:
- High Performance: Utilizes IPM and IGBT module design for enhanced efficiency, high performance, low heat generation, and stable quality.
- Integrated PID Control: Enables closed-loop control for pressure, temperature, and flow processes.
- Robust Anti-Interference: Excellent anti-tripping performance and adaptability to harsh power supplies, temperature, humidity, and interference.
- Comprehensive Protection: Includes overcurrent, overvoltage, undervoltage, module error, electronic thermal relay, overheating, short circuit, input/output phase loss, abnormal motor parameter settings, and internal memory error protection.
- User-Friendly Design: Compact size, easy installation with screw terminals, and a detachable control panel for flexible use.
2. Safety Instructions
WARNING: Failure to follow these safety instructions may result in serious injury or equipment damage.
- May cause injury or electric shock.
- Please wait at least 10 minutes until DC Bus capacitors discharge after power-off.
- Follow all safety instructions in this manual before installation or operation.
- Use proper grounding techniques.
- Do not connect power to the output terminals U, V, W.
- Only qualified personnel should perform installation, wiring, and maintenance.
- Ensure the power supply is disconnected before any wiring or maintenance.
3. Product Overview
The DEWIN VFD Frequency Converter is designed for precise motor speed control in various industrial settings.
Dimensions:
4. Installation
Mounting:
The DEWIN VFD Frequency Converter is designed for wall-mounted installation. Ensure adequate ventilation space around the unit for proper cooling.
Wiring Instructions:
The unit features screw terminals for easy and secure wiring. The control panel is detachable, which can facilitate wiring and installation.
5. Operation
Control Panel:
The control panel provides an intuitive interface for monitoring and adjusting the VFD's parameters.
Speed Adjustment:
Motor speed can be adjusted steplessly using the rotary knob on the control panel, offering a frequency range of 0-3000Hz.
PID Control:
The integrated PID function allows for precise closed-loop control of process variables such as pressure, temperature, and flow, optimizing system performance.
6. Advanced Features
RS485 Communication:
The VFD supports RS485 communication, allowing for integration into larger control systems and remote monitoring. The communication function is adjustable with 8 segments.
7. Maintenance
Regular maintenance ensures the longevity and reliable operation of your VFD. Always disconnect power before performing any maintenance.
- Cleaning: Keep the unit clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Ventilation: Ensure ventilation openings are clear and unobstructed to prevent overheating. The unit is equipped with a large radiator for efficient cooling.
- Connections: Periodically check all wiring connections for tightness and signs of wear or corrosion.
- Environmental Conditions: Operate the VFD within specified temperature and humidity ranges to avoid performance degradation.
8. Troubleshooting
The DEWIN VFD Frequency Converter includes various protection functions to safeguard the unit and connected equipment. If an error occurs, the unit will display a fault code or indication.
Common Protection Functions:
- Overcurrent protection
- Overvoltage protection
- Undervoltage protection
- Module error
- Electronic thermal relay (overheating)
- Short circuit protection
- Input and output phase loss
- Abnormal motor parameter settings
- Internal memory error
Refer to the detailed fault code list in the complete technical manual for specific troubleshooting steps for each error.
9. Specifications
| Feature | Specification |
|---|---|
| Model | GS109479-012 |
| Material | Process flame retardant ABS plastic |
| Color | White |
| Input Rated Voltage | Three-phase 380V |
| Input Rated Frequency | 50/60Hz |
| Output Rated Voltage | Three-phase 380V |
| Rated Output Current | 5.5A |
| Applicable Maximum Motor Power | 2.2kW |
| Output Frequency | Low frequency mode: 0-300Hz, High frequency mode: 0-3000Hz |
| Installation Method | Wall-mounted |
| Protection Class | IP20 |
| Cooling Method | Forced air cooling |
| Package Dimensions | 22 x 19 x 14 cm |
| Weight | 356 grams |
10. Warranty and Support
Information regarding product warranty and specific support contacts is not available in this document. Please refer to your purchase documentation or contact DEWIN customer service for details.