1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of the Kinco KC100 Series Variable Frequency Drive (VFD) Inverter. The KC100 series is designed for precise motor speed control in various industrial applications. Please read this manual thoroughly before installation or operation.
Description for non-visual users: The image displays two white rectangular VFD units. Both units feature a digital display (88.888) and a control panel with buttons for functions like FWD/REV, SHIFT, DATA, ENTER, STOP/RESET, and RUN. Terminal blocks for wiring are visible at the bottom of each unit. The larger unit is on the left, and a slightly smaller unit is on the right.
2. Safety Precautions
Always observe the following safety precautions to prevent personal injury or damage to the equipment.
- Ensure power is disconnected before installation, wiring, or maintenance.
- Only qualified personnel should install, operate, and maintain this equipment.
- Do not touch the VFD terminals immediately after power-off, as residual voltage may be present.
- Ground the VFD properly according to local electrical codes.
- Do not perform a dielectric strength test on the VFD.
- Install the VFD in a clean, dry, and well-ventilated environment, away from direct sunlight and corrosive gases.
3. Specifications
The Kinco KC100 Series VFD Inverters are available in various configurations. Key specifications include:
| Model | Input Phase | Output Phase | Power Rating (kW) |
|---|---|---|---|
| KC100-2S-0R40G | Single-phase | Three-phase | 0.4 |
| KC100-2S-0R75G | Single-phase | Three-phase | 0.75 |
| KC100-2S-01R5G | Single-phase | Three-phase | 1.5 |
| KC100-2S-02R2G | Single-phase | Three-phase | 2.2 |
| KC100-4T-0R75G | Three-phase | Three-phase | 0.75 |
| KC100-4T-01R5G | Three-phase | Three-phase | 1.5 |
| KC100-4T-02R2G | Three-phase | Three-phase | 2.2 |
| KC100-4T-03R7G | Three-phase | Three-phase | 3.7 |
| KC100-4T-05R5G | Three-phase | Three-phase | 5.5 |
General Specifications:
- Control Mode: V/F control, Sensorless Vector Control (SVC)
- Output Frequency Range: 0-600 Hz
- Overload Capacity: 150% for 60 seconds, 180% for 10 seconds
- Protection Functions: Overcurrent, overvoltage, undervoltage, overheat, overload, short circuit, etc.
- Operating Temperature: -10°C to 40°C
- Humidity: Less than 90% RH (non-condensing)
- Altitude: Below 1000m
4. Setup and Installation
4.1 Mounting
Mount the VFD vertically on a flat, non-flammable surface. Ensure adequate clearance around the unit for proper ventilation (at least 10 cm above and below, and 5 cm on the sides).
4.2 Wiring
All wiring must comply with local and national electrical codes. Use appropriate wire gauges for the VFD's power rating.
- Power Input (R, S, T or L, N): Connect the main power supply to the input terminals. For single-phase models (2S), connect to L and N. For three-phase models (4T), connect to R, S, T.
- Motor Output (U, V, W): Connect the motor's three-phase windings to these terminals.
- Ground (PE): Connect the ground terminal to a reliable earth ground.
- Control Terminals: Refer to the detailed wiring diagram in the full manual for connecting external control signals (e.g., start/stop, speed reference, fault relay).
WARNING: Incorrect wiring can cause severe damage to the VFD, motor, or personal injury. Always double-check connections before applying power.
5. Operating Instructions
5.1 Initial Power-Up
- After verifying all wiring, apply power to the VFD.
- The display should light up, typically showing the default frequency or a parameter code.
5.2 Basic Operation via Control Panel
- RUN Button: Press to start the motor.
- STOP/RESET Button: Press to stop the motor or reset a fault.
- FWD/REV Button: Toggles motor direction (if configured).
- SHIFT Button: Used to move the cursor or shift digits during parameter setting.
- DATA/ENTER Button: Confirms parameter settings or enters sub-menus.
- Up/Down Arrows: Adjust frequency, change parameter values, or navigate menus.
5.3 Parameter Setting
The VFD has numerous parameters for customization. Refer to the full programming manual for a complete list and detailed descriptions. Common parameters include:
- P0.00: Run command source (keypad, terminal, communication)
- P0.01: Frequency command source (keypad, analog input, communication)
- P0.03: Max output frequency
- P0.04: Base frequency
- P0.05: Max output voltage
- P0.06: Acceleration time
- P0.07: Deceleration time
To set a parameter:
- Press the DATA/ENTER button to enter the parameter menu.
- Use the Up/Down Arrows to navigate to the desired parameter group (e.g., P0).
- Press DATA/ENTER again to enter the group.
- Use Up/Down Arrows to select the specific parameter (e.g., P0.01).
- Press DATA/ENTER to view its current value.
- Use Up/Down Arrows to change the value. Use SHIFT to move between digits.
- Press DATA/ENTER to save the new value.
- Press DATA/ENTER repeatedly or wait for timeout to exit the menu.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your VFD.
6.1 Daily Checks
- Monitor the VFD's operating status, display, and indicator lights.
- Listen for unusual noises from the VFD or motor.
- Check for any abnormal vibrations or smells.
6.2 Weekly/Monthly Checks
- Clean the VFD's exterior and cooling fins to ensure proper heat dissipation.
- Check the ambient temperature and humidity.
- Inspect wiring connections for looseness or damage.
6.3 Annual Checks
- Inspect cooling fans for proper operation and cleanliness. Replace if necessary.
- Check the capacitance of the DC bus capacitors (requires specialized equipment and expertise).
- Verify all terminal connections are tight.
CAUTION: Always disconnect power and wait for the DC bus voltage to discharge completely before performing any internal maintenance.
7. Troubleshooting
This section provides basic troubleshooting steps for common issues. For complex problems, consult a qualified technician or Kinco support.
| Problem | Possible Cause | Solution |
|---|---|---|
| VFD does not power on | No input power; Blown fuse; Internal fault | Check power supply; Replace fuse; Contact support |
| Motor does not run | Incorrect run command; Motor wiring error; VFD fault | Verify run command source (P0.00); Check motor connections (U, V, W); Check VFD display for fault codes |
| Overcurrent fault (OC) | Motor overload; Short circuit in motor/cables; Rapid acceleration/deceleration | Reduce load; Check motor/cables; Increase acceleration/deceleration time (P0.06, P0.07) |
| Overvoltage fault (OV) | Rapid deceleration; High input voltage | Increase deceleration time (P0.07); Check input voltage; Consider braking resistor if needed |
8. User Tips
- For precise speed control, consider using an external potentiometer connected to the analog input terminals.
- Always ensure the motor parameters (rated current, frequency, voltage) are correctly entered into the VFD for optimal performance and protection.
- If experiencing electromagnetic interference, ensure proper grounding and consider using shielded cables for motor and control wiring.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your authorized Kinco distributor or visit the official Kinco website. Keep your purchase receipt and product serial number handy when contacting support.
Manufacturer: Kinco Automation
Origin: Mainland China
