1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the NFLIXIN 9100-1T3 Variable Frequency Drive (VFD). This VFD is designed to convert a single-phase 220V input into a three-phase 380V output, enabling precise speed control for AC motors. Please read this manual thoroughly before using the product to ensure proper function and to prevent damage or injury.
2. Safety Information
WARNING: Improper installation or operation can lead to serious injury or death. Only qualified personnel should install, operate, and maintain this equipment.
- Always disconnect power before performing any wiring or maintenance.
- Ensure proper grounding to prevent electrical shock.
- Do not touch electrical components when power is applied.
- Verify input and output voltage ratings match your application.
- Install the VFD in a clean, dry, and well-ventilated area, away from direct sunlight, corrosive gases, and flammable materials.
- Protect the VFD from dust, metal particles, and moisture.
- Ensure all connections are secure and properly insulated.
3. Product Overview
The NFLIXIN 9100-1T3 VFD is a high-performance variable frequency inverter designed for precise motor speed control. It features a compact design and robust construction suitable for various industrial applications.
3.1 Key Features
- Single-phase 220V input to three-phase 380V output.
- Output power options: 0.75KW, 1.5KW, 2.2KW.
- Output frequency range: 0-400Hz.
- Control modes: Open loop vector control (SVC) and V/F control.
- Integrated control panel for easy operation.
- Compact and durable design.
3.2 Components
The VFD consists of a main unit with a control panel, input/output terminals, and a cooling system.

Figure 1: Front view of the NFLIXIN 9100-1T3 VFD, showing the main unit with its black casing, control panel, and terminal blocks.

Figure 2: Close-up view of the VFD control panel, featuring a digital display, 'RUN' and 'STOP/RESET' buttons, navigation keys, and a rotary potentiometer for speed adjustment.
4. Specifications
Technical specifications for the NFLIXIN 9100-1T3 VFD series:
| Parameter | 0.75KW Model | 1.5KW Model | 2.2KW Model |
|---|---|---|---|
| Input Voltage | 1 Phase 220V ±15% | 1 Phase 220V ±15% | 1 Phase 220V ±15% |
| Output Voltage | 3 Phase 380V ±15% | 3 Phase 380V ±15% | 3 Phase 380V ±15% |
| Rated Frequency | 50Hz/60Hz | 50Hz/60Hz | 50Hz/60Hz |
| Output Frequency Range | 0~400Hz | 0~400Hz | 0~400Hz |
| Rated Current | 2.5A | 3.5A | 5A |
| Control Way | Open loop vector control (SVC), V/F control | ||
| Dimensions (L x W x H) | Approximately 82mm x 135mm x 155mm | ||
| Item Weight | Approximately 50 Grams (Note: This seems unusually low for a VFD, please verify actual product weight.) | ||
5. Installation
5.1 Mounting
Mount the VFD vertically on a flat, stable surface. Ensure adequate clearance around the unit for proper ventilation and heat dissipation. Avoid mounting in direct sunlight or near heat sources. The VFD features a heatsink design for efficient cooling.

Figure 3: Side view of the VFD, highlighting the prominent heatsink fins designed for thermal management.

Figure 4: Rear view of the VFD, displaying the full extent of the heatsink for effective heat dissipation.
5.2 Wiring
All wiring must comply with local electrical codes and regulations. Use appropriate wire gauges for the VFD's current rating. Ensure all connections are tight and secure.
- Input Power (L, N): Connect the single-phase 220V AC power supply to the designated input terminals (typically marked L and N or R and S).
- Ground (PE): Connect the protective earth ground wire to the ground terminal (PE). This is crucial for safety.
- Output Power (U, V, W): Connect the three-phase motor leads to the VFD's output terminals (U, V, W). Ensure correct phase sequence for desired motor rotation.
- Control Terminals: Connect external control signals (e.g., start/stop, speed reference, fault reset) to the control terminals as per your application requirements. Refer to the VFD's detailed wiring diagram (not provided in this general manual) for specific terminal functions.

Figure 5: Top view of the VFD, illustrating the various terminal blocks for power input, motor output, and control signals.

Figure 6: Bottom view of the VFD, showing the cooling fan and additional terminal connections, likely for control or communication.
6. Operating Instructions
6.1 Control Panel Functions
The VFD's control panel (refer to Figure 2) allows for local operation and parameter setting.
- Digital Display: Shows operating status, frequency, current, voltage, and parameter values.
- RUN Button: Starts the motor.
- STOP/RESET Button: Stops the motor or clears fault indications.
- PRG/ESC Button: Enters/exits parameter setting mode.
- Up/Down Arrows: Navigate through parameters or adjust values.
- Left/Right Arrows: Shift cursor or change parameter groups.
- RD/WT (Read/Write) Button: Confirms parameter changes.
- Rotary Potentiometer (LOC/REM): Adjusts output frequency (speed) in local control mode.
6.2 Basic Operation
- Power On: Apply single-phase 220V power to the VFD. The display will illuminate.
- Set Frequency:
- Local Control: Use the rotary potentiometer to set the desired output frequency.
- Parameter Setting: Press PRG/ESC to enter parameter mode, navigate to the frequency setting parameter (e.g., F0.01), adjust with arrow keys, and confirm with RD/WT.
- Start Motor: Press the RUN button. The motor will accelerate to the set frequency.
- Stop Motor: Press the STOP/RESET button. The motor will decelerate and stop.
- Fault Reset: If a fault occurs, the display will show an error code. After addressing the cause, press the STOP/RESET button to clear the fault.
6.3 Parameter Settings
The VFD has numerous parameters for advanced configuration, including acceleration/deceleration times, motor parameters, control modes, and protection settings. Refer to the detailed programming manual (if available) for a complete list and explanation of parameters. Always back up critical parameters before making significant changes.
7. Maintenance
Regular maintenance ensures the longevity and reliable operation of your VFD.
- Cleaning: Periodically clean the VFD's exterior, especially the heatsink fins and cooling fan, to prevent dust accumulation. Use a soft, dry cloth or compressed air. Ensure power is disconnected before cleaning.
- Inspection: Regularly inspect wiring connections for looseness or signs of damage. Check for any unusual noises or odors during operation.
- Environmental Conditions: Ensure the operating environment remains within specified temperature and humidity ranges.
- Fan Replacement: If the cooling fan becomes noisy or stops working, it may need replacement by a qualified technician.
8. Troubleshooting
This section provides solutions to common issues. For complex problems, contact qualified technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| VFD does not power on | No input power; Blown fuse; Wiring error | Check power supply; Inspect fuses; Verify input wiring. |
| Motor does not run | VFD not in RUN mode; Incorrect frequency setting; Motor wiring error; Overload | Press RUN; Adjust frequency; Check motor connections; Reduce load. |
| Overcurrent fault (OC) | Motor overload; Short circuit in motor wiring; Rapid acceleration/deceleration | Reduce load; Check motor wiring; Increase acceleration/deceleration time parameters. |
| Overvoltage fault (OV) | High input voltage; Rapid deceleration with high inertia load | Check input voltage; Increase deceleration time; Consider braking resistor if applicable. |
| Undervoltage fault (UV) | Low input voltage; Momentary power loss | Check input voltage stability; Ensure power supply meets requirements. |
| Overheat fault (OH) | Poor ventilation; High ambient temperature; Clogged heatsink/fan | Improve ventilation; Clean heatsink/fan; Reduce ambient temperature. |
9. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact your vendor. Keep your purchase receipt as proof of purchase.
Manufacturer: CZPBXOX