1. Introduction
This manual provides essential information for the safe and efficient operation of your Hilitand AT1-2200X Variable Frequency Drive (VFD). The AT1-2200X is a single-phase 220V AC input VFD designed to control 2.2kW three-phase AC motors, offering precise speed regulation and high performance. Please read this manual thoroughly before installation, operation, or maintenance.
Figure 1: Front view of the Hilitand AT1-2200X Variable Frequency Drive, showing the control panel and safety label.
2. Safety Precautions
To ensure safe operation and prevent damage to the equipment or injury to personnel, observe the following safety guidelines:
- Improper operation may result in death, serious injury, or significant property damage. Always follow instructions carefully.
- Always disconnect power before performing any wiring, inspection, or maintenance. Failure to do so can result in electric shock.
- Never connect the U/V/W output terminals to an AC power supply. Doing so will cause severe damage to the inverter.
- Ensure the inverter's ground terminal is properly connected to earth ground. This is crucial for electrical safety.
- Do not install this device in environments containing explosive gases to prevent fire hazards.
- Wiring and internal maintenance should only be performed by qualified professionals. The inverter contains high voltage components; do not open the casing.
3. Product Features
The Hilitand AT1-2200X VFD incorporates advanced technology to deliver reliable and efficient motor control:
- Optimized PWM Control: Utilizes advanced Pulse Width Modulation (PWM) control technology for enhanced electromagnetic compatibility, reducing electromagnetic interference and noise levels.
- Robust Performance: Offers good anti-trip performance and high adaptability to fluctuations in power, temperature, humidity, and dust, ensuring greatly improved stability in various industrial environments.
- Efficient Heat Dissipation: Designed with a large heat sink to facilitate superior heat dissipation, contributing to the longevity and stable operation of the device.
- High Precision Control: Employs a unique control method to achieve high torque, high precision, and a wide speed regulation range, resulting in high overall performance.
- User-Friendly Design: Simple to operate and wire, featuring convenient screw terminals for easy and secure connections.
Figure 2: Internal view of the Hilitand AT1-2200X VFD, highlighting the large heatsink for efficient cooling.
4. Specifications
| Specification | Value |
|---|---|
| Brand | Hilitand |
| Model Number | AT1-2200X |
| Product Dimensions (L x W x H) | 18 x 12.5 x 18 cm (7.1 x 4.9 x 7.1 inches) |
| Voltage | 220 Volts AC (Single-Phase Input) |
| Output for Motor | Three-Phase AC |
| Rated Power | 2.2 kW |
| Amperage | 12 A |
| Maximum Rotation Speed | 10000 rpm |
| Item Weight | 1.3 Kilograms |
| Power Source | Corded Electric |
| Country of Origin | China |
Figure 3: Side view of the Hilitand AT1-2200X VFD, indicating its physical dimensions.
5. Installation and Wiring
Proper installation and wiring are critical for the safe and correct operation of the VFD. Refer to the terminal instructions below and ensure all connections are secure and comply with local electrical codes.
5.1 Terminal Instructions
| Terminal | Function | Details |
|---|---|---|
| 15V / 24V | 15V / 24V Power Input | 200mA 15V / 24V Power Output |
| X6 | Input Terminal 6 (Wire Control CW / CCW Switch) | X6 connects to COM, input signal is effective |
| X5 | Input Terminal 5 (Wire Control CCW) | X5 connects to COM, input signal is effective |
| X4 | Input Terminal 4 (Wire Control CW) | X4 connects to COM, input signal is effective |
| X3 | Input Terminal 3 (Speed Range 3) | X3 connects to COM, input signal is effective |
| X2 | Input Terminal 2 (Speed Range 2) | X2 connects to COM, input signal is effective |
| X1 | Input Terminal 1 (Speed Range 1) | X1 connects to COM, input signal is effective |
| 485 + / 485- | 485 Communication Port | |
| COM | Common Terminal | |
| VI1 | External Analog Voltage Input | 0-5V / 10V Analog Voltage Input |
| CI | External Current Signal Input | 4-20mA Current Signal Input |
| SP1 | Open Collector Output 1 | |
| SP2 | Open Collector Output 2 | |
| 5V / 10V | 5V / 10V Power Output | 20mA |
| TC | Relay Output | 250VAC 5A / 30VDC 3A (TA and TB are NC, TA and TC are NO) |
| TB | Relay Output | 250VAC 5A / 30VDC 3A (TA and TB are NC, TA and TC are NO) |
| TA | Relay Output | 250VAC 5A / 30VDC 3A (TA & TB are NC, TA & TC are NO) |
5.2 Power and Motor Connections
| Terminal | Function |
|---|---|
| L, N | Single-Phase AC 220V Input |
| U, V, W | Output, connect to three-phase AC motor |
| GND | Ground |
Figure 4: Bottom view of the Hilitand AT1-2200X VFD, illustrating the wiring terminals for power and motor connections.
Important Note: When adjusting parameters, the VFD must be stopped. Parameters cannot be saved if the unit is operating during adjustment.
6. Operating Instructions
The Hilitand AT1-2200X VFD features an intuitive control panel for easy operation. Familiarize yourself with the buttons and display before starting.
6.1 Control Panel Overview
- DISP: Display button to cycle through various display parameters (e.g., frequency, current, voltage).
- PROG/DATA: Program/Data button to enter programming mode or confirm data entry.
- FWD/REV: Forward/Reverse button to change motor rotation direction.
- Up/Down Arrows: Used to navigate menus and adjust parameter values.
- RUN: Starts the motor.
- STOP/RESET: Stops the motor or resets errors.
- Rotary Knob: Used for fine-tuning frequency or speed adjustments.
6.2 Basic Operation
- Power On: Ensure all wiring is correct and secure, then apply single-phase 220V AC power to the L and N terminals. The display will light up.
- Set Frequency/Speed: Use the Up/Down arrow buttons or the rotary knob to set the desired output frequency (motor speed).
- Start Motor: Press the RUN button to start the motor.
- Change Direction: If needed, press the FWD/REV button to switch the motor's rotation direction.
- Stop Motor: Press the STOP/RESET button to stop the motor.
6.3 Parameter Setting
The VFD has various programmable parameters to customize its operation. Refer to the detailed programming guide (usually provided separately or accessible via the PROG/DATA button) for specific parameter codes and their functions. Remember to stop the VFD before entering programming mode to save changes.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your VFD.
- Cleaning: Keep the VFD clean and free from dust and debris. Use a soft, dry cloth for cleaning. Do not use liquid cleaners.
- Ventilation: Ensure adequate airflow around the VFD. Regularly check that the cooling fans and heatsink fins are not obstructed.
- Connections: Periodically inspect all wiring connections for tightness and signs of corrosion or damage. Tighten any loose connections.
- Environment: Operate the VFD within its specified environmental conditions (temperature, humidity, dust levels) to prevent premature failure.
- Professional Inspection: For complex issues or internal inspections, consult a qualified technician.
8. Troubleshooting
This section provides solutions to common issues you might encounter with your VFD. For problems not listed here, or if solutions do not resolve the issue, contact technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| VFD does not power on | No input power; faulty wiring; internal fuse blown. | Check power supply and connections (L, N). Verify input voltage. Consult a professional for internal inspection. |
| Motor does not start | Incorrect wiring (U, V, W); parameter settings incorrect; motor overload; emergency stop active. | Verify motor wiring. Check parameter settings (e.g., frequency, motor type). Reduce load. Ensure no emergency stop is engaged. |
| Motor runs at incorrect speed | Frequency setting incorrect; speed range parameter misconfigured. | Adjust the frequency using the control panel. Check and correct speed range parameters (X1, X2, X3 settings). |
| VFD displays an error code | Overcurrent, overvoltage, undervoltage, overheat, etc. | Refer to the VFD's specific error code manual for detailed explanations and solutions. Press STOP/RESET to clear minor errors after addressing the cause. |
| Motor lacks power/torque | Incorrect default parameter settings (e.g., voltage/frequency curve); motor not matched to VFD. | As noted in a customer review, ensure default parameters are correctly set for your motor. Adjust voltage/frequency curve if necessary. Consult a professional if unsure. |
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact Hilitand customer service through the retailer where the product was purchased. Keep your purchase receipt as proof of purchase for warranty claims.