EXCELLWAY AT1-2200X 2.2KW PWM Control Inverter User Manual

1. Introduction

This manual provides essential information for the safe and efficient operation of your EXCELLWAY AT1-2200X 2.2KW PWM Control Inverter. This Variable Frequency Converter (VFD) is designed to convert single-phase 220V AC input into three-phase 220V AC output, enabling precise speed and frequency control for compatible AC asynchronous motors. Please read this manual thoroughly before installation, operation, or maintenance.

2. Safety Precautions

Failure to follow these safety instructions may result in electric shock, property damage, or serious injury.

• Do not connect to AC power supply before installation is complete.
• Ensure the ground terminal of the inverter is properly grounded.
• Do not touch the terminals of the inverter when power is supplied.
• Do not install the inverter in flammable, explosive, corrosive, or humid environments. Avoid environments with conductive gases.
• Do not disassemble or modify the inverter. Unauthorized modifications may lead to high pressure hazards and are strictly prohibited.
• All installation and wiring should be performed by qualified personnel.

3. Product Overview

3.1. Control Panel and Indicators

The inverter features an intuitive control panel for easy operation and monitoring.

• Numerical Display: Shows operational parameters and settings.
• Status Indicators: LEDs for Power, Run, Stop, FWD (Forward), REV (Reverse), r/min (Revolutions per minute).
• DISP (Shift Key): Used to shift between display parameters or digits during setting.
• PROG (Enter or Exit Programming): Enters or exits the programming menu.
• FUNC/DATA (Function/Data/Save): Selects functions, enters data, or saves settings.
• Up/Down Arrows (Numerical Modification Key): Adjusts numerical values.
• FWD/REV (Reversing Switch): Changes the motor's rotation direction.
• Speed Adjustment Knob: Analog control for adjusting output frequency/speed.
• RUN (Start Key): Initiates inverter operation.
• STOP/RESET (Stop or Reset Key): Stops operation or resets fault conditions.

Display Notes:
"r/min": Revolution per minute
"F": Frequency setting
"H": Operating frequency
"A": Operating current

4. Specifications

5. Installation and Wiring

5.1. Physical Installation

The inverter is designed with excellent heat dissipation, featuring two powerful cooling fans to effectively dissipate heat and increase service life. Ensure adequate ventilation around the unit when mounting.

5.2. Wiring Diagram

Follow the diagram below for correct electrical connections. Ensure all connections are secure and comply with local electrical codes.

6. Operating Instructions

6.1. Basic Operation

1. Power On: Ensure all wiring is correct and secure, then apply single-phase 220V AC power to the L and N terminals.
2. Frequency Setting: Adjust the desired output frequency using the Speed Adjustment Knob. The numerical display will show the current frequency setting.
3. Start Motor: Press the RUN button to start the motor.
4. Stop Motor: Press the STOP/RESET button to stop the motor.
5. Change Direction: Use the FWD/REV switch to change the motor's rotation direction while running or before starting.

6.2. Advanced Functions

• Control Modes: Supports V.F (Voltage/Frequency) control and Vector control for various motor applications.
• Frequency Setting Modes: Frequency can be set via digital input, analog input, serial communication, or PID control.
• Built-in PID Control: Allows for easy implementation of simple automated control systems.
• Internal PLC: Features a simple internal PLC with 6 multi-function input terminals for operations such as 0 speed, calculator functions, external exception program instructions, and alarms.
• Other Functions: Includes deceleration stop or freewheel stop, DC brake, automatic reset restart, and PLC program control.

7. Maintenance

7.1. Protection Functions

The inverter is equipped with multiple protection functions to ensure safe and stable operation, and to prolong its service life. These include:

• Overload Protection
• Overheating Protection
• Overvoltage Protection
• Undervoltage Protection
• Underphase Protection
• Overcurrent Protection

7.2. General Maintenance Tips

• Regularly inspect the inverter for any signs of damage or loose connections.
• Keep the cooling fans and vents free from dust and debris to ensure optimal heat dissipation.
• The panel and protective circuit are treated with a 'three anti-paint' coating to effectively prolong the service life of the frequency converter by protecting against moisture, dust, and corrosion.
• Ensure the operating environment remains within specified temperature and humidity ranges.

8. Troubleshooting

If the inverter experiences an issue, first check the display for any error codes or status indicators. Refer to the protection functions listed in Section 7.1. for common fault conditions.

• No Power: Check input power supply and all wiring connections (L, N terminals).
• Motor Not Running: Verify motor connections (U, V, W terminals), ensure the RUN button was pressed, and check frequency settings.
• Overload/Overcurrent: Reduce motor load or check for mechanical issues with the motor.
• Overheating: Ensure proper ventilation and clear any obstructions from the cooling fans.
• Unusual Noise/Vibration: Check motor and inverter mounting, and ensure all connections are tight.

For persistent issues, consult a qualified technician or contact customer support.

9. User Tips

No specific user tips from reviews or Q&A were available for this product at the time of manual creation.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.