Huanyang GT Series VFD Inverter Instruction Manual

1. Product Overview

The Huanyang GT Series Vector Control Variable Frequency Drive (VFD) Inverter is designed for precise motor control in various industrial and machinery applications. This manual provides essential information for safe and efficient operation.

Figure 1: Front view of the GT Series VFD Inverter

Technical Features:

• PID Control: Advanced calculous PID closed-loop arithmetic for quick response and high suitability.
• Easy PLC Function: Realizes 16 legs of speed and inverter control.
• RS485 Communication: Adopts standard international MODBUS main circuit control.
• Anti-jamming Capability: Extremely strong anti-jamming performance.
• Low Output Torque: 0.5Hz-150% rating, with good low-speed running ability.
• Adjustable Carrier: Up to 16KHz for a soundless working environment.
• Broad Voltage Range: Normal operation within 304V-456V.
• Auto Voltage Regulation (AVR): Ensures inverter load capability.
• Dead-time Compensation: Auto torque slip compensation function for 180% high torque output at low frequency (0.25Hz).

2. Specifications

Figure 2: VFD Inverter Dimensions

3. Setup and Wiring

3.1 Initial Inspection

Before installation, inspect the VFD for any physical damage. Ensure all components are present as listed in the package contents.

3.2 Motor Voltage Setup

Ensure your motor's voltage is correctly configured. For motors that support both 220V and 440V, set it to the low voltage (220V) configuration. This typically involves connecting the X-Y-Z terminals together and the U-V-W terminals together, as indicated on your motor's nameplate.

3.3 Power and Motor Connections

Refer to the wiring diagrams below for proper connection. Always ensure power is disconnected before making any wiring changes.

Figure 3: Basic Wiring for 220VAC Input to a Three-Phase Motor

• Input Power (220V Single Phase): Connect the two live wires of your 220V AC power supply to the 'R' and 'S' terminals on the VFD.
• Ground Connection: Connect the ground wire to the 'E' terminal (green wire in diagrams).
• Motor Output: Connect the three-phase motor wires to the 'U', 'V', and 'W' terminals. The order of these connections determines the motor's rotation direction. If the motor rotates in the wrong direction, you can swap any two of these three wires to reverse the rotation.

Figure 4: Single-Phase 220V Input Wiring

Figure 5: Typical Wiring Diagram with Control Circuit Terminals

3.4 Control Circuit Terminals

The VFD features control circuit terminals for external control. These include connections for 485+, 485-, +10V, GND, S1-S7, AO1, AO2, COM, PW, +24V, HDI, HDO, RO1A, RO1B, RO1C.

Figure 6: Control Circuit Terminals

3.5 Programming Parameters (Example for 220V, 8.5A, 1720 RPM Motor)

The following parameters are crucial for initial setup. Consult the full manual for detailed parameter descriptions.

3.6 External Control (Forward/Reverse Switch)

If PD001 is set to 1, the VFD will respond to external switch inputs for motor control. A simple rotary switch or toggle switch can be used to connect the DCM terminal to the designated forward (PD044) or reverse (PD045) control terminals.

4. Operation

4.1 Control Panel

The VFD features a digital display and a keypad for direct control and parameter adjustment.

Figure 7: VFD Control Panel

• Digital Display: Shows current frequency, parameters, and error codes.
• PROG/ESC Key: Enters/exits programming mode, escapes current menu.
• SHIFT Key: Shifts cursor during parameter editing.
• RUN Key: Starts motor operation.
• DATA SET Key: Confirms parameter changes.
• QUICK/JOG Key: Shortcut key, often used for jogging the motor.
• STOP/RST Key: Stops motor operation, resets faults.
• Up/Down Arrows: Navigate menus, adjust parameter values.

4.2 Basic Operation

1. Power On: Ensure all wiring is correct and secure before applying power.
2. Start Motor: Press the 'RUN' button on the control panel, or activate the external switch if configured (PD001=1).
3. Adjust Speed: Use the Up/Down arrow keys to adjust the output frequency, thereby changing the motor speed.
4. Stop Motor: Press the 'STOP/RST' button, or deactivate the external switch.

5. Maintenance

5.1 Cooling System

The VFD is equipped with a DC cooling fan and an aluminum base for efficient heat dissipation. Ensure the fan vents are clear of obstructions to maintain proper airflow and prevent overheating.

Figure 8: DC Cooling Fan and Aluminum Base

• Regularly clean dust and debris from the fan and heat sink fins.
• Ensure the VFD is installed in an environment with adequate ventilation.

5.2 General Care

• Keep the VFD clean and dry. Avoid exposure to moisture, corrosive gases, or excessive dust.
• Periodically check all wiring connections for tightness and signs of wear or damage.
• The control board is removable for maintenance or replacement.

Figure 9: Removable Control Board

6. Troubleshooting

6.1 Common Issues

• VFD Trips Out During Deceleration: If the VFD trips during rapid deceleration, the deceleration time (PD015) may be too short for the motor's inertia. Increase the value of PD015. For very fast deceleration requirements, an external braking resistor may be necessary. Refer to the VFD's comprehensive manual for resistor sizing and connection instructions.
• Incorrect Motor Rotation: If the motor spins in the wrong direction after initial setup, swap any two of the three output wires (U, V, W) connected to the motor.
• VFD Not Responding to RUN Button: If you have configured external control (PD001=1), the 'RUN' button on the VFD's panel will be disabled. Ensure your external switch is correctly wired and activated.

7. Warranty and Support

The Huanyang GT Series VFD Inverter comes with a 3-year limited warranty. For technical support or warranty claims, please contact your seller or the manufacturer directly.

8. User Tips

• Motor Nameplate Data: Always refer to your motor's nameplate for accurate voltage, amperage, and RPM values when programming the VFD.
• External Control: Utilizing an external rotary or toggle switch for forward/reverse control can enhance safety and convenience, especially in workshop environments.
• Acceleration/Deceleration: Adjusting the acceleration (PD014) and deceleration (PD015) times is crucial for smooth motor operation and to prevent VFD trips. Start with longer times and gradually decrease them if faster response is needed.
• Cooling: Ensure adequate ventilation around the VFD to prevent overheating, which can prolong the life of the unit.