1. Introdución
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the OUMIFAND SU600 Series Variable Frequency Drive (VFD). The SU600 VFD is designed to convert single-phase 220V input power to three-phase 380V output, enabling precise speed control for three-phase motors ranging from 0.75KW to 5.5KW. Please read this manual thoroughly before using the product.
2. Información de seguridade
Observe sempre as seguintes precaucións de seguridade para evitar lesións persoais ou danos ao equipo:
- Risco eléctrico: Ensure all power is disconnected before installation, wiring, or maintenance. Only qualified personnel should perform electrical work.
- Conexión a terra: The VFD must be properly grounded to prevent electric shock.
- Protección contra sobrecarga: Do not exceed the rated current or power of the VFD and connected motor.
- Ambiente: Install the VFD in a clean, dry, and well-ventilated area, away from direct sunlight, corrosive gases, and excessive vibration.
- Descarga do condensador: Wait at least 5 minutes after disconnecting power before touching internal components, as capacitors may retain a dangerous charge.
3. Produto rematadoview
The OUMIFAND SU600 VFD is a robust frequency converter designed for industrial applications. It features a compact design and a user-friendly interface for controlling motor speed and torque.

Figure 3.1: SU600 VFD Product Parameters. This image displays the OUMIFAND SU600 Variable Frequency Drive, highlighting its model number SU600-0R75G1, adapted motor power of 0.75KW (1HP), input voltage of single-phase 220V, output voltage of three-phase 380V, current of 2.5A, dimensions of 147x72x118.4mm, and a weight of 0.72Kg.

Figure 3.2: Inverter Components Display. This image shows the internal components of the SU600 VFD, emphasizing the main board's characteristics: waterproof, moisture-proof, and mildew-proof design for enhanced durability in various environments.
4. Configuración e instalación
Proper installation is crucial for the VFD's performance and safety. Follow the wiring diagram carefully.
4.1 Diagrama de cableado
Connect the input power, motor, and optional brake resistor according to the diagram below. Ensure all connections are secure and correctly polarized.

Figure 4.1: SU600 VFD Wiring Diagram. This diagram illustrates the connection points for the OUMIFAND SU600 VFD. It shows the input power connection (R, S/L1, T/L2), output power connection to the motor (U, V, W), brake resistor connection (P+, PB), and the essential ground wire connection.
- Potencia de entrada: Connect single-phase 220V AC power to terminals R and S/L1.
- Saída do motor: Conecte o motor trifásico aos terminais U, V e W.
- Conexión a terra: Connect the ground wire to the designated ground terminal.
- Brake Resistor (Optional): For applications requiring rapid deceleration, connect an external brake resistor to terminals P+ and PB.
5. Instrucións de funcionamento
The SU600 VFD features a control panel for easy operation and parameter setting.
5.1 Panel de control rematadoview
Familiarize yourself with the buttons and indicators on the VFD's control panel.

Figure 5.1: Operation and Display Interface. This image details the control panel of the SU600 VFD. It labels the Forward (FWD), Reverse (REV), Frequency (Hz), Current (A), Voltage (V), and Alarm (ALM) indicators. Key buttons include Programming (PRG), Confirm (ENT), Run, Stop, Incremental, and Decrement keys. An external network port and an optional external operation panel are also shown.
5.2 Funcionamento básico
- Encendido: After ensuring all wiring is correct, apply power to the VFD. The display will light up.
- Arranque do motor: Preme o CORRER botón para arrincar o motor.
- Adjust Frequency/Speed: Usa o Incremental e Decrecemento keys to adjust the output frequency, thereby controlling the motor speed.
- Parada do motor: Preme o PARA botón para parar o motor.
- Configuración de parámetros: Preme o PRG (Programming) key to enter the parameter setting mode. Use the Incremental/Decrement keys to navigate and the ENT (Confirm) key to select and save parameters.
6. Mantemento
Un mantemento regular garante a lonxevidade e o funcionamento fiable do seu variador de frecuencia.
- Limpeza: Keep the VFD clean and free from dust. Use a soft, dry cloth for cleaning. Do not use liquid cleaners.
- Ventilación: Ensure proper airflow around the VFD. Regularly check and clean cooling fans and vents.
- Conexións: Comprobe periodicamente todas as conexións eléctricas para comprobar se están ben apertadas e se presentan signos de corrosión.
- Verificación ambiental: Supervisar o ambiente de funcionamento para garantir que se manteña dentro dos rangos de temperatura e humidade especificados.
7 Solución de problemas
This section provides basic troubleshooting steps for common issues. For complex problems, contact technical support.
| Problema | Causa posible | Solución |
|---|---|---|
| O variador de frecuencia non se acende | No input power; Incorrect wiring | Check power supply; Verify wiring connections |
| O motor non arranca | Incorrect parameters; Motor overload; Emergency stop active | Check parameter settings; Reduce load; Reset emergency stop |
| Fallo de sobreintensidade | Motor short circuit; Sudden load change; Acceleration time too short | Check motor and wiring; Adjust acceleration time; Reduce load |
| Sobrevoltage culpa | Vol. De entradatage too high; Deceleration time too short; No brake resistor | Comprobar o vol. de entradatage; Increase deceleration time; Install brake resistor |
8. Especificacións
Detailed technical specifications for the OUMIFAND SU600 Series VFD.
| Parámetro | Valor |
|---|---|
| Marca | OUMIFAND |
| Serie modelo | SU600 |
| Vol. De entradatage | Monofásico de 220 V |
| Vol. De saídatage | 380V trifásico |
| Faixa de frecuencia de saída | 50-400 Hz |
| Rango de potencia de saída | 0.75KW - 5.5KW |
| Rango de corrente de saída | 2.5A - 13A (varies by model power) |
| Tipo | Inversor CC/CA |
| Dimensions (0.75KW model) | 147 mm (L) x 72 mm (An) x 118.4 mm (Al) |
| Weight (0.75KW model) | 0.72 kg |
| General Dimensions Range | 147x72x119mm to 185x87x138mm |
| General Weight Range | 1-2 kg |
| País de Orixe | China |
9. Garantía e soporte
For warranty information and technical support, please refer to the documentation provided with your purchase or contact OUMIFAND customer service. Keep your purchase receipt as proof of purchase.