1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your JOJIDE 0.75 kW to 5.5 kW Three-Phase Motor Frequency Inverter. Please read this manual thoroughly before using the product and retain it for future reference. This device is designed to control the speed of three-phase motors by varying the frequency and voltage of the power supplied to the motor.
2. Safety Information
WARNING: Electrical shock hazard. Only qualified personnel should perform installation and maintenance. Disconnect all power before servicing.
- Ensure proper grounding of the inverter and motor.
- Do not operate the inverter with damaged cables or if the casing is open.
- Verify input voltage matches the inverter's specifications.
- Allow at least 5 minutes after power disconnection for capacitors to discharge before touching internal components. A "DANGER 5 min" warning is present on the unit.
- Protect the inverter from moisture, dust, and corrosive gases.
3. Product Overview
The JOJIDE Frequency Inverter is a versatile AC frequency converter designed for precise motor speed control. It offers stable quality, reduced energy loss, and excellent low-frequency torque performance.
Image 3.1: Front view of the JOJIDE Frequency Inverter highlighting its vector control capabilities and key features such as stable quality, reduced loss, and low frequency with large torque.
3.1 Key Features
- Wide output frequency range: 0.1-400 Hz
- Output power: 750W-5500W
- Available for both 220V single-phase input (for 220V 3-phase output) and 380V three-phase input (for 380V 3-phase output).
- Compact design for space-saving installation.
- Easy installation and wiring.
- Strong parameter stability and user-friendly operation.
Image 3.2: Two JOJIDE Frequency Inverters, showcasing their compact design and highlighting advantages such as low repair rate, reduced volume, easy installation, and stable parameters.
4. Specifications
| Parameter | Value |
|---|---|
| Model Number | 1005005969377119 |
| Output Frequency | 0.1 - 400 Hz |
| Output Power Range | 750W - 5500W |
| Type | AC Frequency Inverter |
| Weight | 1 - 1.5 kg |
| Dimensions (L x W x H) | 20 cm x 13 cm x 10 cm |
| Output Voltage | 220V 3-phase / 380V 3-phase |
| Input Voltage | 220V single-phase / 380V three-phase |
| Output Current (Examples) | SU300-0R75G2: 4A; SU300-1R5G2: 7A; SU300-2R2G2: 9.6A; SU300-4R0G2: 17A; SU300-0R75G3: 2.5A; SU300-1R5G3: 4.1A; SU300-2R2G3: 5.8A; SU300-4R0G3: 9A; SU300-5R5G3: 13A |
Image 4.1: Physical dimensions of the frequency inverter, showing approximate measurements of 9.5 cm width, 18.0 cm height, and 11.3 cm depth.
5. Setup and Installation
5.1 Mounting
The inverter can be mounted using a guide rail for easy installation.
Image 5.1: Illustration of the guide rail mounting method, allowing for quick and secure installation of the inverter.
5.2 Wiring
Refer to the following diagrams for correct wiring of the frequency inverter. Ensure all connections are secure and comply with local electrical codes.
Image 5.2: Detailed wiring diagrams for connecting the frequency inverter to both single-phase and three-phase power supplies, along with connections for braking resistance and motor. Control terminal connections (S5/Y, AO, AI, 485) are also shown.
Input Terminals:
- Single-phase: L1, L2
- Three-phase: R, S, T
Output Terminals:
- U, V, W (to motor)
- PE (Protective Earth)
Control Terminals:
- S5/Y, AO, AI, 485 (for external control and communication)
- PB, P+ (for braking resistance)
Note on External Panel: If you have purchased an external panel and cable, it is designed exclusively for JOJIDE SU300 series frequency inverters purchased from our store. It is not compatible with inverters from other manufacturers.
6. Operating Instructions
The inverter features a control panel with a display, function buttons (PRO, M-FUN, SHIFT, ENTER, RUN, STOP/RESET), and a rotary knob for parameter adjustment.
Image 6.1: Close-up of the inverter's control panel, showing the digital display, control buttons (PRO, M-FUN, SHIFT, ENTER, RUN, STOP/RESET), and a rotary potentiometer for frequency adjustment.
6.1 Basic Operation
- Power On: Connect the inverter to the appropriate power supply. The display will illuminate.
- Start Motor: Press the RUN button to start the motor.
- Stop Motor: Press the STOP/RESET button to stop the motor.
- Adjust Frequency/Speed: Use the rotary knob to adjust the output frequency, thereby controlling the motor speed.
6.2 Parameter Setting
Detailed parameter settings are typically covered in a separate programming manual. Generally, the PRO and M-FUN buttons are used to navigate menus, SHIFT to change digit selection, and ENTER to confirm selections.
7. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your frequency inverter.
- Cleaning: Keep the inverter clean and free from dust. Use a soft, dry cloth. Do not use liquid cleaners.
- Ventilation: Ensure adequate airflow around the inverter. Keep ventilation openings clear of obstructions.
- Connections: Periodically check all electrical connections for tightness. Loose connections can cause overheating or malfunction.
- Environmental Conditions: Operate the inverter within specified temperature and humidity ranges.
8. Troubleshooting
This section provides solutions to common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Inverter does not power on | No input power; Blown fuse | Check power supply; Replace fuse (after disconnecting power) |
| Motor does not run | Incorrect wiring; Parameter settings; Overload | Verify wiring; Check motor parameters; Reduce load |
| Overcurrent fault | Motor overload; Short circuit in motor/cables | Check motor load; Inspect motor and cables for damage |
| Overvoltage/Undervoltage fault | Unstable input voltage | Check input power supply stability |
For persistent issues or error codes not listed, please contact customer support.
9. Warranty and Support
Warranty information for this product is not provided in the available data. For specific warranty details and technical support, please refer to the product packaging or contact your point of purchase. Ensure you have your model number (1005005969377119) ready when seeking support.