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Product Overview
The S330 is a current vector inverter dedicated to the water industry, designed for constant pressure water supply with a constant pressure accuracy of 0.01MPa. It can efficiently drive induction motors and synchronous motors, supports multi-pump networking and main/auxiliary pump control (panel indicator A shows main/auxiliary status), and the power-on auto-start function is enabled by default.
Technical Parameters
| Control mode | Open-loop vector control (SVC), closed-loop vector control (FVC), V/F control |
| Maximum frequency | Vector control 0~300Hz; V/F control 0~3200Hz |
| Carrier frequency | 0.5kHz~15kHz, automatically adjustable according to load characteristics |
| Starting torque | 0.5Hz / 110% |
| Speed control range | 1:100 (SVC), 1:1000 (FVC) |
| Speed stability accuracy | ±0.5% (SVC), ±0.02% (FVC) |
| Constant pressure accuracy | 0.01MPa |
| Torque control accuracy | ±5% (FVC) |
| Jog control | Jog frequency range 0.00Hz~50.00Hz |
| Automatic voltage regulation (AVR) | Automatically maintains constant output voltage when grid voltage changes |
| Panel indicators | READY (power/alarm), RUN (run/stop), COM (communication indicator), SENSOR (sensor indicator), and A (main/auxiliary), M (manual), C (speed mode) status indicators |
Application Scope
Constant pressure water supply systems, inverter retrofit of water supply pumps, and one-duty-one-standby and multi-pump linked water supply units. Please consult and confirm the applicable power and voltage specifications according to the motor nameplate; installation, wiring, and parameter settings should be performed by professionals.
Operating Environment
| Ambient temperature | -10℃~+50℃ |
| Humidity | Less than 95%RH (non-condensing) |
| Vibration | Not more than 0.6G, keep away from punch presses and similar equipment |
| Protection requirements | Prevent ingress of water droplets, steam, dust, fine metal powder, oil, salt, and corrosive gases; keep away from electromagnetic interference sources |
| Prohibited environments | Do not use in hazardous environments with flammable, combustible, explosive gases, liquids, or solids |
Common Fault Codes
| Code | Fault | Common Causes and Troubleshooting |
|---|---|---|
| Err.01P | Undervoltage fault | Instantaneous power failure, input voltage out of specified range, abnormal bus voltage; reset the fault, adjust voltage to normal range |
| Err.02P | Overvoltage during acceleration | Input voltage too high, acceleration time too short; adjust voltage to normal range, increase acceleration time |
| Err.03P | Overcurrent during deceleration | Output circuit grounded or short-circuited, deceleration time too short, voltage too low; eliminate peripheral faults, increase deceleration time |
| Err.04P | Overcurrent at constant speed | Output circuit grounded or short-circuited, sudden load increase during operation, undersized selection; eliminate peripheral faults, select a higher power rating |
| Err.05P | Overcurrent during acceleration | Acceleration time too short, inappropriate V/F curve, voltage too low; increase acceleration time, adjust torque boost or V/F curve |
| Err.06P | Overvoltage during deceleration | Input voltage too high, deceleration time too short; adjust voltage to normal range, increase deceleration time |
| Err.07P | Motor overload | Undersized selection, excessive load, or motor stall; reduce load and check motor and mechanical conditions |
| Err.08P | Inverter overload | Undersized selection, excessive load, or motor stall; select an inverter with a higher power rating |
| Err.09P | Inverter unit protection | Output circuit short-circuited, module overheated, internal wiring loose; eliminate peripheral faults, check air duct and fan |
| Err.10P | Control power supply fault | Input voltage out of specified range; adjust voltage to within the specified range |
| Err.12P | Output phase loss | Abnormal wiring from inverter to motor, three-phase output unbalanced; eliminate peripheral faults, check motor three-phase windings |
| Err.20P | Input phase loss | Abnormal three-phase input power, abnormal surge protection board or main control board; check and eliminate peripheral circuit problems |
When fault handling involves wiring and internal components, please contact professionals.
Contact: Peter
Tel: 400-8565-222
Email: burkspumps@Gmail.com
