| Control mode： | V/F control |
| Start torque： | 1Hz 100% |
| Speed regulation range： | 1:20 |
| Overload capability： | 120% rated current for 60s, 150% rated current for 1s |
| V/F curve： | Linear |
| Acceleration/deceleration curve： | Linear; time range: 0.1-3600s |
| Start frequency： | 1~10Hz |
| Input voltage： | Single-phase 220V±15% |
| Input frequency range： | 50/60Hz, fluctuation range: ±5% |
| Output voltage： | Three-phase 0-rated input voltage |
| Output frequency： | 0~50/60Hz |
| Programmable digital input： | 2 digital input |
| Programmable analog input： | AI1:0-10V/4-20mA, selected by function parameters |
| Analog power： | +5V-+24V adjustable power, set voltage by function code setting |
| Command running channel： | operation panel and digital terminals |
| Frequency source： | Digital setting, PID setting |
| Integrated PID： | Realize closed loop control system |
| AVR： | When grid voltage changes, it keeps output voltage constant automatically. By default, it doesn’t work at deceleration. |
| Stall control： | Automatically limit current and voltage at running period to prevent tripping caused by frequent overcurrent/over voltage. |
| LED display, setting： | Display pressure, voltage, programmable, rapid pressure setting, parameter hidden function |
| Automatic energy-saving running： | Decrease output voltage automatically at light load to save energy. |
| Password setting： | 4-bit password can be set with non-zero numbers. Exit password setting interface and the password will be valid after 1 minute. |
| Parameter lock： | Define whether the parameter is locked in running or stopped state in case of misoperation. |
| Constant pressure control： | PID adjustment, PID feedback of break detection, PID sleeping and wakeup |
| Self-starting at power on： | Optional self-starting at power on, adjustable starting delay |
| Anti-freezing： | Anti-freezing running option: frequency, time, cycle |
| Water leakage inspection： | Optimize sleeping control by water leakage inspection |
| High pressure alarm： | Detect feedback pressure to protect pipe network |
| Low pressure alarm： | Detect feedback pressure to protect pipe network and pumps |
| Water shortage protection： | Multiple detection modes output pressure, frequency, current; auto reset and restart |
| Altitude： | Lower than 1000m, service in derated capacity above 1000m. Derate 1% capacity every 100m increase in height. |
| Environmental temperature： | -10℃~+40℃, service in derated capacity for 40℃~50℃. Derate 4% capacity every 1℃ increase in temperature.C41 |
| Vibration： | <9.8m/S2(1.0G) |
| Storage temperature： | -40℃~+70℃ |
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