The user manual for AS160 series pump-specific inverter, introducing the copyright information of the product and the precautions before use. The manual covers topics such as warranty scope, fault diagnosis, and fault repair.
This manual provides safety instructions, installation, wiring, operation, and maintenance procedures for the STEP AS160 series variable frequency drive used with water pumps. It includes detailed technical specifications, parameter settings, and troubleshooting guidance.
The document also contains warranty information, EMC installation guidelines, and appendices with fault tables and compliance standards, helping users ensure reliable and safe operation of the drive. This manual is written in Chinese.
| Rated voltage | 380V~460V (three‑phase) |
|---|---|
| Input frequency range | 45~65 Hz |
| Power capacity | 2.2 kW – 560 kW (three‑phase asynchronous motor) |
| Overload capacity | 120 % for 60 s, 150 % for 3 s |
| Control method | V/F control |
| Speed control accuracy | ±0.5 % |
| Digital frequency resolution | 0.01 Hz |
The warranty period is eighteen months from the serial code on the unit.
It supports a rated voltage of 380 V to 460 V three‑phase.
The drive can handle 120 % overload for 60 seconds and 150 % for 3 seconds.
The drive uses V/F (voltage‑frequency) control.