ABB PSTX Softstarter Pump Cleaning Function Manual

This document details the pump cleaning (anti-jam/anti-ragging) function for ABB PSTX softstarters, which uses programmable forward and reverse rotations to clear impeller obstructions in wastewater applications. It covers cleaning sequences, triggering conditions (on-demand, fieldbus, HMI), parameter configurations for reverse jog, forward start modes, and dynamic braking, along with technical specifications and configuration examples.