Description: Time for the next pump change relative to the ExchangeTime, if the user-specific pump change mode is activated.; Name: Interchange time difference
Description: determination of the time for the next exchange of the pump relative to exchangetime, if operator specific pump exchange mode is activated; Name: exchange time difference
Description: Speed that characterizes a pump in terms of its speed, flow rate per impeller eye, i.e. total flow for single-flow impeller, half flow for double-flow impeller, at the best efficiency point and head per stage at maximum impeller diameter ; Name: Specific speed