Setting A Pump Down (Wet Well) Group - Siemens SITRANS L 7ML5400 Operating Instructions Manual

General Operation
7.7 Pump Control
Fixed
Starts pumps based on individual setpoints and always starts the same pumps in the same
sequence [Fixed Duty Assist (FDA), and Fixed Duty Backup (FDB)].
Alternate
Starts pumps based on the duty schedule and always leads with a new pump [Alternate Duty
Assist (ADA), and Alternate Duty Backup (ADB)].
Service Ratio
Starts pumps based on user-defined ratio of running time [Service Ratio Duty Assist (SRA),
and Service Ratio Duty Backup (SRB)].
Alternate Duty Assist (ADA) is set as the default.
7.7.2

Setting a pump down (wet well) group

Setting a group of two pumps to pump down a wet well.
①
②
③
④
⑤
⑥
* ON Setpoint Pump 1 / Pump 2
** OFF Setpoint Pump 1 / Pump 2
104
Low calibration point
High calibration point
Sensor reference point
Inflow
Level
Outflow
Operating Instructions, 04/2021, A5E33329501-AG
SITRANS LUT400