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eRev. [Major Version]1.01.0 8/9/2023
KrosFlo® KR2i Real-Time Process Management (RPM™) System
7.7 CF/D/C Mode Setup
Figure 6. CF/D/C Mode setup configuration
7.8 System Setup Using KrosFlo RPM Software Pump Control Window
The Pump Control Interface can be used to interact with all the features of the system. This screen will appear when the KrosFlo
RPM software is opened. When needed, the functions and setpoints are accessible on the main pump display.
7.9 Alarms and Stops
The TFF system has a number of safety pressure alarms and stops that may be set in the Alarm Settings menu.
• Pf Hi Stop: When Feed Pressure (Pf) value ≥ Pf Hi Stop value, the pump drive will stop running.
• Pf Hi Alarm: When Pf value ≥ Pf Hi Alarm value, the pump drive will alarm but continue running.
• Pf Lo Stop: When Pf value ≤ Pf Lo Alarm value, the pump drive will stop running.
• Pf Lo Alarm: When Pf value ≤ Pf Lo Alarm value, the pump drive will alarm but continue running.
Note: For the Pf Lo Stop and Lo Alarm the feed pressure must first rise above the alarm level to be activated.
• Pp Lo Alarm: When Permeate Pressure (Pp) value ≤ Pp Lo Alarm value, the pump drive will alarm but continue running.
• Pp Lo Stop: When Pp value ≤ Pp Lo Stop value, the pump drive will stop running.
• UV Hi Stop: When AU value of UV1 is ≥ UV Hi Stop value the system will shut down.
• UV Hi Alarm: When AU value of UV1 is ≥ UV Hi Alarm value the pump drive will alarm but continue running.
• Perm Hi Alarm: When permeate scale reading is ≥ Perm Hi Alarm value the system will alarm but continue running.
• Perm Hi Stop: When permeate scale reading is ≥ Perm Hi Stop value the system will shut down.
• Feed Hi Alarm: When feed scale reading is ≥ Feed Hi Alarm value the system will alarm but continue running.
• Feed Hi Stop: When feed scale reading is ≥ Feed Hi Stop value the system will shut down.
• Feed Lo Alarm: When feed scale reading is ≤ Feed Lo Alarm value the system will alarm but continue running.
• Feed Lo Stop: When feed scale reading is ≤ Feed Lo Stop value the system will shut down.
• Silent Alarm: Set to “On” to silence alarms, set to “Off” to play alarm sound.
Diafiltration Pump
(Auxiliary Pump 2)
Diafiltration Buffer
Reservoir