Sterlco 140 to 6,285 Gallon Pump Tanks User Manual
Page 43

Pump Tanks
Chapter 4: Operation
43 of 67
Low Process Pressure Fault
This alarm occurs when all of the following conditions are met:
• A process pump has been active for 15 seconds.
• The process pump pressure is less than or equal to the Low Process Pressure Fault
setpoint.
• The Process Pressure Sensor Failure alarm is not active.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The process pump pressure is greater than the Low Process Pressure Fault setpoint
when the alarm is reset.
• The Process Pressure Sensor Failure alarm becomes active.
Low Process Pressure Warning
This alarm occurs when all of the following conditions are met:
• A process pump has been active for 15 seconds.
• The process pump pressure is less than or equal to the Low Process Pressure Warning
setpoint.
• The Process Low Pressure Fault is not active.
• The Process Pressure Sensor Failure alarm is not active.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The process pump pressure is greater than the Low Process Pressure Warning
setpoint when the alarm is reset.
• The Process Low Pressure Fault alarm becomes active.
• The Process Pressure Sensor Failure alarm becomes active.
Low Recirc Pressure Fault
This alarm occurs when all of the following conditions are met:
• A recirc pump has been active for 15 seconds.
• The recirc pump pressure is less than or equal to the Low Recirc Pressure Fault
setpoint.
• The Recirc Pressure Sensor Failure alarm is not active.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The recirc pump pressure is greater than the Low Recirc Pressure Fault setpoint when
the alarm is reset.
• The Recirc Pressure Sensor Failure alarm becomes active.