Sterlco 140 to 6,285 Gallon Pump Tanks - Manual (Page 44)

Pump Tanks Chapter 4: Operation 44 of 67
Low Recirc Pressure Warning
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 Warning
setpoint.
• The Recirc Low Pressure Fault is not active.
• 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 Warning setpoint
when the alarm is reset.
• The Recirc Low Pressure Fault alarm becomes active.
• The Recirc Pressure Sensor Failure alarm becomes active.
Low Temperature Fault
This alarm occurs when all of the following conditions are met:
• The system is online.
• The cold side temperature is less than or equal to the Low Temp Fault setpoint.
• The Cold Side Temperature Sensor Failure is not active.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The tank temperature is greater than the Low Temp Fault setpoint when the alarm is
reset.
• The Cold Side Temperature Sensor Failure becomes active.
Low Temperature Warning
This alarm occurs when all of the following conditions are met:
• The system is online.
• The tank temperature is less than or equal to the Low Temp Warning setpoint.
• The Low Temperature Fault is not active.
• The Cold Side Temperature Sensor Failure is not active.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The Low Temperature Fault becomes active.
• The tank temperature is greater than the Low Temp Warning setpoint when the alarm
is reset.
The Cold Side Temperature Sensor Failure becomes active.