Sterlco 140 to 6,285 Gallon Pump Tanks - Manual (Page 47)

Pump Tanks Chapter 4: Operation 47 of 67
Recirc. Low Pressure Switch Alarm
This alarm occurs when all of the following conditions are met for the Recirc Low Pressure
Delay:
• The system is online.
• At least one process pump is active.
• The Recirc Low Pressure Switch Input is not active.
The alarm will remain active until the system is taken offline or the Recirc Low Pressure
Switch Input is active when the alarm is reset.
Recirc. Pressure Sensor Failure
This alarm occurs when all of the following conditions are met:
• The system is online.
• The control detects a recirc pressure sensor failure.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The control no longer detects a recirc pressure sensor failure when the alarm is reset.
Recirc. Pump Motor Fault Alarm
While this alarm is active, the recirc pump is not allowed to run. If another recirc pump is
enabled or the stand-by pump is enabled and configured as a recirc, it will start after a 2
second delay.
This alarm occurs when all of the following conditions are met for 3 seconds:
• The system is online.
• The recirc pump is enabled.
• The recirc pump run input is not active.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The alarm is reset.
Stand-By Pump Motor Fault Alarm
While this alarm is active, the stand-by pump is not allowed to run.
This alarm occurs when all of the following conditions are met for 3 seconds:
• The system is online.
• The stand-by pump is enabled.
• The stand-by pump run input is not active.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The alarm is reset.
Tower Fan Amp Sensor Failure
This alarm occurs when all of the following conditions are met:
• The system is online.
• The control detects a tower fan amp sensor failure.