Sterlco 140 to 6,285 Gallon Pump Tanks User Manual
Page 42

Pump Tanks
Chapter 4: Operation
42 of 67
Hot Side Temperature Sensor Failure
This alarm occurs when all of the following conditions are met:
• The system is online.
• The control detects a hot side temperature 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 hot side temperature sensor failure when the alarm is
reset.
Level Sensor Failure
This alarm occurs when all of the following conditions are met:
• The system is online.
• The control detects a tank level 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 tank level sensor failure when the alarm is reset.
Low Level Fault
While this alarm is active the Process Pump, Stand-By Pump and Recirc Pump are disabled.
Once the alarm condition is no longer active, each pump will have to be enabled from the
SETUP screen.
This alarm occurs when all of the following conditions are met:
• The system is online.
• The tank level is less than or equal to the Low Level Fault setpoint.
• The Tank Level 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 tank level is greater than the Low Level Fault setpoint when the alarm is reset.
• The Tank Level Sensor Failure alarm becomes active.
Low Level Warning
This alarm occurs when all of the following conditions are met:
• The system is online.
• The tank level is less than or equal to the Low Level Warning setpoint.
• The Tank Low Level Fault is not active.
• The Tank Level 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 tank level is greater than the Low Level Warning setpoint when the alarm is
reset.
• The Tank Low Level Fault becomes active.
• The Tank Level Sensor Failure alarm becomes active.