Chilled Water System Faults

Chilled Water System Faults

Chilled Water Diff Pressure Less than Setpoint

☝️ Event: Alerts when chilled water pumps are not able to meet the differential pressure setpoint.

Priority
🛑 Critical
Domain
❄️ Cooling Operation Failure
Tuning Parameters
DisplayHint
Alarm On Delay [15min]Delay in minutes after alarm conditions fulfilled to start the alarm.
Start Delay [30min]Delay in minutes after the equipment starts working to check for the alarm conditions.
Return to Normal Delay [5min]Delay in minutes after alarm conditions fulfilled to stop the alarm.
Water Diff Press - Delta [2△°F]Tolerated Delta from the setpoint.
Relative Water Diff Press - Delta [20%]Tolerated Relative (%) Delta from the setpoint.
Pump Min Threshold [5%]The minimum threshold (%) for a pump on status.
Pump Current Min Threshold [1Amp]The minimum threshold (Amps) for a pump on status.

Chilled Water Temp Greater than Setpoint

☝️ Event: Alerts when the Chilled Water System failed to cool water to its required temperature.

Priority
🛑 Critical
Domain
❄️ Cooling Operation Failure
Tuning Parameters
DisplayHint
Alarm On Delay [15min]Delay in minutes after alarm conditions fulfilled to start the alarm.
Start Delay [30min]Delay in minutes after the equipment starts working to check for the alarm conditions.
Return to Normal Delay [5min]Delay in minutes after alarm conditions fulfilled to stop the alarm.
Water Temp - Delta [2△°F]Tolerated Delta from the setpoint.
Pump Current Min Threshold [1Amp]The minimum threshold (Amps) for a pump on status.
Pump Min Threshold [5%]The minimum threshold (%) for a pump on status.

Chilled/Condenser Water Loop Diff Pressure Less than Setpoint

☝️ Event: Alerts when cooling water pumps are not able to meet the differential pressure setpoint.

Priority
🛑 Critical
Domain
❄️ Cooling Operation Failure
Tuning Parameters
DisplayHint
Alarm On Delay [15min]Delay in minutes after alarm conditions fulfilled to start the alarm.
Start Delay [30min]Delay in minutes after the equipment starts working to check for the alarm conditions.
Return to Normal Delay [5min]Delay in minutes after alarm conditions fulfilled to stop the alarm.
Water Diff Press - Delta [2△°F]Tolerated Delta from the setpoint.
Relative Water Diff Press - Delta [20%]Tolerated Relative (%) Delta from the setpoint.
Pump Min Threshold [5%]The minimum threshold (%) for a pump on status.
Pump Current Min Threshold [1Amp]The minimum threshold (Amps) for a pump on status.

Chilled/Condenser Water Loop Temp Greater than Setpoint

☝️ Event: Alerts when the system failed to cool water to its required temperature.

Priority
🛑 Critical
Domain
❄️ Cooling Operation Failure
Tuning Parameters
DisplayHint
Alarm On Delay [15min]Delay in minutes after alarm conditions fulfilled to start the alarm.
Start Delay [30min]Delay in minutes after the equipment starts working to check for the alarm conditions.
Return to Normal Delay [5min]Delay in minutes after alarm conditions fulfilled to stop the alarm.
Water Diff Press - Delta [2△°F]Tolerated Delta from the setpoint.
Relative Water Diff Press - Delta [20%]Tolerated Relative (%) Delta from the setpoint.
Pump Min Threshold [5%]The minimum threshold (%) for a pump on status.
Pump Current Min Threshold [1Amp]The minimum threshold (Amps) for a pump on status.

Condenser Water Diff Press Less than Setpoint

☝️ Event: Alerts when condenser water pumps are not able to meet the differential pressure setpoint.

Priority
🛑 Critical
Domain
❄️ Cooling Operation Failure
Tuning Parameters
DisplayHint
Alarm On Delay [15min]Delay in minutes after alarm conditions fulfilled to start the alarm.
Start Delay [30min]Delay in minutes after the equipment starts working to check for the alarm conditions.
Return to Normal Delay [5min]Delay in minutes after alarm conditions fulfilled to stop the alarm.
Water Diff Press - Delta [2△°F]Tolerated Delta from the setpoint.
Relative Water Diff Press - Delta [20%]Tolerated Relative (%) Delta from the setpoint.
Pump Min Threshold [5%]The minimum threshold (%) for a pump on status.
Pump Current Min Threshold [1Amp]The minimum threshold (Amps) for a pump on status.

Condenser Water Temp Greater than Setpoint

☝️ Event: Alerts when the system failed to sufficiently cool the condenser water.

Priority
🛑 Critical
Domain
❄️ Cooling Operation Failure
Tuning Parameters
DisplayHint
Alarm On Delay [15min]Delay in minutes after alarm conditions fulfilled to start the alarm.
Start Delay [30min]Delay in minutes after the equipment starts working to check for the alarm conditions.
Return to Normal Delay [5min]Delay in minutes after alarm conditions fulfilled to stop the alarm.
Water Temp - Delta [2△°F]Tolerated Delta from the setpoint.
Pump Min Threshold [5%]The minimum threshold (%) for a pump on status.
Pump Current Min Threshold [1Amp]The minimum threshold (Amps) for a pump on status.

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