Hot Water System Faults

Hot Water System Faults

Hot Water Diff Pressure Less than Setpoint

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

Priority
🛑 Critical
Domain
🔥 Heating 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.

Hot Water Loop Diff Pressure Less than Setpoint

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

Priority
🛑 Critical
Domain
🔥 Heating 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.

Hot Water Loop Temp Less than Setpoint

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

Priority
🛑 Critical
Domain
🔥 Heating Operation Failure
Tuning Parameters
DisplayHint
Start Delay [30min]Delay in minutes after the equipment starts working to check for the alarm conditions.
Alarm On Delay [15min]Delay in minutes after alarm conditions fulfilled to start the alarm.
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.

Hot Water Temp Less than Setpoint

☝️ Event: Alerts when Hot Water System failed to heat water to its required temperature.

Priority
🛑 Critical
Domain
🔥 Heating Operation Failure
Tuning Parameters
DisplayHint
Start Delay [30min]Delay in minutes after the equipment starts working to check for the alarm conditions.
Alarm On Delay [15min]Delay in minutes after alarm conditions fulfilled to start the alarm.
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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