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.
    • Related Articles

    • 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 Display Hint Alarm On Delay [15min] ...
    • FDD Dashboard

      Fault Detection and Diagnostics (FDD) is a proactive process that identifies and analyzes system failures or faults within a building's infrastructure at their earliest stages. By detecting these faults early on, FDD enhances system performance, ...
    • Event Library

      KODE OS automatically monitors the operation of your equipment and will raise a user’s awareness whenever event threshold conditions are met. Out of the box, KODE OS supports an event library that can be deployed to monitor HVAC, Fire, ...
    • Airside Faults

      CO2 Near Max Setpoint ☝️ Creates an Event when CO2 concentration is greater than acceptable levels while occupied Priority ? Alert Domain ? Air Quality Tuning Parameters Display Hint Alarm On Delay [15min] Delay in minutes after alarm conditions ...
    • System Configuration

      KODE OS allows you to review, monitor and see all details of major systems. Select the building of your choice by clicking “Sites” on the left Main Navigation bar. From the left main menu select “Systems”. A page with the list of all Systems will ...