Lead-lag pumps are running simultaneously

Objective/Method/Outcome

Objective: Determines if the pumps are running simultaneously

Method: Compares the pump status to see if they are running are operating simultaneously for longer than the acceptable amount of time

Outcome: If the pumps are running simultaneously, an insight is triggered

Applicable System

Pump

Description

Monitors pumps operating in a lead-lag sequence, and tracks hours of simultaneous operation.

This rule is part of the CopperTree Standard rule-set.

Default Priority

Medium

Diagnosis

  1. Pump(s) may be overridden.
  2. Review programming.

Message

Lead-lag pumps are operating simultaneously.

Rule template

Insight Template: Fault Detection

Trigger Type: Active High

Logic

Logic used to determine if pumps are running simultaneously

Inputs

Input Unit Tags Description
Pump 1 The status of Pump 1
Pump 2 The status of Pump 2
Threshold – Weekly Hours of Simultaneous Operation The minimum hours of simultaneously operation required to trigger an insight

Notes

This rule should be applied manually, and does not have tags built in, to ensure rule is only used when applicable.

Default Values:

Threshold – Weekly Hours of Simultaneous Operation: 4