Health Compliance Package – Outdoor Air Damper is not opening enough

Objective/Method/Outcome

Objective: Determines if the outdoor air damper is open enough to bring sufficient air in.

Method: Compares the Damper position records to the acceptable damper position (40% open by default). The weekly hours of fault are found.

Outcome: An insight is triggered.

Description

Monitor the Outdoor Air Damper position TL to determine if sufficient air is being brought into the building.

This rule is part of the CopperTree Standard ruleset.

Default Priority

Medium

Diagnosis

  1. Review outdoor air damper control – check if damper is manually overridden.
  2. Review programming.

Message

Outdoor Air Damper may be manually overridden or too closed – please review control.

Rule Template

Insight Type: Fault Detection

Trigger Type: Active High

Logic

Logic for determining Outdoor Air Damper is not opening enough

Inputs

Input Unit Tags Description
Outdoor Air Damper   Outdoor Air Damper Position, Outdoor Air Damper Command The recorded outdoor air damper position
Outdoor Air Damper Minimum Threshold  %   The minimum outdoor air position that can trigger an insight
Threshold – Daily Hours of Faulty Operation     The minimum daily hours of fault that can trigger an insight

Notes

Default Thresholds:

  • Outdoor Air Damper Minimum Threshold [%]: 40
  • Daily Hours of Faulty Operation: 6