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
- Review outdoor air damper control – check if damper is manually overridden.
- 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
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