Applicable Systems
- Secondary: VAV
Objective/Method/Outcome
- Objective: Determine if the VAV Damper is fully open excessively during occupancy due to possible low static pressure or design issues.
- Method: Check the amount of time the VAV Damper is in the fully open position during occupied hours.
- Outcome: An insight is generated if the VAV Damper is fully open for more than 12 hours per week.
Logic
- Sum over course of a Week(Hours damper is fully open and unit is on)
Inputs
- MAD {cmd, mixed, air, damper} (Real Trend Log)
- Occ {occupied} (Binary Trend Log)
Applicable Systems
- VAV
Parameters
| Parameter | Expression Block Series Number | Description | Default Value (Units) |
|---|---|---|---|
| Damper Error Threshold | 35 | The movement tolerance of the Damper. This is used to define when the damper is open. | 2 (%) |
| Acceptable Hours per Week | 36 | The amount of time that this error is allowable for the unit per week. Anything more than that time is considered a fault. | 12 (h) |
