Table 1 Description of measurement points for AHU datasets.
From: Fault-class coverage–aligned combined training for AFDD of AHUs across multiple buildings
Sensor or aggregated metric | Description | Unit | Auditorium (15 points) | Hospital (9 points) | Office (18 points) | Sensor accuracy |
|---|---|---|---|---|---|---|
Installed sensors | ||||||
Set point temperature | Temperature setting specified by the operator | °C | ✓ | ✓ | ✓ | ± 0.2 °C |
Return air temperature | Air temperature returning from ventilated areas | °C | ✓ | ✓ | ✓ | ± 0.2 °C |
Supply air temperature | Air temperature delivered by the AHU | °C | ✓ | ✓ | ✓ | ± 0.2 °C |
Supply fan | Operational condition of the AHU supply fan | % | ✓ | ✓ | ✓ | ± 1% |
Valve position | Valve position condition within the AHU system | % | ✓ | ✓ | ✓ | ± 2% |
Heating supply temperature 1 | Temperature in heating system’s supply line 1 | °C | ✓ | ✓ | ✓ | ± 0.2 °C |
Heating supply temperature 2 | Temperature in heating system’s supply line 2 | °C | ✓ | |||
Heating pump 1 | Operational condition of heating pump 1 | % | ✓ | ✓ | ✓ | ± 1% |
Heating pump 2 | Operational condition of heating pump 2 | % | ✓ | ✓ | ||
Heating pump 3 | Operational condition of heating pump 3 | % | ✓ | ✓ | ||
Cooling supply temperature 1 | Cooling supply temperature sensor 1 | °C | ✓ | ✓ | ✓ | ± 0.2 °C |
Cooling supply temperature 2 | Cooling supply temperature sensor 2 | °C | ✓ | ✓ | ||
Cooling pump 1 | Operational condition of cooling pump 1 | % | ✓ | ✓ | ✓ | ± 1% |
Cooling pump 2 | Operational condition of cooling pump 2 | % | ✓ | ✓ | ||
Cooling pump 3 | Operational condition of cooling pump 3 | % | ✓ | |||
Cooling pump 4 | Operational condition of cooling pump 4 | % | ✓ | |||
Aggregated Metrics | ||||||
Total heating pump | Aggregated operational condition of heating pumps | % | ✓ | ✓ | ||
Total cooling pump | Aggregated operational condition of cooling pumps | % | ✓ | ✓ |
