Table 2 Fault profiles for the RTU data; Sum = Summer, F = Fall, W = Winter.

From: Building fault detection data to aid diagnostic algorithm creation and performance testing

Input scenarios

Season

Fault type

Fault intensity

Sum

W

F

Condenser fouling

25% reduction in condenser coil air flow full load

1

  

50% reduction in condenser coil air flow full load

1

  

HVAC setback error: delayed onset

3-hour onset delay

 

1

 

HAV setback error: early termination

3-hour early termination

 

1

 

Excessive infiltration

+20% infiltration

 

1

 

+40% infiltration

 

1

 

Lighting Setback Error: Delayed Onset

3-hour onset delay

 

1

 

Lighting Setback Error: Early Termination

3-hour early termination

 

1

 

No Overnight HVAC Setback

No setback

 

1

 

No Overnight Lighting Setback

No setback

 

1

 

Thermostat measurement bias

Bias of +2.2 °C (Core zone 103)

 

1

 

Bias of −2.2 C (Core zone 103)

 

1

 

Bias of +2.2(Perimeter zone 205)

 

1

 

Bias of −2.2(Perimeter zone 205)

 

1

 

Unfaulted

  

6

1