3.1.6.1 - Percent Outside Air Calculated Is Greater Than Outside Air Damper Command

Summary

Excess outside air is being brought in to the building, increasing heating and cooling costs. The calculated outside air percent is greater than the outside air damper command plus a threshold. Calculated OA% = 100 X [(RaTemp-MaTemp) / (RaTemp-OaTemp)]

Root Cause

Stuck damper - Loose/broken linkages - Bad sensors

Inputs
Constants

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