G36ReliefAirDamperPositionForReturnFanAirflowTracking

Brief Description

Verify that the outdoor air damper operation follows guideline 36 recommendations for systems with return fan with airflow tracking

Detailed Description

Verify that the outdoor air damper operation follows the guideline 36 recommendations for supply air temperature setpoint operations

Index Description

  • Section 5.16.2.3 in ASHRAE Guideline 36-2021

Datapoints Description

  • output_coil_heating: AHU heating coil heat transfer rate

  • output_coil_cooling: AHU cooling coil heat transfer rate

  • position_damper_relief_max: Maximum relief air damper position

  • position_damper_relief: Relief air damper position

  • position_damper_air_return: Return air damper position

Type Verification Description

Procedure-based

Assertions Type

Pass

Assertions Description

  • if output_coil_heating > 0

  • if abs(position_damper_relief - 0) < 0

  • pass

  • else

  • fail

  • end

  • else if output_coil_cooling > 0

  • if abs(position_damper_relief - position_damper_relief) < 0

  • pass

  • else

  • fail

  • end

  • else if abs(position_damper_relief - (1 - position_damper_air_return) * position_damper_relief) < 0

  • pass

  • else

  • fail

  • end