G36ReturnAirDamperPositionForReturnFanDirectBuildingPressure

Brief Description

Verify that the return air damper operation follows guideline 36 recommendations for systems with return fan with direct building pressure control

Detailed Description

Verify that the return 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_air_return_max: Maximum return air damper position

position_damper_air_return: Return air damper position

position_damper_air_relief: Relief air damper position

Type Verification Description

Procedure-based

Assertions Type

Pass

Assertions Description

if output_coil_heating > 0

if abs(position_damper_air_return - position_damper_air_return_max) < 0

pass

else

fail

end

else if output_coil_cooling > 0

if abs(position_damper_air_return - 0) < 0

pass

else

fail

end

else if abs(position_damper_air_return - (1 - position_damper_air_relief) * position_damper_air_return_max) < 0

pass

else

fail

end