G36OutdoorAirDamperPositionForReliefDamperOrFan
Brief Description
Verify that the outdoor air damper operation follows guideline 36 recommendations for systems with relief damper/fan
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
flag_economizer_limit: Economizer high limit flag
position_damper_air_outdoor: Outdoor air damper position
position_damper_air_outdoor_min: Minimum outdoor air damper position
position_damper_air_outdoor_max: Maximum outdoor air damper position
position_damper_air_return: Return air damper position
position_damper_air_return_max: Maximum return air damper position
Type Verification Description
Procedure-based
Assertions Type
Pass
Assertions Description
if output_coil_heating > 0
if abs(position_damper_air_outdoor - position_damper_air_outdoor_min) < 0
pass
else
fail
end
else if output_coil_cooling > 0
if flag_economizer_limit
if abs(position_damper_air_outdoor - position_damper_air_outdoor_min) < 0
pass
else
fail
end
else
if abs(position_damper_air_outdoor - position_damper_air_outdoor_max) < 0
pass
else
fail
end
end
else if position_damper_air_return < position_damper_air_return_max
if abs(position_damper_air_outdoor - position_damper_air_outdoor_max) < 0
pass
else
fail
end
else if abs(position_damper_air_return - position_damper_air_return_max) < 0
if position_damper_air_outdoor_min < position_damper_air_outdoor < position_damper_air_outdoor_max
pass
else
fail
end
end