IFC 4.3.x development

7.5.4.2 Pset_AirTerminalBoxTypeCommon

7.5.4.2.1 Semantic definitions at the entity

Air terminal box type common attributes.

Name Type Description
AirflowRateRange IfcPropertySingleValueAir flowrate range within which the air terminal is designed to operate.
AirPressureRange IfcPropertySingleValueAllowable air static pressure range at the entrance of the air terminal box.
ArrangementType IfcPropertySingleValueDualDuct: Terminal box receives warm and cold air from separate air supply ducts.
HasFan IfcPropertySingleValueTerminal box has a fan inside (fan powered box).
HasReturnAir IfcPropertySingleValueTerminal box has return air mixed with supply air from duct work.
HasSoundAttenuator IfcPropertySingleValueIf TRUE, the air terminal has sound attenuation.
HousingThickness IfcPropertySingleValueAir terminal box housing material thickness.
NominalAirFlowRate IfcPropertySingleValueNominal rate of air flow into which water vapor is added.
NominalDamperDiameter IfcPropertySingleValueNominal damper diameter.
NominalInletAirPressure IfcPropertySingleValueNominal airflow inlet static pressure.
OperationTemperatureRangeIfcPropertySingleValueAllowable operational range of the ambient air temperature.
Reference IfcPropertySingleValueReference ID for this specified type in this project (e.g. type 'A-1'), Also referred to as "construction type". It should be provided as an alternative to the name of the "object type", if the software does not support object types.
ReheatType IfcPropertySingleValueTerminal box reheat type.
ReturnAirFractionRange IfcPropertySingleValueAllowable return air fraction range as a fraction of discharge airflow.
Status IfcPropertySingleValueStatus of the element, predominately used in renovation or retrofitting projects. The status can be assigned to as "New" - element designed as new addition, "Existing" - element exists and remains, "Demolish" - element existed but is to be demolished, "Temporary" - element will exists only temporary (like a temporary support structure).