IFC 4.3.1.0 (IFC4X3_ADD1) development

7.5.4.2 Pset_AirTerminalBoxTypeCommon

7.5.4.2.1 Semantic definition

Air terminal box type common attributes.

7.5.4.2.2 Applicable entities

7.5.4.2.3 Properties

Name Property Type Data Type Description
Reference IfcPropertySingleValue IfcIdentifier

Reference 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 and no classification reference to a recognized classification system used.

Status IfcPropertyEnumeratedValue PEnum_ElementStatus

Status 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).

AirFlowRateRange IfcPropertyBoundedValue IfcVolumetricFlowRateMeasure

Possible range of airflow that can be delivered.

AirPressureRange IfcPropertyBoundedValue IfcPressureMeasure

Allowable air static pressure range at the entrance of the air terminal box.

NominalAirFlowRate IfcPropertySingleValue IfcVolumetricFlowRateMeasure

Nominal air flow rate.

ArrangementType IfcPropertyEnumeratedValue PEnum_AirTerminalBoxArrangementType

Terminal box arrangement. SingleDuct: Terminal box receives warm or cold air from a single air supply duct. DualDuct: Terminal box receives warm and cold air from separate air supply ducts.

ReheatType IfcPropertyEnumeratedValue PEnum_AirTerminalBoxReheatType

Terminal box reheat type.

HasSoundAttenuator IfcPropertySingleValue IfcBoolean

If TRUE, the object has sound attenuation.

HasReturnAir IfcPropertySingleValue IfcBoolean

Terminal box has return air mixed with supply air from duct work.

HasFan IfcPropertySingleValue IfcBoolean

Terminal box has a fan inside (fan powered box).

NominalInletAirPressure IfcPropertySingleValue IfcPressureMeasure

Nominal airflow inlet static pressure.

NominalDamperDiameter IfcPropertySingleValue IfcPositiveLengthMeasure

Nominal damper diameter.

HousingThickness IfcPropertySingleValue IfcLengthMeasure

Air terminal box housing material thickness.

OperationTemperatureRange IfcPropertyBoundedValue IfcThermodynamicTemperatureMeasure

Allowable operation ambient air temperature range.

Allowable operational range of the ambient air temperature.

ReturnAirFractionRange IfcPropertyBoundedValue IfcPositiveRatioMeasure

Allowable return air fraction range as a fraction of discharge airflow.

Table 7.5.4.2.A

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7.5.4.2.4 Changelog

7.5.4.2.4.1 IFC4

7.5.4.2.4.2 IFC4.3_DEV_9f90c1f0