IfcAirTerminalBoxTypeEnum

Semantic definitions at the type

Type definition

This enumeration identifies different types of air terminal boxes.

HISTORY New enumeration in IFC2.0.

Enumeration definition

Constant	Description
CONSTANTFLOW	Terminal box does not include a means to reset the volume automatically to an outside signal such as thermostat.
VARIABLEFLOWPRESSUREDEPENDANT	Terminal box includes a means to reset the volume automatically to a different control point in response to an outside signal such as thermostat: air-flow rate depends on supply pressure.
VARIABLEFLOWPRESSUREINDEPENDANT	Terminal box includes a means to reset the volume automatically to a different control point in response to an outside signal such as thermostat: air-flow rate is independant of supply pressure.
USERDEFINED	User-defined terminal box.
NOTDEFINED	Undefined terminal box.

Formal representations

XSD Specification

 <xs:simpleType name="IfcAirTerminalBoxTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="constantflow"/>

   <xs:enumeration value="variableflowpressuredependant"/>

   <xs:enumeration value="variableflowpressureindependant"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcAirTerminalBoxTypeEnum = ENUMERATION OF (

 CONSTANTFLOW, 
 VARIABLEFLOWPRESSUREDEPENDANT, 
 VARIABLEFLOWPRESSUREINDEPENDANT, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram

	Air Terminal Box Type Enum
	Énumération des types de diffuseur d'air