 | Air Terminal Type Enum |
 | Énumération des types d'entrée/sortie d'air |
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 |
|---|---|---|---|---|
| IfcAirTerminalTypeEnum | ||||
| LOUVRE | ADDED | |||
| EYEBALL | X | X | DELETED | |
| IRIS | X | X | DELETED | |
| LINEARGRILLE | X | X | DELETED | |
| LINEARDIFFUSER | X | X | DELETED |
Enumeration defining the functional types of air terminals.
NOTE Architectural louvres within doors or windows are defined by IfcPermeableCoveringProperties.
HISTORY New enumeration in IFC2x2. Modified in IFC4 to add LOUVRE and remove EYEBALL, IRIS, LINEARGRILLE, LINEARDIFFUSER.
| Constant | Description |
|---|---|
| DIFFUSER | An outlet discharging supply air in various directions and planes. |
| GRILLE | A covering for any area through which air passes. |
| LOUVRE | A rectilinear louvre. |
| REGISTER | A grille typically equipped with a damper or control valve. |
| USERDEFINED | User-defined air terminal type. |
| NOTDEFINED | Undefined air terminal type. |
<xs:simpleType name="IfcAirTerminalTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="diffuser"/>
<xs:enumeration value="grille"/>
<xs:enumeration value="louvre"/>
<xs:enumeration value="register"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
TYPE IfcAirTerminalTypeEnum = ENUMERATION OF (
DIFFUSER,
GRILLE,
LOUVRE,
REGISTER,
USERDEFINED,
NOTDEFINED);
END_TYPE;
References: IfcAirTerminal
IfcAirTerminalType
EXPRESS-G diagram
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