7.5.2.1 IfcAirTerminalBoxTypeEnum
7.5.2.1.1 Semantic definition
This enumeration identifies different types of air terminal boxes.
7.5.2.1.2 Type values
| Type | 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 independent of supply pressure.  | 
USERDEFINED
 | 
 User-defined terminal box.  | 
NOTDEFINED
 | 
 Undefined terminal box.  | 
7.5.2.1.3 Formal representation
TYPE IfcAirTerminalBoxTypeEnum = ENUMERATION OF
	(CONSTANTFLOW
	,VARIABLEFLOWPRESSUREDEPENDANT
	,VARIABLEFLOWPRESSUREINDEPENDANT
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;