#### 7.1.2.5 IfcCoilTypeEnum

Enumeration defining the typical types of coils.

Enumerated Item Definitions:

- DXCOOLINGCOIL: Cooling coil using a refrigerant to cool the air stream directly.
- WATERCOOLINGCOIL: Cooling coil using chilled water. HYDRONICCOIL supercedes this enumerator.
- STEAMHEATINGCOIL: Heating coil using steam as heating source.
- WATERHEATINGCOIL: Heating coil using hot water as a heating source. HYDRONICCOIL supercedes this enumerator.
- ELECTRICHEATINGCOIL: Heating coil using electricity as a heating source.
- GASHEATINGCOIL: Heating coil using gas as a heating source.
- HYDRONICCOIL: Cooling or Heating coil that uses a hydronic fluid as a cooling or heating source.
- USERDEFINED: User-defined coil type.
- NOTDEFINED: Undefined coil type.

> HISTORY New enumeration in IFC2x.

XSD Specification:

<xs:simpleType name="IfcCoilTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="dxcoolingcoil"/>
<xs:enumeration value="electricheatingcoil"/>
<xs:enumeration value="gasheatingcoil"/>
<xs:enumeration value="hydroniccoil"/>
<xs:enumeration value="steamheatingcoil"/>
<xs:enumeration value="watercoolingcoil"/>
<xs:enumeration value="waterheatingcoil"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>

EXPRESS Specification:

TYPE IfcCoilTypeEnum = ENUMERATION OF (
| DXCOOLINGCOIL, ELECTRICHEATINGCOIL, GASHEATINGCOIL, HYDRONICCOIL, STEAMHEATINGCOIL, WATERCOOLINGCOIL, WATERHEATINGCOIL, USERDEFINED, NOTDEFINED);
END_TYPE;

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