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Systems
In this section all systems related information needed to satisfy the Exchange HVAC Model - (Systems) will be described.
System Space Relationship
| Information Needed | Man | Opt | Rec | Actor Supplying | Functional Part |
|---|---|---|---|---|---|
| Describes a connection relationship between a system and a spatial structure element in which the system may have a connection with one or more different spatial structure elements. Spatial structure elements include sites, buildings, building storeys and individual spaces. A system may be related to as many spatial structure elements as required by specifying multiple system/spatial structure element relationships. |
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HVAC Designer | HVAC Systems (FP) |
Systems
| Information Needed | Man | Opt | Rec | Actor Supplying | Functional Part |
|---|---|---|---|---|---|
| Provides the information concerning systems where a system is a grouping of elements. In the context of a distribution system, all of the elements that are grouped to form the system should be subtypes of IfcDistributionElement. As well as enabling the description of complete systems, this functional part enables the grouping of elements into subsystems. Note that the shape representation of a system is derived from the shape representation of the elements that are grouped together within the system. The system itself has no 'own' shape representation. Further information about the system may be provided through locally defined property sets. There are no predefined property sets for systems |
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| Specification of a name for the system if required | |
HVAC Designer | HVAC Systems (FP) | ||
| Specification of a description for the system if required | |
HVAC Designer | HVAC Systems (FP) | ||
| The elements that are grouped together to form the system | |
HVAC Designer | HVAC Systems (FP) | ||
| Provides information about the flow properties of air in a duct segment, duct fitting or ventilation equipment. Properties may be defined as single values for steady state analysis, time series values for dynamic analysis or both. Properties include: |
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| Source | |
HVAC Designer | HVAC Systems (FP) | ||
| Type of fluid (material) | |
HVAC Designer | HVAC Systems (FP) | ||
| Temperature (wet and dry bulb) | |
HVAC Designer | HVAC Systems (FP) | ||
| Flow condition | |
HVAC Designer | [HVAC Systems (FP) | ||
| Flow rate | |
HVAC Designer | HVAC Systems (FP) | ||
| Velocity | |
HVAC Designer | HVAC Systems (FP) | ||
| Pressure | |
HVAC Designer | HVAC Systems (FP) |