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Air Distribution Components Revit mep

Air distribution componentscome in many shapes and sizes. Depending on the design, they can be mounted in a variety of ways, such as the following:
Diffusers in a ceiling •u Duct-mounted sidewall diffusers •u Wall mounted •u
Suspended •u
In each of these instances, the designer must decide whether to use hosted components (and if so, which type of hosting) or whether to host at all. There are different (and similar) ways of placing these objects, and some may be conflicting.

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An example of this is an installation that has diffusers hosted in the ceiling as well as areas where the architect’s design is for suspended fittings (see Figure 10.1). In this project, assume there is an external architect and that the architectural model is being linked. This means straightaway that you cannot use ceiling-hosted air terminals. Although you can see the linked ceiling, Revit
recognizes it only as a face. Because of this, the air terminals will need to be created either as facehosted families or families that are hosted to the level—that is, no physical hosting.

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The most important point here is that, after you commit to one type of family (hosted, nonhosted, wall, and so on), you can exchange, for example, a ceiling-hosted air terminal only with a similarly-hosted air terminal, not just those that are of the same category (see Figure 10.2).
The next problem is that the air terminals that are suspended are in fact the same type as those that are mounted within the ceiling tiles. The engineer wants to be able to schedule and filter them as one. How do you manage this?
The ability to copy/monitor air terminals (as well as lighting fixtures, mechanical equipment, and plumbing fixtures) means that the services engineers can monitor the locations of air terminals that the architect has placed because the architect is responsible for placing these
objects. As with the other items that can be copy/monitored, the services designer can choose to copy the original family type from the linked file or “map” it to one of their own choosing.
In Figure 10.3, you can see, however, that after the air terminals have been copied/monitored, regardless of the type of host association, this ceiling-hosted family has no host but is in the correct location specified by the architect.

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