Create analytical systems in Revit

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In Revit, after all the necessary system zones and analytical spaces have been designated in your model per discipline,

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you can then create the corresponding analytical systems by adding zone equipment, an air system, and water loops.

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To begin, on the View ribbon in the Windows panel, expand the User Interface drop-down and select System Browser.

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At the top of the System Browser, expand the drop-down and select Analytical Systems.

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Here, you have three tools you can use to create your analytical systems:

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Add Zone Equipment,

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Add Air System,

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and Add Water Loop.

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First, click Add Zone Equipment.

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In the Properties palette, specify the Name as “VAV 1-1”,

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the Equipment Type as Series Fan Powered Box,

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the Behavior as Group Spaces on Equipment,

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and the Heating Coil as Electric Resistance.

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With the Unassigned zone selected in the floor plan, note it is given the name System-Zone.

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Then, in the Properties Palette set the Zone Equipment to VAV 1-1

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Next, in the System Browser, click Add Air System.

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In the Properties palette, specify the Name as “AHU 1”,

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the Heat Exchanger as Enthalpy,

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Preheat Coil as Electric Resistance,

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Cooling Coil as Chilled Water,

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Heating Coil as Hot Water,

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and Fan as Variable Volume.

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Lastly, add a water loop using the System Browser.

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Click Add Water Loop.

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In the Properties palette, specify the Name as “Chilled Water”,

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the Loop Type as Chilled Water,

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and the Chiller Type as Air Cooled.

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Then, add another water loop for hot water.

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So, in the Properties palette, specify the Name as “Hot Water” and the Loop Type as Hot Water.

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Next, in the System Browser, select AHU 1.

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In the Properties palette, select the water loops you created for the Chilled Water Loop and Heating Hot Water Loop.

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Your analytical air system now has associated hot- and cold-water loops.

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Finally, in the System Browser, select VAV 1-1 one more time.

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In the Properties palette, select AHU 1 for the Air System you created.

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As you can see, using the tools in the System Browser to create analytical systems

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is a very fast way to add zone equipment, air systems, and water loops.