Rectangular Components - Turning Vanes
- Last UpdatedJan 12, 2026
- 2 minute read
The task of creating HVAC Component is initiated from the HVAC Window.
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Select Rectangular in the Categories dropdown list and then Turning Vanes in the Available Type dropdown list to display the Turning Vanes window:

You are required to input the following dimensions:
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Duct width AA
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Duct depth AB
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Duct width LA
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Leave Throat
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To visualize how the dimensions equate to the actual piece of HVAC, select Picture to display a detailed drawing for Rectangular Components Catalog Element - Turning Vanes.
Note: The fields will be pre-populated with default dimensions. These dimensions are governed by the details defined in the HVAC Catalog.
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Select Transpose width/depth to exchange Duct Width AA dimension with Duct depth AB dimension.
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Using the Direction radio buttons, you can choose which direction the air turning vanes are be directed relative to the Leave Direction.
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In the Connect list, select Connect or Unchanged:
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Select Connect (default when Create is selected) - connects the piece of HVAC to the previous one.
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Select Unchanged (default when Modify is selected) - positions the component at the co-ordinates 0.00.
Note: Unchanged is usually used, when Modify is selected, it does not connect the component but positions it at 0.00, in effect in a floating position.
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Select Defaults to reset all the fields back to when the Turning Vanes window was opened.
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Select Fit to orientate the Turning Vanes to automatically match the outlet (p-leave) of the previous piece of HVAC to the inlet (p-arrive) of the next piece.
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Select OK to create the Turning Vanes component and close the Turning Vanes Window. You will be returned to the HVAC Window.
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Select Cancel to discard all field changes and close the Turning Vanes window.