Rectangular Components - Mitred Elbow
- Last UpdatedJan 13, 2026
- 2 minute read
The task of creating an HVAC Component is initiated from the HVAC Window.
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Select Rectangular in the Categories dropdown list and then miterd Elbow in the Available Type dropdown list to display the miterd Elbow window:

You are required to input 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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Angle
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Arrive Throat
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Leave Throat
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Inside Radius
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Back Radius
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To visualize how the dimensions equate to the actual piece of HVAC select Picture to display a detailed drawing for miterd Elbow.
Note: The fields will be pre-populate 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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Specify a type of joint to use for the Arrjoint (Arrive Joint) and Leajoint (Leave Joint). For a detailed description, see Create / Modify HVAC Components.
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After selecting the type of joint to use for the Arrjoint and Leajoint, enter the Leave Direction.
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In the Leave Direction specify the axis to be used. Valid axes are E (East), N (North), U (Up), -E (negative East), -N (negative North) or -U (Negative Up).X, Y, Z, -X, -Y or -Z.
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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 miterd Elbow window was opened.
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Select Fit to orientate the piece of HVAC 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 miterd Elbow component and close the miterd Elbow Window. You will be returned to the HVAC Window.
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Select Cancel to discard all the field changes and close the miterd Elbow window.