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Hull and Outfitting

Transformation Components - Linear Plenum

  • Last UpdatedJan 27, 2026
  • 2 minute read

The task of creating an HVAC Component is initiated from the HVAC Window.

  1. Select Transformations in the Categories dropdown list and then Linear Plenum in the Available Type dropdown list to display the Linear Plenum window:

    You are required to input the following dimensions:

    • Duct Diameter

    • duct width LA

    • duct depth LB

    • Rect Box Height

    • Height cl Circ

    • A offset

    • Circ Extension

    • Male Collar

  2. To visualize how the dimensions equate to the actual piece of HVAC, select Picture to display a detailed drawing for Transformations Components Catalog Elements - Circular to Linear Plenum.

    Note: The fields will be pre-populated with default dimension. These dimension are governed by the details defined in the HVAC Catalog.

  3. Select Transpose width/depth to exchange duct width LA dimension with duct width LB dimension.

  4. Specify a type of joint to use for the Circ Jnt (Circular Joint) and Rect Jnt (Rectangular Joint). For more information, see Create / Modify HVAC Components.

  5. After selecting the type of joint to use for the Circ Jnt and Rect Jnt, you must enter the Leave Direction.

  6. In Leave Direction specify the Axis that should be used. Valid Axis are E (East), N (North), U (Up), -E (negative East), -N (negative North) or -U (Negative Up). X, Y, Z, -X, -Y or -Z.

  7. Using the Flip? - Rect > Circ dropdown list, you can choose whether to flip the direction of arrive and leave of the of the piece of HVAC, 180° relative to the point of origin.

  8. In the Connect list, select Connect or Unchanged:

    • Select Connect (default when Create is selected) - connects the piece of HVAC to the previous one.

    • Select Unchanged (default when Modify is selected) - positions the piece of HVAC at the co-ordinates 0.00.

    Note: Unchanged is usually used, when Modify is selected, it does not connect the piece of HVAC but positions it at 0.00, in effect in a floating position.

  9. Select Defaults to reset all the fields back to when the Linear Plenum window was opened.

  10. Select Fit to orientate the Linear Plenum to automatically match the outlet (p-leave) of the previous piece of HVAC to the inlet (p-arrive) of the next piece.

  11. Select OK to create the Linear Plenum component and close the Linear Plenum Window. You will be returned to the HVAC Window.

  12. Select Cancel to discard all field changes and close the Linear Plenum window.

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