Circular Components - Side Branch Tee

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

1. Select Circular in the Categories drop-down list and then Side Branch Tee in the Available Type drop-down list to display the Circular Tee Piece window:

   

   The Circular Tee Piece window default is a standard stock size, but can be changed by the user using the following two methods:

   Standard Stock Sizes

2. To choose from the standard stock sizes available from the HVAC Catalog, in the Stock Main Sizes and Stock Branch Size drop-down lists, click the required dimensions for the HVAC component.

3. In the Brco Direction specify the axis that should 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.

   Non Standard Stock Sizes (Special)

4. If the user chooses not to use a standard stock piece of HVAC, from the Stock Main Sizes drop-down list, select Special.

   The Stock Branch Sizes drop down list automatically changes to Special.

   The user is required to input the following dimensions:

   • Duct Diameter ‘A’

   • Duct Diameter ‘L’

   • Brco Diameter

   • Length

   • Brco Length

   • cl from Leave

   • Angles of Sides

   • Arrive Extension

   • Leave Extension

   • Brco Extension

   • Inner Extension

5. To visualize how the dimensions equate to the actual piece of HVAC, click Picture to display a detailed drawing for Circular Components Catalog Element - Tee Piece.

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

6. Specify a type of joint to use for the Arrjoint (Arrive Joint), Leajoint (Leave Joint) and Brajoint (Branch Joint). The default is Spec but can be changed by the user. Refer to Create HVAC Component for a detailed description.

7. After selecting the type of joint to use for the Arrjoint and Leajoint the user must enter the Brco Direction.

8. In the Brco Direction specify the axes that should 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.

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

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

   • Click 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.

10. Click Defaults to reset all the fields back to when the Radiused Threeway window was opened.

11. Click Fit to orientate the Circular Tee Piece to automatically match the outlet (p-leave) of the previous piece of HVAC to the inlet (p-arrive) of the next piece.

12. Click OK to create the Circular Tee Piece component and close the Circular Tee Piece Window.

    The user will be returned to the HVAC Window.

13. Click Cancel to discard all the field changes and close the Circular Tee Piece window.