Extra Inline Equipment Components - Circular Air Extract Hood

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

1. Select Extra Plant Equipment in the Categories dropdown list.

2. Select Circular Air Extract Hood in the Available Type dropdown list to display the Air Extract Hood window:

   

   The Air Extract Hood window default is a standard stock size, but can be changed by using one of the following methods:

   • Standard Stock Sizes

   • Non-Standard Stock Sizes (Special)

Standard Stock Sizes

3. In the Name(Ref) field, enter the name of the HVAC component.

   Note: The fields will be pre-populated with default dimensions. These dimensions are governed by the details defined in the HVAC Catalog. Mid Section Heig and Arrive Taper Heig can be changed.

4. To choose from the standard stock sizes available from the HVAC Catalog, in the Stock Size dropdown list, select the required dimension for the HVAC component.

Non-Standard Stock Sizes (Special)

5. To choose to use a non-standard stock piece of HVAC, from the Stock Sizes dropdown list, select Special.

   You are required to input the following dimensions:

   • Name(Ref)

   • Duct Diameter

   • Top Diameter

   • Overall Diameter

   • Cowl Height

   • Mid Section Heig

   • Arrive Taper Heig

   • Arrive Extension

6. To visualize how the dimensions equate to the actual piece of HVAC, select Picture to display a detailed drawing for Extra Plant Equipment Catalog Element - Circular Air Extract Hood.

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

7. Specify a type of joint to use for the Arrjoint (Arrive Joint). For a detailed description, see Create / Modify HVAC Components.

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 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.

9. Select Defaults to reset all the fields back to when the Air Extract Hood window was opened.

10. Select Fit to orientate the Air Extract Hood 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 Air Extract Hood component and close the Air Extract Hood Window. You will be returned to the HVAC Window.

12. Select Cancel to discard all the field changes and close the Air Extract Hood window.