Extra Inline Equipment Components - Rect Air Displacement Unit

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

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

2. Select Rect Air Displacement Unit in the Available Type dropdown list to display the Air Displacement Unit window:

   

   The Air Displacement Unit 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.

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.

5. In the Front 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.

   The Clash Vol fields are pre-populated with the obstruction volumes associated with the Air Displacement Unit and the ducting.

Non-Standard Stock Sizes (Special)

6. 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

   • Body Width (A)

   • Body Length (B)

   • Body Height (C)

   • Body clHeight (E)

   • Arrive Extension

7. 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 - Rectangular Air Displacement Unit.

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

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

9. After selecting the type of joint to use for the Arrjoint, enter the Front Direction.

10. In the Front 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.

    The Clash Vol fields are pre-populated with the obstruction volume associated with the Rect Air Displacement Unit component and the ducting.

11. 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.

12. Select Defaults to reset all the fields back to when the Air Displacement Unit window was opened.

13. Select Fit to orientate the Air Displacement Unit to automatically match the outlet (p-leave) of the previous piece of HVAC to the inlet (p-arrive) of the next piece.

14. Select OK to create the Air Displacement Unit component and close the Air Displacement Unit Window. You will be returned to the HVAC Window.

15. Select Cancel to discard all the field changes and close the Air Displacement Unit window.