Connection Box Circ-Rect

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

Select Extra Inline Equipment in the Categories drop-down list and then Connection Box Circ- Rect in the Available Type drop-down list to display the Connection Box window:

The Connection Box window default is a standard stock size, but can be changed by you using one of the following methods:

Standard Stock Sizes

In the Name(Ref) field, input 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.

To choose from the standard stock sizes available from the HVAC Catalog, in the Stock Size drop-down list, click the required size for the HVAC component.

You can select the location of the circular entry on the rectangular box, using the Circle Entry drop-down list select: On SIDE of box, On TOP of box, On FRONT of box.

In the Key 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).

Non Standard Stock Sizes (Special)

If you chose not to use a standard stock piece of HVAC, from the Stock Size drop-down list, click Special.

You are required to input the following dimensions:

• Name(Ref)

• You can select the location of the circular entry on the rectangular box, using the Circle Entry drop-down list select: On SIDE of box, On TOP of box, On FRONT of box.

• Duct Diameter ‘A’

• Duct width LA

• Duct depth LB

• Box Width

• Box Depth

• Box Length

• A Offset

• B Offset

• Arrive Extension

• Leave Extension

To visualize how the dimensions equate to the actual piece of HVAC, click Picture to display a detailed drawing for Connection Box with ‘Circ Inlet - Rect Outlet’.

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

Click Transpose Width/Depth to exchange the Duct Width LA dimension with the Duct Depth LB dimension.

Click Transpose Width/Depth to exchange the Box Width dimension with the Box Depth dimension.

Specify a type of joint to use for the Arrive Joint. Refer to Create/Modify HVAC Component for a detailed description.

After selecting the type of joint to use for the Arrive Joint, you must enter the Leave Direction.

In the Key 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).

In the Position 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.

Click Defaults to reset all the fields back to when the Connection Box window was opened.

Click Fit to orientate the Connection Box to automatically match the outlet (p-leave) of the previous piece of HVAC to the inlet (p-arrive) of the next piece.

Click OK to create the Connection Box component and close the Connection Box Window. You will be returned to the HVAC Window.

Click Cancel to discard all the field changes and close the Connection Box window.