To visualise how the dimensions equate to the actual piece of HVAC click Plotfile to display a detailed drawing to refer to all the available HVAC Components as an annotated drawings, refer to HVAC Catalogue.

Click Properties to view the user defined fitting parameters displayed in the Modify Properties window:

If the default parameters are not suitable, you can then amend the available parameters as required and click Reset to change the parameters.

Click OK to close the Modify Properties window.

Click Cancel to close the Modify Properties window.

From the drop-down list, select Connect or Unchanged:

Click Default to clear all the dimensions currently in the window and set them to the dimensions when the window was first opened.

Click Reset to change the properties of the HVAC Component and close the Modify Properties window. You will be returned to the HVAC Window.