You can view the system properties for a system using the System Properties tool available from the system editor.
In the drawing area, select one of the components in the system, and click the appropriate (Duct, or Pipe) Systems tabSystem Tools panelEdit System (Piping System or Duct System ).
When more than one system is associated with the selected component, the Select a System dialog opens.
Select a system and click OK.
All except the components in the selected system are dimmed in the view, and the system editing tools display. The Options Bar displays the System Name, System Equipment and the Number of Elements in the system.
Click Edit Duct/Pipe System tabProperties panelProperties (Piping System or Duct System ).
Instance properties for the selected system display in the Properties palette.
Make changes and click Apply.
Click Finish Editing System to confirm the selection.