This tool lets you select components in a view to be deleted from a system. Prior to removing a component from an existing system, you must first delete any ductwork that connects the component to an existing system.
System Tools panel
Edit System (Piping System When more than one system is associated with the selected component, the Select a System dialog opens.
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.
Edit Duct/Pipe System panel
The selected components are added to the system.