_:vb50768003 . "System" . _:vb50768003 . . . "A System is a combination of equipment and auxiliary devices (e.g., controls, accessories, interconnecting means, and termi\u00ADnal elements) by which energy is transformed so it performs a specific function such as HVAC, service water heating, or lighting. (ASHRAE Dictionary)." . _:vb50768003 . _:vb50768003 . . . _:vb50768003 .