The new EPIC System measures energy usage while monitoring coil performance to adjust a Pressure Independent (PI) Control Valve to. lot attempt you place to make this kind of wonderful enchanted casino online wild casino free chip no deposit. The new EPIC System measures energy usage while monitoring coil performance to adjust a Pressure Independent (PI) Control Valve to optimize coil. An adult patient is admitted with decompensated heart failure. . Prepared by Gabrielle Bailey, MD, and reviewed by Karen Carroll, MD.