The LCI-C, available factory installed or field retrofitted, is an integrated communication board that enables the chiller controllers to communicate over a LonTalk® network. While monitoring alarms and status, the LCI-C is capable of controlling chiller setpoints and operating modes. The Trane LCI-C adds, to the standard chiller profile, an additional set of points to satisfy a broader range of system interoperable applications. These added points, or open extensions, build on the standard LonMark® chiller profile.