Johnson Controls LP-XT91D00-000C MD20 Extension Expansion Module [New]

The Master Display (MD20) is a supervisory controller of the Facility Explorer system. The Master Display monitors and interacts with a network of Heating, Ventilating, Air Conditioning, and Refrigeration (HVACR) controllers to form a complete building or equipment control system and provides operating data to local and remote users and operators via a number of different media options. The device has an integral graphic display along with a number of operating keys and indicators that present data to the user in a standard or customized way to view and acknowledge alarms, display historical trend data, and to override the operation of the monitored equipment.. Johnson Controls. Johnson Controls. LP-XT91D00-000C.