Abstract: A graphical thermostat and sensor permits a user to graphically control and customize heating and cooling start/stop times using a large LCD display. The display includes the presentation of a daily trend graph that lets a user quickly determine if the HVAC system is working properly. The large LCD display also shows a trend graph which illustrates when the HVAC system is scheduled to go unoccupied, and can be used to change the occupation/unoccupation schedule at the touch of a button. The thermostat also includes a communications jack that provides access to the HVAC control system for commissioning and maintenance.

Abstract: A security vault for receiving and permitting seriatim access to a number of receptacles, which may receive coin boxes used in pay telephones or the like. The receptacles are on multiple tiers of a carousel assembly rotatably mounted within a security barrier. A doorway in the security barrier permits access only to a single receptacle on each tier, as the carousel assembly is indexed in rotation, and a door selects only one tier at a time for access. An indexing and locking mechanism selectively couples the door to the carousel assembly, displacing the door to the next available tier and then locking the door to prevent unauthorized access to any receptacle on a previous tier.