Condensing pressure Controls upm to eight outputs fo single or multi-stage fans Pressure control with two setpoints for energy saving Differentiated start/stop sequence of fans Limitation of starts System and fan diagnostics Storage of ten alarms Automatic maintenance management Alpha-numeric display with four selectable languages Connection to supervisor PC. Applications : for cryogenerators in supermarkets,warehouses and all systems in which the condensation pressure should be kept constant Order example : COPC80IEA, 1 or 2 COPM28E modules,PGT30 transmitter.