CDU and FWU Systems, PLC and Microprocessor Controllers, Air-Cooled and Water-Cooled Condensers, Familiarity with BMS and remote monitoring systems, Sensors and Communication Networks, Compressors, Chilled Water Systems, Refrigerant Circuits, CRAC CRAH Systems, Precision Air Conditioning PAC Units, Knowledge of refrigerants and safe handling procedures, EEV TEV Valves, Electrical Panels and Drives, DX Cooling Systems