complex industrial refrigeration system design, safe working practices and relevant standards, codes and regulations including: AS/NZS 1677 Refrigerating systems SAA refrigeration code ANSI/IIAR standards ANSI/ASHRAE standards IIAR bulletins moderate and low temperature industrial refrigeration systems: direct, flooded and pumped liquid recirculation systems evaporators multi-staged compression direct staging cascade staging compound compressors de-superheaters and liquid injection direct expansion intercoolers open and closed intercoolers basic designs of accumulators/intercooler vessels oil cooling methods oil stabilisation, return and oil recovery in flooded systems multiple evaporators and multiple compressors: parallel evaporators multiple temperature systems evaporator pressure regulators temperature control methods parallel compressors pipe work layout methods of establishing pressure drop in dry and wet suction lines indirect refrigeration systems: classification according to AS/NZS 1677 Refrigerating systems SAA refrigeration code applications evaporators heat exchangers, types, construction and selection secondary refrigerants brines antifreeze solutions flooded systems: applications equipment accumulators level controls liquid recirculation pumps liquid pressure relief valve cryogenic systems: applications and equipment system components refrigerants design safety economics cascade systems basic control sequences: maintaining evaporator conditions staging and suction pressure control maintaining condenser conditions control of intermediate pressure, methods of industrial refrigeration compressor capacity control system design: required cooling capacity per day running time and required system cooling capacity system capacity control for peak and low load refrigeration system diagrams refrigerant, equipment, major component, controls, piping and accessory selection problem-solving techniques relevant job safety assessments or risk mitigation processes relevant manufacturer specifications relevant WHS/OHS legislated requirements relevant workplace budget, quality, policies and procedures relevant workplace documentation. |