Evidence shall show that knowledge has been acquired of safe working practices and installing pipe work for refrigeration and air conditioning systems. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-EJ106A Refrigerant pipework, flow controls and accessories Evidence shall show an understanding of refrigerant pipework, flow controls and accessories, applying safe working practices and relevant Standards, Codes and Regulations to an extent indicated by the following aspects: T1 Environmental and building regulation types of heritage listings purpose and principles of regulations related maintaining heritage sites responsibilities of those working in and around heritage sites scope of environmental protection and related regulations purpose and principles of regulations related to environmental protection responsibilities of those working in and around environmentally protected sites the protocols for working in and around protected environments and heritage sites. T2 Refrigeration pipework appropriate piping arrangements for refrigerant lines including discharge lines, liquid lines, suction lines position of equipment in relation pipework requirements for vertical and horizontal pipe runs. requirements for oil return and prevention of flood back techniques for the prevention of noise and vibration insulation requirements and materials pipework insulation requirements, including relevant technical standards, regulations and codes pipe work installation techniques insulation requirements and materials T3 Refrigerant pipework accessories types including pipe work fittings, hand valves, isolation valves, solenoid valves, check valves, reversing valves, filter/dryers, sight glasses, accumulators, oil separators, pressure relief devices applications operation location and installation testing replacement T4 Refrigerant liquid flow controls and distributors types including capillary, hand expansion valve, thermostatic expansion valve, thermo-electric expansion valve, electronic expansion valve, low side floats, high side floats, liquid level controllers applications operation location and installation testing and adjusting settings replacement T5 Refrigerant vapour flow controls types including evaporator pressure regulators, crankcase pressure regulators, condenser bypass valves, electronic valves/controllers applications operation location and installation testing and adjusting settings replacement |