Repair and service carbon dioxide refrigeration systems

KHU-ELT-0445

This unit involves the skills and knowledge required to repair and service carbon dioxide (CO²) refrigeration system. It includes servicing and repairing refrigeration equipment using CO² as a refrigerant excluding self-contained trans-critical systems. It also includes applying safe working practices and refrigeration principles that apply to CO²; following service manuals; testing, locating and rectifying faults and defective components; and completing the necessary service documentation. The skills and knowledge in this unit will be applied by refrigeration and air conditioning technicians during the service and repair of refrigeration systems using CO² refrigerant. The skills and knowledge described in this unit require a licence or permit to practice in the workplace where work is carried out on electrical installations which are designed to operate at voltages greater than 50 volt