
Cambodian Skills Delivery Model
Repair and service ammonia refrigeration systems
KHU-ELT-0444
This unit involves the skills and knowledge required to repair and service ammonia refrigeration systems. It includes servicing and repairing refrigeration equipment using ammonia as the refrigerant. It also includes applying safe working practice and refrigeration principles that apply to ammonia; following service manuals; testing, locating and rectifying faults and defective components, and completing 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 ammonia 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 (V) alternating current (a.c.) or 120 V direct curr