communication skills to interact in an ethical manner with clients from diverse social, economic and cultural backgrounds decision-making and problem-solving skills to identify and rectify faults in swimming pool and spa heating systems literacy skills to read and interpret work instructions numeracy skills to interpret mathematical and graphical information related to swimming pool and spa heating systems research skills to locate manufacturer’s and other information on components and operation of swimming pool and spa heating systems technology skills to use tools and equipment required to carry out routine maintenance on swimming pool and spa heating systems Required knowledge Australian Competition and Consumer Commission product safety guidelines commonwealth, state or territory, and local government legislation and regulations, Australian standards, and codes of practice impacting on the routine maintenance of swimming pools and spas related to: dangerous goods electrical and plumbing regulations controlling conduct of electrical and plumbing work environment protection environmental health work health and safety private and public swimming pools and spas waste disposal energy efficiency: energy consumption of different heating systems ways of maximising energy efficiency of swimming pool and spa heating systems hazards associated with heated water in swimming pools and spas: algae bacteria chemical treatment protozoa viruses water testing swimming pool and spa heat loss and gain: calculations of energy loss and gain conduction loss controlling energy loss convection loss energy loss heat gains: heaters indirect sources sunlight pool and spa covers thermal radiation loss water temperatures for different water-related activities swimming pool and spa heating system: appliance details benefits and limitations of different types of heating systems common faults components differences between indoor and outdoor pools and spas: air temperature requirements energy efficiency energy recovery systems heating system impact on water chemistry maintenance procedures and costs operating principles of different heating systems principles underpinning use of pool cover in conjunction with heating system purpose of heating system source of advice on and assistance with heating systems types, operation, fault finding and servicing of heating systems: gas solar electric heat exchangers heat pumps |