Describe types of torch equipment utilized by field technicians and explain how and why different torch setups and pressures are used.
Explain the use of nitrogen in soldering and brazing.
Incorporate safety procedures in handling, operating, and maintaining tools and machinery; handling materials; utilizing personal protective equipment; maintaining a safe work area; and handling hazardous materials and forces.
Demonstrate effective workplace and employability skills, including communication, awareness of diversity, positive work ethic, problem-solving, time management, and teamwork.
Explore the range of careers available in the field and investigate their educational requirements, and demonstrate job-seeking skills including resume-writing and interviewing.
Advocate and practice safe, legal, responsible, and ethical use of information and technology tools specific to the industry pathway.
Participate in a Career and Technical Student Organization (CTSO) to increase knowledge and skills and to enhance leadership and teamwork.
Explain how AC power is generated and used.
Explain how transformers operate and identify various types of transformers used in HVAC refrigeration systems.
Identify the various types of induction motors and explain how they operate.
Explain how to test various AC-powered devices.
Test AC devices.
Describe the operation of various types of compressors.
Explain common causes of compressor failures.
Identify and explain the operation of various compressor protection devices.
Describe the type of copper used in refrigerating pipes.
Explain how copper piping is measured and why long radius fittings are used.
Explain the difference between plumbing copper and ACR copper and the fittings used with each type.
Describe the characteristics of various refrigerants and the applications that require these characteristics.
Identify various refrigerant classifications and describe their environmental impact.
Use pressure-temperature (PT) charts to calculate superheat and subcooling.
Identify and describe lubricating oils and issues related to their function.
Describe considerations related to refrigerant conversions.
Examples: material compatibility, refrigerant characteristics, lubricant compatibility
Identify and describe common gaskets, packing materials, seals, and bearings.
Describe the properties of common lubricants and how they are applied.
Apply lubricants according to manufacturer’s specifications.
Identify different types of drive belts and describe how they are installed and adjusted.
Install and adjust a drive belt.
Outline the inspection and/or maintenance requirements for selected equipment.
Incorporate safety procedures in handling, operating, and maintaining tools and machinery; handling materials; utilizing personal protective equipment; maintaining a safe work area; and handling hazardous materials and forces.
Demonstrate effective workplace and employability skills, including communication, awareness of diversity, positive work ethic, problem-solving, time management, and teamwork.
Explore the range of careers available in the field and investigate their educational requirements, and demonstrate job-seeking skills including resume-writing and interviewing.
Advocate and practice safe, legal, responsible, and ethical use of information and technology tools specific to the industry pathway.
Participate in a Career and Technical Student Organization (CTSO) to increase knowledge and skills and to enhance leadership and teamwork.
Identify and demonstrate the safe use and maintenance of various types of hand and power tools including levels, squares, clamps, hand saws, circular/table/miter saws, routers, drills, and pneumatic staple and nail guns.
