2019/2020 Competency-Based Task/Competency List for Heating, Ventilation, Air Conditioning, and Refrigeration I (8503/36 weeks, 140 hours)
Tasks/competencies when marked as such; they and/or additional tasks/competencies may be taught at the discretion of the school division. All other tasks are considered essential statewide and are required of all students.are considered optional
Demonstrating Personal Qualities and Abilities
Demonstrating Interpersonal Skills
Demonstrating Professional Competencies
- Demonstrate big-picture thinking.
- Demonstrate career- and life-management skills.
- Demonstrate continuous learning and adaptability.
- Manage time and resources.
- Demonstrate information-literacy skills.
- Demonstrate an understanding of information security.
- Maintain working knowledge of current information-technology (IT) systems.
- Demonstrate proficiency with technologies, tools, and machines common to a specific occupation.
- Apply mathematical skills to job-specific tasks.
- Demonstrate professionalism.
- Demonstrate reading and writing skills.
- Demonstrate workplace safety.
Examining All Aspects of an Industry
- Examine aspects of planning within an industry/organization.
- Examine aspects of management within an industry/organization.
- Examine aspects of financial responsibility within an industry/organization.
- Examine technical and production skills required of workers within an industry/organization.
- Examine principles of technology that underlie an industry/organization.
- Examine labor issues related to an industry/organization.
- Examine community issues related to an industry/organization.
- Examine health, safety, and environmental issues related to an industry/organization.
Addressing Elements of Student Life
- Identify the purposes and goals of the student organization.
- Explain the benefits and responsibilities of membership in the student organization as a student and in professional/civic organizations as an adult.
- Demonstrate leadership skills through participation in student organization activities, such as meetings, programs, and projects.
- Identify Internet safety issues and procedures for complying with acceptable use standards.
Exploring Work-Based Learning
Applying Basic Construction Safety Standards (Core Safety)
- Comply with federal, state, and local safety requirements, including OSHA, VOSH, and the EPA.
- Identify personal protective equipment (PPE) requirements.
- Inspect and maintain a safe working environment.
- Explain safe working practices around electrical hazards.
- Identify emergency first-aid procedures.
- Identify the types of fires and the methods used to extinguish them.
- Inspect course-specific hand and power tools to visually identify defects.
- Demonstrate lifting and carrying techniques.
- Demonstrate safe laddering techniques.
- Demonstrate safe scaffolding techniques.
- Report personal injuries, environmental issues, and equipment safety violations to the appropriate authority.
- Demonstrate lockout and tagout procedures.
- Earn the OSHA 10 card.
- Pass safety test for shop or site safety and for specific tool use.
Understanding the Theory of Heat
- Describe the changing states of matter.
- Describe the refrigeration process and the basic refrigeration components (e.g., compressor, condenser coil, metering device, evaporator coil).
- Describe the relationship of pressures and fluids at saturation temperatures.
- Identify the British thermal unit (BTU) and types of heat.
Working with Piping and Tubing
- Demonstrate torch safety.
- Connect pipe, using threaded joint.
- Connect pipe, using cemented joint.
- Connect tubing, using compression fitting.
- Connect tubing, using flare fitting.
- Connect tubing and fitting, using a soft solder joint.
- Connect tubing, using a swaged, brazed joint and nitrogen.
- Shape tubing run with offset and corner, using the bending tool.
Understanding Basic Electricity
- Interpret a schematic diagram.
- Draw a schematic diagram.
- Calculate voltage, amperage, and resistance in series and parallel circuits.
- Determine the appropriate wire size, based on equipment load amperage.
- Measure voltages in electrical circuits.
- Measure amperage in electrical circuits.
- Measure resistance in electrical circuits.
- Test electrical circuits for continuity.
- Test equipment and motor windings for grounds, opens, and shorts.
- Measure capacitance of a capacitor.
- Make electrical connections.
- Install electrical components.
- Troubleshoot high-voltage and low-voltage electrical systems.
Servicing and Maintaining Refrigeration Systems
- Perform routine preventive maintenance on refrigeration systems.
- Compare electrical problems to those that are mechanical.
- Demonstrate use of a refrigeration manifold gauge.
- Measure superheat and subcooling.
- Locate a leak in charged refrigerant circuits, using various leak detection methods.
- Locate a leak in an uncharged refrigerant circuit, using nitrogen pressurization or trace gas.
- Replace a filter-drier.
- Evacuate and charge a refrigeration circuit (new or contaminated system).
- Repair a leak in a refrigerant circuit.
- Identify various types of compressors.
- Add oil to a compressor.
- Adjust pressure to turn on an operating refrigeration system.
- Adjust the temperature switch.
- Adjust defrost cycle.
- Attempt to start a stuck hermetic (single-phase) compressor.
- Test refrigerant system for acid.
- Replace a compressor.
Understanding Motors and Controls
- Connect single-phase motors.
- Reverse the rotation of a single-phase motor.
- Troubleshoot the starting components of a single-phase motor.
- Install a hard-start kit on a hermetic compressor.
- Install a motor contactor.
- Replace a start or a run capacitor.
- Replace a starting relay.
- Replace a motor overload protector.
Complying with EPA Laws and Regulations
- Identify regulations affecting ozone depletion.
- Identify the evacuation requirements for small appliances.
- Detect noncondensables, using the pressure and temperature relationship (i.e., the P/T chart).
- Install high-side and low-side access valves when recovering refrigerant from small appliances with inoperative compressors.
- Recover refrigerants with system-dependent (passive) and self-contained (active) recovery methods.
- Remove the solderless access fitting at the conclusion of service.
- Identify annual leak rates for commercial and industrial process refrigeration and for other appliances containing more than 50 pounds of refrigerant.
- Identify high-pressure and low-pressure recovery techniques and requirements.
- Identify the components of high-pressure and low-pressure appliances and the state of refrigerant.
- Identify pressure-temperature relationships of high-pressure and low-pressure refrigerants.
- Obtain the EPA Section 608 certification.