2019/2020 Competency-Based Task/Competency List for Heating, Ventilation, Air Conditioning, and Refrigeration II (8504/36 weeks, 280 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 legal requirements, including OSHA, VOSH, and 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 a safety test for shop or site safety and for specific tool use.
Understanding Motors and Controls
Servicing and Maintaining Fossil Fuel Heating Systems
- Interpret customer heating complaints.
- Adjust gas pressure.
- Adjust the burner primary air on an oil furnace.
- Adjust the burner air on a gas furnace.
- Adjust the pilot flame in relation to the thermocouple.
- Adjust the pilot igniter.
- Adjust the direct-spark igniter.
- Determine furnace efficiency through combustion analysis.
- Test for gas leaks.
- Adjust the oil pump pressure.
- Test oil and gas safety controls.
- Replace the gas orifice and gas burner.
- Replace the gas valve.
- Replace an oil burner (chassis and air tube).
- Replace the burner nozzle.
- Replace the oil burner motor.
- Replace the fuel oil pump.
- Replace the oil filter cartridge.
- Clean furnace and components.
- Convert natural gas components to propane components, using a conversion kit.
Servicing and Maintaining Alternative Fuel Heating Systems
- Summarize the concepts of electric heat, heat pump, and hydronics heating systems.
- Calculate cubic feet per minute (CFM), using the temperature-rise method.
- Identify the components of each alternative system (e.g., electric, heat pump, hydronics).
- Purge air from a hydronics system (e.g., radiators).
Servicing and Maintaining Cooling Systems
- Interpret customer cooling complaints.
- Read various tools and instruments needed for checking, testing, operating, and troubleshooting air-conditioning systems.
- Measure the temperature difference across a coil.
- Install a condensing unit.
- Install the air-handler unit.
- Charge the air-conditioning system, using various methods.
- Check the external components of the system for proper operation.
Sizing and Installing Duct Systems
- Modify existing plenum for evaporator installation.
- Prepare openings for registers, grills, and duct penetration.
- Install the branch duct takeoff from the main, using round metal duct and fittings.
- Install a rectangular metal duct and fittings.
- Install a round duct and fittings.
- Install the main duct (rectangular rigid fiberglass) and fittings.
- Determine the optimal air flow (CFM) based on the size of the unit/equipment and the duct.
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 both high- 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 state of refrigerant.
- Identify pressure-temperature relationships of high-pressure and low-pressure refrigerants.
- Obtain the EPA Section 608 certification.
Exploring Emerging HVACR Technologies and Industry Considerations
- Describe design choices for a proposed HVACR project that reflect an efficient use of energy.
- Describe design choices for a proposed HVACR system that reflect an efficient use of water.
- Describe design choices that can affect indoor air quality for proposed HVACR projects.
- Describe the history and definition of direct digital control (DDC) systems.
- Install a programmable controller.
- Describe emerging technology and energy-management options in the industry.