Title: Heating, Ventilation, Air Conditioning, and Refrigeration II (17056-II)

Demonstrating Personal Qualities and Abilities
  Demonstrate creativity and innovation.
  Demonstrate critical thinking and problem-solving.
  Demonstrate initiative and self-direction.
  Demonstrate integrity.
  Demonstrate work ethic.
  WorkplaceReadinessSkillsPoster2019.pdf
Demonstrating Interpersonal Skills
  Demonstrate conflict-resolution skills.
  Demonstrate listening and speaking skills.
  Demonstrate respect for diversity.
  Demonstrate customer service skills.
  Collaborate with team members.
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
  Identify the types of work-based learning (WBL) opportunities.
  (Optional) Reflect on lessons learned during the WBL experience.
  Explore career opportunities related to the WBL experience.
  (Optional) Participate in a WBL experience, when appropriate.
Applying Basic Construction Safety Standards (Core Safety)
  Comply with federal, state, and local safety requirements.
  Review personal protective equipment (PPE) requirements.
  Maintain a safe working environment.
  Review safe working practices around electrical hazards.
  Review emergency first-aid procedures.
  Review the types of fires and the methods used to extinguish them.
  Inspect course-specific hand and power tools to visually identify defects.
  Review lifting and carrying techniques.
  Review safe laddering techniques.
  Review safe scaffolding techniques.
  Report personal injuries, environmental issues, and equipment safety violations to the appropriate authority.
  Review lockout and tagout procedures.
Servicing and Maintaining Refrigeration Systems
  Adjust pressure to turn on an operating refrigeration system.
  Adjust defrost cycle.
  Attempt to start a stuck hermetic (single-phase) compressor.
  Demonstrate process for replacing a compressor.
Understanding Motors and Controls
  Diagnose a contactor for repair or replacement.
  Identify different types of motors.
  Replace the fan motor, blower wheel, and motor.
  (Optional) Perform V-belt inspection or replacement.
  Check motor current (i.e., amps).
  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.
Servicing and Maintaining Fossil Fuel Heating Systems
  Describe different ignition methods in a fossil fuel heating system.
  Determine furnace efficiency through combustion analysis.
  Clean the furnace and components.
  Test oil and gas safety controls.
  (Optional) Adjust the burner primary air on an oil furnace.
  (Optional) Adjust the oil pump pressure.
  Identify the basic sequence of operation of a gas furnace.
  (Optional) Replace an oil burner (chassis and air tube).
  (Optional) Replace the oil burner motor.
  (Optional) Replace the burner nozzle.
  (Optional) Replace the fuel oil pump.
  (Optional) Replace the oil filter cartridge.
  Adjust gas pressure.
  Test for gas leaks.
  Replace the gas orifice and gas burner.
  Replace the gas valve.
  (Optional) 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.
  Identify the components of each alternative system.
  (Optional) Purge air from a hydronics system (e.g., radiators).
  Calculate cubic feet per minute (CFM), using the temperature-rise method.
Servicing and Maintaining Cooling Systems
  Read various tools and instruments needed for checking, testing, operating, and troubleshooting air-conditioning systems.
  Measure the temperature difference across a coil (delta T).
  Demonstrate the process for installing a condensing unit.
  Demonstrate the process for installing an air-handler unit.
  Demonstrate charging the air-conditioning system, using various methods.
  Check the external components of the system.
Sizing and Installing Duct Systems
  Modify existing plenum for evaporator installation.
  Demonstrate the installation of the branch duct takeoff from the main, using round metal duct and fittings.
  Demonstrate the installation of a rectangular metal duct and fittings.
  Demonstrate the installation of a round duct and fittings.
  (Optional) Demonstrate the installation of the main duct (rectangular rigid fiberglass) and fittings.
  Determine the optimal air flow based on the size of the unit/equipment and the duct.
Complying with EPA Laws and Regulations
  Identify regulations affecting ozone depletion and global warming.
  Identify the evacuation requirements for small appliances.
  Detect non-condensables, 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.
  Identify EPA recordkeeping requirements for refrigerant handling and disposal.
  Obtain the EPA Section 608 certification.
  (Optional) Obtain A2L training.
Exploring Emerging HVACR Technologies and Industry Considerations
  (Optional) Describe design choices for a proposed HVACR project that reflect an efficient use of energy.
  (Optional) Describe design choices for a proposed HVACR system that reflect an efficient use of water.
  (Optional) Describe design choices that can affect indoor air quality for proposed HVACR projects.
  (Optional) 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.
Exploring Various Refrigerants
  Identify different American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) refrigerant classifications.
  Describe various refrigerants.
  Describe the safety issues related to working with different systems and components.
Additional Course Information
  8504_Student Competency Record_Copyright 2025.xlsx
  8504 Printable Version with Standards Correlations
  Acknowledgments and Copyright Information