10462332Heating and Air Conditioning 2
Course Information
Description
Advanced environmental equipment installation and maintenance course which puts theory into practice including boiler competencies.
Total Credits
3
Course Competencies
  1. Interpret ladder and label/line electric schematic drawings
    Assessment Strategies
    by submitting completed homework
    on a written evaluation
    in lab performance
    Criteria
    you explore the circuit characteristics of alternating current (AC) circuits
    you explore the circuit characteristics of direct current (DC) circuits
    you identify basic electric symbols
    you identify basic devices
    you identify motor types and their applications
    you interpret electrical schematic diagrams
    you wire current, potential and solid state relay motor starting relay circuits
    you calculate ampacity of circuit wire
    you determine circuit protection safety disconnects and their application
    you interpret the National Electric Code as it affects the heating and air conditioning industry
    you perform load analysis
    you wire controls and motors
    you troubleshoot electrical circuits using Ohms Law

  2. Connect basic automatic controls
    Assessment Strategies
    by submitting completed homework
    on a written evaluation
    in lab performance
    Criteria
    homework includes the identification of the various types automatic controls
    homework includes an explanation of how each automatic control functions
    you distinguish between conductors and insulators
    you differentiate between bellows and diaphragm operational controls
    you make safe and accurate electrical measurements on control devices
    you use different types of fuses and control wiring safely
    you troubleshoot basic controls and circuits
    you differentiate between low and high voltage controls
    you wire space temperature controls

  3. Troubleshoot electric motors
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you identify various types of electric motors in single and three phase
    you explore the application of motors in HVAC/R
    you use various methods of motor starting
    you troubleshoot motor starters

  4. Troubleshoot and repair commercial refrigeration
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you summarize the different applications of refrigeration equipment
    you troubleshoot basic refrigeration problems
    you identify specialized refrigeration systems
    you install solenoids and space temperature controls in walk-in coolers and freezers
    you install water cooled condensers for refrigeration
    you repair basic refrigeration problems if necessary
    you control chilled water systems used in commercial air conditioning

  5. Troubleshoot and repair air conditioning (heating and humidification)
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you demonstrate safe working practices for working with fossil fuel heating equipment
    you summarize safety features of fossil fuel heating equipment
    you operate hydronic and steam heating systems
    you differentiate between the different methods of heating
    you diagnose "Sick Building Syndrome"
    you use various humidification equipment
    you determine comfort

  6. Troubleshoot and repair air conditioning (cooling)
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you determine necessary changes in system balancing
    you distinguish between the four factors involved in comfort
    you use psychometrics for calculations in HVAC/R
    you explain the effect of rapid moving air in refrigeration
    you distinguish between package air conditioning equipment
    you differentiate between mechanical and electrical troubleshooting problems
    you calculate operating pressures for air conditioning equipment without manifold gauge sets
    you use meters to troubleshoot complex HVAC/R systems
    you repair an HVAC/R system, if necessary

  7. Troubleshoot and repair air distribution and balance
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you distinguish between the various air distribution systems
    you take basic air-pressure measurements using velocity meters
    you measure air quantities using bolometer
    you differentiate between types of duct system installations
    you recognize good air filtration devices for duct systems
    you install duct systems
    you troubleshoot air distribution and balance systems
    you repair air distribution and balance systems, if necessary

  8. Troubleshoot and repair all-weather systems
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you explore ways to condition air
    you explain year-round air conditioning
    you explain how to vary air-flow between hearing and cooling systems
    you troubleshoot all-weather systems
    you repair all-weather systems, if necessary

  9. Troubleshoot and repair high and low pressure boilers
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you identify the basic components of low and high pressure boilers
    you examine the operation of the boiler controls
    you determine why boiler water treatment is necessary
    you determine the regulations that affect the operating environment of a boiler
    you identify boiler types and configurations (steam and hydronic)
    you repair steam boiler operational components
    you repair hydronic boiler operational components
    you repair a steam trap