Content Outline and Competencies:

I. Career Opportunities

A. Identify career and apprentice opportunities in the HVAC trade.

B. Identify job outlook and expectations.

II. Regulations and Drawings

A. Describe the types of regulatory codes encountered in the HVAC trade.

B. Identify the types of schedules/drawings used in the HVAC trade.

C. Apply trade math principles.

III. Copper and Plastic Tubing

A. Select the right tubing for a job.

B. Cut and bend copper tubing.

C. Safely join tubing by using flare and compression fittings.

D. Identify types of plastic pipe and state their uses.

E. Cut and join lengths of plastic pipe.

F. Demonstrate soldering and brazing techniques.

IV. Heat Transfer

A. Explain how heat transfer principles occur in a cooling system, demonstrating an understanding of the terms and concepts used in the refrigeration cycle.

B. Apply the Laws of Thermodynamics.

V. Pressure and Temperature Relationship

A. State the basic safety requirements for pressure-testing a system.

B. Calculate the temperature and pressure relationships at key points in the refrigeration cycle.

C. Demonstrate the use of temperature- and pressure-measuring instruments to make readings at key points in the refrigeration cycle.

VI. Refrigerants

A. Identify commonly used refrigerants and demonstrate the proper procedures for handling these refrigerants.

B. Identify different color codes of the refrigerants.

VII. Major Components in the Refrigeration Cycle

A. Identify the major components of a cooling system and explain how each type works.

B. Install one or more of the following HVAC systems and their components: (1) Residential, (2) Commercial, and/or (3) Industrial.

VIII. Controls and Accessories

A. Identify the major accessories available for cooling systems and explain how each works.

B. Identify the control devices used in cooling systems and explain how each works.

IX. HVAC Systems

A. State the precautions that must be taken when installing refrigerant piping.

B. Determine the kinds of hangers and supports are needed for refrigerant piping.

X. Three R’s

A. Demonstrate refrigerant leak detection procedures.

B. Demonstrate refrigerant evacuation procedures.

C. Demonstrate refrigerant recovery procedures.

D. Demonstrate refrigerant charging procedures.

Content Outline and Competencies:

I. Safety and First Aid

A. State and demonstrate the safety precautions that must be followed when working on electrical equipment and circuits.

B. Discuss first aid procedures.

II. Ohm’s Law

A. Apply Ohm’s law to calculate the current, voltage, and resistance in a circuit.

B. Apply power formula to calculate how much power is consumed by a circuit.

C. Review math principles pertaining to basic algebraic equations.

III. Electrical distribution

A. State how electrical power is distributed.

B. State how AC and DC electricity are different.

IV. Circuits and Components

A. Describe how voltage, current, resistance and power are related.

B. Describe the difference between series and parallel circuits and calculate loads in each.

C. Construct parallel circuits.

D. Construct series circuits.

E. Construct combination parallel and series circuits.

F. Perform voltage, current and resistance measurements using electrical test equipment.

V. Electrical Diagrams and Symbols

A. Read and interpret common electrical symbols.

B. Identify common diagrams used in HVAC.

VI. Schematic Diagrams and Motors

A. Read and interpret electrical diagrams.

B. Describe the purpose and operation of the various electrical components used in HVAC equipment.

Content Outline and Competencies:

I. Energy Supplies and Systems
   A. Define energy.
   B. List the forms of energy.
   C. Explain energy conversion.
   D. List the types of resources.
   E. Explain energy mix.
   F. Forecast energy growth patterns.
   G. List the factors in an energy crisis.

II. Energy Consumption
   A. List the energy sectors within society.
   B. List the energy use percentages within each sector.
   C. Explain current growth patterns and trends.
   D. Describe some specific applications.
   E. Define common energy terminology.

III. Types of Energy
   A. Coal
      1. List several coal characteristics.
      2. List the three types of coal.
      3. List the availability and location of coal resources.
      4. Explain the economic and environmental problems with using coal.
      5. Explain coal gasification and liquefaction.
   B. Petroleum Energy
      1. List the availability and location of supplies of oil.
      2. Define oil exploration.
      3. Describe several methods of oil production.
      4. Describe the following types of oil transportation.
         a. Pipeline
         b. Water transportation
         c. Tank trucks and railroad cars
      5. Explain oil refining.
         a. Describe the characteristics.
         b. List several refining processes.
      6. List several oil products and their chemistry.
      7. Define oil shale.
   C. Natural Gas Resources
      1. Explain the characteristics of these types of gases:
         a. Natural gas
         b. Liquid petroleum gas
      2. Compare the heating value of LPG and natural gas.
      3. Describe the associated technology related to:
         a. Distribution and storage of natural gas
         b. Petrochemical industries
   D. Nuclear Energy
      1. Explain the basic chemistry of nuclear energy.
      2. Explain the nuclear fuel cycle, including:
         a. Mining
         b. Milling
         c. UF6 Production
         d. Enrichment
         e. Fuel fabrication
      3. List the types of reactors.
      4. Discuss nuclear waste in terms of:
         a. Characteristics
         b. Waste fuel
         c. Storage of waste.
         d. Volume of waste
         e. Nuclear waste cycle
   E. Hydroelectricity
      1. List the advantages of hydroelectric power.
      2. Discuss the present and future of large-scale hydroelectric
stations.
      3. Define pumped storage plants.
      4. Explain small-scale hydroelectric generation.
      5. List the environmental problems associated with dams and
reservoirs.
      6. Discuss the comparative regional potential.
   F. Ocean Energy Resources
      1. Explain tidal power.
      2. Define Ocean Thermal Energy Conversion (OTEC).
      3. Describe wave energy.
      4. Define ocean current power.
      5. Discuss salinity gradient power.
      6. Discuss ocean bioconversion.
   G. Geothermal Energy
      1. List the types and uses of geothermal energy.
      2. Discuss geothermal resources development.
      3. List environmental considerations.
      4. Describe the regional potential of this resource in the United
States.
   H. Biofuels
      1. Define gasohol.
      2. List the uncertainties concerning gasohol.
      3. Define biomass and energy farms.
      4. Explain how to get energy from waste.
      5. Discuss the regional advantages.
   I. Space Base Power
      1. List the sources of energy possible from space including:
         a. Nuclear
         b. Sunlight
         c. Microwave
         d. Artificial moons
         e. Fuel cells
   J. Wind Energy
      1. Describe using wind as a resource.
      2. Identify places where small wind machines would work.
      3. Describe large wind electrical systems.
      4. List the environmental and economic considerations.
      5. Describe regional advantages for wind power.
   K. Direct Solar Energy
      1. Explain solar collection.
      2. Describe solar heating systems.
      3. List the properties needed for solar storage systems.
      4. Describe solar cooling systems.
      5. Explain how solar photovoltaic systems work.

IV. Energy Conversion and Cogeneration
   A. Explain the concept of energy conversion.
   B. Define common energy converter terminology.
   C. List the chemical to thermal to mechanical converters.
   D. Explain the basic electrical principles.
   E. Explain how mechanical to electrical conversion-generators work.
   F. Explain how electrical to mechanical conversion-motors work.

V. Energy Storage
   A. Explain the concept of energy storage.
   B. Discuss battery storage technology.
   C. Discuss hydrogen storage technology.
   D. Discuss alternative storage technology.

VI. Energy Conservation
   A. Explain the objectives of energy conservation.
   B. Define energy conservation in the residential/commercial sector.
   C. Define energy conservation in the industrial sector.
   D. Define energy conservation in the transportation sector.

Content Outline and Competencies:

I. Types of Furnaces

A. Recognize the different fuel types used in various furnaces.

B. Identify different efficiencies of furnaces.

II. Carbon Monoxide

A. Identify carbon monoxide safety violations.

B. List causes related to carbon monoxide poisoning.

III. Heating System Fundamentals

A. List sequence of operation.

B. Measure temperature split.

C. Explain the design and function of heating systems.

D. Introduce airside and hydronic systems including various types of boilers, piping, chilled water and their components.

E. Interpret mechanical drawings, symbols and their application.

IV. Air Flow

A. Assess air flow/water flow.

B. Measurement and control of air temperature, humidity, pressure and velocity.

C. Apply trade math to daily applications.

V. Venting

A. Design and install venting for fossil fuel appliances.

B. Use a computer application to conduct and design flue sizing.

VI. Systems Commissioning

A. Perform start-up procedures.

B. Check gas pressure.

VII. Gas piping

A. Identify the types of ferrous metal pipes.

B. Measure the sizes of ferrous metal pipes.

C. Identify the common malleable iron fittings.

D. Cut, ream and thread ferrous metal pipe.

E. Join lengths of threaded pipe together and install fittings.

F. Describe the main points to consider when installing pipe runs.

G. Describe the methods used to join piping.

VIII. Troubleshooting

A. Inspect and perform standard seasonal maintenance and tune-up.

B. Check and adjust thermostat heat anticipators.

C. Maintenance and repairs of various HVAC systems.

D. Introduce troubleshooting of heating, cooling and heat pumps systems.

E. Introduce troubleshooting of control circuits, electronic controls and accessories.

F. Introduce troubleshooting of air quality and energy conservation equipment.

Content Outline and Competencies:

I. Exam Fundamentals

A. Identify cooling equipment components and basic refrigeration theory.

B. Identify EPA regulations.

C. Describe general safety procedures.

D. Describe the application of the EPA regulations regarding the following:

1. Core

2. Type I

3. Type II

4. Type III

II. Clean Air Act

A. Identify the legal handlings of refrigerants.

B. Describe the Clean Air Act and No Venting Law.

C. Explain ozone depletion and its consequences.

D. Identify substitute refrigerants and oils.

III. Reclaim, Recovery and Recycle (3 R’s)

A. List service procedures.

B. Describe refrigerant cylinder safety procedures.

C. Identify equipment service requirements. Recovery procedures and safety procedures for Type I technicians (small appliances), Type II technicians (high-pressure systems) and Type III technicians (low-pressure systems).

Content Outline and Competencies:

I. Safety Responsibilities

A. Describe regulations for R-410-A.

B. Use personal protective equipment (PPE) appropriately.

C. Demonstrate safe handling procedures for refrigerant.

D. Describe purpose and use of material safety data sheets (MSDS).

E. Identify appropriate lock out tag out (LOTO) procedures.

II. Basic Refrigeration Theory for R-410A

A.Describe fundamentals of use ofR-410-A

B.Use the pressure and temperature charts for R-410-A.

III. Clean Air Act

A. Use refrigeration color coded refrigerant cylinders.

B. Describe temperature glide.

C. Describe fractionation and its importance to refrigerants.

D. Describe various appropriate service tools.

E. Identify refrigerant recovery techniques.

IV. Reclaim, Recovery and Recycle

A. Describe the concepts involved in recycle, recovery, and reclaim refrigerant protocols.

B. Identify recovery equipment and containers.

V. Substitute Refrigerants and Oils

A. Describe use of polyester oils.

B. Describe use of mineral oils.

VI. R-410-A Applications and Methods

A. Identify sub-cooling and super-heating applications.

B. Describe R-410-A charging methods.

Content Outline and Competencies:

I. Sheet Metal Tools and Materials

A. Describe terms and definitions related to sheet metal fabrication and layout.

B. Discuss the sheet metal forming equipment and their applications.

II. Safety

A. Discuss terms and definitions used in the sheet metal industry.

B. Explain and identify accident causes in the sheet metal industry.

C. Describe safe working attire in the sheet metal industry.

D. Demonstrate safe use of tools and equipment.

III. Basic Math and Measuring

A. Discuss terms and definitions.

B. Calculate circumference and area of a circle.

C. Calculate area and perimeter.

D. Demonstrate architect's scale use in sheet metal.

E. Describe measuring tools.

IV. Sheet Metal Layout and Fabrication

A. Discuss terms and definitions.

B. Use various sheet metal equipment to build projects.

C. Use various sheet metal hand tools.

D. Layout and use the squaring metal shear to cut sheet metal.

E. Fasten sheet metal with a spot welder.

V. Sheet Metal Notching and the Use of Forming Machines

A. Fasten sheet metal together using the Snap-lock machine and the Pittsburg machine.

B. Fasten sheet metal together using appropriate methods consisting of the finger break, rolls, easy edger, drive turner and notching the sheet metal for the various joints.

C. Cut various lengths of “S” clips and build drives to connect the fittings together.

VI. Codes

A. Examine the Sheet Metal and Air Conditioning Contractors National Association (SMACNA) guidelines for sheet metal construction.

B. Examine the International Mechanical Code (IMC) for the standards used in the construction of sheet metal ductwork.

C. Examine the Air Conditioning Contractors of America (ACCA) Manual D to identify the concepts of airflow, static pressure, total pressure, total equivalent length (TEL) associated with each fitting used in the construction trade.

Content Outline and Competencies:

I. Seasonal Infiltration

A. Calculate U values for materials and systems.

B. Determine residential design procedures.

C. Compare different load calculation methods at American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) design conditions.

D. Determine the outdoor and indoor design temperatures.

E. Calculate the heating and cooling loads using the Manual J.

F. Determine the R and U-values for residential applications.

G. Use the 97 ½ % and 2 ½% ACCA guidelines for current design temperatures.

H. Determine the heat transmission gains for opaque surfaces.

I. Calculate the heat transmission multiplier (HTM) and solar gains for glass.

J. Analyze the overhangs, internal loads, infiltration loads and duct loss.

II. Psychrometrics

A. Discuss the history of psychrometrics.

B. Discuss dry bulb, wet bulb and relative humidity.

C. Calculate the sensible heat ratio.

D. Explain and identify how to use and apply psychrometric charts.

III. Heat Loss and Heat Gain

A. Determine the factors that are associated with heat loss and heat gain in a residence.

B. Use the energy conservation standards to determine the correct size of loads.

C. Demonstrate Manual J calculations using a written form.

D. Calculate the energy consumption and load requirements.

IV. Computer Applications and the ACCA Forms

A. Complete the ACCA residential forms for load calculations.

B. Apply math principles to calculate the requirements of a load calculation.

V. HVAC Equipment and Duct Sizing

A. List the factors that determine if the equipment is too large for residential applications.

B. Design the ductwork for residential applications.

C. Select residential duct design components.

D. Use the friction chart according to the Manual D.

E. Determine the fitting losses based upon the Manual D.

F. Calculate the branch take-off fittings.

G. Determine the room air distribution.

VI. HVAC Systems

A. Design and layout the location of the ductwork in a residential and commercial application.

B. Use the ACCA duct sizing calculator, determine the size of the duct needed to supply the required amount of air for residential and commercial applications.

C. Calculate the required cubic feet per minute (CFM) needed for each room in a residential and commercial application.

VII. Equipment Selection

A. Select cooling equipment based upon the design.

B. Calculate the sensible and latent load.

C. Choose equipment based upon the manufactures performance data.

D. Select heat pumps based upon design temperatures.

E. Choose a furnace and an “A” coil based upon the manufactures performance data.

F. Analyze current manufacturer’s performance data.

Content Outline and Competencies:

I. Psychrometric Chart

A. Use the psychrometric chart to plot and calculate the following:

1. Total heat

2. Humidity ratio

3. Enthalpy

4. Sensible heat ratio

5. Air conditioning process

B. Use the psychrometric chart to solve the following problems:

1.  Mixed air temperature problems

2.  Leaking RA (return air) ducts

3.  Total air flow

4.  Total A/C load

C. Define refrigeration as applied to air conditioning.

1. Explain the refrigeration cycle typical for comfort cooling.

2. Explain how the functions of the evaporator affect comfort.

II. Air Conditioning Systems Operations and Components

A. List the components and controls in a typical air conditioning system.

B. Identify the controls for compressors and fans.

C. List the functions and operating characteristics of low-voltage control systems.

D. List the components and controls in a typical air conditioning system.

III. Installation and Service Techniques

A. Explain the purpose of evacuation and dryers.

1. Describe how air and moisture gets into a system.

2. List the triple evacuation procedures.

3. Perform a triple evacuation.

B. Assemble copper tubing by brazing and leaks testing the joints.

C. List the testing methods to determine leaks.

D. Describe the materials used in brazing, advantages and disadvantages.

E. Describe the methods of cleaning joints.

F. Find leaks using the three leak detection methods.

IV. Air Flow in the Cooling Systems

A. Figure percentage of air re-circulation.

B. Interpret fan curves from the manufacturer’s charts.

C. Use the pitot tube to measure and calculate the following.

1. Static pressure

2. Velocity pressure

3. Total pressure

V. Customer Service Skills

A. Describe proper customer service skills.

B. Practice skills with the external customer.

C. Practices skills with the internal customer.

D.Demonstrate proper protocol to deal with problematic customers.

VI. Efficiency of Air Conditioners and Heat Pumps

A. List purpose, function and characteristics of the following:

1. Evaporator

2. Compressor

3. Metering device

4. Condenser

5. Heat pump

B. Identify 13 SEER equipment and above.

VII. Apply the Manual J, Manual H, and the Manual N

A. Apply Manual J to sample residential systems.

B. Apply Manual N to sample commercial systems.

C. Apply Manual H to sample heat pump systems.

VIII. Cooling Systems Fault Analysis

A. Analyze electrical faults in cooling systems.

B. Analyze mechanical faults in cooling systems.

C. Attach and use a gage manifold set.

D. Determine appropriate use of the gage manifold set.

E. Interpret low-side gage readings.

F. Interpret high-side gage readings.

G. Interpret Delta-T temperature readings.

H. Diagnose compressor problems.

I. Troubleshoot the circuit electrical protectors – fuses and circuit breakers.

J. Diagnose and replace faulty parts.

Content Outline and Competencies:

I. Soft Skills and HVAC Tools of the Trade

A. Identify personal ethics and communication skills needed in the HVAC trade.

B. Interpersonal relationships between employers and home owners.

C. Demonstrate knowledge of test instruments and refrigeration equipment.

D. Describe the operation of refrigeration materials and equipment.

II. Safety Requirements

A. Describe the safety regulations concerning personal protective equipment (PPE).

B. Understanding precautions when working in confined areas.

C. Understanding precautions when working with electrical components.

D. Describe the level of proficiency when working with hazardous materials, construction safety and fire hazards.

III. Electrical Fundamentals

A. Identify key terms and definitions in the HVAC trade.

B. Knowledge of various electrical circuits used in the HVAC trade.

C. Knowledge of various electrical components used in the HVAC trade.

IV. Gas Heating Fundamentals

A. Describe various troubleshooting methods.

B. Apply troubleshooting methods to HVAC equipment.

C. Apply venting and combustion analysis to HVAC equipment.

D. Knowledge of furnace installation practices.

V. Air Conditioning and Heat Pump Fundamentals

A. Describe various air conditioning and heat pump service procedures.

B. Describe HVAC systems selection as associated with human comfort.

C. Knowledge of air conditioning and heat pump installation practices.

VI. Diagnostic and Repairing of HVAC Systems

A. Understand simple and complex electrical diagrams used in the HVAC trade.

B. Troubleshoot electrical circuits.

C. Use electrical test instruments.

D. Troubleshoot HVAC components

VII. Installation Practices of HVAC Systems

A. Understand current installation practices.

B. Apply the manufacturer's performance data information to the installation practices.

C. Demonstrate proper installation procedures.

D. Demonstrate proper venting and piping procedures.

E. Apply the electrical skills as related to the installation practices.

Content Outline and Competencies:

I. Explain the Basic Principles of Operation of the Following Types of Rooftop Units.

A. Gas heating units

B. Electric heating units

C. Electric cooling units

D. Combination gas/electric all season units

E. Single zone vs multizone

F. Horizontal discharge/down discharge

G. Draw through vs blow through type units

II. Identify the functions and operational characteristics of the following components of gas heating units.

A. Combustion blower motors

B. Ignition controls - sequence of operation

C. Limit controls

D. Combustion air adjusters

E. Safeties

III. Identify the Functions and Operational Characteristics of the Following Components of Electric Heating Units.

A. Electric heat elements

B. Sequencers

C. Limit controls

D. Safeties

IV. Identify the Functions and Operational Characteristics of the Following Components of Electric Cooling Units.

A. Starting relays and capacitors

B. Outdoor fan motors

C. Compressors

D. Limit controls

E. Economizers

F. Safeties

V. Identify the Functions and Operational Characteristics of the Following Components of Economizers.

A. Temperature sensing

B. Enthalpy controls

C. Minimum outside air requirements

D. Damper linkages/adjustments

E. Damper motors

F. Fresh air intakes

VI. List the Installation Cautions and Procedures for Roof-curbs and Adapter Curbs.

A. Install insulation.

B. Install cant strips.

C. Install filler panels.

D. Install nailer strips.

VII. List the Installation Cautions and Procedures for Concentric Duct Package Units.

A. Calculate the sizing required.

B. Describe the register types and air velocity design parameters.

VIII. Identify the Functions and Operational Characteristics of a Typical DDC controlled system.

A. Components

B. Wiring

C. Sensors

D. Communication links

E. Zone controls/dampers

F. Disconnect and reconnect to operating condition all the communication and control wiring for a typical DDC controlled system.

IX. Discuss the Following Design Considerations.

A. Roof support

B. Weight distribution

X. Startup, Checkout and Adjustment of Rooftop Units

A. List general safety procedures.

B. Discuss the startup check sheet provided by the manufacturer.

C. Exercise: Follow a startup procedure provided by the manufacturer.

D. Calculate a performance check.

E. Calculate the net cooling capacity.

F. Exercise: Calculate and measure the air flow in a system.

G. Exercise: Calculate and measure the air flow in a system using the auxiliary heat method.

H. Exercise: Calculate and measure the Air conditioners gross capacity.

XI. Troubleshooting the Mechanical Side of a Rooftop System.

A. List the general refrigeration side problems.

B. Solve air system problems, high and low.

C. Solve specific rooftop refrigeration system problems on an operating rooftop system.

D. Test a heat exchanger for leaks.

E. Exercise: Disassemble and reassemble to operating condition two different rooftop units.

XII. Troubleshooting the Electrical Side of a Rooftop System.

A. List the general electrical side problems.

B. Find and repair faults to the following components in an operating rooftop unit.

1. Combustion blower motors

2. Ignition controls

3. Draft proving check sheets

4. Limit controls

5. Combustion air

6. Electric heat elements

7. Sequencers

8. Safetys

9. Economizers

10. T-stats

11. Miswiring

12. Compressors

13. Starting components

14. Outdoor fan motors

Content Outline and Competencies:

I. Electrical Wiring

A. Install low voltage wiring to an HVAC system.

B. Install a new double pole breaker.

C. Install an electrical disconnect.

D. Install seal-tight from an outside electrical disconnect to a condensing unit.

E. Install a 120 volt circuit to a furnace complete with a proper ground.

F. Install a 240 volt circuit to an air conditioner with a proper ground.

II. Vent Piping

A. Identify the various materials used in vent piping systems.

B. Identify current venting tables and size vent connectors and vents.

C. List the proper clearances and support hanger requirements for vent piping systems.

D. Install single wall vent connectors from multiple appliances to a chimney.

E. Install Type “B” double wall vent pipe from gas appliance to exterior cap.

F. Install PVC exhaust and intake piping for a condensing furnace with proper pitch.

III. Sheet Metal and Ductwork

A. Identify proper sheet metal gauge size.

B. Measure and properly complete the sheet metal fabrication order form.

C. Install a high sidewall supply air stack.

D. Install return air panning and headers.

E. Demonstrate how to seal a duct system.

F. Calculate a duct to proper length, form edges for drives and assemble duct on the job site.

G. Use fasteners to connect ductwork to mechanical equipment.

IV. Permits and Job Commissioning

A. Complete a job installation and commissioning.

B. Create a Quality Report.

C. Explain how to obtain a permit for a job.

D. Describe the importance of a commissioning  inspection.

V. Carbon Monoxide

A. Explain how carbon monoxide is generated and dispersed.

B. Diagnose carbon monoxide presence and conduct a precautionary test.

C. Identify health effects of carbon monoxide.

VI. Safety Procedures

A. Demonstrate how to use a torch set.

B. Demonstrate how to use fire protection around combustible materials.

C. Describe the use of a fire extinguisher.

D. Demonstrate tying off an extension ladder.

VII. Gas Piping

A. Identify the various gas piping materials.

B. Identify the various gas piping tools.

C. Measure and calculate a piping system.

D. Check gas pressure with a manometer.

E. Clock a gas meter to determine a gas appliance firing rate.

F. Demonstrate cutting and threading gas pipe.

G. Demonstrate proper hangers and spacing requirements for horizontal and vertical gas piping systems.

Content Outline and Competencies:

I. IMC Use

A. Demonstrate application of the code book.

B. Identify the subgroups in the code book.

II. IMC Administration

A. Explain the role of the administration of the code.

B. Understand the terms associated with the code.

III. Other Code Books

A. Understand the regulations concerning the various code books.

B. Differentiate current code requirements from past code regulations.

C. Identify how to find important information concerning the code.

D. Summarize the code use in various cities, counties and states.

IV. License Requirements

A. Determine testing requirements for a candidate in various jurisdictions.

B. Identify the responsibility of the test-taker.

V. Psychrometric Charts

A. Identify the exact location of the five points used in psychrometrics as it applies to HVAC.

B. Determine the amount of latent heat and sensible heat in the air at specific points.

C. Calculate the difference in enthalpy, relative humidity, dry bulb, wet bulb, grains of moisture, humidity ratio and the dew point.

VI. OSHA Requirements

A. Interpret the OSHA regulations.

B. Apply the OSHA regulations to the HVAC industry.

C. Identify OSHA requirements that impact HVAC industry.

Content Outline and Competencies:

I. Electrical Fundamentals

A. Define and read a schematic diagram.

B. Discuss and apply the operation of an electrical circuit by interpreting a schematic diagram.

C. Develop wiring diagrams from various schematics.

D. Identify circuit components on a schematic diagram.

E. Analyze schematic diagrams to determine how the circuits function.

F. Recognize electrical components from the symbols on the diagrams.

II. Furnace Schematic Wiring Diagrams

A. Discuss the function of a gas control furnace.

B. Discuss the various ignition control modules used in the heating application.

C. Discuss the operation of the main control gas valve.

D. Explain and identify how the gas valve and the roll out switches are interconnected.

E. Demonstrate how to wire up the various types of furnaces.

F. Troubleshoot electrical problems associated with residential furnaces.

III. Air Conditioning Schematic Wiring Diagrams

A. Identify the air conditioning components on a schematic diagram.

B. Discuss the function of an air conditioner thermostat.

C. Discuss the sequence of operation of the air conditioner.

D. Demonstrate how to wire up an air conditioner.

E. Demonstrate how to use a voltmeter on the electrical circuits to determine where potential problems are located and how to repair those problems.

IV. Heat Pump Schematic Wiring Diagrams

A. Identify the heat pump components on a schematic diagram.

B. Discuss the function of a heat pump thermostat.

C. Discuss the operation of a sequence timer used in a heat pump application.

D. Describe the operation of the defrost thermostat and timer.

E. Demonstrate how to wire up a heat pump for summer and winter applications.

F. Troubleshoot electrical problems on a heat pump.

V. Wiring Diagrams

A. List the factors that determine the synchronous field speed of an alternate current (AC) motor.

B. Discuss the operation of multi-speed fan motors.

C. Connect a multi-speed fan motor for operation at different speeds.

D. Perform an ohmmeter test on motors.

E. Explain why motors should be protected from an overload condition.

F. List and identify the different types of overload protectors.

G. Discuss the voltage and current relationship in a transformer.

VI. Electrical Diagrams for HVAC Equipment

A. Describe the differences between a contactor and a motor starter.

B. Discuss the operation of relays and contactors.

C. Describe the internal devices used for a relay intended to control a direct circuit (DC) and an AC load.

D. Determine the values of voltage, current, resistance, and turns of wire using transformer formulas and Ohm’s Law.

VII. Low and High Voltage

A. Describe how low voltage is used in the HVAC systems.

B. Describe how high voltage is used in the HVAC systems.

C. Interpret the schematic wiring diagrams to determine the correct values associated with low and high voltage.

D. Construct the low and high voltage used in the schematic wiring diagrams.

E. Use a voltmeter determine the correct voltage applied to the components.

F. Integrate relays, contactors and starters into the schematics.

Content Outline and Competencies:

I. Work Environment in the HVAC Field

A. Obtain a position with a HVAC employer.

B. List all objectives and situations that arise from the internship position.

C. Describe daily activities during the internship.

II. Secure an Approved Training Position

A. Write a letter of inquiry.

B. Write a resume.

C. Complete a job application.

D. Describe a job interview.

III. Maintain Accurate Records of Job Activities

A. Record all significant activities.

B. Create a detailed list of employer expectations regarding the position.

IV. Professionalism in the workplace

A. Define labor relations.

B. Explain human relations.

C. Examine job performance.

V. Demonstrate the ability to work with others.

A. Describe how to work with supervisors.

B. Describe how to work with other employees.

C. Describe how to work with customers.