La. Admin. Code tit. 28 § CXXVII-701

Current through Register Vol. 50, No. 11, November 20, 2024

Section CXXVII-701 - Level One

A. Module 03101-01. Introduction to Heating, Ventilation and Air Conditioning (HVAC)

1. Explain the basic principles of heating, ventilation, and air conditioning.

2. Identify career opportunities available to people in the HVAC trade.

3. Explain the purpose and objectives of an apprentice training program.

4. Describe how certified apprentice training can start in high school.

5. Describe what the Clean Air Act means to the HVAC trade.

B. Module 03102-01. Trade Mathematics

1. Identify similar units of measurement in both the inch-pound (English) and metric systems and know which units are larger.

2. Convert measured values in the inch-pound system to equivalent metric values and vice versa.

3. Express numbers as powers of 10.

4. Determine the powers and roots of numbers.

5. Solve basic algebraic equations.

6. Recognize various geometric figures.

7. Use the Pythagorean theorem to make calculations involving right triangles.

8. Convert decimal feet to feet and inches and vice versa.

C. Module 03103-01. Tools of the Trade

1. Identify and state the use of the following tools:

a. pipe wrenches;

b. torque wrenches;

c. tinner's and soft-faced hammers;

d. hand cutting snips;

e. hand and power hacksaws;

f. drill press;

g. measuring tools.

2. Describe the general procedures for maintenance of most hand and power tools.

3. Describe or demonstrate the general safety precautions that must be followed when using most hand and power tools.

D. Module 03104-01. Copper and Plastic Piping Practices

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

2. Select the right tubing for a job.

3. Cut and bend tubing.

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

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

6. State the basic requirements for pressure-testing a system once it has been installed.

E. Module 03105-01. Soldering and Brazing

1. Assemble and operate the tools used for soldering.

2. Prepare tubing and fittings for soldering.

3. Identify the purposes and uses of solder and solder fluxes.

4. Solder copper tubing and fittings.

5. Assemble and operate the tools used for brazing.

6. Prepare tubing and fittings for brazing.

7. Identify the purposes and uses of filler metals and fluxes used for brazing.

8. Braze copper tubing and fittings.

9. Identify the inert gases that can safely be used to purge tubing when brazing.

F. Module 03106-01. Ferrous Metal Piping Practices

1. Identify the types of ferrous metal pipes.

2. Measure the sizes of ferrous metal pipes.

3. Identify the common malleable iron fittings.

4. Cut, ream, and thread ferrous metal pipe.

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

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

7. Describe the method used to join grooved piping.

G. Module 03107-01. Basic Electricity

1. State how electrical power is generated and distributed.

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

3. Use Ohm's law to calculate the current, voltage, and resistance in a circuit.

4. Use the power formula to calculate how much power is consumed by a circuit.

5. Describe the differences between series and parallel circuits.

6. Recognize and describe the purpose and operation of the various electrical components used in HVAC equipment.

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

8. Make voltage, current, and resistance measurements using electrical test equipment.

H. Module 03108-01. Introduction to Cooling

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

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

3. Under supervision, use temperature- and pressure-measuring instruments to make readings at key points in the refrigeration cycle.

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

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

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

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

8. State the correct methods to be used when piping a refrigeration system.

I. Module 03109-01. Introduction to Heating

1. Explain the three methods by which heat is transferred and give an example of each.

2. Describe how combustion occurs and identify the by-products of combustion.

3. Identify the various types of fuels used in heating.

4. Identify the major components and accessories of a forced-air furnace and explain the function of each component.

5. State the factors that must be considered when installing a furnace.

6. Identify the major components of a gas furnace and describe how each works.

7. With supervision, use a manometer to measure and adjust manifold pressure on a gas furnace.

8. Identify the major components of an oil furnace and describe how each works.

9. Describe how an electric furnace works.

10. With supervision, perform basic furnace preventive maintenance procedures such as cleaning and filter replacement.

La. Admin. Code tit. 28, § CXXVII-701

Promulgated by the Board of Elementary and Secondary Education, LR 32:1213 (July 2006).

AUTHORITY NOTE: Promulgated in accordance with R.S. 17:6(A)(10).