Louisiana Administrative Code
Title 28 - EDUCATION
Part CXXVII - Bulletin 122-Trade and Industrial Education Curricula
Chapter 7 - Heating, Ventilation and Air Conditioning Competencies/Objectives
Section CXXVII-707 - Level Four

Universal Citation: LA Admin Code CXXVII-707

Current through Register Vol. 50, No. 9, September 20, 2024

A. Module 03401-03. Construction Drawings and Specifications

1. Read blueprints and architect's plans.

2. Compare mechanical plans with the actual installation of duct run fittings and sections.

3. Interpret specification documents and apply them to the plans.

4. Interpret shop drawings and apply them to the plans and specifications.

5. Develop cut lists for duct runs as shown on shop drawings and develop elevations of installations.

6. Describe a submittal, its derivation, routing, and makeup.

7. Develop a field set of as-built drawings.

8. Identify the steps required for transferring design information to component production.

9. Identify, develop, and complete takeoff sheets.

10. List and classify materials most commonly used in HVAC systems.

11. Complete takeoff procedures for HVAC systems.

B. Module 03402-03. Indoor Air Quality

1. Explain the need for good indoor air quality.

2. Recognize the symptoms of poor indoor air quality.

3. Perform an inspection/evaluation of a building's structure and equipment for potential causes of poor indoor air quality.

4. Identify the causes and corrective actions used to remedy the more common indoor air problems.

5. Recognize the HVAC equipment and accessories that are used to sense, control, and/or enhance indoor air quality.

6. Use selected test instruments to measure or monitor the quality of indoor air.

7. Demonstrate and/or describe the general procedures used to clean HVAC air system ductwork and components.

C. Module 03403-03. Energy Conservation Equipment

1. Recognize selected air-to-air heat exchangers and describe how they operate.

2. Recognize selected condenser heat recovery systems and explain how they operate.

3. Recognize a coil energy recovery loop and explain how it operates.

4. Recognize a heat pipe heat exchanger and explain how it operates.

5. Recognize thermosiphon heat exchangers and explain how they operate.

6. Recognize a twin tower enthalpy recovery loop system and explain how it operates.

7. Recognize airside and waterside economizers and explain how each type operates.

8. Recognize selected steam system heat recovery systems and explain how they operate.

9. Recognize an ice bank-type off-peak hours energy reduction system.

10. Demonstrate and/or describe how to operate selected energy conversion equipment.

D. Module 03404-03. Building Management Systems

1. Define a building management system.

2. Explain the operation of a basic direct digital controller.

3. Demonstrate familiarity with the terms commonly used in discussing control loops and building management systems.

4. Identify the major components of a building management system and describe how they fit together.

5. Recognize the type of information available on a typical front-end computer screen for a building management system.

6. Describe the typical steps required to install a building management system.

7. Understand how to install typical sensors, actuators, power wiring, and communication wiring.

8. Recognize what programming a building management system entails.

E. Module 03405-03. Water Treatment

1. Explain the reasons why water treatment programs are needed.

2. Recognize symptoms in heating/cooling systems that indicate a water problem exists.

3. Describe the types of problems and related remedies associated with water problems that can occur in the different types of water and steam systems.

4. Recognize and perform general maintenance on selected mechanical types of HVAC equipment that are used to control and/or enhance water quality.

5. Use commercial water test kits to test water quality in selected water/steam systems.

6. Perform an inspection/evaluation of a cooling tower or evaporative condenser to identify potential causes and/or existing conditions that indicate water problems.

7. Demonstrate and/or describe the general procedures used to clean open recirculating water systems and related cooling towers.

8. Demonstrate and/or describe the general procedures used to inspect, blowdown, and clean steam boilers.

F. Module 03406-03. System Startup and Shutdown

1. Demonstrate and/or describe how to prepare a boiler for dry storage.

2. Demonstrate and/or describe how to prepare a boiler for wet storage.

3. Demonstrate and/or describe how to clean, start up, and shut down a steam boiler.

4. Demonstrate and/or describe how to clean, start up, and shut down a hot-water boiler.

5. Demonstrate and/or describe how to start up and shut down a reciprocating liquid chiller and related water system.

6. Demonstrate and/or describe how to start up and shut down a selected centrifugal or screw liquid chiller and related water system.

7. Demonstrate and/or describe how to start up and shut down an air handler and related forced-air distribution system.

8. Demonstrate and/or describe how to test compressor oil for acid contamination.

9. Demonstrate and/or describe how to add or remove oil from a semi-hermetic or open reciprocating compressor.

10. Demonstrate and/or describe how to inspect and clean shell and tube condensers/evaporators and other water-type heat exchangers.

G. Module 03407-03. Heating and Cooling System Design

1. Identify and describe the steps in the system design process.

2. From blueprints or an actual job site, obtain information needed to complete heating and cooling load estimates.

3. Identify the factors that affect heat gains and losses to a building and describe how these factors influence the design process.

4. With instructor supervision, complete a load estimate to determine the heating and/or cooling load of a building.

5. State the principles that affect the selection of equipment to satisfy the calculated heating and/or cooling load.

6. With instructor supervision, select heating and/or cooling equipment using manufacturers' product data.

7. Recognize the various types of duct systems and explain why and where each type is used.

8. Demonstrate the effect of fittings and transitions on duct system design.

9. Explain the use and installation of diffusers, registers, and grilles used in duct systems.

10. Demonstrate the use of a friction loss chart to size round duct.

11. Demonstrate the use of duct sizing tables to size rectangular duct.

12. Explain or demonstrate the use and installation of insulation and vapor barriers used in duct systems.

13. Apply proper design principles to the selection and installation of refrigerant and condensate piping.

14. Estimate the electrical load for a building and calculate the effect of the comfort system on the electrical load.

H. Module 03408-03. Commercial and Industrial Refrigeration

1. Recognize the different types of refrigerated coolers and display cases. For each type, give its common application.

2. Compare the basic components used in commercial/industrial refrigeration systems with those used in comfort air conditioning systems.

3. Recognize single, multiple, and satellite compressor systems. Describe the applications, installation considerations, and advantages and disadvantages of each type.

4. Recognize packaged condensing units and unit coolers. Describe their applications, operation, and installation considerations.

5. Recognize two-stage compressors. Explain their operation and applications.

6. Recognize the various accessories used in commercial refrigeration systems. Explain why each is used and where it should be installed in the system.

7. Recognize the various refrigeration control devices. Explain the purpose of each type and how it works.

8. Describe the various methods used to defrost evaporators.

9. Recognize ice cube and ice flake making machines. Describe their operation and installation considerations.

10. Describe the characteristics and properties of the refrigerants and oils being used to replace CFC refrigerants and mineral oils in existing systems.

11. Demonstrate or describe the general procedure for retrofitting a CFC refrigeration system to use an HCFC or HFC refrigerant.

12. Recognize basic ammonia refrigeration systems. Compare the components used in ammonia systems with those used in halocarbon-based refrigerant systems.

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

Disclaimer: These regulations may not be the most recent version. Louisiana may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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