| Originator: | Pohlman, Darrell Status: Approved Department: HVA Heating, Ventilation, &Air Conditioning |
| Date Created: | 01/08/2018 Submitted: 01/12/2018 Completed: 02/27/2018 |
| Effective Semester: | Fall |
| Catalog Year: | 2018-19 |
| Course Prefix: | HVA |
| Course Number: | 100 |
| Course Full Title: | Introduction to HVAC |
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| Reason for Evaluation: | New Course Competency Based Education |
| Current Credit: | 4 |
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| If the credit hour change box has been marked, please provide the new credit hour: | |
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| SUN Course?: | No |
| AGEC Course?: | No |
| Articulated?: | No |
| Transfer: | Non Applicable |
| Prerequisite(s): | Appropriate score on placement exam or completion of PCS 021 with an 'S' and permission of Instructor or Associate Dean |
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| Catalog Course Description: | This course provides students with OSHA 10 safety training, the fundamental theories behind HVAC systems, an overview of HVAC system parts and their functions, and basic brazing and tool skills needed for installation and repair. |
| Course Learning Outcomes: | 1. Apply OSHA safety standards to the HVAC work environment (2,3,5)
2. Apply basic theory as it relates to HVAC and electrical (2,3,5,6) 3. Associate the parts of an HVAC system with their function (3,5,6) 4. Apply the use of tools as related to HVAC (3,5,6) |
| Course Competencies: | 1. Relate the role and purpose of OSHA.
2. Identify elevated work and fall protection guidelines. 3. Detect hazards of moving equipment. 4. Detect caught-in and between hazards. 5. Identify energy-related hazards. 6. Identify Personal Protective Equipment (PPE) by its intended use. 7. Identify health hazards in construction associated with brazing and electrical work. 8. Identify stairways and ladder hazards. 9. Identify tools-hand and power hazards. 10. Define density, pressure, and temperature related to Boyle's law, Charles law, and Dalton's law. 11. Relate sensible heat, latent heat, and specific heat, and methods of heat transfer. 12. Illustrate the states of matter and the effect of matter temperature during a change from one matter state to another. 13. Summarize the purpose, types, and safe handling procedures refrigerants used in AC and refrigeration. 14. Demonstrate circuits and the fundamental equations that describe circuits. 15. Demonstrate the use of HVAC instruments and tools common to the industry. 16. Perform basic brazing techniques on pipes of common and uncommon materials to industry standards. |
| Course Outline: | I. Role and purpose of OSHA
a. Incidents by type b. Cost of accidents c. Common causes of accidents d. Hazard recognition, hazard Communication (HAZCOM) standard e. Hazard control f. Safety Data Sheets (SDS) g. Worker' rights h. Material handling, safety planning, and emergency action plans II. Elevated work and fall protection guidelines a. Fall hazards b. Equipment and methods used in fall prevention and fall arrest c. Ladders and stairs safety procedures d. Scaffolding III. Hazards of moving equipment a. Struck-by hazards b. Avoidance struck-by hazards IV. Caught-in and between hazards a. Types and factors leading to caught-in-between hazards b. Precautions for caught-between hazards V. Energy-related hazards a. Job-site electrical safety guidelines b. Lockout/tag-out procedures c. Electrical grounding d. GFCI purpose and how it works VI. Personal Protective Equipment (PPE) by its intended use a. Head protection equipment and use b. Eye and face protection equipment and use c. Foot and leg protection equipment and use d. Respirator equipment and use including air-purifying supplied air e. Electrician and lineman personal protective equipment and use VII. Health hazards in construction and HVAC a. Exposure hazards b. Environmental hazards c. Hot work hazards d. Fire hazards e. Firefighting procedures for particular hazards f. Confined spaces and safety practices g. Area safety VIII. Stairways and ladder hazards a. OSHA ladder rules and ladder safety practices b. OSHA stairway rules and stairway safety practices IX. Tools - hand and power hazards a. Tools commonly used at construction worksites b. Types of hazards associated with the use of tools c. Guarding requirements for various types of tools i. Techniques ii. Principles d. Safe operation methods while working with various types of tools e. Employer requirements to protect workers from tool hazards X. Laws of physics related to HVAC operation a. Theories related to AC i. Boyle's Law, Charle's Law, Dalton's Law b. Means of heat transfer i. Sensible heat, latent heat, and specific heat ii. Heat flow between substances of different temperatures iii. Transfer of heat by conduction, convection, and radiation iv. Heat transfer into a structure c. Energy forms i. Forms of energy important to the HVAC and refrigeration industry ii. States of matter iii. Standard units related to HVAC .a Fahrenheit, Celsius, BTU b. Conversions between fahrenheit and celsius scales c. British thermal unit (BTU) d. BTU application in refrigeration systems iv. Horsepower, watts, amps a. Concept of work, formula used to determine the amount of work in a given task b. Horsepower application in refrigeration systems c. Converting horsepower to watts d. Conversion of watts to British thermal units (BTUs) v. Density, pressures, temperatures a. Atmospheric pressure and effects of elevation on atm b. Pounds per square in gage (PSIG) and pounds per square inch absolute (PSIA) as they apply to refrigerant pressure gages XII. Liquids and gases (refrigerants) used in refrigeration a. Gases i. Gases and liquids produce heat transfer ii. Gas selection iii. Qualities of gases that aid heat transfer iv. Types of gases v. Safe handling procedures vi. Suitable substitutions b. Liquids i. Oil purpose in system ii. Oil safe handling iii. Types of oils in system XIII. Heating, ventilation systems, and air-conditioning overview a. Refrigeration and air-conditioning i. Introduction to super heat and sub-cooling ii. List and describe the different system fluids iii. Heat transfer materials/coils b. Heating i. Gas ii. Electric/heat pump iii. Ventilation c. HVAC systems, cycles, and components i. Identification and function of the evaporator in the HVAC system ii. Identification and function of the condenser in the HVAC system iii. Identification and function of metering devices in the HVAC system iv. Basic refrigeration cycle v. Heat extraction capacity, ton of refrigeration vi. Efficiency ratings XIV. Circuits and the fundamental equations that describe circuits a. Basic Electrical Theory b. Voltage, current, resistance, and power c. Ohm's law to calculate current, voltage, and resistance within a circuit d. power formula for power consumption e. Types of circuits i. Parallel and series ii. Load calculations f. Line voltage circuitry and equipment i. Breaker panels ii. Disconnects/fuses iii. Power passing devices g. Control of Voltage and Voltage control equipment i. Transformers ii. Power consuming devices iii. Power passing and consuming devices XV. HVAC instruments and tools a. Meters and gauges i. Test and calibrate manifold set ii. Test and calibrate a basic thermometers at the low and high-temperature ranges iii. Test and calibrate volt/ohm meters and leads b. Basic hand tools needed for HVAC repair including but not limited to i. Screwdrivers of all types ii. Nut drivers iii. Hammer types iv. Pliers v. Crimpers, cutters XVI. Brazing a. Swedging b. Flaring c. Oxygen/acetylene setup i. Lighting ii. Flame adjustment d. Brazing technique e. Nitrogen pressurization i. Soap solution leak detection |