A/C and Refrigeration (AIR) at Virginia Western Community College
Distance Learning
Time of Day
Term
- AIR 111 - Air Conditioning and Refrigeration Controls I
- Presents electron theory, magnetism, Ohm's Law, resistance, current flow, instruments for electrical measurement, A.C. motors, power distribution controls and their application. Part I of II.Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits - AIR 112 - Air Conditioning and Refrigeration Controls II
- Presents electron theory, magnetism, Ohm's Law, resistance, current flow, instruments for electrical measurement, A.C. motors, power distribution controls and their application. Part II of II.Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits - AIR 121 - Air Conditioning and Refrigeration I
- Studies refrigeration theory, characteristics of refrigerants, temperature, and pressure, tools and equipment, soldering, brazing, refrigeration systems, system components, compressors, evaporators, metering devices. Presents charging and evaluation of systems and leak detection. Explores servicing the basic system. Explains use and care of oils and additives and troubleshooting of small commercial systems. Part I of II.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 122 - Air Conditioning and Refrigeration II
- Studies refrigeration theory, characteristics of refrigerants, temperature, and pressure, tools and equipment, soldering, brazing, refrigeration systems, system components, compressors, evaporators, metering devices. Presents charging and evaluation of systems and leak detection. Explores servicing the basic system. Explains use and care of oils and additives and troubleshooting of small commercial systems. Part II of II.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 123 - Air Conditioning and Refrigeration III
- Psychometric properties of air, heat load and gain calculation, heated and chilled water systems, duct, design, air distribution and air comfort requirements. Part I of II.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 124 - Air Conditioning and Refrigeration IV
- Psychometric properties of air, heat load and gain calculation, heated and chilled water systems, duct, design, air distribution and air comfort requirements. Part II of II.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 134 - Circuits and Controls I
- Presents circuit diagrams for air conditioning units, reading and drawing of circuit diagrams, types of electrical controls. Includes analysis of air conditioning circuits, components, analysis and characteristics of circuits and controls, testing and servicing. Introduces electricity for air conditioning which includes circuit elements, direct current circuits and motors, single and three-phase circuits and motors, power distribution systems, and protective devices. Studies the electron and its behavior in passive and active circuits and components. Demonstrates electronic components and circuits as applied to air conditioning system. Part I of II.Lecture 2-3 hours. Laboratory 2-6 hours. Total 4-9 hours per week.
3-4 credits - AIR 135 - Circuits and Controls II
- Presents circuit diagrams for air conditioning units, reading and drawing of circuit diagrams, types of electrical controls. Includes analysis of air conditioning circuits, components, analysis and characteristics of circuits and controls, testing and servicing. Introduces electricity for air conditioning which includes circuit elements, direct current circuits and motors, single and three-phase circuits and motors, power distribution systems, and protective devices. Studies the electron and its behavior in passive and active circuits and components. Demonstrates electronic components and circuits as applied to air conditioning system. Part II of II.Lecture 2-3 hours. Laboratory 2-6 hours. Total 4-9 hours per week.
3-4 credits - AIR 154 - Heating Systems I
- Introduces types of fuels and their characteristics of combustion; types, components and characteristics of burners, and burner efficiency analyzers. Studies forced air heating systems including troubleshooting, preventive maintenance and servicing. Part I of II.Lecture 2-3 hours. Laboratory 2-6 hours. Total 4-8 hours per week.
3-4 credits - AIR 155 - Heating Systems II
- Introduces types of fuels and their characteristics of combustion; types, components and characteristics of burners, and burner efficiency analyzers. Studies forced air heating systems including troubleshooting, preventive maintenance and servicing. Part II of II.Lecture 2-3 hours. Laboratory 2-6 hours. Total 4-8 hours per week.
3-4 credits - AIR 158 - Mechanical Codes
- Presents mechanical code requirements for installation, service, and inspection procedures . Uses the BOCA code in preparation for the master's card.Lecture 1-2 hours per week.
1-2 credits - AIR 159 - Heating and Cooling Safety
- Presents standard safety procedures used in the heating and cooling industry. Discusses proper handling of equipment refrigerants and electricity.Lecture 1 hour per week.
1 credits - AIR 161 - Heating, Air and Refrigeration Calculations I
- Introduces fractions, decimals, sign of operations, equations, Ohm's Law, subtraction, multiplication and division of signed numbers. Teaches fundamentals of algebra, expression of stated problems in mathematical form, and solutions of equations. Part I of II.Lecture 2-3 hours. Laboratory 1-3 hours. Total 3-6 hours per week.
3-4 credits - AIR 165 - Air Conditioning Systems I
- Introduces comfort survey, house construction, load calculations, types of distribution systems, and equipment selection. Introduces designing, layout, installing and adjusting of duct systems, job costs, and bidding of job. Part I of II.Lecture 2-3 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits - AIR 171 - Refrigeration I
- Introduces basic principles of refrigeration. Includes refrigeration systems, cycles, and use and care of refrigeration tools. Studies shop techniques including soldering, brazing, leak testing, tube testing, tube bending, flaring, and swaging. Analyzes mechanical (vapor compression) systems. Assembles and repairs them including evacuating, charring, testing, and electrical repairs. Introduces advanced troubleshooting and repairs for domestic, commercial and industrial units. Includes medium, low, and ultra low temperature systems of the single and multiple unit types. Includes equipment selection, system balancing, and installation procedures. Part I of II.Lecture 4-6 hours. Laboratory 6-9 hours. Total 10-15 hours per week.
6-9 credits - AIR 190 - Coordinated Internship
- Supervises on-the-job training in selected business, industrial or service firms coordinated by the college.Credit/practice ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits - AIR 193 - Studies In
- Covers new content not covered in existing courses in the discipline. Allows instructor to explore content and instructional methods to assess the course's viability as a permanent offering.Variable hours per week.
1-5 credits - AIR 193 - Studies In
- Covers new content not covered in existing courses in the discipline. Allows instructor to explore content and instructional methods to assess the course's viability as a permanent offering.Variable hours per week.
1-5 credits - AIR 195 - Topics In
- Provides an opportunity to explore topical areas of interest to or needed by students.May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits - AIR 199 - Supervised Study
- Assigns problems for independent study incorporating previous instruction and supervised by the instructor.May be repeated for credit. Variable hours.
1-5 credits - AIR 200 - Hydronics
- Presents design and installation of hydronic systems for heating and cooling. Includes steam heated and chilled water systems. Primarily concerns systems using water under forced circulation.Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits - AIR 205 - Hydronics and Zoning
- Presents installation, servicing, troubleshooting, and repair of hydronic systems for heating and cooling. Includes hot water and chilled water systems using forced circulation as the transfer medium.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 210 - Air Conditioning and Refrigeration Analysis
- Reviews principles of refrigeration and air conditioning. Studies components, types and applications. Includes types of refrigeration systems such as multistage and cascade, selection and balancing of major components, and absorption systems.Lecture 2-3 hours. Laboratory 3-6 hours. Total 5-9 hours per week.
3-4 credits - AIR 213 - Air Conditioning and Refrigeration Controls III
- Introduces electrical, pneumatic and electronic control circuits as applied to year-round air conditioning systems. Includes reading wiring and schematic diagrams, troubleshooting, and designing high and low voltage control systems. Part I of II.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 235 - Heat Pumps
- Studies theory and operation of reverse cycle refrigeration including supplementary heat as applied to heat pump systems, including service, installation and maintenance.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 238 - Advanced Troubleshooting and Service
- Presents advanced service techniques on wide variety of equipment used in refrigeration, air conditioning, and phases of heating and ventilation and controls.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 278 - HVAC System Startup and Commissioning
- Presents the process for ensuring that a Heating, Ventilation, and Air Conditioning (HVAC) system meets operational requirements and that it provides acceptable indoor air quality. Covers different levels of commissioning from basic to the actual re-commissioning evaluation. Includes functional performance testing, operator training, Material Safety Data Sheet (MSDS) forms, and equipment data sheets as well as operational and maintenance manuals.Credits - 3. Lecture - 2 hours. Lab - 2 hours. Total 4 hours per week.
3 credits - AIR 281 - Energy Management I
- Introduces methodology for residential audits covering heat flow analysis, construction methods and materials. Discusses effects of life styles on energy consumption, conservation and practices, renewable energy sources, calculating cost and savings, interviewing and education techniques. Introduces commercial and industrial energy audits, methodology for the performance of audits covering heat flow analysis, construction methods and materials. Part I of II.Lecture 1-2 hours. Laboratory 2-4 hours. Total 3-6 hours per week.
2-3 credits - AIR 282 - Energy Management II
- Introduces methodology for residential audits covering heat flow analysis, construction methods and materials. Discusses effects of life styles on energy consumption, conservation and practices, renewable energy sources, calculating cost and savings, interviewing and education techniques. Introduces commercial and industrial energy audits, methodology for the performance of audits covering heat flow analysis, construction methods and materials. Part II of II.Lecture 1-2 hours. Laboratory 2-4 hours. Total 3-6 hours per week.
2-3 credits - AIR 295 - Topics In
- Provides an opportunity to explore topical areas of interest to or needed by students.May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits - AIR 298 - Seminar and Project
- Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.May be repeated for credit. Variable hours.
1-5 credits
