A/C and Refrigeration (AIR) at Tidewater 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 116 - Duct Construction and Maintenance
- Presents duct materials including sheet metal, aluminum, and fiber glass. Explains development of duct systems, layout methods, safety hand tools, cutting and shaping machines, fasteners and fabrication practices. Includes duct fittings, dampers and regulators, diffusers, heater and air washers, fans, insulation, and ventilating hoods.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 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 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 160 - Introduction to Indoor Air Quality
- Examines the common sources of indoor air contaminants (pollutants), minimum ventilation rate requirements, and the analysis of properties of indoor air in residential and commercial buildings. Covers methods of air properties data collection, data analysis, and the implementation of Heating, Ventilation, and Air Conditioning (HVAC) systems performance remediation techniques.Credits - 2. Lecture - 1 hour. Lab - 2 hours. Total 3 hours per week.
2 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 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 206 - Psychrometrics
- Studies air and its properties, characteristics and measurements as they apply to human comfort. Considers control of temperature, humidity and distribution of air and air mixtures.Lecture 2 hours. Laboratory 2-4 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 240 - Direct Digital Controls (DDC) I
- Studies the principles of direct digital controls. Presents common terms used within the HVAC control industry. Covers the function and operating characteristics of sensors, controllers, and final control devices. Highlights transfer function for a control devise and details the development of equations for typical control transfer functions.3 Credits. Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits - AIR 297 - Cooperative Education
- Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-6 credits
