A/C and Refrigeration (AIR) at Tidewater Community College


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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 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 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
View AIR 160 Course Content Summary
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 207 - Heat Loads and 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. Studies heat loss and heat gain factors. Considers the effect, the selection and layout of residential air conditioning and refrigeration systems.
Lecture 3 hours. Laboratory 3 hours. Total 6 hours per week.
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 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
View AIR 240 Course Content Summary
AIR 241 - Direct Digital Controls (DDC) II
Studies electronics and its applications in the HVAC field. Covers computers, programmable controllers, and microprocessors in the HVAC industry. Describes the construction, operation, and installation of more commonly used HVAC sensors, controllers, and final control devices. Covers the selection of a controller based upon the process characteristics, calibration of a control loop for best efficiency. Describes how to develop flow charts. Prerequisite: AIR 240.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
AIR 273 - Refrigeration III
Studies heat pumps, sizing, installation, and servicing, reciprocating screw and centrifugal chillers air conditioners.
Lecture 2-3 hours. Laboratory 2-6 hours. Total 4-9 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
View AIR 278 Course Content Summary
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