A/C and Refrigeration (AIR) at New River 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 117 - Metal Layout I
- Presents measuring and gauging of sheet metal, types of metal, handling sheet metal, cutting and bending, layout. Teaches fundamentals of drafting, basic drawing instruments, lettering practices.Lecture 1-2 hours. Laboratory 3-6 hours. Total 5-7 hours per week.
3 credits - AIR 118 - Metal Layout II
- Presents practice in the laying out of various sheet metal pieces on paper and transposing to metal.Lecture 1 hour. Laboratory 6 hours. Total 7 hours per week.
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 126 - Electrical and Control Systems
- Presents trouble-shooting and servicing the electrical components of small refrigeration systems including basic electricity for refrigeration, electrical controls of refrigeration systems, electrical motors, motor control, motor starters, relays, overloads, instruments, and control circuits.Lecture 1 hour. Laboratory 3 hours. Total 4 hours per week.
2 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 136 - Circuits and Controls III
- Introduces types of circuits and controls used in home, commercial and industrial air conditioning systems. Includes servicing and installation procedures for electrical unloading of compressors, single- and two-stage thermostats, and electrical regulation of fan speed for air volume control. Explains operational and safety control and how schematic and pictorial diagrams are used in these systems.Lecture 2-3 hours. Laboratory 3-6 hours. Total 4-9 hours per week.
3-4 credits - AIR 137 - Air Conditioning Electronics Survey
- Studies electronics and its applications in the HVAC field. Covers computers, programmable controllers, and microprocessors in the HVAC industry.Lecture 1 hours. Laboratory 3 hours. Total 4 hours per week.
Prerequisite: AIR 134 or approval.2 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 156 - Heating Systems III
- Introduces types of boilers, sizing boilers, sizing radiators and convectors, designing piping systems for steam, hot water and vacuum systems. Includes testing and servicing wet heat systems.Lecture 1-2 hours. Laboratory 2-4 hours. Total 3-6 hours week.
2-3 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 167 - Air Conditioning Systems III
- Introduces building survey, commercial load calculations, design conditions, solar heat gain, ventilation, internal heat gains, cooling, heating and humidification with water psychometrics distribution systems, ice and water for air conditioning.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 172 - Refrigeration II
- 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 swagging. 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 II of II.Lecture 4-6 hours. Laboratory 6-9 hours. Total 10-15 hours per week.
6-9 credits - AIR 176 - Air Conditioning
- Presents residential and commercial air conditioning systems, including air conditioning principles, psychometrics and pressure balancing. Includes window units, residential central systems, small commercial (air and water cooled condensers) and automobile units.Lecture 4-5 hours. Laboratory 4-8 hours. Total 8-13 hours per week.
6-7 credits - AIR 181 - Planning and Estimating I
- Presents fundamentals of blueprint reading as applied to the building trades. Emphasizes air conditioning distribution, designing and drawing residential and commercial systems, take-off of materials and estimating the cost of the systems. Part I of II.Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 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 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 197 - 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.
1-5 credits - AIR 198 - 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 - 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 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 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 231 - Circuits and Controls IV
- Applies controls and control circuits to air conditioning and refrigeration, including components, pilot devices and controls, and circuit diagrams.Lecture 3-4 hours. Laboratory 3 hours. Total 6-7 hours per week.
4-5 credits - AIR 232 - Circuits and Controls V
- Presents application and design of wiring and schematic diagrams of commercial refrigeration systems. Teaches fundamentals of operation and applications of pneumatic controls including basic pneumatic control circuits.Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 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 251 - Air Conditioning Systems I
- Studies air conditioning, sizing selection, and application, servicing, repairing of coils and compressors. Includes troubleshooting the cooling system. Studies piping design and sizing, installation, condensers and water towers. Includes valves, strainers and accessories, duct systems and air distribution design and their relationship with volume, static pressure and velocity. Part I of II.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 252 - Air Conditioning Systems II
- Studies air conditioning, sizing selection, and application, servicing, repairing of coils and compressors. Includes troubleshooting the cooling system. Studies piping design and sizing, installation, condensers and water towers. Includes valves, strainers and accessories, duct systems and air distribution design and their relationship with volume, static pressure and velocity. Part II of II.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits - AIR 254 - Air Conditioning Systems IV
- Presents air balancing including taking duct pressure readings, finding register and grille CFM's, fans, laws and their applications. Explores instruments used for air balancing and proper procedures. Studies water-cooled and air-cooled condensers, refrigerant piping design, capacity control, air washers, water and steam piping arrangements. Part II of II.Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 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 276 - Refrigerant Usage EPA Certification
- Prepares HVAC technicians for a refrigerant certification test mandated by the Environmental Protection Agency (EPA). Reviews refrigerant recovery, recycle, and reclamation procedures for service work associated with air conditioning and refrigeration. Examines environmental impact including ozone depletion resulting from refrigeration utilization.Lecture 1-2 hours. Total 1-2 hours per week.
Students should have previous training and/or working knowledge of vapor-compression, common service equipment and procedures in HVAC/R.1-2 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 290 - 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 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 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 - 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 - AIR 299 - 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
