A/C and Refrigeration (AIR) at Danville 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 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 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 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 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 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 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 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 255 - Air Conditioning Systems V
- Studies water-cooled and air-cooled condensers, refrigerant piping design, capacity control, air washers, water and steam piping arrangements.Lecture 2 hours. Laboratory 3 hours. Total 5 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 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 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 - 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
