A/C and Refrigeration (AIR) at Thomas Nelson Community College


          Advanced Search

Distance Learning
Showing: WWW Online - WWW Online w/E-Rate
Restrict search to:
   Distance Learning Types
Time of Day
Restrict search to:
Term
Restrict search to:
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 137 - Air Conditioning Electronics Survey
Studies electronics and its applications in the HVAC field. Covers computers, programmable controllers, and microprocessors in the HVAC industry. Prerequisite: AIR 134 or approval.
Lecture 1 hours. Laboratory 3 hours. Total 4 hours per week.
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 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 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 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 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 240 Detailed Outline
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 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