13 courses with the subject AHR, each shown exactly as we captured it from the college's catalog, with every element we hold. Where the wording looks broken, that is our reading of the catalog, not the college's text.
AHR 110Introduction to Refrigeration5
This course introduces the basic refrigeration process used in mechanical refrigeration and air conditioning systems. Topics include terminology safety and identification and function of components; refrigeration cycle; and tools and instrumentation used in mechanical refrigeration systems. Upon completion students should be able to identify refrigeration systems and components explain the refrigeration process and use the tools and instrumentation of the trade.
This course introduces electricity as it applies to HVACR equipment. Emphasis is placed on power sources interaction of electrical components wiring of simple circuits and the use of electrical test equipment. Upon completion students should be able to demonstrate good wiring practices and the ability to read simple wiring diagrams.
This course covers the fundamentals of heating including oil gas and electric heating systems. Topics include safety tools and instrumentation system operating characteristics installation techniques efficiency testing electrical power and control systems. Upon completion students should be able to explain the basic oil gas and electrical heating systems and describe the major components of a heating system.
This course covers the installation procedures system operations and maintenance of residential and light commercial comfort cooling systems. Topics include terminology component operation and testing and repair of equipment used to control and produce assured comfort levels. Upon completion students should be able to use psychrometrics manufacturer specifications and test instruments to determine proper system operation.
This course covers the principles of air source and water source heat pumps. Emphasis is placed on safety modes of operation defrost systems refrigerant charging and system performance. Upon completion students should be able to understand and analyze system performance and perform routine service procedures.
This course covers the types of controls found in residential and commercial comfort systems. Topics include electrical and electronic controls control schematics and diagrams test instruments and analysis and troubleshooting of electrical systems. Upon completion students should be able to diagnose and repair common residential and commercial comfort system controls.
This course introduces the techniques used to lay out and fabricate duct work commonly found in HVAC systems. Emphasis is placed on the skills required to fabricate duct work. Upon completion students should be able to lay out and fabricate simple duct work.
This course covers the requirements for the EPA certification examinations. Topics include small appliances high pressure systems and low pressure systems. Upon completion students should be able to demonstrate knowledge of refrigerants and be prepared for the EPA certification examinations.
This course introduces common business and customer relation practices that may be encountered in HVACR. Topics include business practices appearance of self and vehicle ways of handling customer complaints invoices telephone communications and warranties. Upon completion students should be able to present themselves to customers in a professional manner understand how the business operates complete invoices and handle complaints.
This course introduces the principles and concepts of conventional residential heating and cooling system design. Topics include heating and cooling load estimating basic psychrometrics equipment selection duct system selection and system design. Upon completion students should be able to design a basic residential heating and cooling system.
This course covers the North Carolina codes that are applicable to the design and installation of HVACR systems. Topics include current North Carolina codes as applied to HVACR design service and installation. Upon completion students should be able to demonstrate the correct usage of North Carolina codes that apply to specific areas of the HVACR trade.
This course introduces the techniques of assessing and maintaining the quality of the indoor environment in residential and commercial structures. Topics include handling and investigating complaints filter selection humidity control testing for sources of carbon monoxide impact of mechanical ventilation and building and duct pressures. Upon completion students should be able to assist in investigating and solving common indoor air quality problems.
