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Course Criteria
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4.00 Credits
A study of components, applications, and installation of mechanical air conditioning systems including operating conditions, troubleshooting, repair, and charging of air conditioning systems. Demonstrate systems applications; implement and demonstrate industry accepted refrigerant charging procedures; demonstrate air conditioning system installation procedures; and demonstrate component and part diagnostics and replacement. Prerequisite: Refrigeration Principles, Advanced Electricity.
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4.00 Credits
A study of the procedures and principles used in servicing heating systems including gas fired and electric furnaces. The student will identify different types of gas furnaces; identify and discuss component operation of gas furnaces; service and troubleshoot gas furnaces; perform safety inspections on gas and electric furnaces; identify unsafe operation of gas furnaces; identify and discuss component operation of electric furnaces; and service and troubleshoot electric furnaces. Prerequisite: Refrigeration Principles, Electricity Principles.
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4.00 Credits
Methods for troubleshooting electrical control devices and control circuits including correctly wiring electrical components. The student will troubleshoot complex electrical control devices; troubleshoot control circuits; connect wiring for various control circuits; and apply advanced A/C control concepts. Prerequisite: Refrigeration Principles, Advanced Electricity.
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4.00 Credits
Theory of and practical application in the maintenance of commercial refrigeration; high, medium, and low temperature applications and ice machines. The student will explain and apply high, medium, and low temperature systems operation, and explain and apply ice machine and packaged refrigeration system operation. Prerequisite: Refrigeration Principles, Electricity Principles.
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4.00 Credits
A study of the properties of air and results of cooling, heating, humidifying or dehumidifying; heat gain and heat loss calculations including equipment selection and balancing the air system. The student will calculate heat loss and heat gain; design a complete duct system; size heating and cooling equipment of the structure; perform a load calculation using Manual J. Prerequisite: Refrigeration Principles, Advanced Electricity.
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4.00 Credits
A study of heat pumps, heat pump control circuits, defrost controls, auxiliary heat, air flow, and other topics related to heat pump systems. Explain a reverse cycle system; list the mechanical and electrical components for the heat pump operation; and explain the operation of heat pump modes including cooling, heating, defrost, emergency heat, and auxiliary heat mode. Identify and explain different methods of accomplishing defrost; charge a system correctly in the heating and cooling mode; troubleshoot electrical and mechanical components; perform tests for adequate air flow; and determine balance point and C.O.P. (coefficiency of performance). Prerequisite: Refrigeration Principles, Electricity Principles.
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3.00 Credits
General survey of United States history from 1877 to the present. (RW)
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3.00 Credits
Texas history from the Spanish Period to the present. Emphasis on the period of Anglo-American settlement, revolution, Republic, and development of the modern state. (RW)
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3.00 Credits
Survey of the political, social, economic, military, cultural, and intellectual development of Europe from prehistory to the Reformation. (RW)
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3.00 Credits
Continuation of Western Civilization I survey of political, social, economic, military, cultural, and intellectual development of Europe from the Reformation to the present. (RW)
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