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Course Criteria
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4.00 Credits
Fall The fundamental principles of physics and thermodynamics are taught as they pertain to the refrigeration cycle. Emphasis is placed on pressure- temperature relationships and the cyclic nature of refrigeration systems. Refrigerant types and refrigerant controls are studied. Pre or Corequisite: HVAC 130, Electricity for HVAC/R.
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3.00 Credits
Spring This course is a continuation of HVAC 110, Refrigeration Principles I. Students will learn an
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6.00 Credits
Fall Lab fee will be required. Assembly, testing, diagnosing and repairing of components of residential, commercial and industrial refrigeration systems. The properties of refrigerants are studied with respect to proper handling, storage and use. The use of hand tools, soldering and brazing and electrical test equipment use is demonstrated and practiced. Controls are an integral part of lab program. Corequisites: HVAC 130, Electrical Fundamentals; HVAC 110, Refrigeration Principles I.
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6.00 Credits
Spring Lab fee will be required. The skills learned in Refrigeration Lab I are used and expanded upon in Refrigeration Lab II. Commercial controls, relays, and components are installed and serviced with an emphasis on electrical troubleshooting and safety. The hands-on diagnosis and service of domestic refrigeration and comfort cooling is also covered in depth. Prerequisite: HVAC 120, Refrigeration Lab I.
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4.00 Credits
Fall The fundamentals of electrical theory including magnetism, circuits, transformers, and motors. The emphasis is on motors and controls found in refrigeration and air conditioning equipment.
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4.00 Credits
Spring This course is an in-depth study of HVAC/R electrical circuits and systems, with an emphasis on the integration and theory of operation of the various protection. Students will study and learn how to interpret both basic and advanced electrical system diagrams for the purpose of acquiring valuable troubleshooting skills. Prerequisites: HVAC 110, Refrigeration Principles I; HVAC 120, Refrigeration Lab I; HVAC 130, Electricity for HVAC/R. Corequisites: HVAC 121, Refrigeration Lab II.
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4.00 Credits
Spring In this course, students will study fuels and their properties, including the importance of safe handling. Central forced air heating systems, including both gas, oil, and electric ignition systems also are studied. Students will learn both installation and service techniques, including combustion efficiency testing and electrical systems diagnosis. Prerequisite: HVAC 130, Electricity for HVAC/R.
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3.00 Credits
Fall Lab fee will be required. Tubing fabrication and system components of residential, commercial, and industrial refrigeration systems are studied. The properties of refrigerants are studied with respect to proper handling, storage and use. The safe use of hand tools is demonstrated and practiced. Soldering and brazing techniques are also demonstrated and practiced.
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3.00 Credits
Spring Lab fee will be required. Testing, diagnosing and repairing components of residential, commercial and industrial refrigeration systems is covered in detail. Electrical meter use, electrical troubleshooting and schematic diagram reading are emphasized throughout the semester. Refrigeration controls are also an integral part of the lab program. Prerequisite: HVAC 130, Electricity for HVAC/R; HVAC 151, Refrigeration Lab I, Part I.
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3.00 Credits
Fall This course introduces the student to basic HVAC/R systems design. Topics included in this comprehensive, introductory level course are: residential comfort cooling design, forced commercial air conditioning, residential heat pump, hydronic heating, and hot air heating. Emphasis is placed on use ofmanufacturers' literature and design aids. Computer programs are used to speed selections of equipment and evaluation of systems performance. Pre orCorequisite: HVAC240,Heat Transfer Systems II.
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