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Course Criteria
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5.00 Credits
Introduction to basic refrigeration systems. Topics include proper and safe use of tools, identification of materials, methods of assembling refrigeration systems, and proper handling of refrigerants. Emphasis on basic system components: evaporators, compressors, condensers, and test equipment.
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1.00 Credits
Introduction to print reading for plumbing and HVAC students, involving residential and commercial applications. Course work includes study of specifications and information contained on paper as well as electronic construction drawings.
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1.00 Credits
Introduction to working with electronic construction drawings related to the HVAC industry. In response to the now-common practice of sending job drawings by disk, e-mail, or other electronic forms, this course provides the skills to perform these tasks along with the ability to do simple drawing modifications.
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4.00 Credits
Introduction to commercial refrigeration systems, different types of refrigeration systems, and their methods of operation. Skill development includes understanding and identifying the types of controls required to control temperature, air circulation, and defrost procedures; performing refrigeration load calculation; and selecting equipment-all in accordance with the guidelines of The Clean Air Act of 1990 related to commercial refrigeration.
Prerequisite:
ACR 111
Corequisite:
ACR 126
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4.00 Credits
Principles and best practices used to recognize and correct installation errors and service problems in commercial refrigeration systems, as well as to troubleshoot mechanical and control malfunctions affecting the operation of commercial refrigeration systems. Course work includes designing and using electrical diagrams for installation and service of commercial refrigeration systems.
Prerequisite:
ACR 111
Corequisite:
ACR 124
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3.00 Credits
Collaborative analysis, involving students with various technical backgrounds, of the basic characteristics and functions of applied commercial building and industrial facility AC/R systems. Designed to merge common skills and provide exposure to the specifics of identity, application, and operation of central liquid chillers, packaged DX systems, unitary equipment, and rooftop units. Theory and practical application cover the importance of AC/R systems for comfort and process, types of systems, how systems, work, identification of AC/R system components, the properties of air and water vapor, and the use of pyschometric charts for ACR process analysis. Emphasis on ASHRAE ventilation standards, IAQ basics and introductory control point strategies.
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3.00 Credits
Introduction to the air conditioning aspect of the heating, ventilation, air conditioning, and refrigeration (HVACR) industry. Designed to provide entry-level knowledge and skills needed to perform installation, troubleshooting, and service on residential and light commercial air conditioning systems, including split-system air conditioning units, package air conditioning units, and water-cooled air conditioning systems.
Prerequisite:
ACR 111
Corequisite:
ACR 239
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3.00 Credits
Foundational knowledge and practice of performing introductory heat load calculations and HVAC system sizing. Use of recognized industry software applications to perform residential heat gain, heat loss, duct, and hydronic system design.
Prerequisite:
ACR 111 AND PLH 113
Corequisite:
ACR 236 AND PLH 236
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3.00 Credits
Advanced study of the vapor-mechanical compression refrigeration system specific to the heat pump, liquid chiller, environmental chamber, and clean room application. Discussion and laboratory practice covers advanced equipment and system installation, operation, and service techniques, with emphasis on the service of advanced equipment. Additional topics include residential and commercial ventilation and exhaust systems.
Prerequisite:
ACR 236 AND ACR 239
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3.00 Credits
Instruction and practical application of skills needed to professionally install, maintain, and service fossil-fuel fired and electric-resistance warm air furnaces and systems. Emphasis on medium- and high-efficiency furnace design technology, exhaust gas venting methods, treated air distribution application, and electric/electronic control. Topics include indoor climate comfort, fossil-fuel combustion, furnace construction, air movement, electrical wiring, electronic control, pilot types, ignition processes, efficiency testing, fossil-fuel piping, bi-product venting, duct assembly, air filtration, and distribution system balancing.
Prerequisite:
ACR 111 AND PLH 113 OR ACR 111 AND PLH 112
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