This training class discusses both existing and new refrigerants used in today’s vehicles including R1234yf. We discuss new and modified components of modern A/C systems including IHX (internal heat exchanger) and the recent changes to them. The new SAE J-standards in effect today are defined and discussed. Different A/C compressor designs are explained as well as some new service and testing techniques. In addition, we present a review of A/C thermodynamics, the A/C cycle loop and some proven best practices for the teaching of these topics to your students. We use our EM-2000 trainers to demonstrate a “hands-on” method of teaching these subjects. Hybrid A/C systems are covered as well as the new refrigerant oils used in them. A class handout and editable Power Point are available for this class.
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Please let everyone know the C-12 trainers are working great, they are a big hit with all the top brass when they stop by for a site visit. The students love that lab portion they all really seem to understand the Cat systems more at the end than when they rst get to class. You can see that light bulb go off in their head after the rst couple of bugs. Thanks!CM1(SCW) Ingram, Mickey, CM Advanced School Instructor, NCTC Gulfport, MS
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