Meet the teacher


Continuing our series of blogs introducing some of the teachers and presenters that will be presenting classes at the upcoming MACS Training Event and Trade Show in February. Each of these class leaders has been chosen for their detailed knowledge of their topic and their ability to present it to you.

Oscar Contreras, Sanden International (USA), Inc.
Instruction in Spanish:  “The refrigeration system under the hood”

Oscar Contreras is a native of Mexico and received his engineering degree in Mexico City. He has more than 30 years of experience in automotive air conditioning. He has worked for Trane, McQuay, Tekno Group, and is currently at Sanden International (USA), Inc. in Wylie, Texas as Sales Division manager for  International Sales.

 

Durante esta presentación, Oscar Contreras compartirá muchas historias de sus aventuras en la carretera haciendo pruebas de enfriamiento en los vagones de pasajeros aún antes que existieran los ordenadores portátiles, así como también pruebas de enfriamiento en autos de pasajeros realizadas en un túnel de viento de lo más avanzado, no sin antes pasar por los fundamentos de A/C. Oscar cubrirá el ciclo de refrigeración y sus cuatro procesos, los cambios de estado, y lo más importante, la información de servicio y reparación y los procedimientos adecuados para reemplazar un compresor.

(During this presentation, Oscar Contreras will share many stories of his adventures on the road doing cool down tests on passenger coaches before laptop computers even existed, as well as cool down tests on passenger cars performed in a state-of-the-art wind tunnel, but while going through A/C basics. Oscar will cover the refrigeration cycle and its four processes, changes of state, and most importantly, service & repair information and proper procedures to replace a compressor.)

Oscar adds, “ La Convención de MACS 2013 es un ambiente perfecto para ver las cosas desde una perspectiva diferente, retarnos a buscar buena información y obtener algo de ella, no sólo por conocimiento, sino también para aplicarlo en nuestras actividades diarias y hacer nuestras vidas más sencillas.  Sin importar a lo que nos dedicamos, estoy seguro de que todos estamos muy ocupados en nuestros trabajos, siempre tratando de encontrar formas de ser más eficientes por lo que es normal olvidar algunos de los conceptos básicos.

(The 2013 MACS convention is a perfect environment to see things from a different perspective, challenge ourselves and look for good information so we can get something out of it, not only for knowledge, but also to use it on our daily activities and make our lives easier.  No matter what we do, I’m sure we all have very busy schedules on our jobs, always trying to find ways to be more efficient and is normal to forget some of the basics. Probably you know most of the information to be shared during my class, but it is always good to remind….. I’m sure that after my class your ability to diagnose will improve considerably by using basic A/C knowledge that you already know. MACS is the perfect time and place.”)

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About macsworldwide

Mobile Air Conditioning Society (MACS) Worldwide Founded in 1981, MACS is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. Since 1991, MACS has assisted more than 600,000 technicians to comply with the 1990 U.S. EPA Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment. The Mobile Air Conditioning Society (MACS) Worldwide’s mission is clear and focused--as the recognized global authority on mobile air conditioning and heat transfer industry issues. www.macsw.org
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