ROLLING MEADOWS, Ill. — RSES has released its “Preparing for the Nate Exam: Commercial Refrigeration Instructor” CD and a new service application manual chapter.  

Commercial refrigeration is the sixth title in the Preparing for the NATE Exam Instructor CD Series. The series of CDs is designed to help RSES Chapters and HVACR instructors prepare students for the North American Technician Excellence (NATE) commercial refrigeration exam.

The Preparing for the NATE Exam: Commercial Refrigeration Instructor CD utilizes Microsoft PowerPoint software and allows educators to conduct anywhere from two- to eight-hour review sessions. The CD contains a complete overview of all materials covered in the Preparing for the NATE Exam: Commercial Refrigeration study book.

The CD, which features more than 1,500 slides as well as answers to all review questions is designed to be a tool for instructors who have extensive knowledge in the field and who seek an outline as part of a program for preparing students to take the NATE Commercial Refrigeration exam. Topics covered on the Preparing for the NATE Exam: Commercial Refrigeration Instructor CD include electrical fundamentals; refrigeration fundamentals; refrigeration equipment; refrigeration components; electrical components; regulations, code, and design; installation; service and maintenance; large commercial refrigeration systems; and more.

RSES has also released a new SAM Chapter 650-018, Section 6B, “Relays, Contactors, and Starters,” written by John Lattuca, CMS, Tecumseh Products Co. LLC.   

SAM is among the oldest HVACR reference manuals available in the industry. It contains thousands of pages of technical data, equipment analyses, and evaluations; field application instructions; regulations; good practice codes; business development guidance; and more. SAM is designed to be a resource to help techs obtain knowledge in 25 categories and 45 subcategories of HVACR-related topics.

Members can access all of the SAM Chapters, including this new one, online as an RSES member benefit.

“Relays, Contactors, and Starters” provides readers with the purpose, construction, function, and wiring of these controls in order to troubleshoot them effectively. In addition to contactors and starters, various types of relays (current relays, potential relays, positive-temperature coefficient relays, impedance relays, and time-delay relays) are included in this discussion.

John Lattuca, CMS, is a senior technical support specialist for Tecumseh Products Co. LLC. He began his career with GE in 1978 and has more than 40 years of HVACR industry experience. He is an RSES certificate member specialist in electricity and has contributed technical articles to RSES Journal. For more information, visit or call 800-297-5660.

Publication date: 02/13/18