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RSES Announces Conference Educational Sessions: Day 2 and 3

August 22nd, 2018

Rolling Meadows, Ill. (Aug. 22, 2018) –RSES has added expanded descriptions to its educational sessions for the 79th RSES Conference and HVACR Technology Expo (colocated with PHCC CONNECT), to be held at the Albuquerque Convention Center in New Mexico. The sessions run from Oct. 10–12, 2018, and participants can earn up to 16 CEHs toward NATE recertification. The lineup for Thursday and Friday, Oct. 11-12, includes the following (for a full listing click here):


“Electrical Schematics Analysis, Part 1,” presented by Art Miller of KAM Associates/RSES—This two-part session will begin with fundamentals such as determining loads and load controllers and will continue with the symbols and functions of switching actions of load controllers. The session will move onto control circuits: two-wire control, three wire control with magnetic starters and timed circuits. It will include ladder diagrams, sequence of operation and voltage tracing of circuits.

“Strictly Refrigeration,” presented by Bill Sammons, CMS, of the Bill Sammons Co.—This session is designed to point out the differences in air-conditioning and refrigeration systems, the way they operate and the parts that are involved in a refrigeration system that are not involved in A/C. As an example, refrigeration systems require some sort of a defrost system where A/C does not. The operating temperatures are different, and they require some different parts and controls to accomplish this. Have you ever heard of a reverse acting high pressure control? This will be discussed and other various parts and controls will be explained.

“Psychrometrics,” presented by Harlan "Skip" Krepcik, CMS, RCT, of Tidewater Community College—This session will use data from the solution schematic to determine air flow volume and refrigeration tonnage. Mixed air, steam injection and evaporative cooling processes will be explained. This is a participative presentation. Attendees should bring a pencil, eraser and electronic calculator.

“Electrical Schematics Analysis, Part 2” presented by Art Miller of KAM Associates/RSES—The second of this two-part session will continue with interlock circuits, associated ladder diagrams, sequence of operation and voltage tracing of circuits.  It will conclude with a look at the Impedance Relay (Lockout Relay) and Oil Failure Switch Circuits.

“Facility/Contractor Coordination in the Industrial Environment,” presented by Vern Sanderson of Wagner-Meinert/RETA— As contractors are asked to perform larger and more complex service and construction projects, communication and the management of expectations becomes more important. Coordination determines whether or not the job is ultimately profitable most times. Through our discussion we will look at some of the pitfalls, and some of the tricks to good communication and coordination.

“Profit Management: Properties & Attitudes,” Harlan "Skip" Krepcik, CMS, RCT, of Tidewater Community College—This presentation is designed to help contractors read, understand and use information on typical financial statements. The development of strong fiscal skills is essential to survival. The information provided in this presentation is structured to start participants on the road to mastering these skills.


“Duct System Considerations, Part 1,” presented by Roger Hensley, CMS, RCT of RSES—This session will identify various types of duct systems, describe the advantages and disadvantages of each, how air moves through trunk and branch ducts, in addition to the room air patterns from various delivery locations. The highlight of the program is a visual representation of how air moves using a water table.

“Understanding Employee Motivations-Team Building 101,” presented by Vern Sanderson of Wagner-Meinert/RETA—Today’s employees have varied motivations. Some wish to fund their lifestyle, some wish to find a measure of self-worth, some want to contribute to the community. This presentation will look at some of these motivations and how to satisfy them and utilize them to build a more productive team in order to develop happier employees who will in turn have a happier, more successful career (without throwing money at them).

“Digital Compressor Technology and Injection,” presented by Don Gillis of Emerson—This session reviews the functionality and benefits of scroll and semi-hermetic digital compressors and examines fundamental elements that impact compressor capacity and operation. The session also defines demand cooling and its operation with both Liquid and Economized Vapor Injection (EVI).

“Duct System Considerations, Part 2,” presented by Roger Hensley, CMS, RCT of RSES—This session continues identifying various types of duct systems, describing the advantages and disadvantages of each, how air moves through trunk and branch ducts, in addition to the room air patterns from various delivery locations. The highlight of the program is a visual representation of how air moves using a water table.

“HVAC Systems: What You REALLY Need to Know When Servicing or Installing Refrigerant-based Equipment & Systems,” presented by Jim Italiano of Apollo Power Solutions—This session will provide practical tips, pointers  and advice about real-world field applications versus factory-laboratory conditions. Additional topics will include: piping—brazing, tensile strength; filter-driers—why?; pressure testing—how, when and how much; evacuation practices—field versus lab, in. of Hg, microns, tors and bars...huh?; pressure control for refrigeration—why it is still important and always will be.

“Combustion Analysis and Fuel Efficiency,” presented by Brynn Cooksey, CMS, RCT of RSES—This session will cover combustion system performance and maximizing efficiency. A strong focus will be placed on combustion diagnostics and adjustments to improve efficiency, performance and reliability, as well as troubleshooting and diagnosis of fuel gas constituents. All aspects of combustion from basic theory to verification of manufacturer’s specifications and advanced flue gas diagnostics testing are covered thoroughly. Measurement of oxygen, carbon dioxide, carbon monoxide, nitric oxides and sulfur oxides round out the dynamics of assuring efficient combustion. Controlling fuel, flame temperature, excess air and draft are detailed as the instruction directs each technician to maximize efficiency without sacrificing safety.

“Evacuation Basics and Beyond,” presented by James Bowman, NAVAC— This session will go back to the basics to define what evacuation is and how it applies to the industry. It will also cover what happens if a proper evacuation is not performed; when to evacuate; what tools to use; how long a proper evacuation should take; and how to know when a good evacuation has been performed. New to the industry or an old timer, join this speaker in a lively discussion on the evacuation process.

“The Design & Operation of Computer Room Air-conditioning,” presented by Joe Marchese, CMS, RCT of Koldcraft Refrigeration Services, LLC—This session will provide a general overview of the basic operation of computer room air-conditioning systems (CRAC). It will feature the general design and operation of this equipment, as well as the common accessories used. The design and operation of computer room air handlers (CRAH) used with chilled water systems will also be covered.  The basics of humidification and dehumidification equipment will be discussed along with their maintenance. Troubleshooting techniques will include the discussion of both CRAC and CRAH systems.

“Adapting to Electric Refrigeration Control Valves,” presented by Andy Schoen, CM, of Sanhua—Based on the August 2017 RSES Journal article with the same title, this session will provide a better understanding of why the industry has been moving to electric refrigeration control valves. Also included in the discussion will be a brief history of solenoid, pressure regulating and electric expansion valves.


RSES is the world's leading education, training and certification association for heating, ventilation, air conditioning and refrigeration professionals. RSES credentials include its Active Specialized Member, Certificate Member and Certificate Member Specialist categories, as well as one of the largest EPA Section 608 certification programs in the industry. Founded in 1933, RSES is a non-profit organization with chapters in the U.S. and Canada, as well as affiliate organizations worldwide. For more details, call 800-297-5660, email or visit

RSES is the leading education, training and certification preparation organization for HVACR professionals. RSES publishes various comprehensive industry training and reference materials in addition to delivering superior educational programs designed to benefit HVACR professionals at every stage of their careers through instructor-led training courses, online training for HVAC, educational seminars, interactive CD and DVD products, industry-related reference manuals, and helpful technical content through Service Application Manual chapters, the RSES Journal, the RSES Journal archives and feature articles, as well as web-exclusive features.

Beginning with basic theory and extending to complex troubleshooting, training courses covering refrigeration and air conditioning, heating, electricity, controls, heat pumps and safety may be conducted in a classroom environment or though self study. RSES publications may be purchased by schools, contractors, manufacturers or any other industry group wanting to conduct comprehensive training programs. Seminars covering air conditioning troubleshooting, electrical troubleshooting, compressor training, condenser training, refrigerant piping practices, DDC controls, and more are held in various cities across North America.

Select training programs offer Continuing Education Units (CEUs) and NATE Continuing Education Hours (CEHs).

In addition, RSES offers industry certification preparation materials for refrigerant handling (EPA Section 608), R-410A and North American Technician Excellence (NATE) examinations.

RSES’ monthly magazine, RSES Journal, serves HVAC contractors, service technicians, students, operations/maintenance managers, engineers and technicians who work in the residential, light commercial, commercial and institutional markets on air conditioning, warm-air heating, refrigeration, ventilation, electrical, ice machines, chillers, hydronic heating, piping, refrigeration control and energy management, building automation, indoor air quality and duct cleaning, and sheet metal fabrication equipment and/or systems.
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