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Home Certification Hydrocarbon Training Study Guide - Third Edition (2017)
 

Hydrocarbon Training Study Guide - Third Edition (2017)

 
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SKU#     111-203e
ISBN     978-1-61607-207-0

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Hydrocarbon (HC) refrigerants were approved for use by the US EPA through their SNAP program in early 2012, for specific refrigeration applications. The RSES HC Study Guide provides you with the knowledge you need to work safely with flammable refrigerants, including: · EPA Regulations · UL Standards · Safety Issues · Refrigerant Properties · Service Procedures · Much, much more! RSES highly recommends only experienced refrigeration professionals handle HCs. You should already have a solid understanding of the refrigeration cycle and proper handling of CFC, HCFC and HFC refrigerants. Use this guide to prepare for the RSES Certificate test (item # 800-404E). If you want to take the full online course (item # 800-403E-CHANGE), this guide is already included as a downloadable PDF.

NATE CEH   8
CEU   0.8

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The mission of RSES in developing this training is to assist the refrigeration technician in understanding the requirements of safely maintaining and servicing systems that utilize those flammable refrigerants currently approved under the EPA’s SNAP program.

There are additional flammable refrigerants that may be approved in the future (e.g., R-1234yf). This training document will be updated (and additional testing and certificates will be required) as new refrigerants are approved.

Note: Portions of this document are excerpted and adapted from materials generously provided by Tecumseh Products Company and by Unilever. Reprinted with permission.

RSES highly recommends only experienced refrigeration professionals handle HCs. You should already have a solid understanding of the refrigeration cycle and proper handling of CFC, HCFC and HFC refrigerants.

 
INTRODUCTION TO HYDROCARBON REFRIGERANTS
Environmental impact
Advantages
Applications and availability
Approved HC refrigerants

REGULATIONS AND STANDARDS
Restricted uses and applications
Unauthorized applications
Labeling
Liability concerns

REFRIGERANT SAFETY
Safety classifications
Flammability hazards
Material safety data sheets
GHS hazard communication labeling
Boiling point
Combustible gas monitors
Health hazards
Handling refrigerant cylinders
HC refrigerant cylinders
Transporting cylinders
Brazing and silver soldering
Rated equipment
Confined spaces

COMPRESSOR TERMINAL VENTING
Hazards from terminal venting
Protective terminal covers

COMPRESSOR CHANGE-OUT (DEFECTIVE COMPRESSOR)
Compressor removal
Compressor installation
Sealing the process tube

SYSTEM FLUSHING, PURGING, AND PRESSURE-TESTING FOR LEAKS

PROPER EVACUATION TECHNIQUES

COMPRESSOR MISUSE
During system evacuation
During system charging
Replacement parts

COMPATIBILITY

SERVICE PROCEDURES, MAINTENANCE, AND

REFRIGERANT HANDLING
Sparking hazards
Leak-testing
Evacuation/pressure-testing
Recovery
Charging
Refrigerant purity
Stenching
Previously modified systems

THE REFRIGERATION CYCLE
Definition of terms
Superheat for refrigeration applications
Subcooling for refrigeration applications
Sample calculations

APPENDIX A

SNAP REGULATIONS:

SUBSTITUTES SUBJECT TO USE RESTRICTIONS
EPA-approved refrigerants and applications (effective April 10, 2015)
EPA-approved refrigerants and applications (effective January 3, 2017)

APPENDIX B

MAXIMUM DESIGN CHARGE SIZES:

TABLES A THROUGH E

APPENDIX C

TEMPERATURE-PRESSURE CHARTS FOR
 
REFRIGERANTS

APPENDIX D

REFRIGERANT PROPERTIES

APPENDIX E

REFRIGERANT CHARACTERISTICS
HFC-32
HFOs

APPENDIX F

TEMPERATURE CONVERSION TABLE

PRESSURE CONVERSION TABLE
 

No material may be returned for credit without prior permission and shipping instructions from RSES Headquarters. Contact 1-800-297-5660 Monday-Friday 8:30 AM - 5:00 PM (CST).

Books, Manuals and Merchandise:

Materials returned after 30 days from original shipment, and with permission, will be subject to a 15% restocking charge. Materials returned after 60 days are subject to a 50% restocking charge. No material will be accepted for return after 90 days from the original shipping date.

CDs and DVDs:

CDs and DVDs are non-returnable once the original carton/package seal has been broken. (Certain exceptions apply. Call with questions).

 
 
 
 
 
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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