Certification Study Guide
AMERICAN TRAINCO ™
For Air Conditioning and
Refrigeration Technicians
™
Formerly Offered Through Martin Learning, Inc.
AMERICAN TRAINCO™
©2014 American Trainco™, LLC SGEPA 003 1014 CALL 1-877-978-7246 (1-877-97-TRAIN) www.AmericanTrainco.com
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,EPA 608 Technician Certification Study Guide 1
Table of Contents
About this Guide ................................................................................................................. 4
About EPA 608 Testing ...................................................................................................... 5
Preparing for the Test.......................................................................................................... 6
Strategies for Taking the Test ............................................................................................. 6
Core Section ................................................................................................................................... 8
Ozone ...................................................................................................................................... 9
Ozone Depletion ................................................................................................................. 9
Destruction Process of Ozone ............................................................................................. 9
Ozone Review Questions ............................................................................................... 11
Clean Air Act & Montreal Protocol ...................................................................................... 12
Clean Air Act .................................................................................................................... 12
Punishment for Violating the CAA................................................................................... 13
Montreal Protocol ............................................................................................................. 13
Clean Air Act and Montreal Protocol Review Questions ............................................. 13
CAA Phase-out of CFCs and HCFCs ............................................................................... 14
CAA Venting .................................................................................................................... 14
CAA Disposal ................................................................................................................... 14
CAA Phase-Out, Venting, and Disposal Review Questions .......................................... 14
Refrigerant Oils ................................................................................................................. 15
Oil Types ........................................................................................................................... 15
Oil Properties .................................................................................................................... 15
Substitute Refrigerants ...................................................................................................... 16
Substitute Refrigerants and Oils Review Questions...................................................... 17
Refrigeration Process ........................................................................................................ 18
Refrigeration Review Questions ................................................................................... 19
General Service & Maintenance ....................................................................................... 20
General Maintenance Review Questions ...................................................................... 20
The Three Rs ..................................................................................................................... 21
The Three Rs Review Questions.................................................................................... 21
Recovery Techniques ........................................................................................................ 21
Recovery Techniques Review Questions ....................................................................... 23
Dehydration Evacuation.................................................................................................... 24
©2014 American Trainco™, LLC SGEPA 003 1014
, EPA 608 Technician Certification Study Guide 2
Dehydration Evacuation Review Questions.................................................................. 24
General Safety ................................................................................................................... 25
General Safety Review Questions ................................................................................. 27
Refrigerant Cylinders ........................................................................................................ 28
Refrigerant Cylinder Review Questions........................................................................ 29
Refrigerant Cylinder Shipping .......................................................................................... 29
Refrigerant Shipping Review Questions ....................................................................... 29
Type I ........................................................................................................................................... 30
Recovery Requirements .................................................................................................... 31
Recovery Requirements Review Questions ................................................................... 32
Recovery Techniques ........................................................................................................ 32
Recovery Techniques Review Questions ....................................................................... 34
Type II .......................................................................................................................................... 36
Leak Detection & Repair .................................................................................................. 37
Leak Detection and Repair Review Questions .............................................................. 37
Refrigeration ..................................................................................................................... 37
Refrigeration Review Questions ................................................................................... 39
Recovery Requirements .................................................................................................... 39
Recovery Requirements Review Questions ................................................................... 40
Recovery Techniques ........................................................................................................ 41
Recovery Techniques for Different Systems .................................................................... 42
Recovery Techniques Review Questions ....................................................................... 42
Type III ........................................................................................................................................ 44
Leak Detection And Repair .................................................................................................. 45
Leaks in a Low-Pressure System ...................................................................................... 45
Purge Units........................................................................................................................ 45
Visual Leak Inspection ..................................................................................................... 45
Leak Checking .................................................................................................................. 46
Leak Detection and Repair Review Questions .............................................................. 46
Recovery Techniques ........................................................................................................ 47
Water-Cooled Condensers ................................................................................................ 47
Oil Removal ...................................................................................................................... 48
Recovery Techniques Review Questions ....................................................................... 48
Recharging Techniques..................................................................................................... 48
©2014 American Trainco™, LLC SGEPA 003 1014