学习材料
用通俗易懂的方式掌握考试的每个主题。
Core: Ozone, the Clean Air Act, and the Three R's
Every technician who buys or handles refrigerant must first pass the Core section, because it explains why the rules exist. This chapter covers how refrigerants damage the ozone layer, what Section 608 of the Clean Air Act requires, the recover-recycle-reclaim system, and the production phaseouts that are steadily changing which refrigerants you will work with.
Regulations, Enforcement, and Safety
Beyond the science, Section 608 sets legal duties and safety practices that every technician must follow. This chapter covers the structure of 40 CFR Part 82, the penalties for violations, leak-repair requirements for larger appliances, and the personal protective steps that keep you safe around pressurized refrigerant.
Type I: Small Appliances
Type I certification covers small appliances, the household and light-commercial units that are factory-sealed and hold only a small charge. This chapter defines what counts as a small appliance and explains the recovery percentages, vacuum levels, and techniques that Type I work requires.
Type II: High-Pressure Appliances
Type II certification covers high-pressure and very-high-pressure appliances, from residential split systems to supermarket racks. This chapter defines the high-pressure category, lists the required evacuation levels, and reviews the leak-detection and recovery techniques you will use on these systems.
Type III: Low-Pressure Appliances
Type III certification covers low-pressure appliances, the large centrifugal chillers that use refrigerants like R-11, R-123, and R-1233zd. Because these machines run in a vacuum, they demand special recovery levels, careful pressurization limits, and equipment such as purge units. This chapter walks through the facts unique to low-pressure work.
Recovery, Recycling, and Reclamation
Recovering refrigerant correctly is the daily heart of Section 608 compliance. This chapter defines the three levels of refrigerant processing, explains the AHRI 700 reclamation standard, and details the equipment, cylinders, fill limits, and records that safe, legal recovery requires across all appliance types.