To get the most out of the EPA Section 608 Preparatory Manual 9th Edition V2 PDF, technicians should:
Study smart, know the math, and you will be on your way to legally handling refrigerants and advancing your HVAC career today.
| Mistake | Correction (from V2) | |---------|----------------------| | Using psig for low-pressure appliances | Low-pressure uses mm Hg absolute or inches of Hg vacuum. | | Thinking R-410A is a CFC | It’s an HFC; no ozone depletion, but high GWP. | | Believing “recover to 0 psig” is always correct | For Type III, you pull a vacuum, not just 0 psig. | | Ignoring A2L requirements | New A2L tools & cylinders required as of 2024. | | Forgetting safe disposal rules | Evacuate to 0 psig for hermetic compressors before scrapping. |
