Study Tip: The EPA 608 exam is closed book. Memorize: recovery is required before opening any refrigerant system. Venting refrigerant is illegal. Know the ODP and GWP values for R-22, R-410A, R-134a, R-32, and R-454B.
Question 1: What is the advantage of heating the system before evacuating it?
- Reduces the dehydration time
- increases the efficiency of dehydration
- increases the pressure in the system
- reduces the refrigerant leakage during evacuation
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