Exam (elaborations)
EPA 608 (TYPE II) Exam Questions and Answers [Graded A+]
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When a new system has been assembled, the first thing to do is? Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? Pressurized with nitrogen then leak checked. The EPA regulations require that any applian...
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