A very large refrigera - Study guides, Class notes & Summaries
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EPA Type 1 PRE-TEST 2024.
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EPA Type 1 PRE-TEST 2024. Recovery device for use with small appliances containing CFCs, HCFCs, and HFCs must meet which of the following requirements? - ANSWER Recovering 90% of the refrigerant when the compressor is operating or acheiving a 4 inch vacuum under the conditions of AHRI 740. Which of the following refrigerants is very high pressure and generally does NOT need to be recovered? - ANSWER R-744 Which of the following is an approved substitute refrigerant for new household refri...
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