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03-12-2007, 12:45 AM #1
Change R22 to R417 on panasonic airco.
Hello guys,
I have to replace the refrigerant of 8 panasonic airco units to R417. My boss says I can just recover the R22, vacuum the system and put R417 on it. Is this true?
Do I have to use the same amount as if it is R22?
Thanks!
Eric.
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