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Thread: ISO68 oil / R422D
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08-02-2011, 11:37 AM #1
ISO68 oil / R422D
I need to convert a chiller from R22 to R422D or equivalent. The chiller has a semi-hermetic screw on it which runs on ISO68 oil. I know this oil is designed for ammonia use but will I be ok converting this system to R422D?
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