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  • Users: tk
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  1. tk

    Evaporator coil loss of heat transfer

    &nbsp;&nbsp;It has come to my attention that when compressor discharge temperatures rise in the 300 / 325° range, a insulating barrier can form on the interior tubing walls. The system spec's are R-502 with alkybenzene oil.<br>&nbsp;This has been named &quot;coke&quot;. I have seen compressor...

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