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According to Copeland

COMPRESSOR OVERHEATING- Todays Most Serious Field Problem. ApplicationEngineeringBulletin#17-1260.
Harvey Ramer


  • pecmsg
    pecmsg Member Posts: 2,896

    That’s an old Engineering Bulletin from March 1, 1993. But here it is anyway:

    It has since been revised to "maintain SH 6” from compressor between 20 & 40*f”.