You just replaced a compressorwhich failed mechanically what do pyu do before restarting the unit?

2 Answers

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  • AC compressor? be sure to bleed out the air inside the system.

  • ?
    Lv 4
    2 months ago

    If you are talking about commercial/house  AC units, add a low side filter if it dosn't have one, (there could be metal in the system from mechanical failures)  pull it down with a professional grade vacuum pump to at least 20 microns. If it holds you should be ok to recharge with oil and refrigerant 

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