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CRO valves has some great literature on how to adjust
a cro valve.


  • dmy hvac
    dmy hvac Member Posts: 33

    was wondering how you set a cro valve? i have been taught diffrent ways seems no one i know is for sure. do you do it by compressor amp draw?is the only purpose to prevent liquid flooding back on start up?? any help is appreciated!!
  • Eugene Silberstein
    Eugene Silberstein Member Posts: 1,380
    You are correct

    You should examine the compressor nameplate and determine the maximum apmerage at which the compressor should safely operate.

    Then, with the compressor operating, you can adjust the valve accordingly.

    Best of luck.
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