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  1. 14-05-2018, 10:28 AM #1
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    frank
    frank is offline Super Moderator
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    Re: Merging two refrigerant circuits - URGENT advise needed

    You will probably have oil return issues
  2. 14-05-2018, 04:22 PM #2
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    tsf31
    tsf31 is offline Registered User Hey, I am new to : RE
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    Unhappy Re: Merging two refrigerant circuits - URGENT advise needed

    Quote Originally Posted by frank View Post
    You will probably have oil return issues
    I'll describe the idea I have as of now.

    Merge the 2 lines and introduce solenoid valves so that the line is cut off when the corresponding compressor is OFF.

    Short the Y1 and Y2 in the board of the outdoor unit so that both compressors are always working at the same time. This will avoid pressure difference in both lines.

    Does this eliminate the chances of oil return issues?

    Or should I consider an oil separator or a U in the pipeline?
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