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  1. #1
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    city multi PURY P250 YMF



    Hi

    Im having issues with a City multi PURY P250 YMF.

    It seems to run in heating mode fine - but when it runs in cooling it trips out on HP straight away. I suspect that the 4 way valve may be stuck? how can I prove this - and if it needs to be changed - how big a job is that?

    thanks



  2. #2
    Join Date
    Aug 2007
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    Re: city multi PURY P250 YMF

    I would think of the check valve CV1.

  3. #3
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    Re: city multi PURY P250 YMF

    Thanks, I intend having a look at this in the next few weeks- before we need To go in to cooling mode. Apparently Mitsubishi do a check valve repair kit - you ever overhauled one ? I have units either side so only have access from the front and rear

  4. #4
    Join Date
    Aug 2007
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    Re: city multi PURY P250 YMF

    I don't think any check valve is reparable, it supposed to be changed.
    BTW, besides CV1, the CV7 check valve could be a problem. This valve works in cooling mode only.
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    Last edited by narkom; 06-01-2023 at 05:01 PM.

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