Mr. Slim Mismatched Indoor/Outdoor Units
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  1. #1
    Join Date
    Jul 2005
    Posts
    133

    Mr. Slim Mismatched Indoor/Outdoor Units

    Good thing I checked. I asked for an M series 12K BTU Mr. Slim and the installer used an A12 unit indoors and the A09 outdoor unit. (1) Is it OK to run till they fix it? (2) Could this be an error in filling the order by Mits or do they go exactly by the model nos. that the installer asks for ? Thanks.

  2. #2
    Join Date
    Jul 2001
    Location
    Gold Coast of Connecticut
    Posts
    4,568
    I am 99% sure they have to be the same.
    Aire Serv of SW Connecticut- Gas heat, dual fuel and central a/c systems installed and serviced

  3. #3
    Join Date
    Jul 2005
    Posts
    133

    It's an error

    They both have to be A12. I guess I have an undersized compressor for the air exchanger till the A09 gets swapped out.

  4. #4
    Join Date
    Sep 2004
    Location
    Newbury Berkshire
    Posts
    490
    We occasionally mis match these mini splits if they're to be fitted in a server room. Don't worry- it's unlikely to do any damage by running it

    Cheers

    Richard

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