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  1. #1
    Join Date
    Nov 2006
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    R32 -Use of flares on indoor uniits



    We have just attended an R32 training course and posed the question in regard to indoor units and the use of flares inside the room.

    In some install manuals the manufacturers ask for the flares to be made outside of the room and in others, from the same manufacturer there is no such stipulation.

    We received a reply that there is no special requirement (legislation?) for the location of the flare connections, so the only reason would be for a product requirement.

    We will continue to cut the flares off on wall mounted fan coils and then braze, but on other fan coil types that is not so easy, so until we hear different we will use the flares on those with very short stubs outside the units.

    Comments?


    My tools. Screw driver, Hammer & a Condom:
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  2. #2
    Join Date
    Dec 2010
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    Re: R32 -Use of flares on indoor uniits

    I always braze the indoor connections!!

  3. #3
    Join Date
    Jun 2009
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    Re: R32 -Use of flares on indoor uniits

    That's a question I asked Daikin re VRV indoor units. They said it would invalidate warranty.

  4. #4
    Join Date
    Sep 2007
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    Re: R32 -Use of flares on indoor uniits

    And what is the reasoning behind that decision off flare cutting?
    Properly made and properly tightened flare joint is as good as welded joint! I have proved that (at least to myself) in my 20 and more years of flaring joints for split air conditioners.
    Last edited by nike123; 18-02-2018 at 03:26 PM.
    Now, when I am officialy citizen off EU, I am looking for decent job! For any job offer please check my profile!

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