Identifying Compressor Suction and High side pipes

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  • #50258
    eastlmark
    Moderator

    Never thought I would have this problem, always brought up thinking that the thinest of the pipes is always the high side while the 2 fatter pipes are the suction and charge pipes. Fitted an Aspera today and got totally confused and nearly made the error of piping it up wrong, the high pipe was a 7mm pipe, same as the marked suction pipe while the charge was a 5 mm pipe. Something to look out for.

    #304165
    loopey
    Participant

    Re: Identifying Compressor Suction and High side pipes

    lol in 30 years fitting comps made the same mistake this week , i did get the pipes the wrong way round , as being the suction pipe was smaller than normal , gased it up , switched on ff wotched the gauges go up and up lol , well it was monday mornining .. 😳

    a good tip iff not sure blow down 1 of the suction pipes the other will here a sound out of it , .. WE ALL MAKE MISTAKES NOW AND THEN …..

    #304166
    Dales-Electronic
    Moderator

    Re: Identifying Compressor Suction and High side pipes

    Another tip although my fridge instructor would frown is to connect the electric up to the thing and see which stub blows the other two are then suction/charging stubs. 😯

    #304167
    Cras
    Participant

    Re: Identifying Compressor Suction and High side pipes

    it may be frownd on but it works i have fittted loads of the aspera type compressor and it still confuses me :rolls:

    #304168
    eastlmark
    Moderator

    Re: Identifying Compressor Suction and High side pipes

    phew, I almost didnt post the original for fear of embaressment at such a error. Glad to know I am not the only one.
    I had already connected the suction side so blowing up the pipes was not an option at the time.
    Odd thing is that the manufacturer goes to great lengths to point out the suction pipe with a big labeled arrow and yet that is quite obvious while the other 2 are not marked at all. Along with lack of wiring diagrams for some unusual starting devices and never marking the horsepower (yet most suppliers sell them by that rating) ratings they are not making life easy.

    #304169
    adv
    Participant

    Re: Identifying Compressor Suction and High side pipes

    was alwaysthe the thinner pipe. oor at a different hight to the other pipes any of you done dip 6816 f/f. was freezing milk an veg. chande state still doin same 😳

    #304170
    pup
    Participant

    Re: Identifying Compressor Suction and High side pipes

    Dales-Electronic wrote:Another tip although my fridge instructor would frown is to connect the electric up to the thing and see which stub blows the other two are then suction/charging stubs. 😯

    that what i do 😆

    #304171
    eastlmark
    Moderator

    Re: Identifying Compressor Suction and High side pipes

    cannot believe, 2 years later I just fallen for this big time,3 hours of a Friday before bank holiday x 2 wasted sorting it out. Appears to be only Embarco 1/6 compressors as the 1/5th on my van reverts to the normal rule.

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