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  1. #1
    Join Date
    Sep 2010
    Location
    manchester
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    51
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    Integral dryer on compair



    Hi
    can I get some advice on a integral dryer in a compair air compressor,I am new to the refrigeration side of things, anyway dryer trips out and I have reset the pressure switch or hp switch dryers runs ok fan comp etc but would like to no what's causing it to trip as when I'm there is seems to run ok with , condenser clean and plant room has plenty ventilation, it runs on r407c

    thanks



  2. #2
    Join Date
    Jun 2010
    Location
    Yorkshire
    Age
    58
    Posts
    522
    Rep Power
    19

    Re: Integral dryer on compair

    What is the HP switch set at? You say the fan is running, the coils clean, and there's plenty of ventilation, maybe the switch needs adjusting to stop the compressor over running.

    Is the dryer sized correctly for the compressed air volume?
    Last edited by chilliwilly; 16-05-2013 at 12:04 AM.
    Training may be finished but experience is never complete.

  3. #3
    Join Date
    Sep 2008
    Location
    england
    Posts
    429
    Rep Power
    20

    Re: Integral dryer on compair

    Is the compressed air inlet to the dryer to high. What type of pressure switch is it? If it`s round one with a reset button on the top that screws directly onto a schraeder fitting replace it with one connected via a capillary tube as the round ones are crap, and as they are fitted onto the pipework they can be affected by vibration.

  4. #4
    Join Date
    Aug 2006
    Location
    england
    Age
    49
    Posts
    3,874
    Rep Power
    46

    Re: Integral dryer on compair

    Clean the condenser even if it looks clean. Check the capacitor on the fan motor.
    Mostly found in Oxfordshire, UK :)

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