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Thread: pco carel alarm

  1. #1
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    pco carel alarm



    Hai !!
    Dear all

    I Have central frigo bitzer 75hp water cold condensing unit
    With carel rack controller in this controller shows alarm

    ALARM.. over load,K1ixon
    compressor 1


    But unit manual running is ok ......
    please suggest to resolve problems


    unit make ; central frigo 75 HP
    code ; 00240094501

    compressor make ; bitzer
    type ; screw
    model no ;HSN7471-75-40P

    controller ; carel rack controller
    code ; FLSTDMFC0A
    Last edited by Brian_UK; 18-01-2013 at 07:56 PM.



  2. #2
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    Brian_UK is offline Moderator I am starting to push the Mods: of RE Site Moderator : and general nice guy
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    Re: pco carel alarm

    Have you checked the Klixon?
    Brian - Newton Abbot, Devon, UK
    Retired March 2015

  3. #3
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    Re: pco carel alarm

    hello Brian

    Yes i am checked compressor Relay this continuity is OK
    kirwan motor protectors also this continuity is ok

    I hope Klixon mines this motor protector & Relay
    any more please guide me

  4. #4
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    Re: pco carel alarm

    Hello Brian

    please reply to me because unit not working in auto mode
    it working mechanical mode only

    PCO alarm also not reset

    how solve this problem please .........?

  5. #5
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    Exclamation carel pco

    Dear all

    any carel pco service center in Hyderabad, Andhra pradesh,INDIA.

    Plase give contact details.



    Thanking you

    HUSSAIN

  6. #6
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    Re: carel pco

    hi

    if i know that are you looking for i can help you with technical issues
    or
    there is a carel india office , ask them :
    Carel ACR Systems India Private Limited (CAREL India)
    402 & 403 Vikas Commercial
    Next to Tridev Apartments
    Bhakti Marg, Mulund (West)
    Mumbai 400 080
    tel. +91 22 4119 2929
    fax +91 22 4119 2930
    info@carel.in

  7. #7
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    Re: pco carel alarm

    hi
    check the wiring first, you need to make sure the alarm coming from overload.
    basically controller presume ID1 (for example) as Comp 1 overload digital input, it means if by mistake you connect fan overload to ID1 in case of Fan alarm you are getting comp alarm.

    another thing can be the input latched in to closed position due to high current.

    Behzad

  8. #8
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    Re: carel pco

    Brian - Torquay, Devon, UK
    BASIC MAINTENANCE. If it doesn't move and it should then use WD40. If it moves but it shouldn't then use Duct Tape.

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