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How to install a/c capacitor

How do you install a replacement capacitor ? Thanks.

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  • scoot50 May 26, 2008

    It is a GE window air conditioner Model # AGD14AAG1 and we need to install a replacement capacitor. How do you install the replacement capacitor ?


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Hi scoot

Is a simple procedure, just change the existing capcitor for a new one. Do you have the old one still fitted to the unit? I will be able to steer you through it


Posted on May 26, 2008

  • 1 more comment 
  • Graeme Ross
    Graeme Ross May 26, 2008

    The capcitor is a cylindical shaped device that fires up the start circuit pof your A/C. have you got the covers off yet. FIRST be sure to disconnect fully from the power supply. If you do not have a circuit breaker next to the unit, then you will need to isolate it from the mains powwer supply. You will need to remove it from the window.

  • Graeme Ross
    Graeme Ross May 26, 2008

    Air Conditioner Capacitors

    There are two critical specifications that need to be identified when
    looking to replace an air conditioner's fan or compressor run
    capacitor, the voltage and the capacitance rating in microfarad (uF or
    MFD). The physical size and shape (round/cylindrical or oval) is
    irrelevant except for mounting considerations and you will often find
    newer capacitors considerably smaller then old ones of the same rating.

    a replacement you can use an alternative of a higher voltage rating
    without any problems but the capacitance should be within 10 percent of
    the original but an exact replacement is always best.

    models may utilize a 'dual' capacitor where the compressor and fan
    motor capacitor are built into one. On this type you will see 3 groups
    of terminals across the top of it. There will be one set of common
    terminals, one group for the fan motor and another for the compressor

    The common terminals on a dual capacitor will usually be indicated with
    the letter "C" near the associated terminal set, the fan side may or
    may not be indicated. The compressor will almost always be indicated
    with the word "herm" (short for hermetic) indicating part of a
    hermetically seal system (which the compressor is part of).

    Dual capacitors are usually considerably more expensive to replace than single purpose ones.

  • Graeme Ross
    Graeme Ross May 26, 2008

    I searched for a service manual for you to make the job easy, but did not find much of anything unfortunatly. I was able to locate a source for the part you need. :)

    You can purchase the part you need online from here

    The part is not hard to change, as it mounts with a clamp, and has some wires connected to it. They just need to be replaced to the new part as removed from the old one. If you need more advice, or just a confidence boost.. :)
    I am here to help, just let me know.

    Thanks for using FixYa



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