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Air conditioner "kickstart" capacitors?

Discussion in 'Electronic Design' started by mook johnson, Aug 1, 2010.

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  1. mook johnson

    mook johnson Guest


    I had the HVAC guy out for my annual cleaning and he suggested I get a
    kickstart for my outside compressor. The AC is working fine but he said it
    would increase the life of it and draw less electricity.

    Heres the link.

    Are these just PFC capacitors or is there something else going on. Looks
    like there is a relay in there and it appears it only engaged when the
    compressor first turns on. Then it switches out for the run capacitor to
    take over.

    Don't really see how that will save that much electricity.

    Is this just a gimmick or am I missing something?
  2. hamilton

    hamilton Guest

    Hmmm, the only Google hit for "Mechanical Potential Relay" is from: & 5 Product Sheet.pdf

    The label on the two products are not the same, but they look the same
    and they have the same function.!!!

    Makes you wonder.....

  3. hamilton

    hamilton Guest

    Google found lots of people that want to see the same product:"Mechanical+Potential+Relay"

    But have not found a true discription.

  4. Nico Coesel

    Nico Coesel Guest

    This is just another scam to make people pay for useless crap. Never
    ever buy devices like these! If such a device where necessary the
    manufacturer of your AC would have included it already. If you are
    concerned about energy consumption by your AC; just buy a new high
    efficiency inverter based AC.
  5. Sjouke Burry

    Sjouke Burry Guest

    I have a nice bridge in Brooklyn, wanne buy it??(real cheap).
  6. Jamie

    Jamie Guest

    Caps get weak on those things, It maybe starting but could be
    dragging the line on start. They don't cost much.. replace it.
  7. It sounds like a way to convert a 3 phase motor to a capacitor start
    motor. It might help an old underloaded motor with a bad power factor.
    It would probably destroy an Energy Star air conditioner.
  8. Nico Coesel

    Nico Coesel Guest

    You are mistaken the running capacitors that produce a phase lag with
    a totally useless product. I see the Kickstart device retail around
    $85 while a new running capacitor will only cost $5 to $10.
  9. JosephKK

    JosephKK Guest

    Just another gimmick. Maybe even bad for your compressor if it a
    capacitor run type.
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