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Thread: Hard Start Kit

  1. #1
    Join Date
    Jul 2006
    Posts
    613

    Hard Start Kit

    While I was looking at Goodman/vrs Amana HP systems that I wanted to have installed, I noticed the Goodman SSZ140361 CU recommended a hard start kit if the unit was installed with AHU AEPF303616 and a TXV.

    The Amana ASZ140361 (installed with the same AHU) manual does not make this statement.

    What Gives? I thought they were basicly the same system except for a noise deadning blanket on the scroll compressor, and a couple other non operational issues.

    Does a hard start kit hurt or damage a HP if it is installed but not needed\required?

    Should I have a HVAC guy install a hard start kit in my Amana ASZ140361 with AEPF303616 AHU with a TXV?

  2. #2
    Join Date
    May 2000
    Location
    Rochester, NY, USA
    Posts
    14,288
    Are both units R410a???

    One unit maybe a R22 system with a FCCV.(Flow control valve, or restricter piston) These type systems don't generally need a Hard start!!
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  3. #3
    Join Date
    Jul 2006
    Posts
    613
    [QUOTE=jmac00;2842042]Are both units R410a???

    Yes, they are both 410A. Both with TXV. (going for the 15 SEER) That is why I posted the question for you pro's. I doesnt make sence to me anyway.

  4. #4
    Join Date
    May 2000
    Location
    Rochester, NY, USA
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    14,288
    where in the country are these being installed??? In the south??? or the North?

    I guess it would boil down to design/engineering philosophy, whether they install a hard start or not?

    The hard start will not hurt anything. It is simply a large capacitor/relay to help the compressor motor start when under adverse condition, like when it's really cold out.
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  5. #5
    Join Date
    Dec 2002
    Location
    Tampa, Florida
    Posts
    706

    the txv is a...

    the txv is a hard shut off valve, does not equalize the system pressures when the system is not running. I prefer to refer to them as "start assists", as oppsed to, a "hard start" kit.

    I install start assist kits in all of my C.U. installations. Fellas @ the parts houses know to include a kit anytime I come to get a unit.

  6. #6
    Join Date
    Mar 2009
    Location
    central illinois
    Posts
    532
    they will not hurt anything may give a little longer life to compressor. txv has equalizing line. if unit has heater on compressor you should be good to go.

  7. #7
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,929
    Quote Originally Posted by local553 View Post
    txv has equalizing line.
    Equalizer line. is not for equalizing the high and low side during the off cycle.
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