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Thread: Hard Start Kit

  1. 03-21-2009, 02:28 AM #1
    riderman
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    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?
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  2. 03-21-2009, 10:38 AM #2
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    jmac00
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    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. 03-22-2009, 02:22 AM #3
    riderman
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    [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.
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  4. 03-22-2009, 08:49 AM #4
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    jmac00
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    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. 03-22-2009, 08:53 AM #5
    badbillr
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    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.
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  6. 03-22-2009, 09:53 PM #6
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    local553
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    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.
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  7. 03-22-2009, 10:07 PM #7
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    beenthere
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    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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