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  1. #1
    Join Date
    Dec 2007
    Location
    north suburbs of Chicago
    Posts
    513

    Hard start kit opinions.

    Ok before summer gets here, and it can't come soon enough, I am looking for feedback on hard start kits.
    I have tried a few of the more popular brands with limited success as far as how long they last. They have eliminated problems for me with that occasional unit that may trip the breaker especially on a short cycle.

    I have had a number of these kits blow however. Am I blaming the kits or is there another reason that this might happen? I am sizing them correctly and yes I do check the run cap before even considering a start assist.

    I also understand that not all can be used with scroll comps for some reason.
    If you have had great luck with a specific brand please let me know.
    Thanks

    post is a byproduct of txvs and equalizers
    Last edited by Glennhvac; 03-09-2012 at 03:31 PM.

  2. #2
    Join Date
    Feb 2012
    Location
    Opelousas La.
    Posts
    90
    I use the 5-2-1 and the TO5 kits. We use them on all recip compressors if the indoor has a hard shut off txv. Was recommended by a factory rep not to put them on a scroll unless having problems with it.

  3. #3
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,914
    I've been using the 5-2-1 kits and not had any problems in a few years.
    When they first came out, I had a couple of the potential relays fail in situations where the continuous coil voltage was >400v, but I think they have upgraded the relay since then, as I've seen no more failures.

    I use one of the Kickstart 2 wire kits for diagnostics, but I stopped installing them because they don't fit in most of the corner access panel units, which have become the norm.

    I'd stick to start kits that use a potential relay, and avoid ones that use a PTC or electronic relay.

    Note that most potential relays have a side that needs to face up, and may not operate correctly if installed the wrong way.
    If more government is the answer, then it's a really stupid question.

  4. #4
    Join Date
    Jun 2011
    Location
    Houston area
    Posts
    1,493
    Ditto what Mark said....
    The picture in my avatar is of the Houston Ship Channel and was taken from my backyard. I like to sit outside and slap mosquitos while watching countless supertankers, barges and cargo ships of every shape and size carry all sorts of deadly toxins to and fro. It's really beautiful at times.....just don't eat the three eyed fish....

    ¯`·.¸¸ .·´¯`· .¸>÷÷(((°>

    `·.¸¸..· ´¯`·.¸ ¸.·´¯` ·.¸>÷÷(((°>

    .·´¯`· .¸>÷÷(((°>

    LMAOSHMSFOAIDMT

  5. #5
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    17,907
    Quote Originally Posted by mark beiser View Post
    I've been using the 5-2-1 kits and not had any problems in a few years.
    When they first came out, I had a couple of the potential relays fail in situations where the continuous coil voltage was >400v, but I think they have upgraded the relay since then, as I've seen no more failures.

    I use one of the Kickstart 2 wire kits for diagnostics, but I stopped installing them because they don't fit in most of the corner access panel units, which have become the norm.

    I'd stick to start kits that use a potential relay, and avoid ones that use a PTC or electronic relay.

    Note that most potential relays have a side that needs to face up, and may not operate correctly if installed the wrong way.
    I second this post. 5-2-1, no problems.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  6. #6
    Join Date
    Dec 2007
    Location
    north suburbs of Chicago
    Posts
    513
    That's already 3 for the 5-2-1 and I can't even recall seeing these at a couple of my regular supply places. Have to check the J folks.

  7. #7
    Join Date
    Jul 2000
    Location
    Guayaquil EC
    Posts
    10,264
    Here's a great video about hard start kits made by PaysonHVAC:

    http://www.youtube.com/watch?v=jFFRpxFkpcM

  8. #8
    Join Date
    Dec 2007
    Location
    north suburbs of Chicago
    Posts
    513
    Quote Originally Posted by icemeister View Post
    Here's a great video about hard start kits made by PaysonHVAC:

    http://www.youtube.com/watch?v=jFFRpxFkpcM
    Well that answered it right away. POS super boost. That's what I thought as I have had enough blow apart

  9. #9
    Join Date
    Jun 2011
    Location
    Houston area
    Posts
    1,493
    The old SuperBoost has been around a loooong time. I must've installed a hundred of them back in the 80's and they worked. They are still cheap to buy but I wouldn't risk callback with one. They are great for diagnostics. The 5-2-1 is pretty pricey but your reputation is worth it.

    Nice video Icemiester!
    The picture in my avatar is of the Houston Ship Channel and was taken from my backyard. I like to sit outside and slap mosquitos while watching countless supertankers, barges and cargo ships of every shape and size carry all sorts of deadly toxins to and fro. It's really beautiful at times.....just don't eat the three eyed fish....

    ¯`·.¸¸ .·´¯`· .¸>÷÷(((°>

    `·.¸¸..· ´¯`·.¸ ¸.·´¯` ·.¸>÷÷(((°>

    .·´¯`· .¸>÷÷(((°>

    LMAOSHMSFOAIDMT

  10. #10
    Join Date
    Dec 2007
    Location
    north suburbs of Chicago
    Posts
    513
    Well I am sold on these 5-2-1's now. They are essentially like the good old factory installed old style start kits. Problem is I am not seeing them on my local suppliers sites.

  11. #11
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,914
    One thing I've been itching to try out is the Emerson Electronic Smart Starter.
    http://www.alcocontrols.com.pl/alco/...ESC__35055.pdf

    I find it interesting that it actually reduces the peak starting current.
    Conventional start kits only reduce the duration of the peak.
    If more government is the answer, then it's a really stupid question.

  12. #12
    Join Date
    Apr 2007
    Location
    Saint Augustine, Florida, United States
    Posts
    1,149
    Quote Originally Posted by mark beiser View Post
    One thing I've been itching to try out is the Emerson Electronic Smart Starter.
    http://www.alcocontrols.com.pl/alco/...ESC__35055.pdf

    I find it interesting that it actually reduces the peak starting current.
    Conventional start kits only reduce the duration of the peak.
    thanks, I have been trying to get some info on soft starts for a food truck customer. he plugs in the truck at different locations and blows breakers. I guess that is what emerson is up to with this.

  13. #13
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,050
    I see they already have you convinced on the 5-2-1. They don't know what they are talking about.

























    Just kidding. In my opinion there is only one hard start kit, the 5 2 1.

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