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  1. #1
    Join Date
    Jan 2011
    Location
    Bradford On. Canada
    Posts
    7

    Confused start & run capacitors

    Does it matter if you change a compactior (start) with a run compactior?
    I have gone into to the supplier to find only run compactiors, and I would like to know does it matter.
    Thank You

  2. #2
    Join Date
    Jun 2010
    Location
    North Fl
    Posts
    154
    need more details... What are you trying to do....
    HOW MUCH DID YOU SAY???

  3. #3
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    18,618
    Yes, it does matter. They are not the same.

    We usually dicuss technical topics in the pro residential forum.

    Pros should post their technical questions there, or in pro commercial, as is appropriate.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

    AOP Forum Rules:







  4. #4
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
    3,191
    Start caps and run caps might seem like they are similar, but they are very different. If you swap them around you might end up damaging a motor.

  5. #5
    Join Date
    Apr 2001
    Location
    Western PA
    Posts
    1,801
    Is 'compacitor' what you do to repair a swelled capacitor? Do you use a capacitor compactor?
    Jason

  6. #6
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,142
    Quote Originally Posted by bja105 View Post
    Is 'compacitor' what you do to repair a swelled capacitor? Do you use a capacitor compactor?
    I even googled it and couldn't find out what a compacitor is!

  7. #7
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,748
    if it didn't matter they wouldn't make both kinds.

  8. #8
    Join Date
    Sep 2011
    Posts
    19
    Has anyone noticed a pattern in the types of capacitors that are failing prematurely? I changed a 60 MFD @370 run capacitor on a compressor 4 ton. It was drawing 21.7 amps. With new capacitor the amp draw dropped to 14.1. In the last 10 years I have changed 5 times as many capacitors as I did in the 90's.

  9. #9
    It's just like everything else, made cheaper to keep the share holders wallets fat.

  10. #10
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    18,618
    That's funny. Just the idea of a shareholder with a "fat wallet."

    I think you should be on Leno.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

    AOP Forum Rules:







  11. #11
    Join Date
    Sep 2011
    Location
    wildwood missouri
    Posts
    5
    well so much for a kickstart t05 airexcellencestl.com

  12. #12
    Never seen leno, just facing the facts. Even the almighty trane has been outsourced to China and skimped to the point that its like the rest of the garbage. I'll leave the politics to leno... Just want a good product that will last and is worth the cost and capacitors doesn't fall in that slim category.

  13. #13
    Join Date
    Oct 2010
    Location
    AZ
    Posts
    647
    Quote Originally Posted by chuckcrj View Post
    I even googled it and couldn't find out what a compacitor is!
    That's because the corect spelling is compacitior


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