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Led grow light diode replacement help

Discussion in 'LEDs and Optoelectronics' started by Shelby.elrod22, Jun 28, 2018.

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  1. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    I was given some grow lights with multiple diodes that burnt out some even melted my question is how do I figure out what wattage diodes I need the light has no brand name or anything on it thanks
     
  2. kellys_eye

    kellys_eye

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    Jun 25, 2010
    Got any pictures? Your question is 'meaningless' without them.
     
  3. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    Yes
     

    Attached Files:

  4. Alec_t

    Alec_t

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    Jul 7, 2015
    :confused: Your LED light specifies mains AC input, 1200W, whereas the LED Driver puts out DC at 21-36V, 1.5A max. Clearly the LED Driver is not intended for that light.
     
  5. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    That is the driver it came with maybe the 1200 watt claim is false
     
  6. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    There is 5 drivers total
     
  7. kellys_eye

    kellys_eye

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    How many LEDs are there in total (including all the burned out ones)?
     
  8. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    120 lights
     
  9. kellys_eye

    kellys_eye

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    Jun 25, 2010
    If there is only ONE driver unit (the one labelled 50W) then each LED will have a power of 120/50 or approximately 0.5W (to be on the safe side it is recommended that you use somewhat LESS LED wattage than the driver can provide so, more accurately speaking, the LEDs should be nearer 0.3W or 0.4W to give a total wattage of 120 x 0.3 = 36W, or 120 x 0.4 = 48W)

    Whatever - all you can fit is a total of 50W assuming that 50W driver is the ONLY ONE.

    If there are 10 or 12 LEDs PER DRIVER (assuming there's more than one.....) then each LED will be rated at around 4 or 5 watts.

    They LOOK like 1W LEDs but looks can be deceiving.

    You should gather from the confusion that abounds in this thread that telling us EVERYTHING about your setup is the only way to get the right answer.

    So - how many drivers?
     
  10. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    There are 5 drivers total
     
  11. kellys_eye

    kellys_eye

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    Jun 25, 2010
  12. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    Ok thanks very much how did u figure that out as I would like to try to understand this stuff a lil more I have zero electric repair experience and want to learn thank u everyone for their time
     
  13. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    One other question then the stick that says led power 1200 w is that a false claim then or are they saying the leds equal that compared to a normal light
     
  14. kellys_eye

    kellys_eye

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    Jun 25, 2010
    That's more the case - they certainly don't consume 1200W themselves!
     
  15. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    Ok thanks again so much for ur time it means a lot
     
  16. BobK

    BobK

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    Jan 5, 2010
    You show two different drivers. What are the other 3? I suspect someone replaced one or more of the original drivers with ones of higher output and that is what caused the failure.

    Bob
     
  17. Shelby.elrod22

    Shelby.elrod22

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    Jun 28, 2018
    One pic is a power supply the other that says led driver is the the driver that matches the other 4 it was a very cheap light to begin with
     
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