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STC1000 controller with a 20A contactor

Discussion in 'Electronics, Hardware & Software' started by Drewgong, 25/9/19.

 

  1. Drewgong

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    Posted 25/9/19
    Hey guys ive got a 3600w 15A element for my hlt. I plugged it into a stc 1000 and it cooked it i later realised stc1000 is rated to 10A. Ive been told to use a 20A contactor in conjunction with a stc1000 to handle the element. Can anyone help out with a wiring diagram.
     
  2. MHB

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    Posted 25/9/19
    You can get a 30A STC-1000 from eBay, same wiring. I'm sure there are plenty more this is just the first one that came up when I searched.
    Mark
    upload_2019-9-26_4-21-22.png
     
  3. Grmblz

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    Posted 26/9/19
    Just be aware that the 30 amp controllers only control one element, cooling or heating not both, which is fine for your application, and a lot easier than mucking about with contactors.
     
  4. Drewgong

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    Posted 26/9/19
    Damm i couldn't find one when i was looking . Ive already bought the controller and contactor
     
  5. koshari

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    Posted 26/9/19
    Get a solid state relay of you have some xlv. Otherwise run the switched 240 from the controller to the contactor coil a connector. Then run unswitched 240 to the contactor contact and the other side of the contactor to the load. You will also need a neutral on the b connector on the contactor coil.
     
  6. Drewgong

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    Posted 26/9/19
    All good fellas talked to a sparky today he drew me up a simple diagram
     

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