testing 3 wire pump

Discussion in 'Pumps and Tanks Well Forum & Blog. Water is life.' started by bordercollie050, Mar 30, 2015.

  1. bordercollie050

    bordercollie050 Member

    Joined:
    Sep 20, 2014
    Location:
    Iowa
    My control box looks shot and I'd like to test the pump before pulling it.

    Can I directly connect a 220 volt line to the pump wires? I have 4 wires (red, black, yellow, and green). I know this isn't like a stove with 2 hots and a ground

    pump is 3/4 hp

    ideas?
     
    Last edited: Mar 30, 2015
  2. craigpump

    craigpump In the Trades

    Joined:
    Apr 12, 2012
    Occupation:
    Self employed water system tech
    Location:
    Connecticut
    No you can't, a three wire pump needs a control box.
     
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  4. bordercollie050

    bordercollie050 Member

    Joined:
    Sep 20, 2014
    Location:
    Iowa
    If I buy a control box, will it still work if I don't have a pressure switch on the line yet?
     
  5. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    Yes, but you want the pump in water. You might put it into an open barrel or a tall garbage can and run the pipe back into he garbage can. You might want to check if somebody thinks that would be a problem by not offering enough backpressure. I have never done it.
     
  6. bordercollie050

    bordercollie050 Member

    Joined:
    Sep 20, 2014
    Location:
    Iowa
    I want to test the pump before pulling it - (the piping looks pretty old otherwise I wouldn't bother pulling the pump).

    Anyhow just purchased a new well controller that will arrive in a few days.

    thanks!!
     
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