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  1. #1
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    Feb 2005
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    Take a look at this pump configuration

    The pump to the right is new and it draws locked rotor amps when started. If I pull the red hose and let it free flow its runs and draws 4.5 amps.

    Anys thoughts? I hate to condemn a new pump.

    Only thing I changed on the pump before installing was rotate the motor 90 degrees for alignment.



  2. #2
    Join Date
    Jul 2018
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    Wisconsin
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    Bad starter and only showing when under load?

    Sent from my SM-G960U using Tapatalk

  3. #3
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    Jul 2018
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    Wisconsin
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    What killed the last one?

    Sent from my SM-G960U using Tapatalk

  4. #4
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    Thread Starter
    Quote Originally Posted by Spitz View Post
    Bad starter and only showing when under load?

    Sent from my SM-G960U using Tapatalk
    New Starter.

  5. #5
    Join Date
    Nov 2011
    Location
    East Side
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    I can’t tell anything from the pic. What are the vertical items? One a pump, one a heat exchanger? What are the brass parts? Valves, check valves? What is the direction of flow? What is contained within the loop?

  6. #6
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    Thread Starter
    Quote Originally Posted by 71CHOPS View Post
    I can’t tell anything from the pic. What are the vertical items? One a pump, one a heat exchanger? What are the brass parts? Valves, check valves? What is the direction of flow? What is contained within the loop?
    Pumps and check valves.

    Two bottom fed pumps and discharges out the 3/4" union.

    Flow to the right.

  7. #7
    Join Date
    Nov 2019
    Location
    San Antonio, TX
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    If it flows to the right,,,from the left, then you are going against the arrow on that check valve. That is if you are talking about the cameras point of view.

  8. #8
    Join Date
    Nov 2019
    Location
    San Antonio, TX
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    Click image for larger version. 

Name:	Screen Shot 2019-12-04 at 7.06.53 PM.png 
Views:	130 
Size:	173.9 KB 
ID:	813243 That arrow is pointing to the left from what I can tell.

  9. #9
    Join Date
    Nov 2019
    Location
    San Antonio, TX
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    Or is that just a fuzzy casting mark?

  10. #10
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    Feb 2005
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    Thread Starter
    Quote Originally Posted by Fred Raud View Post
    If it flows to the right,,,from the left, then you are going against the arrow on that check valve. That is if you are talking about the cameras point of view.
    Both check valves are pointed away from the pump discharge.

  11. #11
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    Feb 2005
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    Florida
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    Thread Starter

  12. #12
    Join Date
    Sep 2002
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    What happens (with all the piping put together) when the left pump runs?

    Is the rotation correct on the new pump?

    PHM
    -------


    Quote Originally Posted by jimp View Post
    The pump to the right is new and it draws locked rotor amps when started. If I pull the red hose and let it free flow its runs and draws 4.5 amps.

    Anys thoughts? I hate to condemn a new pump.

    Only thing I changed on the pump before installing was rotate the motor 90 degrees for alignment.


    PHM
    --------
    The conventional view serves to protect us from the painful job of thinking.

  13. #13
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    Feb 2005
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    Florida
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    Thread Starter
    Quote Originally Posted by Poodle Head Mikey View Post
    What happens (with all the piping put together) when the left pump runs?

    Is the rotation correct on the new pump?

    PHM
    -------
    Pumps on the left runs and has correct flow. I even pulled the cover and checked the rotation on the right side pump.

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