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Thread: New pump with CSV continued to cycle

  1. #1
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    NJ, USA.
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    New pump with CSV continued to cycle

    Hi everyone,
    I appreciate your help and input to the following problem:

    My well water pump was recently replaced by a well pump contractor.
    He installed a 1 HP submersible pump with a cycle stop valve (rating not known), new presure switch, and pressure guage.

    The cut in and out pressures were set at 60psi and 75psi respectively.

    I noticed that as I opened a faucet, in 5-10 seconds, the pump turned on when water pressure droped below 60psi. It then turn off after a few seconds because the pressure quickly went up to 75psi.

    I read on the existing tank label that it was precharged at 30 psi, and that the pump pressure switch should be set at 30 psi.

    My questions are:
    1. Was the pressure switch correctly set? the CSV did not seem to work properly, in my opinion.

    2. Should the tank precharge air pressure be reset to 50psi or other value?

    3. With cut-in and cut-out pressure set so high, is there the risk of rupturing the membrane or blader?

    What would yoy recommend me to do to correct the problem?

    The contractor insisted there is nothing wrong with his installation.

    Thank you for your help.

  2. #2
    Senior Member
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    Lubbock, TX, USA.
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    Is is a red and white plastic Cycle Stop Valve or a Brass one with a bolt sticking out the top? As long as the faucet is open, the pump should not shut off.

    Cycle Stop Valve Website

  3. #3
    A pressure switch setting of 60/75 is pretty high, and Valveman, correct me if I'm wrong (I'm hardly ever wrong) but the red and white CSV max off the shelf setting is 60 so it's regulating on the lower switch setting, a potential problem. The pre-charge on the bladder tank should be 2 psi less than the pressure switch turn on setting, however if you didn't watch the well guy the only way you would know is turn off the power drain the tank and measure the pressure in the bladder. To re-pressurize the tank in a few seconds from 60 to 75 indicates very little pressure in the bladder or none at all. Did the well guy check out your tank?

    Rancher

  4. #4
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    Hi Valveman and Rancher,
    Thanks so much for your responses.
    I was told the CSV would be installed in the well. I have been unable to get any further information from the contractor.

    "Did the well guy check out your tank?" -- He should have. But I doubt if he did, now that he refused to return my calls -- after he got paid $1887 for replacing the 1 HP pump. (I don't want to stop payment thru the credit card company.)

    To stop the pump from recycling, I had reset the pressure switch to 30 - 50psi and the pump worked OK, but the water pressure has been slightly low for normal use.

    Should I again reset the pressure switch to 50 - 70 psi??? Thanks!!!!


  5. #5
    Senior Member
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    If you have a 60 PSI Cycle Stop Valve in the well, you will need to run the pressure switch up to at least 50/70. Lowering the setting to 30/50 should have made the cycling worse. So I don't understand what is going on. It may be a tank problem. Check the air in the tank. For 50/70 pressure switch you need at least 45 PSI of air in the tank. Let me know. We will figure it out and get you up and working.

    Cycle Stop Valve Website

  6. #6
    Pump guy speedbump's Avatar
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    Murphy, NC. USA.
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    It sounds like one of my competitors did this job. Stick em, then don't return calls when it don't work. Real nice guys.

    bob...

    Products and Pricing

  7. #7
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    Thanks again for your advices.

    I will try to contact the well pump installer on the one hand, and add air to the tank to raise the pressure to whatever psi you think would be best (45psi - 60psi?)

  8. #8
    Senior Member
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    Air pressure in the tank needs to be about 45 PSI. Pressure switch needs to start pump at 50 and off at 70 PSI.

    Cycle Stop Valve Website

  9. #9
    See I told you guys that those CSV thingie's don't work...

    [:x)]

    Just Kidding

  10. #10
    Senior Member
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    Well Rancher your right this ones not working. Got to figure out why. Other than regulating a little high, we have very few problems with them. It's usually something else not quite right, just got to figure out what. Its a simple valve though. If there is something wrong with it, and its not full of rocks or tape or something obvious, not much you can do but swicth it out. It's rare but it happens. Check everything else out first though, 90% of the ones we get back for warranty, there is nothing wrong with. The test is to run a shower or a kitchen sink by itself, and if the pump never shuts off, it's working. If the pump shuts off while water is running, something is not right. Not going to be close to a computer tomorrow so, if you guys need some help call 800-652-0207 and one of the guys will help you out. Will check back ASAP.

    Cycle Stop Valve Website

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