Need help programming new Fleck SXT timer

Discussion in 'Water Softener Forum, Questions and Answers' started by paul.thk, Jul 24, 2014.

  1. paul.thk

    paul.thk New Member

    Joined:
    Jul 22, 2014
    Hello,

    I bought a used Aquativa Water Softener (TwinFlo 100e) twin tank system from my sister.
    Unfortunately, I needed to replace the old timer with the new Fleck SXT Timer and having a hard time programming it.

    Below is the info.
    2 adults and 3 kids household
    Municipal Water
    Location = San Antonio, TX
    Two resin tanks = 8 x 44 (24,000 grains each tank)
    Brine tank = 18"x33"
    0.5 GPM with 1.5 lb Salt/min
    3/4 plumbing

    Currently I program the timer below
    DF = GAL
    VT = dF1b
    CT = FI
    H = 20 (based on local installer from years ago)
    NT = 2
    C = 24,000
    DO = 14
    BD = 60 mins
    BF = 15 mins
    BW = 10 mins
    RR = 10 mins

    Are the settings above appropriate?
    How much salt do I have to leave in the tank in order to have the system running efficiently?

    I appreciate any helps and advice. Thanks!
     
  2. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    Each tank 0.75 cuft of resin. For efficient 6 lb of salt/cuft,
    C=15,000
    BF=3 minutes.

    C is down some, but BF is down a lot compared to your original numbers.

    That is 4.5 pounds of salt, which is 6 pounds per cuft.

    I did not look at the rest of your settings.

    I like to tilt my salt level to have some salt sticking out of the water, and some water above some of the salt. Many put a lot more salt in to not have to visit the brine tank as often. If you overdo it, you can develop a salt bridge. I may under-do it. :)

    I am not a pro.
     
    Last edited: Jul 24, 2014
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  4. Gary Slusser

    Gary Slusser That's all folks!

    Joined:
    Aug 31, 2004
    Occupation:
    Retired
    Location:
    Wherever I park the motorhome.
    You need to look up the max hardness in the water system and program for that; the water co. annual report will have that info, or call them.

    You can reduce the BW to 8, RR to 6, BD to 50, BF and C to what Reach said.
     
  5. paul.thk

    paul.thk New Member

    Joined:
    Jul 22, 2014
    I will try that. Thanks!
     
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