Settings advice for Fleck 5600SXT

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kurizma

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I've read through a bunch of posts on settings but they vary so much. I just got a water softener installed and I don't think the person who installed it programmed it optimally.

Here are the details of my system:
City water with sediment and carbon filter before softener
3 people in the house (may go up to 4 soon) and we probably use more than average.
Hardness per Hach 5 B test: 12
5600sxt
2 cu. ft resin
Injector 2 3.5 gpm
.5gpm / 1.5lb salt/min blfc
Turbine flow meter

Any suggestions on setup would be helpful. Thanks in advance.
 

Reach4

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System info (not programmed)
salt lb/cuft = 6.75 ; A choice ( efficiency vs capacity)
BLFC = 0.5 ; Brine Refill rate GPM
cubic ft resin = 2 ; ft3 resin = (nominal grains)/32,000
Raw hardness = 13 ; including any compensation
People = 4 ; gallons affects reserve calc
Estimated gal/day = 240 ; 60 gal per person typical calc
Estimated days/regen = 14.13 ; Computed days ignoring reserve

Fleck 5600SXT Settings:
DF = Gal ; Units
VT = dF1b ; Downflw/Upflw, Single Backwash
CT = Fd ; Meter Delayed regen trigger
NT = 1 ; Number of tanks
C = 43.1 ; capacity in 1000 grains
H = 13 ; Hardness-- compensate if needed
RS = rc ; rc says use gallons vs percent
RC = 240 ; Reserve capacity gallons
DO = 28 ; Day Override (28 if no iron)
RT = 2:00 ; Regen time (default 2 AM)
BW = 5 ; Backwash (minutes)
Bd = 60 ; Brine draw minutes
RR = 5 ; Rapid Rinse minutes
BF = 9 ; Brine fill minutes
FM = usually t0.7 ; flow meter, make note of what is there

============================================
Alternative C and BF pairs:

lb/cuft ; C= ; BF=

5.250 ; 37.2 ; 7
6.000 ; 40.0 ; 8 (a little lower salt usage)
6.750 ; 43.1 ; 9 (the one selected in the above settings suggestion)
7.500 ; 46.1 ; 10 (a little softer)
8.250 ; 48.9 ; 11
 

kurizma

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Thanks for the response. I went through my settings and they look really off.

DF: GAL
VT: dFlb
CT: Fd
NT: 1
C: 24 (why so low?)
H: 13
RS: SF
SF: 25
DO: 14
RT: 2:00
BW: 10
BD: 60
RR: 10
BF: 12
FM: t1.0

I did some searching into the turbine size and is there even a 1" turbine meter for the the 5600sxt available?
 

Reach4

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Check that your tank is 12" x 52".

As to why those settings, it looks like they were not set up in advance, and maybe there were setup instructions with different settings? Those settings you found don't look like they would be suitable for any system unless we figure a different BLFC.

BW and RR settings are not too critical. Less uses less water.
 

kurizma

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20181106_170028.jpg 20181106_170140.jpg

I just measured the tank and it is 12" x 53". I've attached pictures of the drain and fill stickers. Now that I have a closer picture not sure if it's 1 or 2.

Thanks,
 

Reach4

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I just measured the tank and it is 12" x 53". I've attached pictures of the drain and fill stickers. Now that I have a closer picture not sure if it's 1 or 2.
Either would be OK, oddly enough.

If you wanted to look,
#1 Injector - White (draws the brine in about 15 minutes)
#2 Injector - Blue (draws the brine in about 11 minutes)

I would prefer the #1 but the #2 is good too. BD=60 is suitable for either.
 

kurizma

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Thanks guys. Going to test these settings for the next couple cycles and see how it goes.
 

kurizma

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I checked the water report from the city and it looks like there is 105 ppb (.105 ppm) of iron. Is this enough to consider setting the DO lower to 14?
 

Reach4

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I checked the water report from the city and it looks like there is 105 ppb (.105 ppm) of iron. Is this enough to consider setting the DO lower to 14?
No. For city water, the iron will have precipitated out by the time it gets to you. So presume the iron in the water to be softened is zero.
 
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