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Thread: Help with pump schedule

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    Join Date
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    Help with pump schedule

    All right to start here are my specs:
    15,000 gal vinyl
    Superflow-vs pump (1.5hp)
    Speed options from 600-3450
    Three programmable "steps"
    Intellichlor-20 (ic-20)
    Filter Pentair cartridge ccp320 (320 sq ft)
    Skimmers are both aqua genie

    What I need is help coming up with a schedule to run my pump that will balance filtration, chlorine generation, and pump speed (save on electric).

    Any suggestions would be great.

    Latest test:
    4.5 ppm fc
    0 cc
    7.4 ph
    80 ppm TA
    80 ppm cya
    3500 ppm salt

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    JasonLion's Avatar
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    Re: Help with pump schedule

    You want the lowest speed that still allows the skimmers to be effective and the SWG to be happy. The only way to figure that out is to experiment. Once you have a suitable speed, run just a little faster than that to give yourself a little safety margin. For pump run time, I would start at 6 hours a day and then adjust up or down a little from there. Lengthen the run time if you can't produce enough chlorine, or try shortening the run time if everything is going really well.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: Help with pump schedule

    So right now I'm running at 80% swg for 10 hours a day. I'm staying around 3ppm chlorine with all day sun on the pool. I feel like it should be more. Recent test today was:

    3ppm fc
    0ppm cc
    7.8 ph
    82 degrees
    70 CYA

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    n240sxguy's Avatar
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    Help with pump schedule

    You should bump the swg to a higher percent or increase your pump run time so you can get your chlorine up. Maybe add some liquid chlorine to get it higher, and then see how it does.


    30K gallon IG vinyl. 1.5HP 2-speed Waterway Mustang pump. 600 lb sand filter. Polaris 280. Circupool SI-60+. TF-100

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    Smykowski's Avatar
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    Re: Help with pump schedule

    That seems like a bit much. It seems as though most members with an SWG have theirs set much lower.

    How does your water look?
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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    mas985's Avatar
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    Re: Help with pump schedule

    The cell is a bit small for that size pool. IC20 adds only 0.7 lbs per day which is a little less than 2 ppm for 10 hours at 80%. That is about 40% extinction at 4.5 ppm so not out of line.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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    n240sxguy's Avatar
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    Re: Help with pump schedule

    Based on some light research and crude math I came up with this. One pound of chlorine is roughly equivalent to a gallon of 12% liquid chlorine. The IC20 makes .7lbs/day running 24/7 at 100%. Running at 80% for 10 hours, yours is making .23lbs/day. If your pool uses 2ppm FC a day, you would need 30 ounces of 12% liquid chlorine per day. Your .23lb is equivalent to about 29.5 ounces of liquid chlorine. You need to raise run time or percent output, or get an IC40 which will output more chlorine.


    30K gallon IG vinyl. 1.5HP 2-speed Waterway Mustang pump. 600 lb sand filter. Polaris 280. Circupool SI-60+. TF-100

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    Re: Help with pump schedule

    I have bumped it up to 12 hours run time at 80% with various pump speeds but enough flow for the swg to run. Flow amount doesn't matter as long as there is enough for the SWG to run right?

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    n240sxguy's Avatar
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    Re: Help with pump schedule

    Correct. 12 hrs at 80% will give you .28lbs of chlorine per day. 10hrs at 100% would give you .292lbs of chlorine per day.


    30K gallon IG vinyl. 1.5HP 2-speed Waterway Mustang pump. 600 lb sand filter. Polaris 280. Circupool SI-60+. TF-100

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    Mod Squad JVTrain's Avatar
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    Re: Help with pump schedule

    urbantux, if you could update your signature so your pool details are in all your posts, that would be helpful!

    To change your profile and/or signature, select "Settings" (top right under Pool School button). Scroll down (left side) to "My Settings" & select Edit Profile or Edit Signature.
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
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    Re: Help with pump schedule

    Sorry I'm posting from the mobile site so it wasn't showing up.

    Is it better for the SWG to run at 80% for longer or at 100% for less time?
    15,000g | 16x32 Vinyl | Pentair Super-Flo VS | Intellichlor ic-20 | Pentair cartridge 320 sq ft

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    n240sxguy's Avatar
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    Help with pump schedule

    It doesn't matter. It's life is based on the amount of time it runs overall. 1 hour at 100% or 10hrs at 10% decreases it's life the same amount. The cell itself is still seeing the same voltage and amperage at 80% and 100% it is just cycling off occasionally when set at 80%.


    30K gallon IG vinyl. 1.5HP 2-speed Waterway Mustang pump. 600 lb sand filter. Polaris 280. Circupool SI-60+. TF-100

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    Re: Help with pump schedule

    Quote Originally Posted by urbantux View Post
    Is it better for the SWG to run at 80% for longer or at 100% for less time?
    It will cost more to run the pump 10 hrs, so I would use 100% SWG for 8 hrs.
    25' x 13' Roman, 12000 gal IGP, Plaster, with 500 gal Spa
    SWG, 1 HP Max Flo Pump, C-900 cartridge filter
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