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Thread: Intelliflo VS+SRVS will not run under 1300 RPM

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    Join Date
    Feb 2011
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    Intelliflo VS+SRVS will not run under 1300 RPM

    Below 1300 it reports blocked and resets. It will kick back on at full speed, ramp down and report blocked repeatedly. I just took the filter apart and cleaned it so know it's not that. It reports a typical 10 psi at filter speed. The lines all seem clear. What could it be?
    IG 23K Gal, Quad DE 80, PebbleSheen, Intelliflo VS+SVRS, MT 400 NG, Stenner Pump

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    mas985's Avatar
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    Re: Intelliflo VS+SRVS will not run under 1300 RPM

    At 1300 RPM, you should have much much less than 10 PSI pressure so there is probably a return side blockage and it is most likely the filter unless there is a bad check valve somewhere.
    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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    Re: Intelliflo VS+SRVS will not run under 1300 RPM

    No runs 10 PSI @ filter speed which is set to 2300.
    IG 23K Gal, Quad DE 80, PebbleSheen, Intelliflo VS+SVRS, MT 400 NG, Stenner Pump

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    mas985's Avatar
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    Re: Intelliflo VS+SRVS will not run under 1300 RPM

    Ok, makes much more sense. A few more questions:

    Can you read the filter PSI at 1300 or is it too low?

    Did this just start to happen or has it been occuring all along?

    Do you have any check valves in your system and what type are they?

    Is the pad elevated from the pool surface and if so by how much?
    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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    Re: Intelliflo VS+SRVS will not run under 1300 RPM

    Since it's an SVRS, I would suspect that it is detecting some sort of suction blockage.

    http://www.pentairpool.com/pdfs/IntelliProVS+SVRSOM.pdf

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