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Thread: Power a pump using solar panels

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    Power a pump using solar panels

    I have a Hayward Super Pump (I believe it is .75 HP but might be 1hp). Has anyone ever hooked up their pool pump to be run solely on Solar power during the day (and be dormant at night).

    What size panels would be needed and what size inverter

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    Mod Squad jblizzle's Avatar
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    Re: Power a pump using solar panels

    I believe this has been discussed before and bottom line is that it is not practically feasible.

    The only way it might make sense is if the motor could run directly on the 12V from the solar panels, which pool pumps can not.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    borjis's Avatar
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    Re: Power a pump using solar panels

    If you google about that a few things come up.

    It requires a completely different motor for one. Reliability was questionable last I looked.
    16x32 IG Vinyl, 13,000 Gals. Hayward S-244T sand filter, SP2810X15 pump
    (1.5 HP motor) Raypak PR266AEN (266k btu) gas heater. TF-100 Test Kit.
    Dolphin E10 Cleaning Robot.

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    Re: Power a pump using solar panels

    thanks for the replies guys..

    With energy prices in Ontario going up again (every six months we get an increase) I was looking for ways to save.

    The rates will be
    13.2 cents kWh from 7am - 11am
    18 cents kWh from 11am - 5pm
    13.2 cents kWh from 5pm - 7pm
    8.7 cents kWh from 7pm to 7am

    (plus delivery and regulatory fees on top of this).

    I heard it is better for the pool water quality to run the pump during the daylight hours, so that means some of the most expensive times.

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    Mod Squad jblizzle's Avatar
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    Re: Power a pump using solar panels

    You heard wrong. No issue running it for just a few hours between 7pm and 7am.

    In fact I think we say that in the Determine Pump Run Time article.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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    Isaac-1's Avatar
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    Re: Power a pump using solar panels

    As mentioned above this takes either a special DC pump motor, or much more elaborate whole house solar electric system, and while there are some out there, the cost makes them not practical, also the only model I know of is from Europe and uses metric pipe fittings.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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    borjis's Avatar
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    Re: Power a pump using solar panels

    Well, it sounds like you would do very well with a vs pump to save money.

    And as others said you don't need to run the pump very long at all.

    I have a single speed 1.5 hp but only run it three hours a day total (for skimming)

    The only additional time I would use is 2 more (5 hours total) on sat-sun for heating, if needed.

    It's been plenty to keep the water nice.
    16x32 IG Vinyl, 13,000 Gals. Hayward S-244T sand filter, SP2810X15 pump
    (1.5 HP motor) Raypak PR266AEN (266k btu) gas heater. TF-100 Test Kit.
    Dolphin E10 Cleaning Robot.

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