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Thread: New Solar System

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    rbinn's Avatar
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    May 2015
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    New Solar System

    Hello all,

    Well I bit the bullet and ordered this from Amazon.ca

    2-2 Garden

    I wanted Heliocoil but I couldn't afford it. I do get a lot of sun to my Southern roof exposure so I can retire my DIY.
    My pool was sitting at 74 at 7:30 this morning but is currently knocking on 80. This is just using a solar blanket and my DIY.
    Problem is, as was explained to me on this forum, is volume. I just could'nt get the volume through the pipe.

    Once install is completed I'll put up pictures, in the mean time here's a few pics from my new deck. We didn't realize at the time when we were building but we ended up with really nice ocean view. (Look Left)...kinda cool.

    pool.jpg - Google Drive
    pool2.jpg - Google Drive

    Cheers,

    Rob
    9 x 18 Hydro Force AGP, Aqua Pro AP ASFAL 75 pump and sand filter, Hayward Skimmer, Raypak 106A propane heater, Sunquest Solar Panels, Pentair Rainbow test kit.

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    Orlando, FL
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    Re: New Solar System

    Nice pool and view! Good luck with the solar install.
    Sharkline Reprieve 15x52 (3/14). Still using Intex 2650 Sand Filter with Hayward Power-Flo Matrix 3/4 HP pump (6/15). Solar Cover cut into strips for easy removal, (2) 2*10 Space Saver solar panels. Swim Jet HD Robot (by Aquabot) (3/15). Chlorine Liquidator (4 gal). 4 person hot tub. Hard pipe is the way to go for improved flow! Retired Lil Shark (3/15). Starite Max E Therm 333k BTU Propane Heater w/ 24 gal tank (7/15).

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    Hope Mills, NC
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    Re: New Solar System

    Oh...I thought you were talking about Pluto!

    ��
    16 x 32 17500 gallons
    Vinyl in-ground
    Hayward 250# Sand Filter
    1 HP Pump
    Hayward SWG

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    Oakbank, Canada
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    Re: New Solar System

    Super, they work quite well. I have 2 full sets totalling 8'x20' and the other day it was 108 degrees coming out of it. Pool was 94!
    They are right in saying about adding a 10 degree difference, that is what I find.
    But, I also used 1-1/2" hose for the intake and outlet, directly into the pool, makes quite a bit of flow of nice hot water. I shut it off at night of course.
    Ultra 16', Intex Sand filter/pump combo, 8' x 20' solar panels, solar blanket w/roll tube, 1" extruded foam floor with Gorilla pad, Liquid chlorine and stabilizer.

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    rbinn's Avatar
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    Re: New Solar System

    Thanks for the comments!

    I'm like a kid waiting for Christmas

    DarrelB, do you leave your pool and solar up year round? Our climate on the island is very mild so Im thinking I should be ok as long as I do everything right...

    Rob
    9 x 18 Hydro Force AGP, Aqua Pro AP ASFAL 75 pump and sand filter, Hayward Skimmer, Raypak 106A propane heater, Sunquest Solar Panels, Pentair Rainbow test kit.

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    Re: New Solar System

    No we do not leave it up during the winter, too darned cold here in Manitoba (-35 in winter). My panels are on the ground by the pool, so I just drain them, and roll up for storage in winter in the shed.

    Quote Originally Posted by rbinn View Post
    Thanks for the comments!

    I'm like a kid waiting for Christmas

    DarrelB, do you leave your pool and solar up year round? Our climate on the island is very mild so Im thinking I should be ok as long as I do everything right...

    Rob
    Ultra 16', Intex Sand filter/pump combo, 8' x 20' solar panels, solar blanket w/roll tube, 1" extruded foam floor with Gorilla pad, Liquid chlorine and stabilizer.

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    mas985's Avatar
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    Re: New Solar System

    Quote Originally Posted by DarrelB View Post
    Super, they work quite well. I have 2 full sets totalling 8'x20' and the other day it was 108 degrees coming out of it.
    That means you are losing a lot of heat and don't have enough flow rate through the panels. You don't really want the outlet of the panels to be more than about 5 degF more than the inlet. Heat loss increases rapidly with large temperature deltas. Increasing the flow rate through panels, reduces the deltaF and increases the heat transfer to the pool.
    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: New Solar System

    Oh geez..............what next? First time I heard that, please explain that one.

    Air temp showed as 85 degrees in shade, it was a sunny day, and water temp that day was 90 degrees thereby making the water inlet of 90 degrees. The flow out when measured with thermometer stated 108 degrees coming out of the discharge hose into the pool. Both temps were recorded with the same thermometer.

    Was the pool colder the 2 days before, you bet it was......75 degrees. So raising the temp up to 90 with these smaller panels, it worked very well regardless. Our weather fluctuates like crazy here over the summer, one day its 90 out, next day only 60, with the nights going down lower sometimes.


    Quote Originally Posted by mas985 View Post
    That means you are losing a lot of heat and don't have enough flow rate through the panels. You don't really want the outlet of the panels to be more than about 5 degF more than the inlet. Heat loss increases rapidly with large temperature deltas. Increasing the flow rate through panels, reduces the deltaF and increases the heat transfer to the pool.
    Ultra 16', Intex Sand filter/pump combo, 8' x 20' solar panels, solar blanket w/roll tube, 1" extruded foam floor with Gorilla pad, Liquid chlorine and stabilizer.

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    mas985's Avatar
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    Re: New Solar System

    I am surprised this is the first you had heard of this concept since is dicussed often on the forum.

    Heat transfers from hot objects to cool objects. If the air is cooler than the panels, heat is lost by convection. The sky is always cooler than the panels and here heat is lost by radiation. The warmer the panels, the faster heat is transferred to these heat sinks. So if your panels are at 90F, they will lose less heat then when they are at 108F.

    However you can easily reduce the water temperature and also increase the net heat transferred to the water by increasing the flow rate through the panels. For most most panels, an ideal flow rate is around 0.1 GPM per sqft.

    Yes you will get some net heat gain with the water at 108 F, I was just pointing out that you could probably do better.
    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: New Solar System

    One can always do better at everything though, just saying.
    It has the largest hose that the 1-1/2" inlet will allow, cannot get much more flow than that already.

    Regardless, we have gone off track regarding the original post. Just congratulating the member on his purchase and my positive experience with the same product.
    Ultra 16', Intex Sand filter/pump combo, 8' x 20' solar panels, solar blanket w/roll tube, 1" extruded foam floor with Gorilla pad, Liquid chlorine and stabilizer.

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    rbinn's Avatar
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    Re: New Solar System

    Thanks guys for all the input! Great to know my purchase has had success with other members.

    Does anybody use an electronic controller for their install of this product? If so what kind? Rough idea of cost etc.

    Great forum....loving my TFP!

    Rob
    9 x 18 Hydro Force AGP, Aqua Pro AP ASFAL 75 pump and sand filter, Hayward Skimmer, Raypak 106A propane heater, Sunquest Solar Panels, Pentair Rainbow test kit.

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