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Thread: Hayward Solar Controller

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    FLPoolDIY's Avatar
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    Hayward Solar Controller

    I'm looking for suggestions on which Hayward solar controller to go with. I have the Hayward ecostar pump so, I decided that going with the Hayward solar controller would be the best option to keep the equipment the same.
    FL, 15K gal (15x30 rectangle beach entry), IG Plaster, 2010, 1 skimmer, 4 returns, ecostar VSP, Pro Clean (PCCF-125) cartridge filter, IC20 SWG, Hayward Navigator floor suction cleaner, solar heat, waterfall, 2 lion head spouts, 1hp pump, TF-100 w/SpeedStir

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    Re: Hayward Solar Controller

    Good question that I'm curious about as well. I have a non functional FAFCO controller right now. It looks like the Hayward GLC-2P-A kit is pretty complete.




    37000 gallons 45x20 vinyl liner
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    Mod Squad pooldv's Avatar
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    Re: Hayward Solar Controller

    I am not that familiar with Hayward equipment but according to this the GL-235 solar controller can change the speed on the ecostar pump.
    Comparing Variable Speed Pool Pumps | Solar Southwest Florida

    Which is what you want. I run my Intelliflo VS pump at 1100 rpm on solar standby and it only uses 150 watts. When solar heat is available my Solartouch solar controller opens the solar valve and ramps the pump speed up to 1950 rpm. When solar heat is not available it closes the valve and the pump goes back to 1100 rpm.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    FLPoolDIY's Avatar
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    Re: Hayward Solar Controller

    Pooldv thanks for the link. That's what I was looking for. I don't need anything fancy, just automation for solar to maximize swim season in Central FL.

    Is there anyone who has been using the GL-235 on this site that can provide some feedback from their experience?

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    Mod Squad pooldv's Avatar
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    Re: Hayward Solar Controller

    Isaac-1 has been using one for a long time and plenty of other folks. It is the most common Hayward solar controller.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    FLPoolDIY's Avatar
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    Re: Hayward Solar Controller

    I'll be ordering one in the next few days. I'm sure I'll have some questions on the installation and know just the place to ask them.... TFP

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    Re: Hayward Solar Controller

    I will be following this as I too would like to replace my one speed pump with a variable speed pump. I too have the GL-235 which works great however I would like to integrate a VS pump with the least cost involved. Please keep us informed.
    Quote Originally Posted by FLPoolDIY View Post
    I'll be ordering one in the next few days. I'm sure I'll have some questions on the installation and know just the place to ask them.... TFP
    6,000 gal, IG free form,Beach Series Antigua by Marbletite Pebble finish,Sheer Descent, IG Fountain, Dolphin / Mermaid Statues,Dura- Glas 1.5hp pump,Hayward Pro-grid DE4820, Aqua Rite SWG with T-Cell 15,Heat Siphon Heat Pump DX 5.0 109,000 btu, Pool Cage, 1800sq ft Tremron Estate Pavers,Aquatherm Ecosun Solar Panels 192 sq ft with GL-235 Controller,Pentair IntelliBrite, Apollo Magnetic Stirrer Our New Poolbuild, Jacksonville, FL yr 2009 Solar install Outdoor kitchen upgrade

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    Re: Hayward Solar Controller

    I only have a 1-speed pump, but my GL-235 performed flawlessly last season.
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    Intex 18' X 48" Ultra Frame AGP 6700 gallons | Two Intex CS8110 SWG's | Hayward Pro Series 21" Sandfilter | Hayward 1.5HP Power Flo Matrix pump | Hayward Thru-wall Skimmer | Wanda the Whale | 72 sq ft of Sungrabber Solar Panels with Hayward GLC-2P-A | Taylor K2006 Test Kit, Sample Sizer & Speed Stir | Click Here To Become a TFP Supporter!

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    Mod Squad pooldv's Avatar
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    Re: Hayward Solar Controller

    Here is how my Pentair Solartouch works with my Intellifo VS pump. I expect that the GL-235 will be similar so hopefully this will help with figuring it out.

    I set the pump internal timer to turn on at 8am at 1100 rpm (speed 1) for solar standby. It only uses 150 watts at 1100 rpm. The Solartouch monitors water temp and solar panel temp and when solar heat is available it will open the solar valve and changes the pump to speed 2 (1950 rpm). After solar heat is no longer available it closes the valve and the pump returns to speed 1. Then the pump's timer turns itself off at 10p.

    I have learned that running the pump overnight will cool the pool a degree or two more than it would if the pump is off overnight.

    Then if your pool gets too hot during summer you can run solar cooling at night to cool the pool. Then I run 10p to 8a for cooling.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Re: Hayward Solar Controller

    FLpoolDIY I contacted Jason Szumlanski, Principal Solar Designer, Florida Solar Design Group. He is the person in the link that PoolDV sent in the earlier part of this thread. This is what he suggested
    "Brent,

    I would go with the Pentair Superflo VS or the Hayward Ecostar if your budget allows. If you get the Superflo you will need the communications cable sold separately.

    ‚ÄčThis would qualify as a moderate to advanced control wiring job, so hire someone who knows what they are doing unless you are confident you can do it yourself.‚Äč The communication cable is Pentair Digital Input Kit 353129Z. "
    6,000 gal, IG free form,Beach Series Antigua by Marbletite Pebble finish,Sheer Descent, IG Fountain, Dolphin / Mermaid Statues,Dura- Glas 1.5hp pump,Hayward Pro-grid DE4820, Aqua Rite SWG with T-Cell 15,Heat Siphon Heat Pump DX 5.0 109,000 btu, Pool Cage, 1800sq ft Tremron Estate Pavers,Aquatherm Ecosun Solar Panels 192 sq ft with GL-235 Controller,Pentair IntelliBrite, Apollo Magnetic Stirrer Our New Poolbuild, Jacksonville, FL yr 2009 Solar install Outdoor kitchen upgrade

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    FLPoolDIY's Avatar
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    Re: Hayward Solar Controller

    Brentr, I already have the Hayward ecostar so the GL-235 should be almost a plug and play other than the obvious installation of the valve etc.
    FL, 15K gal (15x30 rectangle beach entry), IG Plaster, 2010, 1 skimmer, 4 returns, ecostar VSP, Pro Clean (PCCF-125) cartridge filter, IC20 SWG, Hayward Navigator floor suction cleaner, solar heat, waterfall, 2 lion head spouts, 1hp pump, TF-100 w/SpeedStir

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