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Thread: Solar Valve Controller Issue

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    tomzo's Avatar
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    Solar Valve Controller Issue

    Greetings,

    I have a Pentair Easy Touch controller that runs the solar system I recently installed. The valve actuates properly when the solar system turns on but when the pool reaches the temp setpoint the system switches from solar mode to normal mode but the valve does not turn back to bypass around the solar panels and the pool overheats (85 is about as warm as I like it!)

    Has anyone out there experienced this? Perhaps I have the valve set up wrong - it is using the slot for the solar valve (Valve A) so I am confused as to why it does not turn off correctly.

    Thanks in advance!

    Tom
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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    Mod Squad Bama Rambler's Avatar
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    Re: Solar Valve Controller Issue

    How do you get it to finally turn off the valve?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    tomzo's Avatar
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    Re: Solar Valve Controller Issue

    I actuated the valve by flipping the switch manually on the actuator.
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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    Mod Squad Bama Rambler's Avatar
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    Re: Solar Valve Controller Issue

    Have you looked at the limit switches in the actuator?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    tomzo's Avatar
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    Re: Solar Valve Controller Issue

    Yes - I made those adjustments and it stops where it is supposed to stop in both directions. I have a sense that the controller is just not sending out the signal to change the valve position when it goes from SOLAR mode into AUTO mode.
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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    mas985's Avatar
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    Re: Solar Valve Controller Issue

    There are three wires that connect from the actuator to the controller. If one of the wires is not properly connected, it may not be able to reverse direction.
    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: Solar Valve Controller Issue

    Does your valve have a toggle switch? Mine has a three way toggle. Middle is off, one way is on (regardless of the input from the solar controller), and the other is automatic I guess, where the solar controller can move the valve as needed. Maybe you have it set to ON?
    16x28 Roman, 55000 litres, salt water, Zodiac Duoclear 130 (mineral cartridge removed!!!), inground, vinyl liner
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    Nine Techno Solis 4x10 solar panels, Jandy LX 250 natural gas heater
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    Re: Solar Valve Controller Issue

    The toggle switch reverses or swaps the leads with on1/on2 and with middle being off. So when a valve is turned on by the controller, it can move either direction dependent on the toggle setting.
    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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    tomzo's Avatar
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    Re: Solar Valve Controller Issue

    It is a Pentair actuator and I can move the valve by switching the toggle one way or another with the middle being off. I came home today to a 91 degree pool and the system had turned the valve into the solar position correctly this morning but whenever it was supposed to turn back when the solar mode turned off it failed to do so. I flipped the toggle and it went into the correct position. I wonder if I just need to leave it there and see what happens tomorrow.
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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    Re: Solar Valve Controller Issue

    That may do it but if it doesn't check where the wires connect to the controller to make sure there is a good connection.
    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: Solar Valve Controller Issue

    Here's an odd thing - I went out an hour after switching the solar valve to the non-solar position and it was back at the solar position! THe Easy Touch was NOT in solar mode. I wonder if there is some delay or something that I am missing. I have not set up any delays in the system. Perhaps its time to call in Pentair - this unit is less than 9 months old....
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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    Re: Solar Valve Controller Issue

    By the way - I used the toggle to move the valve back to the non-solar position. UGH - I hate 90+ degree water!
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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    Re: Solar Valve Controller Issue

    Are you sure the programming is correct? Are there any overlapping schedules that are both enabled with heating?
    15,600 Gallon, 16' x 32' In-Ground Vinyl Pool
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    8 gallon Liquidator, Aquatherm EcoSun Solar Panels, 2 wheel ThePoolCleaner

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    JasonLion's Avatar
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    Re: Solar Valve Controller Issue

    That all sounds to be like a bad cable or bad connections on the ends of the cable.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    tomzo's Avatar
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    Re: Solar Valve Controller Issue

    @carlscan26 - I am not sure what you mean there. I have the solar enabled and I thought that was separate from any other schedules. That valve is on the solar position (VLV-A) and I thought that this was reserved for the solar system bypass valve actuator. Are there other schedules that can control it?
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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    Re: Solar Valve Controller Issue

    You assign heat to a mode; pool, spa, custom or a feature group. If you assign solar to one of those modes then it will use solar to heat the pool based on the set temps. You can set preference to use your heater and/or your solar. I'm not sure if Valve A is the correct valve or not. On my suntouch it's valve C for solar but my system is limited in terms of valve assignment, etc.
    15,600 Gallon, 16' x 32' In-Ground Vinyl Pool
    Pentair VS 3050 pump, Quad DE 60 filter and SunTouch controller
    8 gallon Liquidator, Aquatherm EcoSun Solar Panels, 2 wheel ThePoolCleaner

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    Re: Solar Valve Controller Issue

    Have you tried reseating the valve connector on the circuit board as Jason suggested?
    15,600 Gallon, 16' x 32' In-Ground Vinyl Pool
    Pentair VS 3050 pump, Quad DE 60 filter and SunTouch controller
    8 gallon Liquidator, Aquatherm EcoSun Solar Panels, 2 wheel ThePoolCleaner

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    tomzo's Avatar
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    Re: Solar Valve Controller Issue

    I see what you are saying. I have the system set in Auto and have a schedule for the Pool mode to run for about 10 hours per day and Solar is the heating source for this feature. Solar is enabled in the Solar menu as well. My understanding on how this should work is that when the pool pump is running and the temperature is below the heating setpoint the system should switch into Solar mode for heating, change the valve position, and ramp up the pump speed (in order to get the water up to the roof). This all seems to work correctly, but when the temperature gets to the upper setpoint the system switches out of Solar heating mode, slows down the pump, but fails to close the valve.
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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    mas985's Avatar
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    Re: Solar Valve Controller Issue

    As now Jason, carlscan26 and myself (3x) have suggested, check your wire connections on the circuit board. If one of the three wires is not connected properly, it will behave just as you describe.
    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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    tomzo's Avatar
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    Re: Solar Valve Controller Issue

    I called Pentair and he took me through some steps to set the valve position and then reset the controller using the rest button. When the system could come back from being reset it was defaulting to the solar mode. After switching the valve position using the toggle and hitting reset again it defaulted to the correct position. He thinks that is all it was but we will see tomorrow (if my pool cools down enough).

    Thanks

    Tom
    21K Gal Vinyl In Ground with block wall sides (Self Built with help), Pentair Easy Touch controller, Pentair Intelliflo pump, Intellichlor salt system, Clean and Clear Plus filter, SR Smith Typhoon Slide

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