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    Hotspot FPH AC heat reclamation pool heater - a review!

    So guys, here I am posting the Controller circuit that I came up with to achieve the above. You have to cut the thermostat wire going into the outdoor AC unit and connect it to the controller and then the controller connects to the other end of the thermostat wire going into the outdoor unit...
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    Hotspot FPH AC heat reclamation pool heater - a review!

    The Sporlan valve that comes with the Hotspot FPH depends on the pressure difference created by the compressor to switch the gas paths. I don't know if simply keeping its solenoid energized while the compressor is off will prevent the freon from moving back to the air side.
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    Hotspot FPH AC heat reclamation pool heater - a review!

    Yes putting the water cooled condenser before the air cooled condenser in series will eliminate the need for a valve and controls. But the problem is what kind of damage will the water cooled condenser have if the pool pump fails or doesn’t turn on for some reason ?
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    Hotspot FPH AC heat reclamation pool heater - a review!

    Different start sequence. Currently, the way FPH controller works is that when the house thermostat calls for for cooling, outside unit starts the usual way, the controller turns on the pool pump and samples water temperature for 25 seconds, then if water temperature is below set point, turns on...
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    Hotspot FPH, very similiar use case as Drglanton

    Thank you guys for all the help. So far the hardest part to find is the pump out flow resistor. Any ideas where to find it ? Also a few of you installed a flow sensor cutoff. Which flow sensor to use ? How did you install it and where does it connect to the FPH controller ?
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    Hotspot FPH AC heat reclamation pool heater - a review!

    Thank you guys for all the help. So far the hardest part to find is the pump out flow resistor. Any ideas where to find it ? Also a few of you installed a flow sensor cutoff. Which flow sensor to use ? How did you install it and where does it connect to the FPH controller ?
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    Hotspot FPH AC heat reclamation pool heater - a review!

    Hey guys. Up here in NJ. 26 K gallon in ground at least half shaded. Looking to DIY this FPH thing. House ac is 5 tons. Found all parts. Can anyone share the installation manual for ac (not heat pump). Thanks a million !!