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  1. M

    Bug in Jandy Aqualink PDA RS4 System?

    I think I found a bug in the RS4. My pool pump runs 24/7 at 600 rpm. I have a waterfall and Hotspot FPH system. I have the waterfall turn on at noon and turn off at 6pm, this bumps the pump up to 2000 rpm. The FPH system is connected to the solar heat input of the RS4. When triggered it bumps...
  2. M

    How do I turn on a Jandy Pump from a sensor?

    I have the Jandy Aqualink RS PDA system and I want to turn on the pump from a signal. This signal could be a jumper or a 24v signal. I want it to work similar to the freeze protection sensor. Reading through the manual I don't see any input signals, only output. How can I wire this up? I'm...
  3. M

    PoolMath with a Spa?

    Is there a way to change the Calcium Hardness target in the app? According to How do I use Chlorine in my Spa (or pool)? I should be shooting for 130-150. The app defaults to 250-650. Any way to change the target so the app doesn't fuss at me? What do others do?
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