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Fried Pentair Heater logic board? (Help needed)


lensam69

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Hello!  I installed a Pentair IntelliConnect controller today.

I wired up the main pump (Intelliflo) and SWCG (IntelliChlor) via RS-485 cable + dedicated power supplies,  as well as a booster pump to the first relay.

Everything peachy so far.

 

Next up, I was going to wire a MasterTemp HD400 to the "Heater" relay on the controller.

 

I followed these instructions:  (Page 30)

 

Basically, I cut the fireman's switch jumper cable, and "extended" it into the controller's Heater relay, so that it would close the circuit.

As far as I can tell, that's the right way to do it, but the controller wouldn't turn on the heater.  I restored the jumper cable, and now the heater does not turn on at all.  (There is power going to it, which leads me to believe I somehow fried the logic board). 

 

Is this the right way to set up the controller?  Did I miss anything obvious? (Any help would be appreciated so that I don't end up killing another board once I replace it)

image.thumb.png.46f083084e2f826be654ded7ddff2f19.png

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Thanks! I’ll wait. 
 

I’ve been racking my brains on this. The only thing I can think of, is that I ran the controller cable alongside the 240v power lines, and that might’ve induced a bit of current on it, maybe enough to damage the board.   Other than that, I’m at a loss. 

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That is a theoretical possibility. But I have never seen wire routing be an issue on a pool pad, and I have done many new pads and run my wiring very neat and clean. 

It is nice to run into someone who understands induction, however. I am guessing you are an electrician?

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