CRussian Posted June 3, 2017 Report Share Posted June 3, 2017 Hello All: I messed up. I didn't take a picture of the heater wiring before I disconnected. My intent was to immediately finish the job but I go called away. The next day, I couldn't remember which wire went to which connector. I have attached several pictures of the wiring I have now, but before putting power to the spa, I want to make sure I will not fry the board. I also attached the schematic drawing to aid in the visual. The main focus is in the bottom left hand corner, connections P20 and P21. The table which shows the heater color coding says P20 & P21 are black. I have a black and a white (green is connected to the board ground). I am also including a picture of the physical connections so you can see how I have done. I appreciate any assistance. okay, guess I will upload one post at a time. Cary Quote Link to comment Share on other sites More sharing options...
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