John

thank you for the RS485 advice. I will do the checks with the multimeter. I may eliminate the board and just daisy chain all of the devices as that seems...

the resistance readings for my equipment are as follows: Jandy RS Control Board 500 ohms regardless of polarity of meter Jandy Keypad 1k ohms regardless of polarity Jandy AquaPure 1k...

To answer your last question first. The PureLink box has both a Aquapure PCB and an Aqualinke RS Control panel. Note the PureLink does not come with the Aqualink board...

i have posted a couple of pictures of the PureLink  

@jsrichie I am interested in the SPA controls too. Have you been able to find a way to switch modes using the simulator? I will have a look. I would...

@jsrichie I have looked through the various menu options in the simulator and using my touch panel. I did not see a place to set the drain mode. What I...

while looking at how to wire in the drain mode to the valves I came across the menu path diagram for a One Touch Jandy controller and it looks like...

thanks Sean, did not realize that One Touch was so problematic. When looking at the AUX method I believe I have to wire a relay into the valve wiring as...

If there is a way to control valves directly through an Aux setting that keeps the existing control methods working as well that would be great to know.

found first blocker to my thinking, my relay does not have normally closed contacts that are connected when the relay is not pulled in only normally open that connect when...