Also, I'm intrigued how to set up iAquaLink to circulate the pool without waterfall. I truly hate the app, I can only imagine it is painfully difficult.
Spillover Mode
If you have a pool and spa you can enable the Spillover function with dip switch #3 on the main panel. When switch #3 is on then AUX3 becomes the spillover control. If you have any relay connected to AUX3 you need to move it to an available Aux position.
With Spillover turned on by Aux3 the POOL/SPA return valve will move to the SPA position. Water will be suctioned by the pool and returned to the spa.
Then reset your valve so the spillover is not active in POOL mode.
Set a program to run the spillover once or twice a day for 15-30 minutes to refresh the spa water.
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