I'm hooking up my Apex weekend and this going to be my 1st attempt at programming. I have a BRS 6 stage and 3 solenoids. I plan to use one to cut the flow from the supply line at ROHigh, this will relieve the pressure in the system. Then one to use in place of the flush valve. Right now I'm using a 3-way valve after the RO to flush the initial TDS creep manually at startup. After the output from the RO one end goes to a y connecting the waste line and the other goes to the DI. This is where my confusion is. Will I need two solenoids to replace the 3-way valve? One to block the flow to the DI and the other to open flow to waste, then after a period of time swap the states of those two solenoids?
If that's the case I may just stick with doing it manually. I'll probably be there at startup most of the time anyway, but the geek in me want to do full control...
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