RO/DI setups

[hillegom]

Maybe this will help:
electrical connections"
http://www.watergeneral.com/support/pdf/ELEC_DIA2.pdf

And here is the piping without an auto shut off. (ASOV).
Sounds to me like your ASOV is malfunctioning and needs to be replaced. Just try setting up your system like this:
http://www.watergeneral.com/support/...struction2.pdf

And I do not own any shares in this business, just use their technical support, although I have bought from them, hassle free