rodi automatic shut off

[pirate]

So I played around with it a buch and I found I had a couple of leaks at the unions, tried tightening it but they would no stop leaking. So i returned it and got a different one. Now I have a Kent marine one. Much easier to set up and does not leak but it still will not shut off the waste water.
So is there something funny about the buckeye rodi? I keep moving parts around all over bu nothing seems to stop it. So what have I done wrong?
I followed hillegom's link and I had mine set up the same way, as far as I could tell.
So now I am almost at the point of going out and buying a new rodi set up with the auto shut off already installed unless I figure this thing out.
Is there any other things I need to look at or buy to make this thing work?
Thanks

[hillegom]

could you post a few pics with all plumbing showing?

[sphelps]

if your auto shut off uses a solenoid and pressure switch then your water pressure may not be high enough to trigger the shut off. The solenoid valve also has to be installed before the RO membrane. But typical auto shut offs do not use solenoids.

This a typical auto shut off:


Installed like this:


BRS also has a video:
http://www.youtube.com/watch?v=ssa6njb5nV4

[pirate]

I'm trying to get pictures up right now. I had the one that is pictured but it would not work, and now I have a solenoid type one. The pressure gauge I have on the rodi says I have 40-50 psi depending on what's happing, if I got the float valve held up I can almost get 50 psi. How much do I need for a solenoid type, verus the other type?

[sphelps]

if you had the typical one before chances are you didn't have it plumbed right, they can be tricky. For the solenoid remove it but keep the pressure switch installed and see if it closes when the pressure build up. Again I'm guessing not installed in the right spot so I'll wait for pictures.

[pirate]

http://www.canreef.com/vbulletin/alb...pictureid=5143
Im not sure if this is gonna work. I always have a hard time getting pics to show. So i linked one of them to my canreef album.

[pirate]

since it worked I'll try it again

The whole thing sorry its backwards stupid iphone.
So the filtered water goes into the cartage (as you look at it) on the left (square box that came with the kent marine shutoff).
Then the water exits on the rightinto the white line that tee into the and continues to the other end of the shutoff and tee into the blue line that becomes my top off water.

A better view of the left hand side.

better view of the right hand side

again the left hand side but more of the water line going in. It tee into a pressure gauge and then into the cartirge.

sorry for not being able to make them better but if you need something to help you see them I can retake them

[pirate]

As I study the picture I had the previous one hooked up that way and no luck either, at least it looked that way without the pressure tank. |I had the most amount of luck when I had the shut off hooked up to the waste line,I had it pulsing but that was it. But if i don't have the water pressure to shutoff the solonide where can I buy just a plain shut off valve like the one pictured?

[sphelps]

You need to find out what the pressure is after the membrane where the pressure switch is tied into. The gauge reads the pressure before the membrane and therefore isn't relative to what the switch is actually getting. Tie in the pressure gauge temporarily at the same point the switch ties in.

Also is there a flow restrictor and check valve on the waste line?

[Buckeye Field Supply]

Looks like you have the ASOV plumbed correctly. Do you have a check valve in the permeate port on the RO housing?

Russ