Vertex 100GPD RO/DI PROBLEM

Gieser

Gieser

Member
My Vertex RO/DI system is not working properly. I am hoping someone will have some input. Everything seems to be working okay, except it isn't making any water :hammer: ?!?!!? The gage does not budge after the countdown, although it feels like the pump is doing something. Someone said to replace the membrane, which I did today, still nothing.

Any ideas or help appreciated!!!
 
How can you get 13ppm water out if it is not producing any water?

I would suggest you bypass the pump if you can and see if it works that way.
 
I emptied the whole thing, all three chambers. Turned off the water supply. When I screwed the containers back on (empty), I reattached and turned on the water supply. ONLY the first container (far right) filled, then nothing. I tried turning the unit on at that point, and still nothing filling up the other containers. Seems like something is clogged or prohibiting the water to flow through.
 
Here is what the unit
picture.php
 
To bypass the pump on that unit would be very easy. You will need a connector though to do it. But you can just take the 2 lines of the pump, and connect them together....

But you should have water flow from the first chamber to the second without any problems. I would say take the canister off and see if water will flow then. The plug or problem could be after the chamber and the unit just presurizes the air and only allows water into the first chamber.
 
That is what I am trying to figure out. If I were to bypass the pump, it would continue making water, just slower? Also, I noticed once the first chamber fills up, the tube goes into some type of sensor, and not out the other side to fill the second chamber, which it usually does. Maybe that sensor is broken or something.
 
Yes if you bypass the pump it will still make water, just slower.

From what I can see, you have a T on the outside of the first and last canisters, with I am guessing a TDS sensor in one end of the T, and the other end of the T should go to the next canister for the first one at least. Then the second canister should go up to the pump, from pump into the membrane housing, then off the membrane housing you have 2 lines, one waste water, and one good that goes into the last canister (di resin), and on the outside of it is the other T, with the good water line and second TDS sensor.

Kim
 
The first chamber fills up, and there are two outflows (front and back). One of those goes to some type of magnetic sensor, which would flow through to the second chamber. When I released the tubing from that sensor, it released a ton of pressure. I know the water is not getting past that sensor. Also, still no pressure from the gage on the pump.
 
Hmm. I don't know what the magnetic sensor would be. I don't know why some people like to make simple things so complicated.....

It is was mine, I would simplify it a lot. Remove the pump and all sensors and then make sure everything works.

Just have the water go from canistor to canistor to membrane to di and see if it works. Then you could start adding the extra's back in and see what all stops it from working. At the most you would be out 10-15 bucks in new fitings from homedepot/lowes to get it working. Or you could try and contact Vertex customer support and see if they can explain what is going on with it.

Kim
 
Okay, I bypassed the following piece. There are two in the unit, and the other one is a sensor that stops the unit from making RO when pressure builds. This one was the next step in flow from the first cylinder, between that one and the middle one. I took it apart, and it looks like a magnetic stopper that wants to stay in the "Stopped" position. Not sure why there would be a switch there. I took it out and bypassed it connecting the tubing completely bypassing the switch all together. The rest of the compartments filled and the pump gained pressure and it making water again. Here are the pictures of the sensor that seams to be failing.

picture.php

picture.php
 
Last edited:
That is a 120 VAC selenoid. It needs power applied to it, to allow water to flow. If you hook it up to some sort of a plug and plug it in, will it allow water to flow?

Most of the time they are used as part of top off units, so you can put them on a timer to make sure it does not produce more water than you can use....

Kim
 
That is a 120 VAC selenoid. It needs power applied to it, to allow water to flow. If you hook it up to some sort of a plug and plug it in, will it allow water to flow?

Most of the time they are used as part of top off units, so you can put them on a timer to make sure it does not produce more water than you can use....

Kim
 
That is a selenoid. It needs 120 volt ac power to open up. I don't know why it is on your RO unit, but that is what it does. So without power no water will go through it.

So either it is bad, or it is not getting power for some reason.


Kim
 
It is connected to the unit, so when the unit is powered on, it should work fine. The problem is that when the unit is on, it shuts off water flow and isn't working properly, so I just pushed it out of the occasion.
 
If you dont need it, and I don't see why you would, keep it off.

So is the unit working correctly now with it removed?
 
That is a pressure switch that is part of the auto shut off system and is also used during the automatic backflush of the RO membrane. You can probably get a new part ordered from Vertex, but with the controller flushing the RO membrane on startup and every 2 hours during water production, that is most likely a necessary component. My best guess is it prevents the backflushed water from going back into the pump, 2nd and 1st stage canisters.
 
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