Clean It Up
UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: EZclean on April 01, 2009, 12:07:40 am
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out the box and plumbed it in, fitted all membranes and pre-filters, fired it up, half an hour later, checked TDS. its the same as whats going in!! errr, whats going on their then, still waiting to hear from the supplier about it.
any ideas what it could be?
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anyone?
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Strange.
Are you sure that you are not testing the waste outlet instead of the product one?
There will be 2 pipes coming from the RO. One is waste and the other is product.
Test both to check.
Dan
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yeah, its what i thought too, but no, ive got the right outlet going to the tank
i just cant get my head round it. i'll get in touch with the supplier again.
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Have you flushed it?
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Doesn't a RO with a new membrane need to be run for a while before it starts producing clean water, can remember running mine for at least an hour when I 1st got it
Lee
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Doesn't a RO with a new membrane need to be run for a while before it starts producing clean water, can remember running mine for at least an hour when I 1st got it
Lee
same as
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Need a pic really, sounds like it's connected all wrong to me.
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sounds like the membrane isnt seated right
thus the water is just rushing past the membrane and its the same TDS
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ok, thanks for the replys, i'll try and get a pic on tomoz. on top of the membranes it says, pressure must be 55-85psi, it has twin pumps feeding 2 membranes with a working flow/pressure of 100psi. ???
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2 pumps?
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2 200gpd membranes with a pump each, looks like the waste and the pure are both T'd off into 1 outlet each. could be piped up to run in series 1pump feeding 2 membranes, apparently this would lower the waste ratio, well it would if it worked :'(
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pics of RO, Right hand side: cold feed inlet to first filter. manual flush tap and wate pipe. Left hand side: product water pipe going to water butt. Underneath: twin pumps and transformers
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underneath:
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That hose in your hand - is that all pipe from the feed? Do you have a hand held meter to check the product water? I'm wondering if the meter is working because i would have thought that even the pre-filters would drop the tds partially even if you had no membranes at all.
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i kowe i shudent say but is it a genuin RO as iv herd thers sum fakes out ther so this is just a ????????????
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That hose in your hand - is that all pipe from the feed? Do you have a hand held meter to check the product water? I'm wondering if the meter is working because i would have thought that even the pre-filters would drop the tds partially even if you had no membranes at all.
it is all cold inlet feed bud. tds works fine, i'm still running di only and it works fine on tap tds and pure readings.
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i kowe i shudent say but is it a genuin RO as iv herd thers sum fakes out ther so this is just a ????????????
well its an option, that i cant rule out yet :( it is an ebay one, still waiting to hear from supplier s to whats happening, i just wanted to rule out the obvious things you know, see if any expert eyes could see something i couldn't :'(
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Take the mebranes out and reseat them in the housings.
You havent got them in the wrong way round have you? There should be a rubbery flange around the end part of each membrane.
It is the other end that goes into the housing first.
Dan
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Take the mebranes out and reseat them in the housings.
You havent got them in the wrong way round have you? There should be a rubbery flange around the end part of each membrane.
It is the other end that goes into the housing first.
Dan
I had the same problem, the membranes have to be pushed into the rubber seals properly otherwise the water bypasses them. You push them in until there is some resistance, then push a bit harder and you will feel them go into the seal. And make sure they are the right way round!
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sounds like the membrane isnt seated right
thus the water is just rushing past the membrane and its the same TDS
Hum hum