[concept]

Just set up my HF4 4040.

TDS in 360-ish

60psi

Cant seem to get output TDS lower than 40?!

Any guesses?!

[concept]

Cant speak to GAPS as they are closed... 

[Topclean]

Have you flushed it (you need to do this for at least an hour) then run it for another hour then check it will come down. Even more over the coming days, thats what mine have done anyway!

[concept]

an hour? ok, will try that.

with the waste fully open?

[Topclean]

yep!

[concept]

Will give it a go, as so far, my Merlin may not be retired just yet!!!

[Smudger]

as per TC


flush !

test again in an hour or longer --   my tds is 320 and i'm getting 003 out    happy days.
( merlin at it's best was 009 - but after 2 years and making approx 160,000 ltrs of pure it had crept
upto 30 ! )

Darran

[concept]

cheers guys, its now sat flushing out.

will check it in a bit and report back.

Gaps paperwork says 10 minutes flush?!

[Ian101]

cheers guys, its now sat flushing out.

will check it in a bit and report back.

Gaps paperwork says 10 minutes flush?!

once its "bedded in" new ro can take a couple of hours to flush then once a week for 10 minutes .... not that Im one to give advice as flush mine about every 2 months as keep forgetting but then flush it for an hour

[concept]

what sort of ro/waste ratio do you guys run?

[Ian101]

HF5 4040 ... tds in of about 180 to 220 varies during year and tds out of 3 to 5

changed my prefilters and dropped from tds out of 10

my resin has lasted for 6 months but tds has SHOT UP to 2 after di so best change resin 

[[GQC] Tim]

Regular flushing is much more important then doing it once a week for an hour. For every fill flush it for 10min. This also helps get the air out of the membrane, membranes which are not wet properly fail.

Is it a new housing? New membrane?
Internal O rings (which seperate waste and feed from pure) can wear and need to be replaced after time.

[concept]

Brand new set up yes.

[concept]

 

36!!! Thats after over an hour and a half of flushing, and the waste almost maximum, so RO water is just trickling out.

This cant be right surely?

My Merlin with 2 year old filters produces more and better quality 

[Steve CM]

do you wanna bring it over on monday and i'll compare it with one of mine?

may rule out if theres a problem

[concept]

Will chat to Gaps first. It has to be something simple like membrane not sitting right...has to be, or else I will stick to my Merlin!!!

[Steve CM]

ok, you actually seen how much it produces yet even if its at 36?

[concept]

Yep, just a dribble..

[Steve CM]

Somethings not right there mate. I'm getting 400 liters an hour off a single hf5

[concept]

No one got any clues to what it might be?