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  1. #1

    Profidrum Combi 50 Waste issue

    Just got my Profiodrum Combi 50 unit running for a week now. I am using 4 inch pipe as waste pipe. But after a few days the waste tray and pipe is already 50% full of sludge. I was hoping for lower maintenance than this!

    What are other ProfiDrum users experience with waste clogging / cleaning. Do you need to clear it regularly (how regularly?)

    Has anyone found a way to make this maintenance free? I see on YouTube someone has fitted a pressure pump spray to be turned on manually to force the waste down the chute, but I am hoping for a simpler solution than that!

    Any opinion/experiences welcome!



  2. #2
    Senior Member Rank = Yonsai Liam77's Avatar
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    Might be easier to explain if you get a picture up with as much waste pipe on show as you can. I take it you have levelled the drum of as good as it can be? Water will find its way down easy enough but solids need as much help as they can.

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    Moderator Rank = Supreme Champion Feline's Avatar
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    Have you watched it do a rinse cycle to see that all the nozzles are working and angled properly?

  4. #4
    I have, nozzles working well.

  5. #5
    Moderator Rank = Supreme Champion Feline's Avatar
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    Have you got the 4" pipe coming downhill immediately as it leaves the drum?
    Is there any kind of a lip from the connector that could be causing solids to back up?

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    Extreme Koi Member Rank = Jussai RJW2012's Avatar
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    Profidrum Combi 50 Waste issue

    There’s another Thread with pictures of the waste outlet - we only discussed this last week.

    As Feline states, are you using a 90” boot?

    ‘Profi Drum - waste outlet’ is the Thread.

    Rob.


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    Last edited by RJW2012; 15-08-2018 at 08:25 AM.

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  9. #7
    Thanks for the replies so far, here is a picture of the waste. It has a 3-4 cm drop, and I know that it should do vertical after the exit point, but my installer put this in without asking me, and I am now stuck on what to do!5729B1EB-15D6-4B5B-9FB7-88229ACC2AB6.jpg

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  11. #8
    Extreme Koi Member Rank = Jussai RJW2012's Avatar
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    Profidrum Combi 50 Waste issue

    Yes, not ideal that as you say.

    Short of jamming your hose in every few days and giving it a good blast...

    Could you drop the height of the white exit/waste pipe to allow you to put some sort of drop from the drum exit?

    Rob.


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    Last edited by RJW2012; 15-08-2018 at 06:40 PM.

  12. #9
    I think your problem relates to the old adage that “sh*t doesn’t run uphill”.
    Your fall to waste doesn’t seem that much, very shallow.
    Maybe...
    1. increase the number of flushes the drum does to get some more water down the chute
    2. Tee off the spray bar and add another nozzle pointing down the chute to give it a blast.



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  14. #10
    [QUOTE=bigcarpchaser;274912]I think your problem relates to the old adage that “sh*t doesn’t run uphill”.
    Your fall to waste doesn’t seem that much, very shallow.
    Maybe...
    1. increase the number of flushes the drum does to get some more water down the chute
    2. Tee off the spray bar and add another nozzle pointing down the chute to give it a blast.


    That idea is a good one, Thanks!

  15. #11
    Extreme Koi Member Rank = Jussai RJW2012's Avatar
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    Profidrum Combi 50 Waste issue

    On the ProfiCombi 15 I’m not sure I’d want to cut into the metal spray bar from the pressure pump - I guess you could Gary??



    I’ve not seen a 50 in the flesh so it may be slightly different (more nozzles/bigger screen obviously so I’m guessing the spray bar is similar - picture please Basil!!)

    Rob.


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    Last edited by RJW2012; 15-08-2018 at 06:38 PM.

  16. #12
    I wouldn’t try it myself but then I’m a numpty but I suspect any self respecting plumber would be able to do it. Most drums have plastic pipe to the nozzles so it wouldn’t be so much of an issue I guess


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    Extreme Koi Member Rank = Jussai RJW2012's Avatar
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    Profidrum Combi 50 Waste issue

    Yeah, I haven’t been brave enough to remove the spray head assembly, so I don’t know how they are attached either (it’s a small hex screw, that’s as far as I got...)

    Rob.


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    Last edited by RJW2012; 15-08-2018 at 07:29 PM.

  19. #14
    Moderator Rank = Supreme Champion Feline's Avatar
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    I would personally not mess with the drum at all- just replumb the waste. it should be connected via a rubber boot initially so it's a really trivial matter to just swap that for a rubber 90. You can even use cheapo push fit waste fittings from your local DIY centre for this as it's totally unpressurised and not actually full of water ever (or shouldn't be anyway!).

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    Moderator Rank = Supreme Champion Feline's Avatar
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    It's a bit dark and dingy inside my filter house tonight but this shows the drum outlet and the angle I have on the pipe through to the drain chamber
    IMG_5068 by Lara Day, on Flickr

    Excuse the filter house mess- I've recently set up pond recycling RO which is working great but I haven't tidied up all the pipes and wires yet

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  23. #16
    Don’t get Frimley round to help tidy up, it’ll still be like that in 6 months Profidrum Combi 50 Waste issue


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  24. #17
    Quote Originally Posted by basil View Post
    Thanks for the replies so far, here is a picture of the waste. It has a 3-4 cm drop, and I know that it should do vertical after the exit point, but my installer put this in without asking me, and I am now stuck on what to do!5729B1EB-15D6-4B5B-9FB7-88229ACC2AB6.jpg
    The waste is the pipe connecting to the white elbow or am I reading your picture wrong??


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  25. #18
    Senior Member Rank = Nanasai Handy Kenny's Avatar
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    Basil,

    Looking at your photo I am getting that the waste from your drum goes into the sunken wheelie bin with the green lid, is it a bio-digester or do you have to empty that as well. If there is a pipe which goes to the bottom of the wheelie bin consider shortening it as it could easily clog up. I would imagine that you are only using two thirds of the depth of the wheelie bin to collect the muck so that equates to about 150 litres. If you lower the height of your waste pipe around your sunken box you will have to cut a new hole through the wall and into the wheelie bin and you will have less collection volume. So to retain the collection volume in your wheelie bin you need to sink it further into the ground which means the lid would be below ground level. Is there no opportunity to connect to a 4" household waste pipe nearby, this would be the best long term option. The alternative would be to raise the height of the RDF as much as is possible leaving the pipework at the existing height. The run on a water pipe only really needs to be around an inch per yard.

    Another consideration is that if you have just started using the RDF and it cleans automatically it will be going more often and collect more muck than it would when the pond is clean(ish). Mine certainly did for about a week then as the pond was cleaner it started up less often. Mine is not on a timer but is controlled by water level in the RDF itself. Your RDF cleaning often may easily have filled up your wheelie bin to the point where the water has backed up to your RDF not allowing the waste to get away. As the RDF settles down you may find your problems go away. In the mean time make sure your wheelie bin is emptied regularly.

    Kenny

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  27. #19
    Extreme Koi Member Rank = Grand Champion lee63's Avatar
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    No fall on the waste is the problem as said plenty above. Its a long run too so you will find the 2 ltrs if that what the drum uses to clean with wont equate to much flow on a 4” run level at that length. Basically the tray will will then slowly eek away because of no fall. The heavy crap will stay in place and the water just slowly dribble away. Mine has a decent fall but still needs a bit of hose down from time to time not very often at all but its just to get stuff off the back and edges. Even if you put another spray head on aiming down the chute theres no increase of the overall amount of water going down it so it wont work, all that will happen is the crud will just get pushed a bit further along and start to block up the 4” pipe a bit further down it.


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    Its always a work in progress

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  29. #20
    [QUOTE=bigcarpchaser;274954]The waste is the pipe connecting to the white elbow or am I reading your picture wrong??


    Correct waste leaves via 4" rubber boot and pressure pipe, then uses 4" toilet bend before it empties into the green wheelie bin

 

 
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