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  #41  
Old 02-14-2012, 05:58 AM
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gregzz4 gregzz4 is offline
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If I understand correctly, Bean runs his drain 2" below his sump level
Have you looked @ his page?
http://www.beananimal.com/projects/s...w-system.aspx/
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  #42  
Old 02-14-2012, 06:00 AM
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NM, I just skimmed it and it only states 'just below the water level' or such.
I read somewhere that people are running theirs @ 2" with success. It helps draw the water down as there is no air in the lines. If your's is better now, leave it be.
Good luck with the overflow, you'll figure it out.
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  #43  
Old 02-14-2012, 12:33 PM
Daimyo68 Daimyo68 is offline
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Quote:
Originally Posted by gregzz4 View Post
Thanks for the pic and image.
Thought you should edit your post to not mislead others ...


From left to right, based on your valve in the center, you have yours setup as;
  • Emergency Standpipe
  • Full Siphon Standpipe
  • Open Channel Standpipe
You have worded your Emerg and Open reversed.
Thanks, I guess seeing it from the front all them time I unconsciously just labeled them while I typed it out.
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  #44  
Old 02-14-2012, 01:49 PM
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Gripenfelter Gripenfelter is offline
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Quote:
Originally Posted by braid11 View Post
Before throttling down, my Hammerhead sees probably max 17' head. That would be 3600 GPH, and even at 20' of head that is 3000 GPH. No wonder it overflowed the first time I tried it. I am at about 900 GPH now, so throttled down to 25-30% of max.

I think I can't get past 900 GPH because the air will not purge fast enough. My drains are about 3-4" under.

I only have about 1.25 inches from the top of the overflow box (about normal water level when all is balanced), until it flows out of the tank onto the floor. So not much time to fill the box, and purge. Maybe that is part of the problem.

Also, I read that when the drains are too deep in the sump, it takes longer to purge.

You are 6" under, and at 80% of full throttle, you must be flowing way more than 1000GPH. I know the system is supposed to be good to 2000GPH, but i can't get close to that.

So you drilled a hole in the elbow inside overflow box. You mean in the 90 elbow? Is it submerged when it's running? Because otherwise would't it suck in air and break the siphon?

Tom

Yes the elbow is submerged. I'm going to shorten the pipes though.
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314 gallon Drop Off Reef tank. 150 gallon sump. Bean Animal Overflow. Various Tangs, Angels, Triggers, Inverts, Corals, etc.

http://www.canreef.com/vbulletin/showthread.php?t=80379
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  #45  
Old 02-14-2012, 05:35 PM
braid11 braid11 is offline
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Quote:
Originally Posted by Gripenfelter View Post
Yes the elbow is submerged. I'm going to shorten the pipes though.
Thanks, I am now in the city untill Friday. I'll try a little hole in the siphon elbow when I get home.

Tom
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  #46  
Old 02-14-2012, 07:59 PM
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Quote:
Originally Posted by Daimyo68 View Post
Thanks, I guess seeing it from the front all them time I unconsciously just labeled them while I typed it out.
Of course, I should have thought of that myself
Don't want anyone new to this getting confused
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  #47  
Old 10-19-2014, 10:25 PM
garwood garwood is offline
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Quote:
Originally Posted by fishytime View Post
how?.....you stop the emergency just short of your water line in the sump so you can hear if the primary is clogged or needs adjusting....straight open run means no purging......
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