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Old 05/20/2019, 11:14 AM   #1
mr9iron
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Bean Animal good need help

I purchased a Modular Marine 1200 gph overflow that has 3/4 uniseals on the external box to go to the sump.

I ran 3/4 pipe from the box about 8 inches down then coupled it to 1 inch plumbing and immediately installed the gate valve. The gate valve sits about 2 feet above the sump.

The weir is connected via 1 inch bulkheads that go to the external box and flow through the above mentioned pipe.

I cannot get enough flow through the weir to balance the Bean Animal.

I am using a Vectra L1 pump on a 93 gallon cube and it is returned via 1 inch plumbing with a couple of tees, 90s and a manifold.

Should I:
1. Install the gate valve at the sump so that the 1 inch pipe fills up and I can better adjust it. As it is now because of the increase of pipe size and the height of my gate valve I donít think the 1 inch pipe is able to get a full siphon going.

Or:
2. Rip out all of my plumbing and go 3/4.




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Old 05/20/2019, 12:15 PM   #2
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Quote:
Originally Posted by mr9iron View Post
I cannot get enough flow through the weir to balance the Bean Animal.
Can you be very specific about exactly what is happening?
Bubbles/gulping at secondary?
Sucking inside external box due to low water level?

It can take some time for a drain setup to reach equilibrium when first started up..

You may need to close the valve on the primary 50% or more..


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Old 05/20/2019, 06:32 PM   #3
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When I put the wier on the water in the tank rises so high that it almost overflows the tank.

The water level in the rear box drops and it just makes a really loud sucking/gurgling sound.

The bulkheads that attach to the rear box are 1 inch. However, the wier is auction fit and is reduced with 3/4 pvc.

I canít figure out how to attach a video or I would.


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Old 05/20/2019, 06:37 PM   #4
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Here is a link to the video I posted on YouTube. You really cannot hear me explaining the problem but you will see what happens.

https://youtu.be/-GpEzQdfplY


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Old 05/20/2019, 07:14 PM   #5
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@1:16 - the plumbing inside the drain box looks wanky - what's going on in there?

It looks like you have three open channels.


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Old 05/20/2019, 07:23 PM   #6
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@1:16 - the plumbing inside the drain box looks wanky - what's going on in there?



It looks like you have three open channels.


Iíve got an open channel, an emergency drain and the middle I was just playing around with. Even with a raised 90 it does the same thing.


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Old 05/20/2019, 07:24 PM   #7
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Iíve got an open channel, an emergency drain and the middle I was just playing around with. Even with a raised 90 it does the same thing.


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The secondary drain that is.


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Old 05/20/2019, 07:53 PM   #8
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Close valve more..thats it


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Old 05/21/2019, 04:21 AM   #9
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Close valve more..thats it


When I do that it causes my tank to overflow.


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Old 05/21/2019, 07:12 AM   #10
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I had similar issue with my tank getting the plumbing to flow just right. It ended up being the 90s on the drains. Changed to flexible pvc and all my issues were gone. Just trapped too much air in the drains.


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Old 05/21/2019, 09:16 AM   #11
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The water should not be at the tip top of the tank. You need to turn down the return pump. Your not getting enough flow from the weir to the drain box. That flow will be limited by the 3/4 inch fittings. Nothing you can do about that.

Then you will need to close the valve more to match the siphon to the overflow box flow


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Old 05/21/2019, 10:29 AM   #12
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Quote:
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The water should not be at the tip top of the tank. You need to turn down the return pump. Your not getting enough flow from the weir to the drain box. That flow will be limited by the 3/4 inch fittings. Nothing you can do about that.

Then you will need to close the valve more to match the siphon to the overflow box flow


Thatís kind of what I was thinking. By moving the gate valve to the sump it would allow the 3/4 pipe to fill the 1Ē pipe and I could make the proper adjustments then.

I can always adjust the flow from the return pump.

Thank you.


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Old 05/22/2019, 06:47 PM   #13
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I don't think the position of the gate valve is the problem. I think it is too much return from your pump


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Old 05/22/2019, 10:14 PM   #14
mr9iron
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Quote:
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I don't think the position of the gate valve is the problem. I think it is too much return from your pump


Even if I adjust the pump to the lowest setting? You think that would be too much flow?


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Old 05/23/2019, 12:13 PM   #15
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I would turn the pump down to about half. Then adjust the gate valve to match. You are overwhelming that 1200 gph overflow. I wouldn't put more than about 600 GPH through it. Then I would adjust the position of my emergency so that it is higher, as well as the open channel. When running normally you want the water as high as you can safely get it in the rear box. Then it will make much less noise.


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Old 05/26/2019, 05:58 PM   #16
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Turn the pump down so you don't overflow the tank. In order to raise the level in the overflow box you will need to close the gate valve on the primary siphon. I didn't see it in the video but I thought on a bean style you want to have a gate valve on your secondary as well. The secondary will also need to be below the water level inside overflow box but at a higher than level than the primary. It doesn't matter where the gate valves are located. I hope this helps.


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Old 05/26/2019, 06:03 PM   #17
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http://reefcentral.com/forums/showth...7#post14058977


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