This is the first time I've tried to use a Bean Animal setup. On test runs of the system using just a single return pump (plan is for there to be two), the siphon doesn't seem to be running any faster than the Durso line, even with no restrictions on the siphon line.
The two lines are 1.5", and I've set things up in the overflow box as inverted J's or candy canes, using a pair of street 90's to form a complete U-shaped curve at the top of each. I drilled a 1/4" hole in the very top of the arc on the Durso line to prevent siphoning. Both J's come up to the same height, so the weir the water has to spill over to start down the pipe is at pretty much the same height for each. However, I added an extension to the inlet on the siphon line so that its entrance is closer to the bottom of the overflow box than the entrance to the Durso line is.
The siphon line extends about 15" down from the box before turning almost 90 degrees with a large-radius elbow to pass through wall to filtration room on the opposite side, with another 4" drop or so as it angles down to the sump. Yes, I realize that introduces back pressure/retards the "pull" of the falling water in the siphon tube, but it's what I've got to work with.
To get the Bean Animal system going, do you have to "overwhelm" the siphon with water first, to overcome the bubble of air that will be in the top part of the siphon initially? If that's the case, perhaps I am not putting water into the DT at a fast enough rate. Trying to hide return pump under the DT has introduced 3 hard 90 degree bends in 3/4" line, and water clearly isn't flowing into the DT at rate I know the pump is capable of producing. (Yet another idea for this build getting scrapped......)
(In the last photo, the siphon line is the one coming in above the Durso line. The flow splitter to feed the pair of ClariSeas will eventually be hooked into the siphon line and will be lower down than as currently shown.)
Nothing has been easy with this build......:headwally:
The two lines are 1.5", and I've set things up in the overflow box as inverted J's or candy canes, using a pair of street 90's to form a complete U-shaped curve at the top of each. I drilled a 1/4" hole in the very top of the arc on the Durso line to prevent siphoning. Both J's come up to the same height, so the weir the water has to spill over to start down the pipe is at pretty much the same height for each. However, I added an extension to the inlet on the siphon line so that its entrance is closer to the bottom of the overflow box than the entrance to the Durso line is.
The siphon line extends about 15" down from the box before turning almost 90 degrees with a large-radius elbow to pass through wall to filtration room on the opposite side, with another 4" drop or so as it angles down to the sump. Yes, I realize that introduces back pressure/retards the "pull" of the falling water in the siphon tube, but it's what I've got to work with.
To get the Bean Animal system going, do you have to "overwhelm" the siphon with water first, to overcome the bubble of air that will be in the top part of the siphon initially? If that's the case, perhaps I am not putting water into the DT at a fast enough rate. Trying to hide return pump under the DT has introduced 3 hard 90 degree bends in 3/4" line, and water clearly isn't flowing into the DT at rate I know the pump is capable of producing. (Yet another idea for this build getting scrapped......)
(In the last photo, the siphon line is the one coming in above the Durso line. The flow splitter to feed the pair of ClariSeas will eventually be hooked into the siphon line and will be lower down than as currently shown.)
Nothing has been easy with this build......:headwally:
