Jebao DCP return pump?

Jebao DCP return pump?

wondering.. read through all this..



do we have info on DCP18000 running as return pump with to push water up 5 meters.. or 15 feet i should say.



I have a 15 year iwaki rlt 100 that is .. i think about to fail...



my apex is showing that it is pushing 1250 gallons roughly per hour at that height.. wondering if the DCP 18000 can at least match that..



Real world test right here... from a previous post to f mine from a couple weeks ago-


To play devils advocate here- i literally just finished testing a Jebao DCP 18000. I tested with 1.5" sch40 17 feet straight up in my yard and got 1900 gph at 100% (130W). While this is around 1/2 of the stated stats on the box, it is much more than i need for my 180 gallon tank. I can add a T-manifold for a refugium, and frag tank and still hit 7X turnover on my DT.

My plumbing plan is a 5 foot vertical- 15 foot horizontal at a 1/4" per foot pitch- 7 feet vertical. 2 x 90 degree elbows and about 5 feet of flex sch40 in that run. I used a head pressure calculator to calculate the head and it came out at 18.2 feet.

im pretty happy about it. Although it is about 1/2 of the rating, for $129 its a great deal. plus it runs internal so i dont have to drill holes.


Another basement return question
https://r.tapatalk.com/shareLink?ur...share_tid=2674892&share_fid=1489&share_type=t


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thank you for the input.. will see how the DCP handles the return on my system.. the returns are one per side. each side of the tank has right now an iwaki rlt 100.. so talking total of over 800 watts.

each side is split.. one side passes through a uv unit.. larger unit.. so there are some curves and elbow on the returns..

Will be interesting to see ... right now at a head height of 15 feet the iwaki rlt is giving me a total return of 1150 to 1300 gallons per side per hour. (according the apex flow meters) .. Given all the elbows and curves and splits on my returns.. although the curve for the Iwaki rlt100 says 1740 gallons per hour a loss of 500 gallons, although not great is not to bad.
 
My DCP-6500 is a dud

My DCP-6500 is a dud

I have heard great things about this pump from local reefers in my area using them for returns or for water changing station pumps. I purchased the DCP-6500 for my water changing station. I plumbed it, primed it with water, and get it ready to go. I plugged it in and got P000 to display on it and then nothing.

Tried again several times and got it to work, but as soon as I unplugged it wouldn't start up again.

It's extremely frustrating because I have plumbed the entire station and I'm past the 30 day return window on Amazon (I should have purchased to a better site like Chewy or something), but now I'm stuck with a really expensive PVC elbow.

My Quiet One pump can run water through the pump and power the station inside my containers (with no leaks yay!).

I wish I could use it but I think the powersupply is junk. When it works I let it run for about 10 minutes then I try to adjust the flow and as soon as I press the adjustment button I get ER01. I don't know what to do at this point.

If I could do it again, I would have just plumbed the quiet one externally and would have been done with it :(.

Reference pics are below if anyone can help. Jabeo is not helpful and I'm out of the Amazon return claim period (30 days - I had the equipment with me in the box while I was setting everything up :-/ ).

https://cdn.discordapp.com/attachments/429010770198528000/450807289381650432/image.jpg

https://scontent-dfw5-1.xx.fbcdn.net/v/t1.0-9/33869728_10106239427134835_7483756410476429312_n.jpg?_nc_cat=0&oh=09d0dd13acc2829fbedc786acfdc5f89&oe=5BBD762C

https://scontent-dfw5-1.xx.fbcdn.net/v/t1.0-9/33664686_10106240271742235_8459139205610602496_n.jpg?_nc_cat=0&oh=5883d4e92e720afe40537629d31c8928&oe=5B85E691
 
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I have heard great things about this pump from local reefers in my area using them for returns or for water changing station pumps. I purchased the DCP-6500 for my water changing station. I plumbed it, primed it with water, and get it ready to go. I plugged it in and got P000 to display on it and then nothing.

Tried again several times and got it to work, but as soon as I unplugged it wouldn't start up again.

It's extremely frustrating because I have plumbed the entire station and I'm past the 30 day return window on Amazon (I should have purchased to a better site like Chewy or something), but now I'm stuck with a really expensive PVC elbow.

My Quiet One pump can run water through the pump and power the station inside my containers (with no leaks yay!).

I wish I could use it but I think the powersupply is junk. When it works I let it run for about 10 minutes then I try to adjust the flow and as soon as I press the adjustment button I get ER01. I don't know what to do at this point.

If I could do it again, I would have just plumbed the quiet one externally and would have been done with it :(.

Reference pics are below if anyone can help. Jabeo is not helpful and I'm out of the Amazon return claim period (30 days - I had the equipment with me in the box while I was setting everything up :-/ ).

https://cdn.discordapp.com/attachments/429010770198528000/450807289381650432/image.jpg

https://scontent-dfw5-1.xx.fbcdn.ne...=09d0dd13acc2829fbedc786acfdc5f89&oe=5BBD762C

https://scontent-dfw5-1.xx.fbcdn.ne...=5883d4e92e720afe40537629d31c8928&oe=5B85E691
But a new one, take the good power supply out and then return it. I'd feel less bad about that because it was actually defective.

Sent from my SM-G950U using Tapatalk
 
you installed it external? you said you had to prime it.
The DC pump will stop if it is run dry.

I think it worked as it should and you were trying to run it like an AC pump.
 
you installed it external? you said you had to prime it.
The DC pump will stop if it is run dry.

I think it worked as it should and you were trying to run it like an AC pump.

I am not sure what he meant by priming it. His setup should work witout any priming as long as the valves are open. I use this pump for the very same type of mixing station.
 
typically, priming is needed if there is air trapped in the pump. in most cases, starting the pump should push any trapped air out. It seems like in this case, it is not able to and the controller shuts down to prevent pump from running dry. If the pump runs fine in a bucket of water, then the problem is in the way it is installed, not the pump. Like perhaps it was setup to "suck" water to the input, which will not work.
 
As an example, I used to use an Eheim pump and attached an elbow to the input so it sucks in water like within half inch from the bottom of the sump. This worked fine with the ac pump, but did not work with DC pump as it is not able to purge out the air trapped in the elbow with suction. Perhaps due to the soft start feature? AC pump runs at full speed once power is applied. Does this mean DC pump is defective? I don't think so. Just not designed to work in that configuration.
 
As an example, I used to use an Eheim pump and attached an elbow to the input so it sucks in water like within half inch from the bottom of the sump. This worked fine with the ac pump, but did not work with DC pump as it is not able to purge out the air trapped in the elbow with suction. Perhaps due to the soft start feature? AC pump runs at full speed once power is applied. Does this mean DC pump is defective? I don't think so. Just not designed to work in that configuration.

AS far as I can tell, the pump should be flooded as long as there is water in the container. More importantly, once "primed" there shouldn't be air any longer. Unless he is doing something wrong...
 
AS far as I can tell, the pump should be flooded as long as there is water in the container. More importantly, once "primed" there shouldn't be air any longer. Unless he is doing something wrong...


not the case in my example.
because when pump is turned off, some air gets sucked in from the overflow and comes out the pump input (through the elbow). So now, there is air trapped inside the elbow again and starting the pump gets the same air lock problem.


I am only guessing Convict Tangs connection is causing air to be trapped in the pump, hence causing the problem.
 
not the case in my example.
because when pump is turned off, some air gets sucked in from the overflow and comes out the pump input (through the elbow). So now, there is air trapped inside the elbow again and starting the pump gets the same air lock problem.


I am only guessing Convict Tangs connection is causing air to be trapped in the pump, hence causing the problem.

I am talking specifically about his setup.
 
I am talking specifically about his setup.


he did not describe exactly how his was setup.


How is yours setup? maybe if you describe it he can configure it the same way as yours.


I just saw his pic that he configured it as external pump. Is your setup identical?
 
Yes, I looked at the picture and mine is exactly the same. It really makes no difference that the pump is external as long as the inflow is under the water level and the air can freely escape via the outflow. My experience with the pump is that even when it shuts down when running dry, the wattage is not zero.
 
ok, I think the mention of priming threw me off. I agree priming has nothing to do with it.



ER01 means abnormal working current.
The controller (any DC pump for that matter) has overcurrent protection.
It may be the tolerance of the current sensing resistor is off.
I'd say try a different controller.


try in the following order: get a replacement (controller, or better, the entire package) under warranty from the vendor, or borrow a controller from someone to test, or get another controller ($20 on amazon).



If bought from amazon, vendor is probably cnz lighting. They should take care of warranty for you.


I'd still say test the pump in a bucket of water to see if you get ER01.
 
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Just put two DCP-18000 on my system. Was a little cumbersome to install, had to think a little with the fittings it come with however both are at 45% and are quite as a mouse. So far I really am liking them and to be able to turn them up when needed and feed anything I could ever attach to my system is really nice.
 
I've had this pump (18000) running for about 6 months now and I'd say it's the best pump I've ever had Chinese, cheap or not. You can't hear it or tell it is running unless you put your head next to it. I don't understand how but it doesn't even so much as get warm to the touch. I currently have it pushing from my 150 gallon basement sump up 11 feet and over to my 65 display at 80 watts of 130 available. I just got the Red Sea Reefer 450 and want to T off from the 65 and run the 450 inline. I feel pretty confident that it could handle it but am not sure. all three rises equal 16 feet. Overall height from the pump to highest point would be 11 feet. There is approximately 30 feet of horizontal pipe and 5 elbows, 3 45's. All 3/4" PVC. Pump is rated at Max Head: 30ft. From what I have explained, would it technically be possible? The different calculators I've found online have not settled my concern so was hoping a thread of those experienced with the pump may be able to shed some light. Thanks in advance for your time and response!
 
ok, so in the market for a jebao....
what model should i be looking for now... is there a simple cheat sheet

DCP, DCS, etc,

In general you want 3-5x display tank size in GPH after head losses..
So try to calculate your head loss (basically vertical height from pumping place to the highest point its being pumped to plus a bit of fudge factor to account for elbows/restriction) then look at the flow chart for the pump and find the one that works..
Being that these are controllable I actually recommend shooting for one that can do twice the needed flow as you can then run it at 50% which will typically extend its life.
 
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