Calcium reactor feed pump CRTT deltec

steveweast

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Yikes! I thought I was the only one with this issue! I'm in the same boat, my Jebao DC-650 just died and I'm unable to find a replacement. I just emailed them asking if they know the wattage that the CRTT controller will support, because I've been able to find 12W DC pumps. I believe the DC-650 was 8W.
For giggles, I tried the 12w unit. Although the fittings are the same, it didn’t work.
 

steveweast

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Yeah mine bit the dust today but was on and off this last two weeks. Who are you talking to with CS?

This is the new reply I received.

I have reached out to our manufacturer and are working towards a reasonable solution for replacement. I have asked for the power specs for the controller as well. I should reiterate that it is not allowable for me to recommend outsourcing since the CRTT is a unique system.

I do however know the importance of restoring functionality to your unit, and more specifically because you purchased this unit from us a year ago.

I am hoping to resolve the complications quickly. I will update you promptly.

Talk soon.
Lets us know if they find a solution or source replacement pumps.
 

Toky916

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WOW. 1 Month ago I almost bought their largest version for my 850 gallon reef. Glad I didn't, and now I never will.
Yeah, great concept but them changing out pumps and controllers almost every year and not offering product support.
With the price point should be ashamed of using a cheap jeabo pump.
They are changing the controller to charge $400+ run another jeabo pump?
 

FishTruck

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Which model pump did you try?
Also, did you try submersing the pump? I think they might have some kind automatic shut off when dry.

1718997159040.png
 

Semp

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I picked up a used CRTT3000 dirt cheap recently, cleaned it up & everything is working as it should. I'm in the process if gathering spare parts in the event of inevitable equipment failure.

That's when I stumbled upon this thread, a bit concerning given that when the pump dies I'm pretty much screwed, unless I fork out for an entire new controller.

Has anyone found a suitable replacement pump yet or heard back from Deltec at all?
I came across this pump in my search, I know it's another Jebao, but the specs look to be in the ballpark of what's required:

pump.PNG


Alternatively, has anyone tried to wire up a relay switch yet? I'm in no way good with wiring up electronics, but It seems like a pretty straight forward way to trigger on any small dc pump you like, using the CRTT feed pump output as the on/off signal?
If no one has, I may give it a shot myself down the line.
 

reeftivo

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i'm not familiar with that reactor but have you thought about possibly using a small quality feed pump like a sicce 0.5 and a continuous duty peristaltic to controll the effluent drip. I use the 0.5 with a kamoer fx stp on my MRC. works great. Not sure if that would work for your RX set up though if the controller needs to start and stop the feed.

 

steveweast

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i'm not familiar with that reactor but have you thought about possibly using a small quality feed pump like a sicce 0.5 and a continuous duty peristaltic to controll the effluent drip. I use the 0.5 with a kamoer fx stp on my MRC. works great. Not sure if that would work for your RX set up though if the controller needs to start and stop the feed.

These reactors are different than a typical reactor. There is no drip or CO2 bubble counting. The controller takes the total amount of effluent desired per day in liters....then divides it up into dosing intervals about 5 minutes apart.

When the controller calls for effluent to be dispensed, the feed pump engages through a flow meter. If the flow meter doesn't sense water being fed from the feed pump....alarms go off and the whole thing shuts down. The controller and feed pump need to be matched to work.

I have not heard back from Deltec although they said that they didn't expect a shipment for about two months....that was about three weeks ago.

I did tried another Jebao pump with nearly the exact same specs as the original....but, the controller didn't recognize it and it didn't work.
 

reeftivo

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These reactors are different than a typical reactor. There is no drip or CO2 bubble counting. The controller takes the total amount of effluent desired per day in liters....then divides it up into dosing intervals about 5 minutes apart.

When the controller calls for effluent to be dispensed, the feed pump engages through a flow meter. If the flow meter doesn't sense water being fed from the feed pump....alarms go off and the whole thing shuts down. The controller and feed pump need to be matched to work.

I have not heard back from Deltec although they said that they didn't expect a shipment for about two months....that was about three weeks ago.

I did tried another Jebao pump with nearly the exact same specs as the original....but, the controller didn't recognize it and it didn't work.
thanks, understand now. I hope all works out! Sounds like a neat rx

Tivo
 

FishTruck

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To run this thing without the proprietary controller... just thinking... could you...?

1. wire the float valve to a controller and solenoid from autotopoff.com
2. use a variable speed pump for circulation... trial and error and might be a little tricky and getting one to fit just right without adaptive plumbing
3. use a peristaltic pump for the daily feed - controlled with your Neptune apex for precision. I am assuming the whole business about using a feed pump and flow meter was to save money over using a peristaltic pump.

How, then, to set up an alarm for when the "CO2 empty".. or any other condition where the float valve is stuck in the flooded position for too long?
 

Semp

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This is what I've been thinking since FishTruck suggested the solid state relay earlier.

Doing something like this you will still have all the original controllers functions.
It should also be possible to use any feed type you like, including a more reliable peristaltic pump, as you'd just feed it directly though the flow meter as normal. It would essentially be a plug & play unit that would allow swapping to different feed pumps as needed.

This is the basic wiring & relay:

relay.PNG


Waterproof connector so you don't have to butcher the existing controller cable, this will signal the pump on / off. If the original pump is toast I'd just cut that off & reuse it:

cable.PNG


Wiring for between the new power supply & the new pump itself, when the relay is active the circuit will complete & turn on the pump:

12v.PNG


Sam goes over a very similar setup for DIY skimmer overflow protection, obviously wont need the additional power supply or float switch as we'd use the existing controller to activate the relay.


My reactor is still on standby, as dosing is keeping up with demand for the moment, so I wont give this a go for a while.
But if your pump is dead right now & you need to replace the whole controller with a new one anyway, this could be worth a try first before shelling out big bucks & waiting weeks for the replacement to arrive. Only for them to change feed pump designs again in a years time leaving you in the same position.....

Think I'd much prefer to use a peristaltic pump anyway if I could.

Anyone spot any glaring issues going this route? Just going to add, I'm no electrician so take no responsibility...
 
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FishTruck

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Steve said the controller did not recognize the replacement Jaebo pump. Is there some feedback - other than the flow meter?
 

FishTruck

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This is what I've been thinking since FishTruck suggested the solid state relay earlier.

Doing something like this you will still have all the original controllers functions.
It should also be possible to use any feed type you like, including a more reliable peristaltic pump, as you'd just feed it directly though the flow meter as normal. It would essentially be a plug & play unit that would allow swapping to different feed pumps as needed.

This is the basic wiring & relay:

relay.PNG


Waterproof connector so you don't have to butcher the existing controller cable, this will signal the pump on / off. If the original pump is toast I'd just cut that off & reuse it:

cable.PNG


Wiring for between the new power supply & the new pump itself, when the relay is active the circuit will complete & turn on the pump:

12v.PNG


Sam goes over a very similar setup for DIY skimmer overflow protection, obviously wont need the additional power supply or float switch as we'd use the existing controller to activate the relay.


My reactor is still on standby, as dosing is keeping up with demand for the moment, so I wont give this a go for a while.
But if your pump is dead right now & you need to replace the whole controller with a new one anyway, this could be worth a try first before shelling out big bucks & waiting weeks for the replacement to arrive. Only for them to change feed pump designs again in a years time leaving you in the same position.....

Think I'd much prefer to use a peristaltic pump anyway if I could.

Anyone spot any glaring issues going this route? Just going to add, I'm no electrician so take no responsibility...
Also… a peristaltic pump might not be able to deliver water fast enough to satisfy the deltec controller.

One final comment… if you build a prototype to test us out make sure that Jaebo pump is in the water before you decide if it’s working or not - I think they have a shut off if they’re dry.
 

FishTruck

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Also… Semp… I was thinking of a relay with AC output. If the pumps are so finicky that they won’t take the DC directly from the Deltec controller , they might not take the DC from the relay either. I have no idea why this would be, but it seems to be the experience so far. With AC you could power the pump pump controller that comes with the pump.

I still have a working pump and a spare.. so it will be awhile before I do this…
 

FishTruck

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I was thinking something like this. The DC output from the Deltec controller goes to the green thing. Then, your new pump can be used without any modifications.


1720646742731.png
 

Toky916

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Ok, now someone has to give it a try, I mean it’s totally worth finding a fix for this.
The customer support at this point is a joke.
They don’t stock the pump or have a fix is ridiculous.
Why not use a quality pump from the beginning!
 

FishTruck

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OK fine, I'll try it - even thought I have a working pump and a spare.

Controllable 4-Outlet Power Relay Module $44.00.​


If this ruins my Deltec controller, then one of you - who is dead in the water -has to give me your old one.
 
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