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Help with Water Pump

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  1. #1
    salty joe salty joe is offline

    Help with Water Pump

    Hello all. My name is Joe Norris and I live in N E Oh. Is this a place that I could get help building a circiut to rapidly turn a 24V, 30W DC water pump on and off? I have no electronics training, but have learned the basic symbols and how to read a basic schematic. In return I would be more than willing to help with remodeling problems by email or phone or if in the area with my hammer. I have been at it long enough to have learned an old timer trick or two...

  2. #2
    Boncuk Boncuk is offline
    Hi Joe,

    some more details would be much appreciated for your project.

    Doing it right with a relatively poor description won't suffice - and I hate doing things twice.

    What will be used (sensors, switches, float switches) to turn on and off the pump?

    For the supply power of the pump: Will it be battery or power supply operated? If battery operated, what kind of battery will you use? (e.g. SLA-battery)

    Should it be trickle charged at any time to have unlimited power available whenever it's needed?

    Regards

    Boncuk
    +1
    I spread chaos where ever I am. Too bad I can't be everywhere.

  3. #3
    Reloadron Reloadron is online now
    Hi Joe

    More details as Boncuk mentioned would help. I am sure something could be developed.

    Remodeling?

    Maybe we could talk as I'll be in the market for some quotes soon.

    Ron
    +1
    Please do not PM me with forum related questions. Let's keep things in the open forum. Thank you.

  4. #4
    4pyros 4pyros is offline
    rapidly turn a 24V, 30W DC water pump on and off?
    How fast? Water pumps are relatively slow. Can you leave the pump on and switch the flow?
    +1

  5. #5
    salty joe salty joe is offline
    Quote Originally Posted by 4pyros View Post
    How fast? Water pumps are relatively slow. Can you leave the pump on and switch the flow?
    I don't think so for this application.
    Quote Originally Posted by Boncuk View Post
    Hi Joe,

    some more details would be much appreciated for your project.

    Doing it right with a relatively poor description won't suffice - and I hate doing things twice.Me too.
    What will be used (sensors, switches, float switches) to turn on and off the pump?I'd like to do this with a controller.
    For the supply power of the pump: Will it be battery or power supply operated? If battery operated, what kind of battery will you use? (e.g. SLA-battery)Plugged into a wall receptacle.
    Should it be trickle charged at any time to have unlimited power available whenever it's needed?Hey, some kind of battery backup would be outstanding if it would kick on at a power outage!
    Regards

    Boncuk
    Quote Originally Posted by Reloadron View Post
    Hi Joe

    More details as Boncuk mentioned would help. I am sure something could be developed.

    Remodeling?

    Maybe we could talk as I'll be in the market for some quotes soon.
    Shoot me an email-I'll help any way I can.
    Ron
    Thanks for the replies. The label on the pumps say 24V, 1.3A, 30W. Shouldn't that be 31.2W? Anyway, I'd like to have a controller that will control two pumps to turn them both on and off simultaniusly, while giving me the ability to adjust the run time and the ability to adjust the not run time. A scheme of about 30 second run time and 5-10 second not run time should do the trick.

    This is to create random flow in a reef tank. I envision using two controllers to run four pumps. The controllers will be independent of one another, so they will not be synchronised creating the random flow. Does this seem like a doable project?

    Joe
    0
    Last edited by salty joe; 2nd January 2012 at 02:46 AM.

  6. #6
    salty joe salty joe is offline
    Sorry for getting my replies all mixed up with your quotes.
    0

  7. #7
    ronsimpson ronsimpson is offline
    http://www.electro-tech-online.com/c...2/01/CR_DS.pdf I found this at digikey.com
    This relay has two knobs on it. The pump will be on for the time set by one know and off for the time set by the other knob.
    The relay runs from 24VDC or a different version runs at 120VAC. Pins 2 and 7 need power.
    The contacts (switch) can handle 10 amps. Use pins 1-3, or 1-5 to control power to the pumps.
    Use the 0.6 to 60 second version or the 0.3 to 30 second version.
    +1

  8. #8
    Reloadron Reloadron is online now
    It is very doable You have 4 pumps that run on 24 VDC and draw about 1.3 amps each and yes that would be about 31.2 watts but what a pump really draws would be a function of how much work it is doing. You want to run two pumps per controller using two independent controllers. Pumps on about 30 seconds and pumps off about 5 to 10 seconds. Timing could be done using a 555 timer chip configured to drive the relays used to switch the pump(s) on and off. There is a good number of ways to go about this depending on budget and how fancy you want it to be.

    I was also serious about home remodeling. Looking at some major projects including ripping out and replacing walls. I am great at demolition and doing all the electric but suck at and hate drywall work. I am in Bedford Heights in the SE Cleveland suburbs.

    Ron
    +1
    Please do not PM me with forum related questions. Let's keep things in the open forum. Thank you.

  9. #9
    salty joe salty joe is offline
    Quote Originally Posted by Reloadron View Post
    It is very doable You have 4 pumps that run on 24 VDC and draw about 1.3 amps each and yes that would be about 31.2 watts but what a pump really draws would be a function of how much work it is doing. You want to run two pumps per controller using two independent controllers. Pumps on about 30 seconds and pumps off about 5 to 10 seconds. Timing could be done using a 555 timer chip configured to drive the relays used to switch the pump(s) on and off. There is a good number of ways to go about this depending on budget and how fancy you want it to be.

    I was also serious about home remodeling. Looking at some major projects including ripping out and replacing walls. I am great at demolition and doing all the electric but suck at and hate drywall work. I am in Bedford Heights in the SE Cleveland suburbs.

    Ron
    I don't need fancy, but I do need dependable. Speaking of budget, I got a price for a 555 a little while ago & almost fell out of my chair. All I can say is that must be the magic of capitolism.

    PM sent.
    0

  10. #10
    salty joe salty joe is offline
    Quote Originally Posted by ronsimpson View Post
    http://www.electro-tech-online.com/c...2/01/CR_DS.pdf I found this at digikey.com
    This relay has two knobs on it. The pump will be on for the time set by one know and off for the time set by the other knob.
    The relay runs from 24VDC or a different version runs at 120VAC. Pins 2 and 7 need power.
    The contacts (switch) can handle 10 amps. Use pins 1-3, or 1-5 to control power to the pumps.
    Use the 0.6 to 60 second version or the 0.3 to 30 second version.
    Thanks, this thing looks really interesting. Would I only need a 24V, at least 4A wall wart transformer to feed the relay and the relay would turn the pumps on & off & I'd be done? I'll find out what this cost tommorrow.
    0

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