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Author Topic: Bilge Pump Switcher  (Read 1221 times)

rickles23

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Bilge Pump Switcher
« on: June 06, 2017, 10:43:50 AM »

Hi,


I have an old but working Bilge Pump Switcher made by Hunter Systems.


It's a long time since it was last used and I have lost the setup instructions


Out of one end are four coloured leads.


One Black and One Red which must be the power leads


One Green and One Blue. Are these to connect the actual pump?


Regards
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Corposant

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Re: Bilge Pump Switcher
« Reply #1 on: June 06, 2017, 04:37:07 PM »

Hi Rickles

Mine is obviously a bit different from yours but I'm sure your assumptions on the colours must be correct. As you can see from the picture, my unit has a connector block for the pump connection (thus the choice of black and red wires was mine).

There is the possibility that the green and blue in your case are for the sensor (which you do not mention). Obviously if this is the case, you must be missing another connector somewhere!



I hope I haven't just added further confusion to your problem!

Regards,
                Mike
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rickles23

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Re: Bilge Pump Switcher
« Reply #2 on: June 06, 2017, 05:43:54 PM »

Hi,


OOpps forgot about the sensor wires.


Attached drawing should make it clearer.


Al leads are the correct colour, but not drawn to scale.


Regards
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Corposant

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Re: Bilge Pump Switcher
« Reply #3 on: June 06, 2017, 11:16:40 PM »

Hello again!

Your picture gives the impression that the yellow and blue wires, connected to the black rectangle with red "legs" is the sensor. If the "legs" are not insulated, that would add extra weight to the assumption.

This could be tested by connecting 6v to the red and black wires, a load (6v lamp, motor or voltmeter) across the blue and green wires and dipping the red "legs" in water to see the effect on the load.

If that produces a disappointing result, it could be tried the other way round! (Obviously testing for the sensor wires should not be done with a direct "short" in case that pair of wires turns out to be the supply for the pump.)

Good hunting!
                       Mike
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rickles23

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Re: Bilge Pump Switcher
« Reply #4 on: June 07, 2017, 04:58:16 PM »

Hi,


Thank you for the replies Mike.


I shall test it out as soon as I can get some spare time.


I am due to test sail a couple of new boats and I like the bilge pump connected up.


It would not be the first time it has saved a model boat.


Regards
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rickles23

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Re: Bilge Pump Switcher
« Reply #5 on: June 10, 2017, 10:50:41 AM »

Hi Mike,


As you suggested I hooked up a motor and battery to the Bilge Pump Switcher and put the probes into water.

I got the usual ten seconds of the motor running.

So it can do its duty in the new launches.

Thanks for the help.

Regards
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Corposant

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Re: Bilge Pump Switcher
« Reply #6 on: June 10, 2017, 04:28:13 PM »


 :-)

Regards,
               Mike
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Bob K

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Re: Bilge Pump Switcher
« Reply #7 on: June 10, 2017, 04:55:02 PM »

Incidentally, did you know that the Hunter Systems sensors can be wired in parallel in case you have multiple compartments.  The first one to sense water turns the bilge pump on. 

This can also be used to set off an alarm or bright flashing LED to warn you that you are taking on water.
A very versatile system IMO.
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