aquamedic regulator blocked?

Discussion in 'Test Kits, Controllers, Reactors and Dosers' started by gaboon, 20 Apr 2010.

  1. gaboon

    gaboon

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    This is hard to explain but here it goes...

    I bought a reef octo calcium reactor, 5 kg bottle and aquamedic regulator and solenoid 2nd hand.

    When I first set it up and activated the solenoid and adjusted the bubble rate, over the next 10 minutes it would slowly reduce the bubble rate and then nothing at all.

    To get it to start bubbling again I had to turn the knob quite a bit to get it going again and it would all of a sudden come out at a helluva rate, then I would turn it down but 10 minutes later it would slow down again and stop. After a week of fiddling I eventually got it to work but have no clue what I did to rectify it.

    Now, 3 months later I've replaced the 5kg bottle and its doing the same thing again.

    I first thought it was back pressure but doubt it is that.

    Please, does anyone have a clue whats going on here?
     
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  3. Mekaeel

    Mekaeel Moderator MASA Contributor

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    Gaboon, have you tried opening the bubble counter to the maximum to let it blow out anything that could be jammed there?
     
  4. gaboon

    gaboon Thread Starter

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    Yup
     
  5. Nemos Janitor

    Nemos Janitor

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    Have you got the solenoid the corect way round. There is a little arrow indicating flow direction on some solenids.
     
  6. gaboon

    gaboon Thread Starter

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    Ya, checked that as well.
     
  7. Mekaeel

    Mekaeel Moderator MASA Contributor

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    Could you dip it in some type of solvent to get whatever is there out?
     
  8. gaboon

    gaboon Thread Starter

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    Dripped in some vinegar and left it overnight and still the same. Very weird.
     
  9. Mekaeel

    Mekaeel Moderator MASA Contributor

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    No idea dude. Probably had it's days?
     
  10. Nemos Janitor

    Nemos Janitor

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    Is the solenoid switched by a controler or timer? It might be that the solinoid is not getting full voltage. Check if you have the same isues if the solenoid is pluged into another source.
     
  11. gaboon

    gaboon Thread Starter

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    Controller, will try that tonight. Thanks NJ.
     
  12. lIghty

    lIghty

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    It sounds a regulator problem to me.

    Remove the needle valve, solenoid from the regulator, and the regulator from the bottle.

    1- with the regulator removed from the bottle,open the valve on the bottle, the gas should escape very rapidly from the bottle (high pressure)

    2- now connect the regulator, open the tap on the bottle, the gas should now escape from the regulators output port, this should be relatively low pressure, and you should be able to stop it by pushing your finger on it. (some regulators have pressure adjustment screws, some are preset)

    3- now, connect the solenoid valve, when there is no power supplied to it, it should shut off and cause the gas to stop flowing, when powered, it opens and allows the gas to flow through it.

    4- The needle valve, all this does is control the flow of gas, since its a needle type this can be done very accurately. Please note, the needle valve may sit between the regulator and solenoid or sometime between the solenoid and reactor.

    If you could please let us know on the out come of the following steps.

    Could you please post pics, so I can see the exact configuration your using.
     
  13. gaboon

    gaboon Thread Starter

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    Thanks lIghty, will give that a bash.
     
  14. gaboon

    gaboon Thread Starter

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    lIghtly thanks dude, followed your steps and it worked! Thanks again!!!:thumbup:
     
  15. lIghty

    lIghty

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    cool, but what was wrong?
    Posted via Mobile Device
     
  16. gaboon

    gaboon Thread Starter

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    Have no idea, followed your steps and it just worked.
     
  17. lIghty

    lIghty

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    Sound like the reg just need to blow off a bit?
     
  18. gaboon

    gaboon Thread Starter

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    oh ja, I removed the needle valve completely and turned on the Co2 with the solenoid turned off. maybe that blew all the gunk out. Whats weird though is both times this has happened it has been fine with 2kg bottles.
     
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