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Dimplex Opti-Myst fires

Discussion in 'Electrics UK' started by Neil B, 13 Feb 2010.

  1. AlastairE

    AlastairE

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    You could POSSIBLY use the Maplin Mister in the Later type--with the Orange water-tank, but it definitely will NOT fit in the earlier type sump....

    Earlier type--Blue water tank--Repairable.

    Later type --Orange water Tank--Not repairable, you have to replace the KERI Mister 'puck'--which MAY or May Not be the same as the Maplin one--It LOOKS Identical in the pictures Ive seen,--and Half the price......
     
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  3. AlastairE

    AlastairE

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    Dimplex mister for later-type-

    [​IMG]


    Maplin Mister-

    [​IMG]


    (For some reason, I cant get the Dimplex one to display)
     
  4. ban-all-sheds

    ban-all-sheds

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    Sorry to labour the point - do you mean "won't fit into the recess (or whatever) where the original is"? I was wondering if you could simply plop it in and have it lie at the bottom of the water, like it would do if you bought one to use in any random water feature.
     
  5. ban-all-sheds

    ban-all-sheds

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    https links don't work - you need to change them to http
     
  6. AlastairE

    AlastairE

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    Two Reasons..... Mainly--It Just Wont Fit!

    The space is only about 1.5" wide, and if you managed to find one that was small enough to fit--The water-level above the transducer would be way too small.
    This is a critical distance for correct operation.
     
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  7. welshcouple

    welshcouple

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    Having had more problems with my Danville optymist I've just returned to the forum to discover that more and more people are becoming disilusioned with the Dimplex Optymist range. As previously stated by others, I agree that the concept is good and the flame effect is very effective however Dymplex should have spent more time on their research and developement and not cut corners on the quality of the materials.

    As stated in my original missive I have previously fitted the Maplin membrane cat.No. L41AK to the Dimplex Keri transducer and it worked well. However, I have since replaced the transducer with the Maplin item cat.No. L38AK this too is a direct fit and works well (it is rated at 36watt the original unit is marked as 500mA)

    N.B. My fire is the Danville with later orange internals.
    It still produces too much mist but no more so than the original!
     
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  8. AlastairE

    AlastairE

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    Welshcouple--

    Ah--Thats good to know. So--The Maplin mist-maker fits and works. I suspect it is exactly the same device.
    --Even though marked differently the fact it works and acts the same--ie, too much mist rather confirms this in my mind...

    With the earlier type--Mist production was directly acted on when the control was adjusted.

    There is no such feature with the later variety, as the mist-maker is fixed in its power, mist output being controlled by the fan only....
     
  9. ban-all-sheds

    ban-all-sheds

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    ;)

    That's not how capitalism works.
     
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  11. Amacenteg

    Amacenteg

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    Is the symptom of the transducer failure no mist and fire switches off as if it's run out of water?
     
  12. AlastairE

    AlastairE

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    No--Transducer failure will not cause the fire to shut down, only no mist production.

    If you have the usual grey sump/blue water-tank and you have this fault, then the electronics inside the sump are faulty and need repairs. This is the classic failure mode, and Ive repaired many dozens like this.

    The alternative is complete sump replacement at around £160.00 as individual parts are not available for this type sump.
     
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  13. Amacenteg

    Amacenteg

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    Ah OK, so my Oakhurst is about 18 months old and has an Orange tank, if I switch on the heater elements only, no problem, when I chose mist then shut down after say 15 - 20 seconds, any ideas?
     
  14. AlastairE

    AlastairE

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    Orange-tank--Do as advised earlier in this thread--ie, Go to Maplin and buy the small mister device L38AK and fit that.
     
  15. Amacenteg

    Amacenteg

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    Thanks a million for your advice, are the lamps readily available or are they something bespoke do you know?
     
  16. AlastairE

    AlastairE

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    MR16 Amber 50W 12V Lamps are available practically anywhere--But Its the Lamp Sockets that are SO CRAP--the lamps outlast 'em!

    Do NOT use 'LED' low energy lamps--they will not work properly, the smoke will just sit in bottom of the fire The lamps Must be 50W Halogen....
     
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  17. alex2k

    alex2k

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    Hi AlastairE, that you for great posts here!
    Yes, 1.7 Mhz transducer disc doesn not work. I ordered one from China and replaced it today in my Dimplex with blue tank. It gives just 1/2 inch water hill with no mist at all.

    Could you, please, advise how to adapt electronics from 2,2 to 1.7 Mhz freq?

    Thank you in advance,
    Alex
    PS: sump design is really wird. someone crazy made such mounting of transducer!
     
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