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Termperature Control I recently purchased a Danby model DKC586BL beer cooler. Unfortunately it doesn't keep the beer as cold as my last one ( an old Sears unit). The lowest set point on the digital display is 34 degrees. It then cycles between 34 and 37 degrees. I'd like to have a set point of 30 or 32; peferrably 30. I know beer freezes at 28 as the control unit went bad on this new unit and the display was showing less than 28 degrees. Danby replaced the control unit with a new one but the beer is still warmer than I'd like. Is there someway to modify the control circuit to allow for a lower set point?

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  • zman2 Mar 10, 2008

    Not the thermostat. Danby agrees the set point is as low as it can go by design. I need to modify the circuit which they will not do.

  • zman2 Mar 25, 2008

    I basically did over the weekend what is detailed in the repsonses. I bougth a Johnson Controls mechanical temperature control( model A19 ABA 40C with remote bulb) with sensing bulb and capilliary. With the power off I cut the output feed of the controller to the compressor and capped the control board end off with wire nut. I then ran a two conductor wire from the new controller and tied one end to the compressor feed and the other end I spliced into the control circuit board power infeed. This leaves the circuit board powered for display purposes but no longer controls the compressor. I set the new controller to minimum differential (3 degrees) and 32 degrees on the scale and let it go. 24 hours later iced cold beer at 32 degrees. AHHHHHH isn't life grand. Cold Beer.

  • zman2 Mar 25, 2008

    See my reply above. But Danby uses a solid state thermister feeding into an ROM chip circuit which is pregrammed at the factory and ROM chips cannot be repgrammed. So technically the whole circuit board card is the thermostat. I just bypassed the whole mess.

  • zman2 Mar 25, 2008

    The unit is new <6 months old. I bypassed the control circuit with a different style controller.

  • zman2 Mar 25, 2008

    Poor design that will not allow a lower temperature. See my comments above.

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Well, the control circuit get input from thermostat.
what you need to change is right the thermostat. I do not think there is any way to lower fridge temp if you do not replace thermostat.you could put an additional switch to turn on/off manually the compressor when you need extra cold, but in this way you risk to damage the motor.
You need to change the thermostat with one that switch on at a lower temperature. to do this you may need to use a non-fabric part.

regards

Posted on Mar 20, 2008

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  • Ginko
    Ginko Mar 20, 2008

    The thermostat is the switch which starts the motor back when your fridge goes down to 34.
    If you want the fridge start cooling at 30 you need to get a thermostat that can start at 30, and presumibly you will need to adapt a different brand one.
    This has nothing to do with control board.

    Regards

  • Ginko
    Ginko Mar 20, 2008

    The thermostat is the switch which starts the motor back when your fridge goes down to 34.
    If you want the fridge start cooling at 30 you need to get a thermostat that can start at 30, and presumibly you will need to adapt a different brand one.
    This has nothing to do with control board.

    Regards

  • Ginko
    Ginko Mar 20, 2008

    There is no circuit that you can modify to get lower temperatures, as Sweet rascal said, change the thermostat, it is the switch that check the temperature and start cooling process. Danby told you not to change the thermostat because in their perspective you are not supposed to change any fabric part in your fridge.
    If you do the thermostat replacement in proper way it should work, however I suggest to think double before modifying fridge in this way. By using non factory replacements you risk to damage the fridge.

    regards

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I suggect to check the coil, it needs to be clean it will prolong the life of your refer and allow it to run more efficiently.

Posted on Mar 20, 2008

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Hi zman.. the circuit does not recognise what kind of thermostat is used.. it only breaks the circuit depending on the thermostat.. So as sweet rascal has suggested you get a new thermostat which can cut off at 30.

Posted on Mar 20, 2008

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Hello sir

Posted on Mar 10, 2008

  • dewan nafees ahmed Mar 10, 2008

    the thermostat must nott be working well...

    replacing it ll solve the problem

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