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Old 05-10-2013, 02:22 PM   #1
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Fridge too cold?

Okay so the Dometic fridge on my 71 Caravel is always at too cold. How do I know? Well the PO installed a small digital thermometer and it gets down to 24 degrees...and the water bottles start to get ice crystals in them.

I'm always so paranoid cuz I don't want to freeze the eggs.

I've tried setting the number to 1 (or less), but it doesn't seem to help. I open the door a few times to get the temp back up, but it really doesn't help much. Is it just me or do others see this kind of behavior?

What should I do...any tips?
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Old 05-10-2013, 02:30 PM   #2
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The cooling in your Dometic shared between freezer and refer. The proportion of that shared cooling is controlled by a sliding hangar on the cooling fins inside your refer box.
At Number 1, your total cooling may not be sufficient to keep the freezer at 0 degrees.

You want your freezer as close to 0 as you can get it.
You want your refer at just above 32.
Hope this helps.
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Old 05-10-2013, 02:41 PM   #3
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Thanks Alumaholic. I think I understand, but are you saying there's a slider on the fins I can adjust (in addition to the knob)?

Also, even at a knob setting of 1, the fridge is freezing!
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Old 05-10-2013, 04:08 PM   #4
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Yes. The numerically calibrated dial adjusts the total cooling for both compartments. The slider determines how cooling is shared between the compartments. Sorry I can't recall the name of the device. I'll search my reference material.
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Old 05-10-2013, 04:48 PM   #5
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Its Called a Thermistor

In your refer compartment, You should find a two or three inch probe with a pair of wires coming out of it and running through the back wall.
This "probe" is called a thermistor.
It should be mounted on a plastic bracket clamped to one of the fins on the heat exchanger inside your refer compartment.
Slide it up for a colder refer compartment.
Slide it down for a warmer refer compartment.
Don't guess.
Go to Harbor Freight and purchase two electronic thermometers.
Put one remote sensor in the freezer compartment. Put the other remote sensor in the refer compartment.
We want our freezer to be 0 degrees F.
We want our fridge to be above 32 degrees, but not much.
Hope this helps.
P.S. Yours is a good problem to have. You realize you are really annoying some people with this thread?
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Old 05-10-2013, 05:30 PM   #6
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Too cold now might be just right in the middle of summer. Any refrigerator or freezer will only cool a certain number of degrees below the outside air temperature, but that difference varies depending on the make and model of the fridge and how efficient it is. So, as the outside temperature goes up, the inside temperature will go up, too, just not as much.

So go ahead and adjust it now, but remember where it's set, because you may have to put it back later when the weather warms up more.
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Old 05-10-2013, 06:55 PM   #7
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The 71 Caravel does not have an electronic controlled refrigerator. There is no thermistor or adjustment on the fins. I am assuming it is original.

It does have a thermostat (two in fact, one for electric, one for gas). The gas thermostat regulates the flame size, low for warmer, high for cooler. Most likely the gas thermostat has failed and will need to be replaced.
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Old 05-10-2013, 07:53 PM   #8
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The thermistor is found on pre-electronic Domestics in the 70s. A simple visual inspection will determine if yours is so equipped.
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