New 4.3 & 6.7 fridge info - Page 34 - Escape Trailer Owners Community

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Old 08-20-2014, 09:41 AM   #331
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Something has been nagging me throughout this entire process and today I figured out what it was. Has anyone kept a record of the freezer/refer differential? I turned mine on yesterday to chill down in anticipation of using it this weekend. My refer on the middle setting this am was 44 and the freezer was 3? It would seem to me the freezer's temperature would be the benchmark we want to achieve. If the freezer is below 10F then the refer is operating efficiently and it is just a matter of getting some of that cold air to the refer section? Either removal of the freezer section or the drilling of some holes to allow some interchange will help achieve the optimal refer temperature. The freezer is fine as it appears.
Anyone else has ideas on this train of thought?
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Old 08-20-2014, 09:52 AM   #332
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I was thinking the same thing. Did not want to drill holes in it so removed entire unit. Seems a logical way to increase general cooling. We will always bring along a separate cooler filled with ice anyway. When exploring the possibilities of installing a baffle in back I discovered the shell in mine there is insulated. Since the jury seems still out on efficiency of the baffle idea I've decided to hold off on that.
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Old 08-20-2014, 10:14 AM   #333
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Similar thoughts here, but I'm 2 weeks out from pickup on my 21. Planned on doing experiments with the freezer geometry when I have one to play with...
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Old 08-20-2014, 10:25 AM   #334
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I bought some of these thinking I can drill some holes in front and in the rear of the freezer bottom insert and plug/open both or one set to see if the desired result is reached. I'm also thinking of purchasing a second freezer inset to practice with and then leave the original as is. Depends on the price they want for the insert.
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Old 08-20-2014, 10:32 AM   #335
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Quote:
Originally Posted by cpaharley2008 View Post
I bought some of these thinking I can drill some holes in front and in the rear of the freezer bottom insert and plug/open both or one set to see if the desired result is reached. I'm also thinking of purchasing a second freezer inset to practice with and then leave the original as is. Depends on the price they want for the insert.
I'll be making a dummy insert out of sheet ABS to experiment as I have a LOT of it...........
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Old 08-20-2014, 11:34 AM   #336
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Quote:
Originally Posted by cpaharley2008 View Post
I bought some of these thinking I can drill some holes in front and in the rear of the freezer bottom insert and plug/open both or one set to see if the desired result is reached. I'm also thinking of purchasing a second freezer inset to practice with and then leave the original as is. Depends on the price they want for the insert.
Hi: cpaharley2008... If I were drilling holes I'd do them at the front of the freezer. I don't think it would be good to have more cold air falling over the thermistor mounting. Could fool it into thinking the refer is colder than it is. Just thinking!!! Alf
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Old 08-20-2014, 12:20 PM   #337
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Jim, if you haven't drilled your holes yet why don't you try taking the front door off the freezer first. This way you will preserve the barrier between the freezer and refrig and won't flow cold air onto the thermister in the fridge.
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Old 08-20-2014, 12:41 PM   #338
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Just a thought - if the thermistor were wrapped in a thin layer (1/16th inch) of foam, cold moving air wouldn't impinge on the surface, but it would eventually cool to the ambient temperature. Basically just slow down the response of the sensor, since the fridge cools slowly anyway. Ain't theories grand?
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Old 08-20-2014, 12:53 PM   #339
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I pondered lightly insulating the thermistor as well. The other angle that popped into my head was that it may negativley affect the performace, in that the fin its on is cooler than the air around it, so would you be fooling the thermistor that it is cooler in the fridge than it is by keeping the warmer air off of it? I don't know the answer but those were my thoughts. I suspect that , more of a shield type of a idea to keep the moving air from fans off of the thermistor might be a better idea.
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Old 08-20-2014, 12:53 PM   #340
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I have the freezer removed most of the time and have purchased extra shelf's to use when its out and to replace the crisper. It drops the fridge temps 6-8 degrees from what I have seen. Like I said in another post, I froze the lettuce last weekend which made me happy but Cheryl was not nearly as excited as I was.

Just my opinion but I would wait for Reace before drilling holes in the freezer. He is already experimenting with that. Dometic is probably going to take a while to get back with him.

First picture is a old picture as I have now removed the Fridge Fix fan because it was driving my temps up 4-6 degrees. I insulated the sensor and tried several things. I tried it with the freezer in and out. I have installed a small Axial fan (19 CFM) blowing down with very good results so far. I will do a permanent install if it continues to work good but right now we are trying to get in as much camping as we can.
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