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Old 06-22-2016, 12:10 PM   #31
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My A122 fridge has been working perfect and I have turned the thermostat down a couple of times.
All the same, I am convinced that it might not be up to the task in high temp camping.

I'm installing a 140 quiet fan tonight per Pooneil's tips.

Thanks!
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Old 06-22-2016, 06:08 PM   #32
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Hey Tom - thanks for all your help, input and pics. I just completed the external fridge fan mod. I also added quick disconnects and an on/off switch inside the aframe so I can turn the fan on and off when needed. The fan I installed from Grainger does seem move quite a bit of air and I can hardly notice any noise inside the camper.


Of course the big test will be if this helps to get the fridge temps down in hot weather. I'd also added the baffles with the Reflectix material so I hope all this helps. My fingers are crossed and I'll let you know what the results of my test are.


Thanks again!
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Old 06-22-2016, 11:02 PM   #33
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Glad you got it sorted out. I predict a noticeable performance boost for the fridge. Last month in Colorado, I had to turn the gas to nearly the lowest setting to keep the fridge from becoming a freezer. Where did you locate the new interior switch?
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Old 06-23-2016, 08:47 AM   #34
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  • Tom, Fred and Bensinc,


    I could not help myself and immediately went into a test mode last night after completing the external fridge fan mod. As you may recall, I'd completed two separate tests last week without the fan mod in very high garage and outdoor temps. The fridge only cooled down to 49-59 degrees after about 20 hours of running each time..........something had to be done...........


    In short, all I can say is WOW!!!


    Below are my results of my test last evening using my house current for a power source. This test was in my garage. The garage was very hot and without any natural air movement that you'd typically have in an outdoor test. Understanding that, I consider this test to have taken place under extreme circumstances:

    Time Garage Temp Fridge Temp Fridge Setting
  • 6:30pm 95 degrees 95 degrees 7
  • 7:45pm 94 degrees 69 degrees 7
  • 8:30pm 93 degrees 56 degrees 7
  • 9:30pm 93 degrees 46 degrees 7
  • 10:30pm 90 degrees 40 degrees 7
  • 11:30pm 90 degrees 37 degrees 7
  • 1:00am 88 degrees 34 degrees lowered to 3
  • 7:00am 82 degrees 38 degrees 3
  • 8:00am 83 degrees 40 degrees raised to 5
  • 8:30am 83 degrees 37 degrees 5

    As you can see, the results are awesome! Only 5 hours to go from an internal fridge temp of 95 degrees down to 37 degrees in a closed garage that was stifling hot!. I now have the confidence that the fridge will perform under almost any hot temperature environments. I am sooooooo jazzed about this!


    I'm not much of an electrician and your help and communications were much appreciated! Thank you all again!
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Old 06-23-2016, 09:59 AM   #35
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Glad it all worked out. I love my fan mod in the hot temps, keeps the fridge in our PUP at the correct temp. And is quiet and barely draws 1/2 an amp. I fan a switch to a thermostat, too. So it can cycle on/off on its own or leave it on all the time or off.

I'll be posting pics soon. Post some pics when you get the chance. Thanks.

Travel safe.

Mark
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Old 06-23-2016, 10:21 AM   #36
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Given the time it takes and the benefits, it's one of the best mods you can do.

Glad it worked so well for you.
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Old 06-23-2016, 10:25 AM   #37
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Mark, attached are the pics you asked for (main power tap, fan with disconnects, internal on/off switch) Also attached is a PDF of the wiring diagram I used.


Tom - sorry forgot to answer your question. I picked up the switch and switch plate at the local AC Nelson camper sales company.
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Attached Files
File Type: pdf Fan Wiring2.pdf (106.7 KB, 44 views)
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Old 07-29-2016, 02:22 PM   #38
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Fred and Tom,


Thought I'd let you know how this fridge mod worked during an actual camping trip.......fantastic!


We were camping for three days this past week. Temps were between 88 - 92 degrees. Fridge only took 3 1/2 hours to cool down to 37 degrees prior to leaving for the trip. In the past, the pre-cool down would take approx. 24 hours and never get down to a cold enough temp prior to departure.


Internal fridge temps at the camp site were consistently between 34-39 degrees depending upon how often we went into the fridge.....which was quite often. Seems with the hot outside temps, I had a constant urge to keep pulling cold ones out of the fridge!


I ultimately had to adjust the fridge temp control down to level 4 to keep the fridge from freezing temps.


Thanks again for all your help and input. This was a very enjoyable trip knowing that we could count on a fridge that would keep up during the heat of the day.
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Old 07-29-2016, 06:36 PM   #39
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You're welcome. Glad things worked for you.

It's the best and easiest mod around.

Happy camping.
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Old 07-29-2016, 08:57 PM   #40
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I'm glad to hear the fan works so well. I anticipate I will be installing one next winter/spring to get the more consistent performance you guys are seeing and I am not. Our next 3 trips are Rocky Mountain National Park (mid-August), Mt Rushmore (late Sept), and Southern Utah (early Nov). Nights will be cool to cold, so I'm not too worried about the fridge fan for these trips.

Right now, I'm trying to figure out whether the minivan is carrying the fridge on DC, or whether I'm taking the camper batteries down before I even arrive at the site.

Tom - did you pick 140mm fan because it fit better than the 120mm? I ask because I still have several nice unused 120mm fans from building my own computers.

trying not to learn everything the hard way
Fred W
2014 Rockwood A122 A-frame
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