Portable AC/DC Refrigerator? - Page 3 - Escape Trailer Owners Community

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Old 03-19-2015, 03:08 PM   #21
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Quote:
Originally Posted by Jeff and Karen View Post

My question was more focused on any experiences members of this forum have had with using portable AC/DC refrigerators to fill in when traveling or camping in weather that exceeds the maximum temperatures their refrigerators were designed for. Since I'm sorta lusting for an Engel (and considering what Engel's cost), I want to be sure I'm making the right decision before I hit BUY on Amazon.
We camp extensively in hot weather in the desert Southwest in a VW Westphalia campervan. We use an Edgestar portable AC/DC fridge similar to the Engels but a lot cheaper. It functions well on DC with low drawdown of the battery. Amazon carries them, too. Edgestar makes 43-, 63-, and 80-qt models.
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Old 03-19-2015, 03:40 PM   #22
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Another brand for a 12v compressor refrigerator is Whynter which is sold thru Home Depot.

Portable Freezers - Freezers & Ice Makers -Â*The Home Depot

For the Engel models, what is interesting is the comparison of the performance data for the same volume capacity between a front door model, SR70, and a top load model,MT60. So for the same manufacturer, same capacity and same compressor (assumed), the top load model is noticeably more efficient (colder hold temperature and less run time) at the same cooling setting. Their run performance data is taken with the door remaining closed.
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Old 03-23-2015, 05:49 PM   #23
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I use an Engel MT45-45 qt ac/dc refrig/freezer. Works well, sips power but is a little pricey. Plus into the 110v in the bed of the truck or the 110 or 12v in the trailer. This is a decent size for us to use as a backup.

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Old 04-13-2015, 12:39 PM   #24
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I think I may have been wrong

I initially posted about our new, large, two-door refrigerator and my concerns about it's ability to cool when towing (and set to propane). Refrigerator temperatures were getting up to the mid-45's, and that's not good.

Now I think this problem may have been because of my newby mistake. As I thought through the issue, I realized that even though I had the propane turned on and the refrigerator set to propane, I also needed to turn the battery master switch ON. If I understand these things correctly, the battery master switch must be turned on to power a controller that turns the propane on and off based on demand. (I may not be using the right words . . . as a retired school principal I'm good at talking and not much else.)

We've been on the road again for a couple of weeks, and while traveling this time the propane AND the battery master switch have been turned on and the refrigerator has worked well. Admittedly, the weather hasn't been hot, and we expect challenges with very warm weather, but I'm still pleased.
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Old 04-13-2015, 02:28 PM   #25
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The only time that battery switch is off is if the trailer is in storage, otherwise it needs to be on for items to work inside your trailer, including the refer on propane. the refer has a 12v circuit board computer that needs power to operate.
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Old 04-13-2015, 02:47 PM   #26
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There you go. It looks like that was my problem. Thanks Jim.
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Old 04-13-2015, 02:54 PM   #27
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please let us know if the dual door RMD 8555 keeps your food cold enough, now that you know to leave the switch "on"
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Old 04-13-2015, 03:09 PM   #28
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It does do far. I have a high quality, calibrated thermometer that I trust, and it shows the temp consistently in the mid to high 30's with the refrigerator set on five bars and the ambient temperature in the 70's. The real test will come when traveling in temperatures in the 90's or higher.
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Old 04-13-2015, 03:11 PM   #29
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Is 5 bars the lowest setting or midrange?
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Old 04-13-2015, 03:26 PM   #30
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Five bars the coldest setting. I keep it at 5 bars during the day and 4 bars at night. The refrigerator appears to be working as hard as it can, or as hard as it was designed to work, and it's certainly doing better than the previous model. Reace mentioned a warranty modification that will soon be available for this refrigerator - a fan upgrade that turns the fan on about 20 degrees (if I remember correctly) lower than the current fan. Reace told me he will post details to the forum when he knows more.
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