Fridge on Battery while towing? - Page 5 - Escape Trailer Owners Community

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Old 05-06-2016, 02:54 PM   #41
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Quote:
Originally Posted by Klem View Post
Hi Pat, from this manual IF the last digit of your model number has a '5' it's AES. If it's a '1' it's manual.

http://www.dometic.com/QBankFiles3/E...nual_17593.pdf

I had a long talk with s Dometic tech back in the RML days and he said the 15 minute shut down could get to be a problem if you did a series of ignition on/off cycles. So I disconnected the big DC connector but used a wire nut to keep the little red wire hot to power the electronics.

Who knows if in the newer frigs they upgraded the AES software control? Did they get some of the bugs out
Klem it is a 1 sooooo out of luck . Pat
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Old 05-06-2016, 03:06 PM   #42
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Originally Posted by Patandlinda View Post
Klem it is a 1 sooooo out of luck . Pat
I would say Lucky You!

I asked Dometic how I could turn AES on/off to see if the robots inside the circuitry were friend or foe. They said there was no way short of disconnecting the big red connection. So I threw in the towel and did it. I wish I could use DC sometimes but decided I have already spent too much time with these frigs .. I could put a manual switch on 'big red' but my setup is working ok so I have better things to do with my time.

Imagine this. Your AES doesn't know if you are a gas station or a camp ground or at home. You drive in your spot and turn off the engine. In theory AES should block propane for 15 minutes.

I have thought, while seeing some of these posts of propane not firing and then ... It does later ... IF this is AES shut downs?
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Old 05-06-2016, 03:11 PM   #43
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Originally Posted by CraigJ View Post
OK, Iím a bit slow here, so I have a question: My wife likes to use the microwave in our 5.0. when we dry camp. We have the duel 6-volts and solar, but last summer the battery was just not keeping up. I plugged the trailer into the truck and ran the engine, hoping to augment the trailer battery. Did this do any good? If I donít have the 12v line on my 7-pin connector was I wasting gas?
You can establish if your tug is putting alternator output into the 7 pin plug quite easily.

If you have a voltmeter in the trailer you should see the reading go from 12.xx to 13.xx or over when the truck motor is running.

You can also connect a voltmeter to the 12 volt pin in the 7 pin connector and see that it's connected and is a 12 volt source.

Ron
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Old 05-06-2016, 03:14 PM   #44
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Quote:
Originally Posted by Klem View Post
I would say Lucky You!

I asked Dometic how I could turn AES on/off to see if the robots inside the circuitry were friend or foe. They said there was no way short of disconnecting the big red connection. So I threw in the towel and did it. I wish I could use DC sometimes but decided I have already spent too much time with these frigs .. I could put a manual switch on 'big red' but my setup is working ok so I have better things to do with my time.

Imagine this. Your AES doesn't know if you are a gas station or a camp ground or at home. You drive in your spot and turn off the engine. In theory AES should block propane for 15 minutes.

I have thought, while seeing some of these posts of propane not firing and then ... It does later ... IF this is AES shut downs?
Wow, Klem , I feel lucky today . How did that happen with my frig ? Thanks Klem . Pat
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Old 05-06-2016, 03:45 PM   #45
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Jim, Ron, & Klem,
That's what I like about this forum you make up some of the best tech support on the web.
Mark
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Old 05-06-2016, 04:46 PM   #46
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Originally Posted by azjack View Post
We have a single 12volt, no solar and we can drive for 3-400 miles and the trailer battery remains charged with the fridge on 12v. It may be that our Jeep alternator is putting out enough to power the fridge and keep the trailer battery topped up.
Jack
Or, the Jeep voltage regulator is set to supply a relatively high voltage. This varies by vehicle, and most modern vehicles let the voltage get quite low under some conditions to reduce drag on the engine by the alternator.

Quote:
Originally Posted by cpaharley2008 View Post
How does the refer know that the source is the tow 12v and not the internal Escape 12v battery? I'd like to understand the wizardly involved here?
Properly wired to make this work, the refrigerator is supplied with two separate 12V circuits; one is connected to the trailer battery and other is powered by the tug only when the tug's ignition is on. In a motorhome this is easy, and in an European trailer there are two separate power circuits in the 13-pin tug-to-trailer connector to support this. I don't think an Escape is wired this way... so the wizardry is missing and the refrigerator doesn't know, as far as I can tell.
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Old 05-06-2016, 04:48 PM   #47
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Thanks Ron, I'll try it. I always learn something on this forum
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Old 05-06-2016, 05:53 PM   #48
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Originally Posted by Patandlinda View Post
Wow, Klem , I feel lucky today . How did that happen with my frig ? Thanks Klem . Pat
Some might say it's your horoscope ... I'd say it's because you are such nice folks
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Old 05-06-2016, 07:01 PM   #49
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Some might say it's your horoscope ... I'd say it's because you are such nice folks
Back at you ! Pat
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Old 05-06-2016, 07:28 PM   #50
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We just came from Northern CA to Southern CA. Today's trip was 330 miles. We had the refrigerator on 12v while driving. We also have the 150w solar panel but it was cloudy and occasionally rainy today, rare for this time of year in CA. When we got to our destination, I checked the battery. We have a TriMetric Battery Monitor, and it reported that the dual 6v batteries in the trailer were 100% charged and 13.2v when we arrived, so I feel very comfortable running on 12v while traveling. We stopped only for gas and a sandwich at a rest stop, so no extensive stops but the battery was left connected to the Jeep while stopped.

We used to have a trailer with a 120v/propane refrigerator and I installed a 200W inverter to power the refrigerator on 12v while traveling, and it worked fine. We once drove all day then camped off the grid for 4 days with good battery the whole time. Of course, that trailer only used its single 12v battery for lights.
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