Possible AC/DC Fridge Replacement Fit - Page 4 - Escape Trailer Owners Community

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Old 07-20-2014, 09:03 AM   #31
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Doug, you are right, I use the 60% rule, but either way you only have approximately 100-120 available for use which clearly he does not need for using 50 for the refer and maybe 20 for pump or furnace. So next day the solar should refill his tank so to speak.
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Old 07-20-2014, 03:29 PM   #32
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These are interesting too. Like an Ice chest, but with a Danfoss compressor, up to 49 qt capacity (alot of beer) run super cold, and only .7 Ah power consumption. I'd want a built in, but this might work anyway as a beer storage area -- that way the main fridge doesn't drop temp opening it up all the time...

http://www.icemate.com.au/Evakool%20...SAKOOLMATE.pdf
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Old 07-20-2014, 03:50 PM   #33
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I have often toyed with the idea of getting one of these just for potables, plug in outside, saves not only the refer but open/closing the screen. You may want to add a 12v exterior plug option next to your 120v plug, may come in handy down the road.
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Old 07-20-2014, 04:48 PM   #34
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I have often toyed with the idea of getting one of these just for potables, plug in outside, saves not only the refer but open/closing the screen. You may want to add a 12v exterior plug option next to your 120v plug, may come in handy down the road.
Yessir, the outside 12V plug is on the build list.
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Old 07-21-2014, 10:53 AM   #35
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solar panel arrangement

Two 160w solar panels would be ideal for my plans to use an ac/DC fridge. There is only room for one on the 17b roof. If I have ETI prewire for solar and have the connections come off the side instead of the roof, then I can easily connect two panels on a stand on the ground, and aim them at the sun as it moves to get the maximum amount of power. But, does anyone know of 160w panels that would be suitable for this? The gopower/carmanah panels are quite large and quite heavy. Might have to go that way, but would prefer a lighter arrangement.
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Old 07-21-2014, 03:47 PM   #36
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Also, I emailed NovaKool a few days ago about whether they had ever approached ETI or other trailer manufacturers about the possibility of using Compressor fridges as a factory option. I got a reply back today:

I had called on ETI to reintroduce the concept of DC compressor refrigeration and will revisit again.

The running amp draws have come down dramatically on these types of refrigerators, and being that they are designed for rough mobile applications, and allow for off level running.

Generally the small refrigerators will run in the 18 amps to 36 amps in a 24hr period, which is well within the capabilities of a practically sized solar array system that would allow being disconnected from a shore power application for quite some time.

Thanks again!
Sean
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Old 07-21-2014, 03:54 PM   #37
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Blazing a new trail there Bob……the more choices the better.
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Old 07-21-2014, 05:05 PM   #38
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Generally the small refrigerators will run in the 18 amps to 36 amps in a 24hr period, which is well within the capabilities of a practically sized solar array system that would allow being disconnected from a shore power application for quite some time.

[/I]
Just to be clear, we're talking 18 to 36 amp-hours, correct?

Even though we have one, I don't really like generators....but wouldn't it be nice to have a nearly silent 300 watt generator just to recharge the battery? Some day we'll be talking about hydrogen fuel cells for RV power.
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Old 07-21-2014, 05:16 PM   #39
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Yes amp-hours until Brian signs on and correct our terminology. If one goes to http://www.marxrv.com/12volt/12volt.htm
there is a discussion of determining your 12v needs per day. This will allow you to determine the size of your solar system and battery capacity. For example using your 12v refer may need 24 amps and your furnace 20 amps plus pump and other, lets say 50 hours per day. Thus you would need a minimum 120 hour battery and the dual sixes would give you additional reserve.
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Old 07-21-2014, 05:41 PM   #40
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Just to be clear, we're talking 18 to 36 amp-hours, correct?

Even though we have one, I don't really like generators....but wouldn't it be nice to have a nearly silent 300 watt generator just to recharge the battery? Some day we'll be talking about hydrogen fuel cells for RV power.
I have been run out of a nice peaceful and quiet campground more than once by a generator -- even the "ultra-quiet" ones. Just from a consumption and operating expense standpoint, the newer and more efficient solar setups make more sense. It's green, it's renewable, and nobody has to get mad from the noise.

Yes, the '18 to 36 amps in a 24 hr period' is Sean's way of saying Amp Hours or Ah. It's not much of an estimate, so I'd plan my consumption on the higher number.
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