Casita refrigerator needs 12 volts - Page 2 - Fiberglass RV


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Old 11-29-2012, 10:13 PM   #15
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Hard to believe that in such a short span of years a perfectly adequate technology like the real 3-way fridge has been "improved" to the point that it will no longer operate on propane without electric input.

This is why I always advise folks looking at new fridges to avoid newer so-called "3-ways" like the plague. They won't go for long on strictly 12 volt, and most won't operate at all on propane without it!

And for that, a premium of several hundred dollars is charged over a simple propane/110v fridge.

Go figure!

Francesca
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Old 11-29-2012, 10:22 PM   #16
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Just get a solar panel, a 30 watt panel should take care of that small draw each 24 hour period.
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Old 11-30-2012, 08:36 AM   #17
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Quote:
Originally Posted by charliej View Post
Thanks Rob.

Sounds like I need a second battery. Anyone done this on a 17 sd casita?
Charlie, I run two 6 volt golf cart batteries in series which gives my Casita about 220 amp hours.

My strategy is usually charge during the day either from tow vehicle when traveling or use solar or generator if stationary.

At night I like to keep things quiet and use the inverter to provide power for editing pictures, watching DVDs or satellite TV.

As CPAHarley mentioned, a small solar panel will take care of a Casita's basic needs.
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Old 11-30-2012, 12:08 PM   #18
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I vote for the small solar panel - Charlie your in California! Land of endless power via solar.:-) Even a small panel in the 50 watt range will more than take care of the fridge power usage. It may cost only a little more than a good battery but will not need to be replaced ever 4 years.
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Old 11-30-2012, 03:05 PM   #19
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I'm curious as to why these gas refrigerators consume that much electricity. I understand that they have some kind of circuit to automatically switch to the available power source, but the power consumption seems excessive.
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Old 11-30-2012, 03:07 PM   #20
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Again, unless the manual is used as a guideline, we are guessing. It should specify the draw on propane, it should be minimal, might just be the igniter? But the manual is the first place to look for that answer.
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Old 11-30-2012, 03:20 PM   #21
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Maybe the the O.P. will come back and tell us the model number- then we could look it up ourselves.

Even his avatar info's no help as far as which Casita model/year he's got now, which could provide a clue....but it still says he's got a Scamp!

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Old 11-30-2012, 09:07 PM   #22
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It uses no electricity when on operating on propane.
Perry I thought that same about my 20 year old Dometic....... not so...
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Old 12-01-2012, 01:03 AM   #23
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NO DC OR AC required.

My Dometic RM 2193 does NOT require electricity to operate on propane.

If you wonder look at your manual. If don't have a manual, get the model number and download the manual from the manufacturer.

This is thing to do for any appliance installed in your trailer. Going to trailer manufacturer may or may not work. Usually they put the manuals that come with the appliances in the trailers or a package. That's probably the only copy they have.
However I have been able to download any manual for almost everything I have, including 10 to 20 year old appliances that were built into my house.
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Old 12-02-2012, 05:07 PM   #24
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Hi everyone! Thank you for all the replies. I have been out of cell/Internet service for the last several days.

I now have a 2010 Casita SD. The fridge is a Dometic RM 2454. I do have the manual but it does not specify the electrical usage when running on propane .

I will update my profile shortly.

What a great resource this site is and again thank you all !
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Old 12-02-2012, 05:58 PM   #25
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Maybe Dometic's website has some info?
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Old 12-02-2012, 06:02 PM   #26
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Quote:
Originally Posted by cpaharley2008 View Post
Again, unless the manual is used as a guideline, we are guessing. It should specify the draw on propane, it should be minimal, might just be the igniter? But the manual is the first place to look for that answer.
I agree, check your manual before jumping off into the deep end. I checked mine and there's no indication of any need for a battery or AC to operate on propane. FYI it's a Dometic RM 2193 3 way.
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Old 12-02-2012, 06:15 PM   #27
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If the controls are in the trailer, there is a good chance that DC will be required when using propane. Raz
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Old 12-02-2012, 06:33 PM   #28
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Quote:
Originally Posted by cpaharley2008 View Post
Maybe Dometic's website has some info?
As a point of interest:

Dometic's site gives energy consumption for certain models- I think those available in Europe- but not for the most common units encountered here in NA, such as the 2454 owned by the O.P....

Here's one example of a model for which they do give the numbers.

Francesca
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