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Old 07-09-2011, 05:20 PM   #1
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Running fridge when dry camping?

When running the fridge with no hook up, does it use battery power and if so how much? (Talking about when useing the propane)
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Old 07-09-2011, 06:02 PM   #2
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Yes, it needs some 12vdc to run the control circuitry. It doesn't use much, but when the voltage drops, the fridge is dead. Once the check light comes on, you must recharge, switch batteries, whatever or the fridge will begin to slowly warm up.

That's why we preach using as little 12vdc as possible when dry camping. If you are not conservative with lighting alone, you can run the battery down in just a couple of days.

In the spring and fall, the furnace is a big user of 12vdc.

There are a number of threads already here about 12vdc conservation. They make excellent reading. Most of your questions likely already answered in those threads.

These fridges are very slow to recover. It may take a full day to get it down to temp when first firing it up. Standing with the door open trying to decide on a snack is unwise as you'll fill the interior with warm air. Unlike home fridges, there is no circulation by 110vac fan, and the cooling process, while efficient, is much slower than we are used to with our home fridges.
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Old 07-09-2011, 06:19 PM   #3
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Guess it depends on the unit mine has no 12 volt connections either runs on 120 volt or propane. It is the kind that has a push button propane lighter.
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Old 07-09-2011, 07:09 PM   #4
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Yes it is..
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Guess it depends on the unit mine has no 12 volt connections either runs on 120 volt or propane. It is the kind that has a push button propane lighter.
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Old 07-09-2011, 08:09 PM   #5
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Guess it depends on the unit mine has no 12 volt connections either runs on 120 volt or propane. It is the kind that has a push button propane lighter.
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Yes, it needs some 12vdc to run the control circuitry. It doesn't use much, but when the voltage drops, the fridge is dead. Once the check light comes on, you must recharge, switch batteries, whatever or the fridge will begin to slowly warm up.
You still need 12vdc. Try starting it on propane with the battery disconnected - it won't work!
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Old 07-09-2011, 08:12 PM   #6
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You still need 12vdc. Try starting it on propane with the battery disconnected - it won't work!
Some of the older fridges - early 80's and older - truly ran on propane only with no 12vdc needed. I had one in my '76 Prowler.
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Old 07-10-2011, 06:18 PM   #7
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Mine is a 1990 Domedic 2301 and it will light with the battery disconnected. I do know some newer models had control boards that required 12 volts but as far as I know all the push button lighters need no 12 volt input.
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Old 07-11-2011, 06:18 AM   #8
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... as far as I know all the push button lighters need no 12 volt input.
You are correct. The fridge in our pop-up is a three-way and will run on propane w/o 12V DC.

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