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Old 08-28-2016, 12:42 PM   #1
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another noob fridge question

Had my first trip in the new trailer. I decided to turn off the propane while hauling it and left the fridge on auto. If there was no propane and obviously not plugged into electricity, would the fridge run on the trailer/truck battery while I was hauling it?

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Old 08-28-2016, 12:50 PM   #2
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Nope! It has to have 12 volt to operate the control circuitry, but only runs on propane or 120 volt AC. Why are you turning off the propane?
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Old 08-28-2016, 12:57 PM   #3
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Had my first trip in the new trailer. I decided to turn off the propane while hauling it and left the fridge on auto. If there was no propane and obviously not plugged into electricity, would the fridge run on the trailer/truck battery while I was hauling it?

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There are some 3-way units that do run on 12 v, but 90+% of units are just 2-way. I doubt that CR sells any unit with a 3-way refer.
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Old 08-28-2016, 01:39 PM   #4
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Had my first trip in the new trailer. I decided to turn off the propane while hauling it and left the fridge on auto. If there was no propane and obviously not plugged into electricity, would the fridge run on the trailer/truck battery while I was hauling it?

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No, it needs either gas or 120VAC to heat the ammonia refrigerant. In fact, leaving it on auto with the gas off will cause it to keep trying to light the gas, i.e. sparking, until it gives up. You'll see a blinking gas light.
I'm the "leave the propane on, and travel that way - that's the what they are designed for" kind of guy. I don't even turn it off when refueling. The only thing I do is take the first pump, so the trailer with the "hazardous" gas fridge is WAY back there, far from the gas pump.
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Old 08-28-2016, 02:33 PM   #5
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Okay, thanks guys for your help once again.

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Old 08-28-2016, 04:25 PM   #6
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I'm the "leave the propane on, and travel that way - that's the what they are designed for" kind of guy. I don't even turn it off when refueling. The only thing I do is take the first pump, so the trailer with the "hazardous" gas fridge is WAY back there, far from the gas pump.
Me too...
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Old 08-28-2016, 06:59 PM   #7
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I run with the propane on for the fridge, but, I never, pull up to the gas pump with the fridge running. I always stop, and turn the fridge off before pulling in to get gas.
All it takes is for the wind to swirl the fumes around to that pilot and there will be a big explosion.
Be safe guys. It doesn't take that long to turn the fridge off and then back on after you have pulled away from the pumps.
It's not only for your safety, but all the other people there getting gas at the same time.
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Old 08-28-2016, 07:16 PM   #8
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Always good to be cautious Lloyd.

But the % of fuel vapor to air required to ignite an would be tough to reach. You'd pass out before a fridge 20 feet away from the pump could ignite fumes.
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Old 08-28-2016, 07:20 PM   #9
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Yes, I believe in being cautious.
I seen a friend of mine welding in his shop, and he had an empty gas can that was sitting on the other wall. Guess what? Yup, it blew. I was glad neither one of us was in line with the path of that gas can when it took off.
I have tremendous respect for gasoline fumes.
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Old 08-28-2016, 07:47 PM   #10
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Quote:
Originally Posted by MartyinSC View Post
I'm the "leave the propane on, and travel that way - that's the what they are designed for" kind of guy. I don't even turn it off when refueling. The only thing I do is take the first pump, so the trailer with the "hazardous" gas fridge is WAY back there, far from the gas pump.
I do the same.
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