12v Refrigeration - What size do you use?

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Re: 12v Refrigeration - What size do you use?

Postby fishboat » Wed Sep 11, 2019 5:49 am

TimC wrote: Ever been to Big Island Lake in Schoolcraft County? It is a small version of Sylvania. Very quiet and remote. Northwest of Manistique.

When I had the fridge shroud off one of the things I wanted to investigate was a way to hard wire the "de-stratify" fan (12v version) to the 12v wiring inside so I wouldn't have to mess with batteries of any kind. In the Alpicool finding a spot to do that was not hard. In the photo you can see the wiring block. The top two terminals are the hot and neutral terms. The fridge's condenser fan is just a 120mm case fan, 12v. It runs only when the fridge is running, so, I think hooking up the little fan to these two terms would work to de-stratify the fridge. The biggest challenge (more a fear of screwing up a new fridge) is how/where to drill a small access hole to run the wire. I once witnessed someone drilling into a home fridge to put a hasp and lock on the door of the fridge. He happened to drill right through a coolant line effectively making a brand new fridge into a non-working one. So, If I do this I will do it with some forethought.

Sylvania..yah..nice place. We were there in mid-August and had the place (our loop) pretty much to ourselves. There were only about a half dozen campers in the whole place.

Haven't been to Big Island. I know of it, but just haven't penciled it in for a trip..yet.

Tapping into the internal wiring sounds perfect. I'd guess the circuitry upstream from the 120mm fan was designed for the load it sees downstream, but an extra 25mm fan(100ma or less) wouldn't matter. I'd be nervous about drilling the access hole too. Those fridges pack a lot of stuff into a very small space..random holes could be costly.
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