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Old 11-30-2012, 10:26 AM   #1
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Refrigerator Vent Layout Question

Can someone explain how the fridge vent is set up? I'm trying to run cable down it and just wonder if the whole area behind the fridge is open to the vent or if it is ducted back there and I will need to figure out how to get the wire out of the duct to grab it from the area behind accessible from the hatch door.

It seems like it might be open but if someone could explain that will save me some time.

I know there is a plastic baffle directly under the roof vent cover and wire mesh on my 77 excella. A previous owner has a little port with a cover that can be removed from inside the cabin so I can see a little bit there. I'm trying to figure out if I should let the wire drop all the way down the chute (loose and flopping) or if I should be trying to fish it out soon after it enters the vent to continue the run?
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Old 11-30-2012, 10:45 AM   #2
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I ran a coax down mine earlier this year. I let it drop down to the cabinet level and then secured it to the side with a couple of ties and double sided tape. My fridge is short and there is an enclosure that attaches above the fridge and continues to the roof vent. I had to remove the vent cover to expand the wire mesh to get the cable down.
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Old 11-30-2012, 11:18 AM   #3
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On my '73, it is a continuous path from the vent on the room down to the floor behind the fridge.
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Old 11-30-2012, 11:30 AM   #4
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There may be difference from trailer year and fridge model, but nearly all have a row of fins across the rear of the fridge near the top. In general there is about a 2" gap between these fins and the wall or a baffle built up to achieve that gap. This is designed to enhance the airflow through those fins.

I drilled out the rivets and removed the cover and hail screen for better access. I was able to drop the cable down the side of the fridge avoiding the fins. I also chose the side away from burner unit as the surfaces over there can get hot. I then secured the cable to the side wall so that it wouldn't be a problem if someone needed to pull the fridge out. I then reinstalled the hail screen and vent cover with pop rivets and made sure it was sealed up well.
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Old 11-30-2012, 11:39 AM   #5
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Should I be moving the fridge to do this properly? I have no idea how much effort that would be but it just struck me that it could be a good idea if it slides out without much.
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Old 11-30-2012, 11:42 AM   #6
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Silver Goose, I can see those fins looking up from behind and they look filthy. Cleaning them would be another benefit to moving the fridge out.

I can't tell from all your responses if you loved the fridge or not. You don't talk about it but there is talk about routing and fastening the cable and I don't see how to do that without access.
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Old 11-30-2012, 11:42 AM   #7
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Quote:
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Should I be moving the fridge to do this properly? I have no idea how much effort that would be but it just struck me that it could be a good idea if it slides out without much.
I would not move the fridge. There is enough room to work behind it via the access door.
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Old 11-30-2012, 11:43 AM   #8
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Umm make that "moved" not "loved" - gotta "love" auto correct!
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Old 11-30-2012, 12:52 PM   #9
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move it out!

well, my sig other wouldn't allow me to keep the orig fridge in our 85. I imagine a 77 is even less desirable (as compared to a new one). So I removed the old one. It is a piece of cake. Then you can do what'cha want in the opening. go for it. it really is pretty straight forward and at the very least you will have copious access; will have a clean(er) fridge, and you can run a pvc conduit up to the refer access on the roof for future wires for all the other stuff you will add. and you will become a fridge guru.
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Old 11-30-2012, 03:22 PM   #10
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It is on the list for upgrades in the near future, as are the cabinets. As for now... Hmmm. I would really like to clean back there. I think those fins are all clogged up. And it could help me in thinking through what I want to do with the cabinets. Trying to talk myself into it.
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Old 11-30-2012, 08:47 PM   #11
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Should I be moving the fridge to do this properly? I have no idea how much effort that would be but it just struck me that it could be a good idea if it slides out without much.
No... You don't need to move the fridge. If you remove the vent cover, the cable should drop all the way to the floor, it might take a couple of tries. Then you should be able to move the cable over to the side. I used cable ties with eyelets to anchor into the wood with screws. If you don't want to use screws, Lowes, Home Depot and Radio Shack sell adhesive backed cable tie mounts. They can stay put on some surfaces, but I prefer the screw mounts where screws won't be a problem.
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Old 12-08-2012, 03:35 PM   #12
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If it was me, I'd clean the fins in situ with compressed air once the cover is removed. That saves bringing all of that nastiness into the interior, vacuum or no. Also when running wires, I like to anticipate future needs and run every possible wire needed at the same time, with the ends coiled or stubbed at each end of the project at hand as appropriate.
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