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Old 05-21-2015, 09:47 PM   #1
1 Rivet Member
1977 Argosy 28
new braunfels , Texas
Join Date: Apr 2015
Posts: 5
Frig vent to outside?

I just bought a 77 28' Argosy tt. Everything original except it has a small house frig in it. I want to buy a frig for it. There is a outside door but there is no roof vent or any other vent to cool the frig. Should there be a vent?
If so were was it located? Thanks for the help in advance.
Signed Just Getting Started.

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Old 05-21-2015, 11:25 PM   #2
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1972 Argosy 20
Snoqualmie , Washington
Join Date: Sep 2012
Posts: 379
On the inside of your trailer above the refrigerator, running from the counter top to the ceiling, should be a plastic (ABS I believe) chase. On the exterior, where that chase hits the interior ceiling, should be a cap about 1' long that is basically a rain shield. If the chase and the cap aren't there, then the PO removed them, and in order to put in a trailer friendly refrigerator, you will need to re-invent/install both components.
Others will have other opinions.
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Old 05-23-2015, 05:49 PM   #3
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1977 Argosy 28
new braunfels , Texas
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Thank you, I had no Idea. Yes it looks like PO removed it. :-(
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Old 07-26-2015, 01:35 PM   #4
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Geismar , Louisiana
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Hmm I have removed mine... Is a vent like that really needed if you are using a modern DC/AC fridge? Or a simple mini-fridge from home depot/lowes? They don't expel any harmful fumes that I know of and as long as there is enough airflow behind it, it should be ok, right?

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Old 07-26-2015, 02:33 PM   #5
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1975 27' Overlander
Mission , Texas
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The vent is only needed when running the fridge on gas, or if it is an amonia cooling system in case there is a leak.

At least that's what I remember.

They say as you get older the second thing to go is your memory, I don't remember the first.
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Old 07-26-2015, 02:48 PM   #6
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Any ammonia absorption fridge needs to be vented regardless of the heat source. Thus is to allow for proper air flow across the condenser fins located at the top of the cooling unit.

If theyl get overly warm, it negatively effects the chemical process (which I won't get into here) going on inside the tubing and will not allow for proper heat transfer and cooling inside the box.

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Old 07-26-2015, 03:16 PM   #7
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What Lew said ...

I love the internet and my smartphone ...

Overview of ammonia refrigeration:

RV fridge in application:

RV fridge more detail:

The stationary engineer in me loves this stuff.

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