Installing a RV Refrigerator?

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Installing a RV Refrigerator?

Postby 225 » Tue Mar 04, 2014 6:44 pm

I see that all RV refrigerators us LP and electric.

There is usually a vent on the sides of all RV's for the fridge. And sometimes I see one with a vent on top too. If I were to buy/install a RV fridge on a cargo trailer conversion, what all would I have to do?


Thanks.
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Re: Installing a RV Refrigerator?

Postby MtnDon » Tue Mar 04, 2014 6:57 pm

The vent on the roof makes for a better draft to get rid of the heat than making the air make a turn and exit through the wall. But both work.

The propane / electric fridges need a narrow space behind it and a btm & top vent to allow air to circulate through and get rid of the heat. That should be sealed from the interior. That's the general idea... any specific areas you need detailed help with?

If the back wall is more than one inch away from the refrigerator coils, an added baffle will greatly improve the efficiency, because a large gap will allow the air drawn in by convection to bypass the coils, but if you put a baffle in to force the air to pass over the coils, the refrigerator will cool much more efficiently.
Our 6x12 deep vee nose cargo trailer camper conversion... viewtopic.php?f=42&t=58336

We have a small off grid cabin we built ourselves in the NM mountains; small PV solar system; 624 watts PV, Outback CC & inverter/charger ... http://countryplans.com/smf/index.php?topic=2335.0
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Re: Installing a RV Refrigerator?

Postby MtnDon » Tue Mar 04, 2014 7:07 pm

Our 6x12 deep vee nose cargo trailer camper conversion... viewtopic.php?f=42&t=58336

We have a small off grid cabin we built ourselves in the NM mountains; small PV solar system; 624 watts PV, Outback CC & inverter/charger ... http://countryplans.com/smf/index.php?topic=2335.0
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Re: Installing a RV Refrigerator?

Postby 225 » Tue Mar 04, 2014 7:09 pm

Thanks. Yes that what what I was wondering. If I needed just the 2 vents (on side, not side and roof) to give it proper ventilation. I'm not putting a stove in my CT. But I would like a fridge/microwave, A/C (the freestanding type), and shower/toilet combo.

I'll mostly be boondocking and want everything to run off LP or my Honda EU2000i generator.
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Re: Installing a RV Refrigerator?

Postby Glenlivet » Sat Mar 29, 2014 7:31 pm

I did it in my cargo trailer, installed an RV fridge on 12v, 120v, propane.
He's right, convection is enough to draw away the coil heat and combustion gases when propane fired. I opted for a roof vent. The manifold of sheet metal at the top never becomes too warm to comfortably lay a hand upon. I used the minimum 1" specified gap to the rear wall and flush on sides and top.
viewtopic.php?f=42&t=46134&start=45
It's seen on this page of my thread on the cargo build. I bought the compartment door on eBay and painted it to match the trailer skin.

The RV fridge was from a wrecked pickup truck camper I happened upon on a back overgrown road, and then it spent a couple of years working in a small travel trailer I had before this latest incarnation. It still works just fine. :D
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