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Old 07-02-2011, 12:05 PM   #15
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Quote:
Originally Posted by Davis
...I have heard in the past that there is too much room behind these refrigerators in the rear of the compartment and does not allow the air to circulate properly therefore resulting in increased heat build up with the rear coils. Is any of that true ? Thanks for any advice.
I recall seeing that in an installation manual, particularly for the area behind the coils. What I understood was a space of only a couple inches forms a Venturi of sorts that channels the airflow across the coils. The exterior wall behind my fridge was boxed in so while the fridge sits nearly a foot away from the wall, I can barely put my hand between the coils and this boxed in section.

Placement of a fan that assists the chimney effect and creates additional airflow across the coils can improve the efficiency of the fridge.

Proper loading of the contents in the fridge to allow cold air circulation also helps and many have found a supplemental fan in the fridge to be beneficial.

My question would be: Do you know if this fridge has always preformed this way, or is this a recent development?
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Old 07-02-2011, 12:07 PM   #16
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Quote:
Originally Posted by mikeandnora View Post
I have a couple pc fans laying around.


Do you get 12v from back of fridge connections or elsewhere?
Unless Mello Mike has a refer newer than his trailer, his doesn't need 12V. Our older refers are just 120V and propane, with no 12V control board and no electronic ignitor for the propane. It's a bit more fiddly, but also a bit more reliable since one of the most common complaints I read about with fancier refer units is dead control boards.
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Old 07-02-2011, 12:10 PM   #17
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Cooling Fans

This is a refinement of a number of ideas and seems to work great.

http://www.airforums.com/forums/f313...ml#post1010868

Computer fans are cheap, and if run off solar without a battery, will run at varied speeds depending on the sun, and are quieter at lower speeds. 12V then when you need it.
Dave
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Old 07-02-2011, 12:13 PM   #18
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Quote:
Originally Posted by DKB_SATX View Post
Unless Mello Mike has a refer newer than his trailer, his doesn't need 12V. Our older refers are just 120V and propane, with no 12V control board and no electronic ignitor for the propane. It's a bit more fiddly, but also a bit more reliable since one of the most common complaints I read about with fancier refer units is dead control boards.
I have a new refrigerator in my '72, a Norcold I bought back in 2006. It does require 12v to operate and that's how my tiny computer fan is hooked up.
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Old 07-23-2011, 05:36 AM   #19
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Quote:
Originally Posted by YankeeDoodle View Post
I recall seeing that in an installation manual, particularly for the area behind the coils. What I understood was a space of only a couple inches forms a Venturi of sorts that channels the airflow across the coils. The exterior wall behind my fridge was boxed in so while the fridge sits nearly a foot away from the wall, I can barely put my hand between the coils and this boxed in section.

Placement of a fan that assists the chimney effect and creates additional airflow across the coils can improve the efficiency of the fridge.

Proper loading of the contents in the fridge to allow cold air circulation also helps and many have found a supplemental fan in the fridge to be beneficial.

My question would be: Do you know if this fridge has always preformed this way, or is this a recent development?

As long as I have had this trailer for the past 8 years it has been an issue but it seems worse this year due to the extreme temps. I do know that other Airstreamers have experienced this as well and especially with the 34ft trailers. I have even seen people leave the access door open and prop box fans to try and make there fridge cool better. But when I talk with other X brand owners they dont seem to have any problems with there refrigerators.
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Old 07-23-2011, 05:41 AM   #20
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I have installed a roof vent fan that is thermostically controlled and that helps but still not enough.

I had originally had a D cell operated fan in the fridge box . So I purchased a dual fan unit that is 12 volt and hooked it up to my interior light and it attatches to the cooling fins via alligator clip that also acts as a ground. That helped the most instead of seeing temps in the 48 deg and up now I am seeind 42 deg at the peek part of the day when it is 95 and up outside. The dual fan unit really moves the air. I found this on Ebay.
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