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 > norcold failures vs. slideouts

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the silverback

SW Mich

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Posted: 04/25/12 07:43pm Link  |  Print  |  Notify Moderator

Does anyone have any info. on any failure mode of the 1200 series frig. being in or out in a slideout. I ask this because a frig in a slideout will not have a roof vent.


the silverback

dougrainer

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Posted: 04/25/12 07:47pm Link  |  Print  |  Notify Moderator

It has the upper sidewall vent. But the 2 fans will push the air out. IF the fans are not running and the unit has the potential to overheat in a slide install versus a roof top vent. Doug

fredbon

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Posted: 04/25/12 08:30pm Link  |  Print  |  Notify Moderator

I have often wondered the same, I would be willing to bet a lot of failurers are on slide-outs.

fred


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Gadget Guy

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Posted: 04/25/12 09:28pm Link  |  Print  |  Notify Moderator

I think the only difference is the amount of time that the fans will run. We did a test this winter on a 1200 that was in a slide. This unit was parked with the unit on the shady side. By removing the covers we reduced the amount of time that the fans would run by about 50%. A huge difference. By removing the covers the amount of air moving up through the unit by normal convection was a real eye opener. Therefor logically I would assume that with the vent on the roof the air movement should be improved and I would imagine that if you removed the lower cover that should also increase the air flow.

2ndhom

Eugene, Oregon

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Posted: 04/25/12 10:16pm Link  |  Print  |  Notify Moderator

Hmmmmmmmm, this subject creates some thought. Our's isn't in a slide but I'm wondering if I should remove the roof vent to see if it's free of debris/dirt ... free flowing etc. When we're in 70 degree temps the fan runs almost constantly.

katysdad

Virginia

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Posted: 04/25/12 09:56pm Link  |  Print  |  Notify Moderator

usually the fans stop working and it stops cooling as well as it used to until the fans are replaced.


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zmotorsports

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Posted: 04/26/12 06:02am Link  |  Print  |  Notify Moderator

the silverback wrote:

Does anyone have any info. on any failure mode of the 1200 series frig. being in or out in a slideout. I ask this because a frig in a slideout will not have a roof vent.


This is the number one reason I did NOT want a refrigerator in a slide when we were looking for our current coach. My wife and I looked at quite a few over the nine month period and I didn't even look inside of several because I saw the two exterior vents on a slide and knew that was the refrigerator.

Several salesmen thought I was being overly paranoid, which I probably was, but I thought it was my money and if is not what I want I am not spending money on it. Simple logic told me that it would be harder to expel the heat out from behind the refrigerator if it couldn't flow out naturally without the assistance of the fans.

That said, I do know several people who have refrigerators in their slides and say there is no issues but I personally will still not have one. Just my opinion.

Mike.


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dougrainer

Carrolton, Texas

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Posted: 04/26/12 06:32am Link  |  Print  |  Notify Moderator

2ndhom wrote:

Hmmmmmmmm, this subject creates some thought. Our's isn't in a slide but I'm wondering if I should remove the roof vent to see if it's free of debris/dirt ... free flowing etc. When we're in 70 degree temps the fan runs almost constantly.


This is part of the usual maintenance for RV's but ALWAYS overlooked. ANY restriction in the free flow of the hot convection air will diminish cooling capacity. But, removing the roof top vent will allow water into the RV if it rains. Doug

dougrainer

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Posted: 04/26/12 06:34am Link  |  Print  |  Notify Moderator

zmotorsports wrote:

the silverback wrote:

Does anyone have any info. on any failure mode of the 1200 series frig. being in or out in a slideout. I ask this because a frig in a slideout will not have a roof vent.


This is the number one reason I did NOT want a refrigerator in a slide when we were looking for our current coach. My wife and I looked at quite a few over the nine month period and I didn't even look inside of several because I saw the two exterior vents on a slide and knew that was the refrigerator.

Several salesmen thought I was being overly paranoid, which I probably was, but I thought it was my money and if is not what I want I am not spending money on it. Simple logic told me that it would be harder to expel the heat out from behind the refrigerator if it couldn't flow out naturally without the assistance of the fans.

That said, I do know several people who have refrigerators in their slides and say there is no issues but I personally will still not have one. Just my opinion.

Mike.


You are coorect in your thinking but all you have to do is add one 4 inch fan at the top side vent blowing OUT and the unit will perform as well or better than one with a roof top vent. I do these type modifications all the time for customers that have slide mounted refers. Doug

Ivylog

Blairsville, Ga. USA

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Posted: 04/26/12 08:51am Link  |  Print  |  Notify Moderator

Hard to compete with a natural thermal siphoning. Depending on how well they installed one in a slide will determie how well it works and if you need additional fans. Unfortunately some installers put the upper vent lower than the the top of the slide creating a dead air space that traps the heat which disrupts the air flow. I've seen repairs where a baffle is added from the top of the refer to the top of the vent to isolate this dead air space whichhelps to force the hot air out.
One of the worst I've seen was one on the back wall of a 5er using two vents. It would work OK when not moving, but once on the road would not from the low pressure and swirling air flow at the back of the trailer. Took several extra fans to create the proper air flow.

* This post was edited 04/26/12 09:10am by Ivylog *


This post is my opinion (free advice). It is not intended to influence anyone's judgment nor do I advocate anyone do what I propose.

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