Motorhome Magazine Open Roads Forum: Tech Issues: Accelerating cooling In Fridge
Open Roads Forum Already a member? Login here.   If not, Register Today!  |  Help

Newest  |  Active  |  Popular  |  RVing FAQ Forum Rules  |  Forum Help and Support  |  Contact

Search:   Advanced Search

Search only in Tech Issues

Open Roads Forum  >  Tech Issues

 > Accelerating cooling In Fridge

This Topic Is Closed  |  Print Topic  |  Post New Topic  | 
Page of 2  
Next
Tech Issues Related Tips
weissmand

Los Angeles, CA

Senior Member

Joined: 07/13/2004

View Profile


Offline
Posted: 08/22/04 11:11pm Link  |  Print  |  Notify Moderator

Recently, I was camping in 90+ degree weather. I have a fridge fan that blows on the coils inside the fridge. If the fridge was opened it would take about 8 hours to bring the temperature back down to the mid 30's. It seems the cooling ability wasn't enough to keep up with the outside temperature. I've disconnected the light to remove any possible heat from that. Being I have a family, they are not deligent in sealing the door (snapping it shut!) but close it without the snap.

So the question begs, does a flue fan or something of that type actually assist the cooling process enough in hot weather or am I wasting my money?

Thoughts, opinion, conjecture, Random thoughts are welcome!

Thanks

Josh

dextery

Sioux Falls, SD Fulltimer

Senior Member

Joined: 12/02/2002

View Profile


Offline
Posted: 08/22/04 11:23pm Link  |  Print  |  Notify Moderator

I posted this elsewhere and it may be helpful to you.


You need to check your venting of the fridge to be sure the heat is going up and out the vent and is not clogged with insects or insect nests. If the vent is clear, a fix is to get from a computer store
one or two 6 inch fans 12 volt and wire them with a toggle on off switch and blow air up through the coils. This effectively removes the heat up the vent more quickly and thus causes more efficient cooling inside the fridge. I use mine when the ambient temps get to around 80 degrees.


Dexter/Cherie
2004 40ft Dutch Star | Spartan Chassis | ISL 370 HP Cummins | Quad Slide
Our Current Location
FMCA F306636 SKP 75602



Fishinghat

Western Washington, USA

Senior Member

Joined: 10/03/2002

View Profile


Offline
Posted: 08/22/04 11:50pm Link  |  Print  |  Notify Moderator

I installed five small computer muffin fans to blow air up past the coils in the back of the frig and out the top vent. I've used a thermal IR meter to measure the heat and the coils seem to stay about 20 to 25 degrees above the temperature of the outside air. When it was 80 degrees outside, the coils were between 97 and 105, and the inside of the frig was 34 to 37. Works for me. JMHO


Holiday Rambler Navigator DP, Hummer, and Honda VT1100C Shadow


ScottnSherrie

Augusta, GA

Senior Member

Joined: 08/02/2003

View Profile


Offline
Posted: 08/23/04 06:55am Link  |  Print  |  Notify Moderator

Somewhere out there is a site that explains how the venting is supposed to work. One major factor is that the coils need to be rather tight to the outside wall to get proper airflow via the draft effect created by rising hot air from the coils. The recommended distance was about 1 inch.

I checked my vent area and it was clear but had way too much space between the coils and the wall of the MH. I installed a couple of 80mm computer fans with an on/off switch mounted in the utility compartment under the fridge. I think it has helped.

I also took out the fridge light, as I discovered that it was always on, and I hooked a smaller computer fan to the light connections so that when the fridge is on, my fan inside the fridge is on.


88 Gulf Stream 34' Sun Vista, Ford 460, Edelbrock Perfomer carb, Thorley headers
Ford F-250 crew cab 4X4, 6.0 turbo diesel
complete roof rebuild
daughter 16, son 12
US Army Desert Storm vets (both of us)
left: The Ol' Gal right: DW with White Lightnin'


Heversole

Red Oak, TX

Full Member

Joined: 10/14/2003

View Profile



Posted: 08/23/04 08:25pm Link  |  Print  |  Notify Moderator

for a quick cool down, I put a bag of ice in the freezer and 1 in the frige. After the cool down, I would then pit already cooled down stuff in.


Harry & Beverly Eversole
2003 Hitchhiker II Deluxe 32' fktg
2000 F250 4x4, 7.3 power stroke, Bully dog Computer Chip

Red Oak, Tx



Lone Eagle

Tremonton, Utah

Senior Member

Joined: 03/13/2002

View Profile


Offline
Posted: 08/23/04 11:59pm Link  |  Print  |  Notify Moderator

I recently had the same problem. The fan helped but properly adjusting the gas pressure from 8 to 11 inches did the trick. It only takes a few minutes. Later! Frank


2002 2500HD Duramax/Allison
Juice 4.61 with MBRP 4" Exhaust
Racor Secondary Fuel Filter
ISSPRO Pyro & Boost Gauges
2002 Wildcat 27RL with
LT245X75X16 BFGs
B&W Turnover Ball

Johnofbham

Birmingham, Alabama

Senior Member

Joined: 07/18/2004

View Profile



Posted: 08/24/04 07:55am Link  |  Print  |  Notify Moderator

To reinforce what others are saying, my frig. quite working and the problem turn out to be a small corner of insulation was partially blocking the cooling air flow. Even this small, partial interference was enough to stop the cooling.





Ky-Dan

Louisville KY

Full Member

Joined: 11/17/2003

View Profile


Offline
Posted: 08/24/04 07:55am Link  |  Print  |  Notify Moderator

Quote:

I recently had the same problem. The fan helped but properly adjusting the gas pressure from 8 to 11 inches did the trick. It only takes a few minutes. Later! Frank


How did you do that??


Peace!!
Dan & Rita D. Louisville KY good ole USA
http://ky-dan.com
2004 Silverado 1500 ext cab 2WD
2004 T189 tandem axle Shadow Cruiser
98 Suzuki Intruder VS800 Motorcycle

marksman69



Full Member

Joined: 12/03/2002

View Profile



Posted: 08/24/04 09:21am Link  |  Print  |  Notify Moderator

yeah i had the same problem. my frige just wouldnt get below 45-55 degrees on a real hot day with normal usage of frige door. i read all i could on the net about venting. the distance behind my frige was about 6-8 inches. way too much. it should be an inch or two. more than that allows the air to move up the chimney area but it goes around the cooling coils. i took a piece of 2x4 and some plywood and made a baffel right at the cooling fans at the top of the frige. i had to reach down from the vent on the roof. i left 1/2 inch space between the fins and the baffel. that worked amazing. i then added a small computer fan (radio shack) to the inside of my frige on the inside coils and one on the rear access door to blow air into the cavity behind the frige. i now have problems keeping stuff in my frige from freezing! good luck and try the baffel.

FourBeer

The Last Great Wilderness

Senior Member

Joined: 09/22/2003

View Profile


Offline
Posted: 08/24/04 09:45am Link  |  Print  |  Notify Moderator

Quote:

I recently had the same problem. The fan helped but properly adjusting the gas pressure from 8 to 11 inches did the trick. It only takes a few minutes. Later! Frank


Could you explain a little more? Did you mean inches of water or inches of mercury. They are quite different.


FourBeer

"...you don't fly up a hill. You struggle slowly and painfully up a hill, and maybe, if you work very hard, you get to the top ahead of everybody else."
--Lance Armstrong
Tour de France 7-Time Winner

This Topic Is Closed  |  Print Topic  |  Post New Topic  | 
Page of 2  
Next

Open Roads Forum  >  Tech Issues

 > Accelerating cooling In Fridge
Search:   Advanced Search

Search only in Tech Issues


New posts No new posts
Closed, new posts Closed, no new posts
Moved, new posts Moved, no new posts

Adjust text size:

© 2010 Motorhome Magazine | Terms & Conditions | PRIVACY POLICY | YOUR PRIVACY RIGHTS