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03-07-2014, 12:05 PM
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#1
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Junior Member
Join Date: Mar 2014
Posts: 14
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Do you use a fan for your frig?
I am considering putting an aux. fan on the back of my frig to blow air over the condenser coils to improve efficancy of my frig. Is it worth it? If so what fan do you recommend? I have already eliminated the vent cover with the solar panel as I havn't heard many good things about the panel. Thanks Bob
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03-07-2014, 12:08 PM
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#2
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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I don't have a fan as you describe. I do have one of the small battery power fans inside to circulate the cold air through out the unit.
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Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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03-07-2014, 12:18 PM
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#3
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Senior Member
Join Date: Jul 2012
Posts: 1,450
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Yes, a fan/s will certainly help the efficiency of an absorption refrigerator. I would recommend 12volt computer muffin fans with ball bearings. They are quiet, low power use, long life. Consider hooking up to a temperature activated switch so they don't run constantly. Direct airflow over coils. Use the search window at the top of this page for lots of good info on this idea.
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George R. - Fulltiming since January '03
2007 Newmar Mountain Aire 3991
2012 Chevy Malibu LT1
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03-07-2014, 12:19 PM
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#4
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Registered User
Join Date: Oct 2010
Location: Central Florida
Posts: 525
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I actually put 2 high (110 cfm)air flow pancake fans (120 volt)behind the fridge. It helps mine some especially in the very hot weather. Keeps the air flowing. If you do a search on Amazon you should be able to find them. I also put 2 small fans on the fins inside the fridge. Circulates air inside the fridge and keeps the ice off the fins at the same time. You can find them on E-Bay.
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R & E
No RV at the moment
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03-07-2014, 12:22 PM
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#5
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Senior Member
Damon Owners Club
Join Date: Jul 2010
Location: Annapolis,MD
Posts: 1,458
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I got mine from Radio Shack, they have 12v and 120v 3" and 4"
muffin fans that are used in computers. On my Norcold, which is in
the slide and does not get good airflow out for the heat, I put in
one 4" 120v at the bottom blowing up, an two 3" 12v at the top
blowing the heat out thru the grill. HUGE improvement, even when
it was 100+ outside, we at 36-38 in the fridge and 10 in the freezer.
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03-07-2014, 12:24 PM
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#6
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Junior Member
Join Date: Mar 2014
Posts: 14
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I use one of the fans for the inside as well. They work real good. I use it in the coolers as well.
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03-07-2014, 12:33 PM
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#7
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Moderator Emeritus
Ford Super Duty Owner
Join Date: Aug 2000
Location: Bryan, TX when not traveling.
Posts: 22,945
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On the Norcold 13 cu.fy (4 door), I added two, 12 volt, 4" fans outside and a 3" fan inside. The two outside fans are wired in series so they run on 6 volts and 1/2 speed. I also moved the thermistor from the 2nd fin on the right to the 5 fin from the right.
Ken
Kne
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Amateur Radio Operator (KE5DFR)|No Longer Full-Time! - 2023 Cougar 22MLS toted by 2022 F150, 3.5L EcoBoost Tow Max FX4 Lariat Travel with one Standard Schnauzer and one small Timneh African Gray Parrot, retired mechanical engineer
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03-07-2014, 12:42 PM
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#8
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Senior Member
Winnebago Owners Club Ford Super Duty Owner
Join Date: Dec 2009
Posts: 2,529
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03-07-2014, 06:01 PM
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#9
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Senior Member
Fleetwood Owners Club American Coach Owners Club
Join Date: Mar 2011
Posts: 6,760
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I have a small 110 AC powered fan from Lowes. It goes into a plug on the rear of the refer. Also, I got a remote on/off switch so I can contol it from inside the coach.
+
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2014 American Eagle 45T
DD 13, 500 HP
Pulling a Honda CRV
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03-07-2014, 06:25 PM
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#10
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Senior Member
Join Date: Jun 2012
Location: Cheyenne, Wyoming
Posts: 385
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03-08-2014, 08:58 AM
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#11
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,626
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I have two fans behind my fridge blowing air upward toward the vent. I installed them when I replaced the cooling unit with the Amish-built unit. I understand that they are VERY important for proper operation of the fridge.
Good luck, happy trails, and God bless!
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Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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03-08-2014, 09:27 AM
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#12
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Senior Member
Newmar Owners Club
Join Date: Jul 2006
Location: Wellington, Florida
Posts: 13,599
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Hi Jayco23FB,
For the outside refer chimney, I have 2 12 VDC fans blowing air up the chimney. I had the Camco vent cover fans but in 3 years I had 3 of these and they all failed. Great idea, lousy quality.
Inside the refer I have 4 computer fans under the cooling fins. The fans are at Titan TTC-SC07TZ(RB) Z-AXIS VGA Cooler - Newegg.com They work perfectly and keep the fins from collecting condensation for months. I took the fans off the card and mounted them to the rear of the refer shelf. They are super quiet. For me, I feel they help keep the refer consistently cold in hot weather. My only reason for defrosting the refer is the freezer part of the unit.
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Gary
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
The Avatar Is Many Times Around The USA
Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours
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03-08-2014, 05:56 PM
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#13
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Mar 2008
Location: Southern Ontario
Posts: 1,381
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I have an Amish unit in the slide on my coach with side venting that makes proper cooling difficult. At the top vent, I had one fan installed when the Amish unit was installed - they also installed a baffle behind the coils to further focus the path of the cooling air. The single fan was a relatively low volume muffin fan controlled by a thermal switch. I recently replaced it and added two additional manually switched fans at the top vent. I used 12v muffin type fans with three blades and a 160cfm rating each. I also added a wireless thermometer behind the fans to monitor the actual temperature - the fans have made a real difference.
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Bob
09 Journey 39Z
Southern Ontario
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03-08-2014, 06:27 PM
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#14
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Senior Member
Join Date: May 2012
Location: Spring Valley AZ
Posts: 1,226
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2 muffins at the top of chimney to draw air. 2 little clip-ons inside the fridge to distribute, keeps my 27 y/o fridge cold and happy.
__________________
Don, Mary and Spooky
'00 Bluebird Skoolie Conversion
Geo Tracker/Dodge Neon/Aprilia Scooter towed
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