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Old 05-05-2018, 01:17 PM   #1
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Fan kit placement for fridge

I have just ordered the fan kit 2 NORCOLD DOMETIC RV cooling Fan Kit ON/OFF Thermostat, Wires Hardware from Ebay. The instructions show one fan on the bottom blowing in and one at the top blowing out. Many pictures Iíve seen of this fix show both fans at the top of the fridge compartment and wonder where the best locations are.
Those of you that have put fans in the fridge compartment, what do you think is the best placement and why. Also is it better to place them blowing the hot air out the vents or blowing in onto the fins?
Thanks! We leave for a 30 day trip the 15th and hope this fixes our fridge problems. We live in AZ and keeping the fridge a decent temp is a chore!
Laurie Stayton
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2016 Ram 1500
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Old 05-05-2018, 01:22 PM   #2
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I put my fan at the top of coil, was not enough room at the bottom.
Has worked fine now for almost a year now.
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Old 05-05-2018, 01:35 PM   #3
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I installed one on top blowing out and I hooked it to the refrigerator DC connector that I never use and ran a micro switch inside by the stove to turn on manually as needed. The air flow on these A frames refrigerators is poor and the inside temps vary a LOT. I also monitor the inside with a wireless temp gauge and try to keep the temps between 40 and 50 degrees.
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Old 05-05-2018, 06:05 PM   #4
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Just as an FYI the fridge temps should br in the 38 to 41 degree range to keep spoilage from happening.
I installed my fan at the top blowing out. I also used Reflectic to close up a bunch of the gaps around the fridge.
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Old 05-05-2018, 09:41 PM   #5
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The problem with the airflow for the A-frame fridges is that the hot air will not necessarily exhaust easily (or at all). There are several reasons for this:

1) The top of the fridge compartment is not sealed off to the top of the vent, leaving a space for hot air to collect. Same with the sides of the fridge compartment.

2. The baffle between the upper and lower vent is poorly mounted and actually blocks the air flow rather than pushing it through the cooling fins.

3. The vents themselves are poorly designed, having a lot of resistance to natural air flow in the name of keeping out water. My old Coleman PUP had metal vent covers that did a lot better job of promoting air flow - no fan needed - but would occasionally let in a little water in a thunderstorm.

A fan pushing air out the top vent is the direct solution. I also added Reflectix to help direct the air flow to the top vent. After advice from others, I tie-wrapped a 12V computer case fan directly to the vent cover. With that single fan that draws 70ma (.07A), I can decrease the propane or AC setting by about 50%. The fridge cools very reliably and efficiently.

just my experiences
Fred W
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2008 Hyundai Entourage minivan
camping Colorado and adjacent states one weekend at a time
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Old 05-06-2018, 08:58 AM   #6
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Another "top blowing out"

I mounted my computer fan to the inside of the top vent for efficiency.

I wired in a series toggle switch to operate from the outside of the vent.

The fan has a blue led light that is visible in dim/dark conditions. Cool...

It does make a difference in hot temps.
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Old 05-06-2018, 06:55 PM   #7
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We bought the exact same kit. We put both fans on the top blowing out. We were not sure if putting one on the bottom would interfere with the flame. So we just put both on top.
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Old 05-06-2018, 08:10 PM   #8
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How noisy are these fans, and would they work in my Georgetown do you think? My fridge is in the slideout (don't know what difference that makes but they tell me that is why it has a fan. I hate it. It sounds like a jet taking off right outside my window. Talk about a way to ruin a nice quiet camping trip! If a computer fan would work that would be great as they certainly seem quiet enough.
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Old 05-06-2018, 09:59 PM   #9
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Computer fans are really quiet and not only take the heat but are long lasting. I have the kit with a single fan but the doubles are also quiet. I have to take the top vent off to see if mine is working.
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Old 05-07-2018, 05:12 PM   #10
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Thanks everybody for the info. I love this group! A great bunch of people! I will have to write after our trip and let you all know how this fix worked. The fridge has been a thorn in our sides and hope this hack is as good as it sounds. The AZ heat is h*** on these Aframe fridges. Have a wonderful camping season!!!
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