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Old 01-22-2011, 06:44 AM   #1
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Refrigerator fan tip from Bob

I was tired of those battery operated fans to circulate air in the fridge. I bought a 12 volt computer fan from radio shack. It's 2" x2" and 1/2 " thick. I screwed it to the inside wall of the fridge and hot wired it to the fridge light. Every time the fridge turns on so does the fan with GREAT circulation.
Bob
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Old 01-22-2011, 07:16 AM   #2
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I think there is power going to the light all the time and it is waiting for the switch to close when the door is opened to light? Does your fan run all the time? Does it make the temps inside more even?
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Old 01-22-2011, 07:20 AM   #3
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IMHO that ''switch'' inside the 'refer' would have to be ''hot'' all the time and when you open the door, a 'circuit' is completed' for the lite to come on. If this works it is a great idea and I will pay you ten cents the next time I see you for this good idea.

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Old 01-22-2011, 07:21 AM   #4
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Originally Posted by palehorse89
I think there is power going to the light all the time and it is waiting for the switch to close when the door is opened to light? Does your fan run all the time? Does it make the temps inside more even?
I removed the light to get to the wires. There is only power to the light when the fridge is turned on. Circulation is terrific.
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Old 01-22-2011, 12:32 PM   #5
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Bob, how can the light fixture be "hot" all the time, if so it would be lite all the time? Am I missing something?

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Old 01-22-2011, 01:14 PM   #6
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Check the switch, It's the switch that shound be hot all the time.
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Old 01-22-2011, 01:30 PM   #7
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Bob, how can the light fixture be "hot" all the time, if so it would be lite all the time? Am I missing something?

fred
There are three wires to the light. One of the wires only goes hot when the fridge is turned. Connect to this one and the ground. Now when the fridge is turned one the fan will work.
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Old 01-22-2011, 01:47 PM   #8
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I have done this for several RVs now. You just have to come off the hot side of the door switch.

Ken
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Old 01-22-2011, 06:24 PM   #9
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Where did you mount the fan? Does it matter which way the fan pushes air?
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Old 01-22-2011, 07:23 PM   #10
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Where did you mount the fan? Does it matter which way the fan pushes air?
I mounted the fan about two inches from the light. You want it blowing towards the interior.
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Old 01-22-2011, 07:33 PM   #11
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This is actually an old thread topic, discussed quite a bit in past threads - here is a pointer to one fan setup a number of us are using successfully:

DOMETIC NORCOLD REFRIGERATOR FAN FOR RV 12 VOLT - eBay (item 250677760674 end time Jan-31-11 14:37:30 PST)

This fan can easily be installed, and the electrical can either be connected on some RV's as discussed above - or on refrigerators like our older '88 Norcold, I run the hot wire out to the rear of the refrigerator thru the refrigerator condensation drain, and connect it there at a point that provides fan power as long as the refrigerator is in operation.
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Old 01-22-2011, 07:47 PM   #12
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I connected my fan(s) to the interior light and then when I want them on, I connect the fan(s) via an alligator clip to the cooling fin in the back of the refrigerator. That completes the circuit and allows the fan to start operating. I have two of them in my refer -- on on each side and have found that it cools the refer down much quicker and more evenly as it moves quite a bit of air. They blow toward the cooling fins.

If you are electically inclined you can make your own fan setup (I did) like the one for sale on Ebay. The dual computer fans used to make the cooler seen in the above ad are also available on Ebay for less than $2.00 each --- I bought a lot of 6 for $10.00 and had free shipping.
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Old 01-24-2011, 07:08 PM   #13
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I bought one of those fans off e-bay . I attached 2 small L brackets to it and then bought 2 small spring clamps to hold it to the coil. I wired it into the fridge light hot wire ( the light switch makes to ground) so it runs as soon as you turn the fridge on. The only thing I don't like about this set up is the air blows into the coil so it exits out the bottom at the drain pan. This is on a dometic refer. Been using it 2 years now. I could probably reverse the wires on the motors so the air would blow the other way but it's been working fine, so I just left it alone.
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Old 01-24-2011, 08:32 PM   #14
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Quote:
Originally Posted by Bobptl View Post
I was tired of those battery operated fans to circulate air in the fridge. I bought a 12 volt computer fan from radio shack. It's 2" x2" and 1/2 " thick. I screwed it to the inside wall of the fridge and hot wired it to the fridge light. Every time the fridge turns on so does the fan with GREAT circulation.
Bob
Save for double faced tape instead of screws.... Same here
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