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Old 08-17-2012, 04:55 PM   #11
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Originally Posted by dunnnc

I think they would be much better utilized if they were horizontal and blowing from the bottom of the coils up toward the roof. That's where the cooling is needed.

Lol to do that Id need about 15 1" x 1" fans as it is there's no room to get fans to push air directly out vertical vent stack

Best place to install would be to take roof cover off and instal in vent stack .
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Old 08-17-2012, 05:00 PM   #12
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Originally Posted by f1100turbo View Post
Lol to do that Id need about 15 1" x 1" fans as it is there's no room to get fans to push air directly out vertical vent stack

Best place to install would be to take roof cover off and instal in vent stack .
Where there is a will there is a way. When I get my other one, I'll take pictures of how to place them. lol
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Old 08-17-2012, 05:06 PM   #13
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Quote:
Originally Posted by dunnnc

Where there is a will there is a way. When I get my other one, I'll take pictures of how to place them. lol
Mind you I'm using 120 mm fans
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Old 08-17-2012, 06:35 PM   #14
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My exhaust is through a side vent panel just above the refrigerator , not though the roof. So the one small fan just doesn't do it. I just spent a while with my volt meter and I cannot find a 12 volt line that is switched by the refrigerator being on. All easily accessed lines are constantly hot. Where did you find a switched line?
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Old 08-17-2012, 06:53 PM   #15
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Originally Posted by Mark S
My exhaust is through a side vent panel just above the refrigerator , not though the roof. So the one small fan just doesn't do it. I just spent a while with my volt meter and I cannot find a 12 volt line that is switched by the refrigerator being on. All easily accessed lines are constantly hot. Where did you find a switched line?
What fridge do you have?

I had to take cover off of the circuit board on lower left of fridge .
On that board lower left there's a red wire that says 12v switched
That is what I used
I can take a picture Sunday
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Old 08-17-2012, 07:17 PM   #16
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http://i32.servimg.com/u/f32/15/82/45/87/fans_i10.jpg


This is how I have mine set up and they a thermostatly controlled they run slow at first and as things warm up they speed up also they are alot quieter and move more air then old one hooked up to original wiring that controlled old fan works great it improved how the Refrigerator works by 25%...
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Old 08-17-2012, 07:35 PM   #17
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Originally Posted by onetonford
http://i32.servimg.com/u/f32/15/82/45/87/fans_i10.jpg

This is how I have mine set up and they a thermostatly controlled they run slow at first and as things warm up they speed up also they are alot quieter and move more air then old one hooked up to original wiring that controlled old fan works great it improved how the Refrigerator works by 25%...
Can you take pic of a bigger view of fridge?
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Old 08-17-2012, 08:08 PM   #18
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Not at the Moment but I have some other views they are all taken from the top compartment Door because the Refrigerator is in the slide...

http://i32.servimg.com/u/f32/15/82/45/87/fans_i11.jpg
http://i32.servimg.com/u/f32/15/82/45/87/fans_i12.jpg
http://i32.servimg.com/u/f32/15/82/45/87/fans_i13.jpg
http://i32.servimg.com/u/f32/15/82/45/87/fans_i14.jpg
http://i32.servimg.com/u/f32/15/82/45/87/fans_i15.jpg
http://i32.servimg.com/u/f32/15/82/45/87/fans_i17.jpg
http://i32.servimg.com/u/f32/15/82/45/87/fans_i18.jpg
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Old 08-17-2012, 09:12 PM   #19
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Just a question If youre trying to get the heat moving. Would it be better to have the fans blowing out, or the lower one blowing in and the top blowing out? I installed a fan on the inside coil and it only runs when the door is closed. I seem to have more adjustment left if I want it colder. Your thoughts thanks for letting me barge.
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Old 08-17-2012, 09:36 PM   #20
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Quote:
Originally Posted by f1100turbo View Post
Mine are sucking from the vent side as to help aid in cooler air running through system. Placement of the fans have no particular rhyme or reason other tHan being close to the vent to draw cool fresh air.
Ron
What I was getting at is that I think that there is a rhyme/reason
to avoid cooling the combustion chamber. An ammonia fridge
is a thermodynamic engine - a heat pump - driven by heat
input which boils the ammonia to start the condensation/
evaporation cycle which moves heat from the source (fridge
evap coils) to the sink (condensation coils).

If you reduce the heat input, you will boil less ammonia and
thus reduce efficiency. I think you want to cool the condenser
coils and allow the combustion chamber to get as hot as it was
designed to be in order to have maximum efficiency.
And yes, I don't know the order of the effect, but every little
bit helps when the ambient temperature is in the 100's.

Just ordered my 4 fan bank from allelectronics. We'll see if that
helps in the 100+ temp here. Plan to put them at the top of
the vent. Perhaps that design will suck big time!

cheers,
johnd
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