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Old 07-15-2016, 05:24 AM   #43
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I installed three of these fans. Very little power draw - 1.44 watts at 12Vdc or 0.14 amps for each fan and barely audible.

https://www.amazon.com/Anti-Stall-Be...an+NF-S12A+PWM
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Old 07-22-2016, 11:27 AM   #44
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We went with two Noctua NP-PF12 fans configured to pull hot air out of the refrigerator rear compartment. Preliminary results are positive. The interior of the fridge cooled much faster. Attachment 266594
I just received two NF-S12A PWM fans to put into our 2016 Bambi Sport. I see that you have done that already and said that there is good improvement. Just wondering how you installed them. Your enclosure looks different then mine. Did you alter the upper vent door? Also wondering if there is any problem with the wiring . Just plug it in the same cable? Thanks for any help
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Old 07-22-2016, 01:18 PM   #45
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Will this setup work for fridge fan?

I installed the fans by attaching them to an aluminum angle that I cut out for the fan curve and then screwed the angle to the wood interior. We do have different vent doors because we had a leak with the factory vents and the fix was to upgrade to the same stainless steel vent doors that are in the 28' model. Initially the Airstream guys said they didn't make stainless vents for the 16 but long story short, they fit. The fans you mentioned have four wires but the switch only uses two wires. You will only need the red and the black to power the fan. The other two wires on your fans are a ground and some other wire that a computer would used to modulate the fan speed. We moved the temperature switch too so that the fans would turn on earlier. You can get a step down from three wire to two but you can skip that and use a couple of spade connectors. The kind that have protection are probably better to use. Shows where we moved the switch to.
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Old 07-22-2016, 01:34 PM   #46
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Old 07-22-2016, 03:26 PM   #47
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Thanks for your quick reply. Looks like a nice neat job you did on the fan replacement. Happy Camping in your new Bambi~!
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Old 07-22-2016, 04:39 PM   #48
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I installed three of these fans. Very little power draw - 1.44 watts at 12Vdc or 0.14 amps for each fan and barely audible.

https://www.amazon.com/Anti-Stall-Be...an+NF-S12A+PWM

Did you install a thermostat? If so where did you get it and what temp is set ? If you did not when do they run?

Gary
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Old 07-22-2016, 11:13 PM   #49
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I just installed this one along with the fan mentioned above...

https://www.amazon.com/gp/aw/d/B019I...236_SY340_QL65

I have a compressor fridge, so I put the sensor probe against the compressor. I'm thinking of setting the parameters so the fan turns on at 100 degrees, although I don't know what would be the best temp. I'm curious to hear others thoughts as well.
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Old 07-23-2016, 07:43 AM   #50
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Before we installed the Vitrifrigo refrigerator, I had a manual switch to turn the fans on and off mounted on the wall. The propane flame on the Dometic seems to be on all the time in hot weather.

After the new fridge was installed, we have a relay that is energized whenever the Danfoss freon compressor turns on so the fans run only when needed. Due to our solar system wiring, we use that switch to turn off the very small 120Vac power inverter that came with the fridge so it draws power directly from the 300 amp hour lithium battery rather than inverting 12Vdc to 120Vac to convert back to 12Vdv to run the compressor.
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Old 08-06-2016, 07:14 PM   #51
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Wiring question

i purchased the fan you recommended. It comes with a 4 pin wire harness with plugs on both ends. The existing fan in the fridge fan area has 2 wires, red and blue with hard wire and no plugs. Which 2 wires do we use in the new harness. Any help would be appreciated.
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Old 08-07-2016, 01:09 PM   #52
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I would use crimp-on spade connectors, red wire to red wire and blue wire from existing set up would probably go to the black wire on your new fan. The other two wires would not be used. One of them is a ground and one is used by computers to modulate fan speed. Our set up will only have one speed. Make sure the fan works before cutting off the extra wires.
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Old 08-08-2016, 06:38 AM   #53
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Black and red are usually the power wires with black negative and red positive.
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Old 08-08-2016, 05:29 PM   #54
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Will this setup work for fridge fan?

Quote:
Originally Posted by Fancypantsas View Post
i purchased the fan you recommended. It comes with a 4 pin wire harness with plugs on both ends. The existing fan in the fridge fan area has 2 wires, red and blue with hard wire and no plugs. Which 2 wires do we use in the new harness. Any help would be appreciated.


Black is ground and yellow is 12v on the Noctua Fan. Red is likely the 12v positive feed on your old one. On my setup I just snipped off one of the connectors on the extension and wired it direct. I then plugged in the Y Adapter so I can add an extra fan later if needed.
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