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Old 05-30-2016, 09:48 AM   #11
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Do these fans run continuously while the fridge is in the on position?
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Old 05-30-2016, 10:11 AM   #12
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Do these fans run continuously while the fridge is in the on position?
The fan that is installed on my fridge has two switches. One is on the control board that will only allow the fan to run when the fridge is running. This switch connects to a thermostat to turn the fan on when the back fin it is attached to gets above 90-95 degrees. I also added a third switch inside that allows me to turn the fan off manually for travel or when I don't want it running.
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Old 05-30-2016, 02:23 PM   #13
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This duct has three 5" medium rpm fans blowing air out the top vent in a slide from a 4-door Dometic. Works fabulously. It was the first thing I did to this our 3rd RV. I actually disconnected the small "booster" fans that were installed 1/2 way between the vents.

Do you think that the small booster fans you mention are the source of the obnoxious high pitched noise from the outside of my fridge? Our fridge is on the door side of our trailer under the awning and I hate hearing it when we sit outside on a nice quiet evening.
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Old 05-30-2016, 02:29 PM   #14
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Put 2 computer fans at the very bottom of the back, just above the burner and they blow across the entire back of the frig and out the vent at the top.

Have since replace the 80 & 90 mm fans with twin 120 mm ball brg fans. Run them continuously when the frig is on. It makes a BIG difference in the way it cools.
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Old 05-30-2016, 02:33 PM   #15
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My problem is access to the top of the fridge. Mine only has one intake vent at the bottom of the refrigerator. I'll have to find a way to mount the fans up high enough to get the air to the vent on top of the trailer. My fridge is located on the back wall of the trailer. That's a cool way of doing it though. Looks great!!!
The easiest fix of all would be to purchase a Camco vent cover for the roof that has a built in fan and a solar panel to power it. A bit pricey, but an easy swap.
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Old 05-30-2016, 03:29 PM   #16
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Do you think that the small booster fans you mention are the source of the obnoxious high pitched noise from the outside of my fridge? Our fridge is on the door side of our trailer under the awning and I hate hearing it when we sit outside on a nice quiet evening.
Most likely. Depending upon how they are mounted you should be able to open the lower vent and using a mirror look up and see them. If you have a side vent you might be able to see the fan/s through the upper vent slats (at least that's how mine is mounted).
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Old 05-30-2016, 03:36 PM   #17
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Hi,

My Silverback has a refer in the slide, and a noisy stock fan. I added a single computer fan on a bracket that elevated it about six inches from the bottom of the compartment, with a manual switch. I also blocked the gap between the top of the refer and the underside of the slide.

Problem solved, as this apparently is enough to keep the column of air moving, and prevent warm air from pooling over the gap between the top of the unit and the underside of the slide.

FWIW.

Rich Phillips
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Old 05-30-2016, 03:51 PM   #18
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The easiest fix of all would be to purchase a Camco vent cover for the roof that has a built in fan and a solar panel to power it. A bit pricey, but an easy swap.
I'll check it out. Thanks!!
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Old 05-31-2016, 08:41 AM   #19
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Kanga99-prob'ly...I could hear my original factory fans and that's why I turned them off. Too noisy. Can't hear my much larger fans as they're larger & lower speed.
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Old 05-31-2016, 09:37 PM   #20
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I just added one fan. It wasn't warm enough this past weekend for it to come on, but I am looking forward to seeing how well it works. I left room to add 1 to 2 more if needed. I added a thermostat, so it will come on and off as needed. I also added a shut off switch. It is on our classic 625d pop up. It was an easy install.

Sorry for the pic. It ended up sideways, and I couldn't figure out how to it upright. Later.
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