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Post Info TOPIC: Dust proofing external fridge vents


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Dust proofing external fridge vents


We replaced our 3 way fridge with a 12v bushman and wish to improve the vents to decrease the dust entering these. Has anyone found a suitable dust filter for this?



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Guru

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A bit of information here:

https://thegreynomads.activeboard.com/t65059593/extra-fridge-insulation-wattage-test/

 

Basically rip out the rubbish fan installed by the manufacturer. Replace with Noctura industrial fan, higher volume, higher pressure & less amps.

 

I used some Whites gutter guard from Bunnings to add a filter (see down thread link (open cell foam)) trimmed to fit fridge. But install a quality fan or two. I have an old filter from a Daikin air conditioner which I am looking at repurposing.

 

Blow out the fridge with air gun, I do it after every outback trip, but I do have 3 ARB compressors in parallel.

 

Nothing better than high volume high pressure onboard air in the outback to pump up tyres quickly & clean car & also for venturi water cleaning (including showers).

 

An After Cooler using two small oil coolers at the end of your compressor which you can drop in your fridge will dry out our air. Nothing better than reducing the 7 x atmospheric water content from compressed air than a fridge/freezer.

 

But at the end of the day an air compressor to blow out dust works a treat.

 

default_272.jpg

 



-- Edited by Whenarewethere on Tuesday 23rd of January 2024 06:56:13 PM

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Procrastination, mankind's greatest labour saving device!

50L custom fuel rack 6x20W 100/20mppt 4x26Ah gel 28L super insulated fridge TPMS 3 ARB compressors heatsink fan cooled 4L tank aftercooler Air/water OCD cleaning 4 stage car acoustic insulation.



Senior Member

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A 12V compressor fridge does not need to be vented outside at all.
No outside vents = no possibility of dust.
Permanently close and seal the vents and make sure that the compressor and condenser are well vented to the inside of the van.
Cheers,
Peter

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OKA196 DIY, self contained 4WD MH, 1160W PV, 326Ah of CALB LiFePO4 batteries, 1.3kW inv, 310L water, 350-450L diesel.



Veteran Member

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Is your new fridge an upright version with vents on the side of the van/motorhome or a chest type?
Size?
If the former I'm happy to discuss our setup with the vents completely removed and covered with 3mm white polycarbonate sheeting. No dust involved. smile



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Neville
Mitsi Fuso MH 6.8m 3.9 TD. 180l fresh/grey - 600Ah LiFePO4 for truck/house - 800W solar - Victron electronics - 6kW Webasto diesel/electric water/air heater - 255l Samsung 230VAC fridge/freezer. Full-time travelling NZ.



Guru

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Unless you get this much dust in the vehicle.

 

IMG_20190914_161933044.jpg

 

It is surprising how much dust, dirt & hair collects over time. A bit like not vacuuming the house, you will notice over time.

 



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Procrastination, mankind's greatest labour saving device!

50L custom fuel rack 6x20W 100/20mppt 4x26Ah gel 28L super insulated fridge TPMS 3 ARB compressors heatsink fan cooled 4L tank aftercooler Air/water OCD cleaning 4 stage car acoustic insulation.



Guru

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Date:

Peter_n_Margaret wrote:

A 12V compressor fridge does not need to be vented outside at all.
No outside vents = no possibility of dust.
Permanently close and seal the vents and make sure that the compressor and condenser are well vented to the inside of the van.
Cheers,
Peter


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