Fridge ventilation

Submitted: Friday, May 29, 2009 at 21:35
ThreadID: 69312 Views:1966 Replies:4 FollowUps:4
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G'day all

My son Littleborgy has just finished making a box on the back of my ute for me, and today i was just thinking, will i need to put any vents in the box for my waeco fridge, or will it be ok providing i leave lots of free space around it??...When i had the wagon i always use to leave a window near the fridge down a little...

There are some pics of the box in my profile if any one wants to see

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Reply By: oldtrack123 - Friday, May 29, 2009 at 21:41

Friday, May 29, 2009 at 21:41
A simple answer, the frig generates heat , it has to get rid of it otherwise it becomes a closed loop. the box WILL get hotter & hotter & the fridge will work harder & harder Until something gives.!!
YES you needs lots of ventilation the more the better.i
AnswerID: 367501

Follow Up By: Member - Graham H (QLD) - Friday, May 29, 2009 at 22:33

Friday, May 29, 2009 at 22:33
Should have openings at the ends where the fan sucks the air in one side and blows it out the other.

FollowupID: 635159

Follow Up By: Dave... Adelaide (SA) - Friday, May 29, 2009 at 22:52

Friday, May 29, 2009 at 22:52
I think it would take a fair bit of heat to get this size box hot enough to cause problems, wouldn't it????

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FollowupID: 635163

Follow Up By: Crackles - Friday, May 29, 2009 at 23:04

Friday, May 29, 2009 at 23:04
In cool to warm conditions having no ventilation would make little if any difference (heat would be transferred through the steel) but on a hot day the temp inside the canopy could be 10 degrees above that outside reducing the run time of the fridge considerably. Most people I know don't bother venting their canopies instead opening it up each time they stop.
Cheers Craig...................
FollowupID: 635166

Follow Up By: Member - ross m (WA) - Saturday, May 30, 2009 at 01:27

Saturday, May 30, 2009 at 01:27
I would have a much ventilation as possible. Not just near the fridge,but up front and at the rear so it can escape.
You can put filters over the openings to keep the dust down
FollowupID: 635171

Reply By: Member - Phil G (SA) - Saturday, May 30, 2009 at 08:25

Saturday, May 30, 2009 at 08:25
Nice design!

I have no ventilation in mine and run two fridges. Its not a problem - just leave some space around the compressor end of the fridge.

I have a remote thermometer in my canopy and it never gets warmer than a few degrees above ambient - even when I've travelled in 45 degree heat. But its nice to keep air circulating - both my Engels have fans (as does your Waeco I suspect).

AnswerID: 367540

Reply By: Member - joc45 (WA) - Saturday, May 30, 2009 at 10:41

Saturday, May 30, 2009 at 10:41
Hi Dave,
Nice box!
The Waeco fridge has a Danfoss compressor which has a connection for a fan on the control box (the fridge prob already has a fan) which supplies power when the compressor runs. Connect this to a 12v fan; eg, from a computer power supply. These only draw a bit over 0.1A. Suggest you mount it where it can draw air thru the box to the outside.
I have a short lead with a connector on my Autofridge for this purpose - I just connect it up when sliding the fridge into the roller/housing and two fans push air around the fridge.
AnswerID: 367562

Reply By: Dave... Adelaide (SA) - Saturday, May 30, 2009 at 22:39

Saturday, May 30, 2009 at 22:39
Thanks for the replies everyone, at this stage i dont think i will bother venting the box, i will just see how it goes. Hopefully all will be ok, i dont really want to have to put any holes in the box because of dust..
AnswerID: 367688

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