No wonder three way fridges dont work

Submitted: Sunday, Feb 25, 2007 at 16:54
ThreadID: 42682 Views:13501 Replies:11 FollowUps:28
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At the Adelaide Caravan and Camping Show yesterday, I asked the guy at the Dometic stand why my 3 way fridge doesn't work. He sold me the usual line about bad installation, so bought a fan kit off him.

Well, no wonder the things don't work! This is a really poorly designed fridge for Australian conditions and very badly installed by the popular caravan manufacturers. Read on if you want to be bored by what I think is the solution.

When I removed the fridge to fit the fan, I could see it all relies on an absorption unit and condenser at the back. It is inside the caravan so when it gets hot, the heat generated circulates inside around the fridge. I don't think its good enough to fit a computer fan onto the vent. The fan needs to be fitted on the back of the fridge between the absorption unit and condenser blowing air upwards. Next, bend some aluminium to direct the hot air out of the vent.

With this mod, my fridge got down to -C6 over night and stayed there all day! It normally takes two days to cool the thing down to +C4.

Next van I buy will have a couple of Engels (OK - or Waecos) mounted side by side.

Cheers

Doug

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