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Post Info TOPIC: 3 way - v - 2 way fridge


Veteran Member

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3 way - v - 2 way fridge


Hi All,

I have a Thetford 3 way fridge.  For the second time in three weeks I am sitting in a caravan park waiting to have it fixed because it won't work on gas.  If I stay in a freecamp and run it on battery overnight it runs the battery right down  (I have two 80 watt solar panels and 120 watt house battery.  I have spoken to a couple of people who have Engal two way fridges and they can freecamp for three days on battery on less power than I have available.

Are 2 way fridges built to use less battery power?  My fridge is still under warranty (six weeks old), but so far it has cost me over $600 in caravan park fees waiting around for it to be fixed.  If it plays up again I'm wondering if I should change it for a two way Engel or similar.

I would appreciate some advice as to the best way to go.  

 



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2 way fridges use much less power than 3way models. My 55 ltr waeco averages out at about 2.5 amps an hr over a 24hr period, and I have an 150 amp hr deep cycle battery which is charged by the car and 130w solar array. It lasts about 5 days before you have to charge it with the car.I also have a 20 amp hr battery charger for when I,m on 240 power.I had a 3 way , but they didn,t work real well in the tropics, and a 9kg gas bottle was used every 3 weeks or so.The waeco doesn,t emit much noise, also.It gets much colder than the 3 way, down to about -18c. Engels or waeco or any reputable brand are good. I hope this helps you. Bill

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Member

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If you have a suitable 12V setup a compressor fridge could be the way to go, remember though, even with solar if the sun don't shine you can't charge the batteries.

I at present have a compressor freezer in the car and a three way in the camper, have had no problems with the three way so maybe your just having a bad run, get it looked at to see what the issue is with it, at least then if its working you can sell it to pay for a compressor type.

Cheers
LeighW

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A three way fridge can not be run on battery when parked,it does not cycle so it is like leaving the headlights on in relation to the power consumed, & dont work very well on 12v.

A compresor fridge works like a house hold fridge, it cycles mmeaning it will run till it reaches preset temp & then switch off untill temp rises enough for the thermostate switches it back on for another cycle.

JC.



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Be your self; there's no body better qualified !                    "I came into this world with nothing , I still have most of it"

 

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Senior Member

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   Janno, running a 3 way fridge on 12 volts will use more power than a 2 way running on 12 volts.

  You may also find running a 2 or 3 way fridge on 12 volts over lengthy periods and recharghing through solar panels, can actually boil your expensive batteries.

  Using gas on a 3 way is the best way to go when no plug in is available, I have a Dometic 90 litre fridge,  a 4kg gas cylinder lasts 7/9 days depending on temperature.

   A common cause of fridge failure is parking on uneven ground, I had this problem a few times. So chock up and level up first.

                      John



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Johnnz


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Thanks everyone for the info re the difference between 2 way and 3 way.  I feel much more informed now.

Even when dead level my fridge won't work, so hopefully tomorrow it will be fixed.  If it continues to give me trouble

I will think seriously about getting a 2 way.

 



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We have a 3 way portable, and another 3 way in the van, and tend to use 12 volt while driving, 240volt when available and gas when not.

Couldn't imagine not doing it that way.



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Rosie



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For some reason I thought we were on a primus but now I see its not so my post is irrelevent the the post .

Sorry.

Ian



-- Edited by powerstream on Wednesday 8th of August 2012 10:28:23 AM

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