Bass wrote:

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Well Well Well, Update on fridge sarga seems i got ripped off by the installers who originally upgraded system, predater batteries where redated when put in, solar controler started playing up when connected to new batteries so pulled it out Made in china ( no problem there ) but DATE OF MANAFACTURE, JAN 2010 bloody thing was 10years old when installed and used. new Victron controller installed. All going perfect fridge doing what it is suposed to and all's well in my world UNTILL other day 39 degs, in park on 240 volt fridge not copeing, fridge running flat out on fast freeze and just keeping frezer at - 5 degs, any other setting and temp goes to positive , at 6pm fridge -1.5 deg. by 3am fridge finally down to -21 degs, next day 38 deg same story. my 50lt Waceo from car put in van and set to -2 deg no problems. SO I removed the 240 volt wires from fridge and ran it on 12volt that seemed to work a bit. at home now and van out in sun 28degs and all good. Pricing 3 way fridges had enuf this bloody thing.

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Converting from a caravan manufacturer installed evaporative  fridge to a 3 way is not a DIY project. Apart from the certification of the gas supply you will need to provide outside ventilation which means cutting a hole in the wall of the van.