I wanna go fishin!
Last edited by Fletch6; 21-04-2017 at 15:50.
the mitsubishi a/c systems I work with, convert the alternating current to DC and allow the compressor to run at a variable speed depending on load....
Rather than the directly driven none inverter type thus the performance curve is a sine wave form Rather than the compressor running, dropping the temperature before cutting out, then allowing the temperature to rise again before cutting in.
Makes for a much more efficient machine AND less current loading (We no longer need 3 phase for most stuff and Motor rated breakers are no longer needed due to lack of up to 3 x the current draw on start up)
Probably 99% of my work is on inverter driven A/C now.....
Opening up a direct drive unit is like something from Antiques roadshow now lol.
I had similar problems.. I inherited a 3 way fridge from the last van owner..
I've read somewhere.. (probably on this site) That the 3 way fridge is designed for caravans.. and that the 12v option is actually only of use whilst the car is driving & split charging the system.. once on site EHU or Gas seems the way to go.. As others have suggested.. 8/9 amps from the appliance would require a sizeable solar setup.
Compressor fridge on the shopping list for me as well.. But, in the meantime.. I've programmed my solar controller to switch the fridge on & off for a couple of times a day.. It's not ideal.. but it's working out ok for now.. The fridge sits between 4-8 degrees over a 24hr period.. The battery never drops below 12v. This short term fix will probably change depending on the weather outside.. I'm in the UK at the min & beers keep cool enough in the boot.
It may not bother most people, but I like to find very quiet places to stay sometimes and I have found that the compressor noise can be really annoying. I now have a three way and use gas when not hooked up.
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