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3 Dec 2014
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Nick
I am looking into the second evaporator in the cabin
The one from withams is a big box
Just thinking out loud, do you think its possible to add a second compressor 240v ( if there is such an item )
so that you could run it all on mains , obviously you would have to power the fan in the condensor but that doesnt take too much power .
It just seems to be a loss if you couldnt run it from tge mains or for short periods on tge inverter.
Any thoughts would be gladly received.
Neil
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3 Dec 2014
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Join Date: Nov 2009
Location: J10 M40 UK
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this site with its parts /components catalogue can be quite useful
Red Dot Corporation | Mobile HVAC |
No connection other than as a satisfied customer using their stuff
__________________
Current : 2007 Mowag Bucher Duro 6x6 Motorhome , 2006 Sedici 4x4, 2007 Range Rover supercharged
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4 Dec 2014
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Quote:
Originally Posted by Neil H
Nick
I am looking into the second evaporator in the cabin
The one from withams is a big box
Just thinking out loud, do you think its possible to add a second compressor 240v ( if there is such an item )
so that you could run it all on mains , obviously you would have to power the fan in the condensor but that doesnt take too much power .
It just seems to be a loss if you couldnt run it from tge mains or for short periods on tge inverter.
Any thoughts would be gladly received.
Neil
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Hi Neil,
Technically possible, yes. Real-world useful - no.
The power required to run all your hardware is considerable. You would be lucky to find a mains hook-up on a formal site that would support the power requirement without tripping the whole site out. Bear in mind the different standards worldwide for mains ac too; 110v / 230v / different phasing etc.
Running your hardware from batteries would require a huge amp/hour reserve and a very elaborate system for off-grid battery management.
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4 Dec 2014
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Join Date: Jan 2010
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Quote:
Originally Posted by crinklystarfish
Hi Neil,
Technically possible, yes. Real-world useful - no.
The power required to run all your hardware is considerable. You would be lucky to find a mains hook-up on a formal site that would support the power requirement without tripping the whole site out. Bear in mind the different standards worldwide for mains ac too; 110v / 230v / different phasing etc.
Running your hardware from batteries would require a huge amp/hour reserve and a very elaborate system for off-grid battery management.
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I would agree with Steve. In addition to the above issues, there would also be the matter of where to put it in the system so each compressor when offline doesn't effect the performance when idle/off.
I have a secondary completely separate AC system that runs off mains (if I can find mains powerful enough). It is only for the 'bedrooms' in the cabin area and I don't expect it to drop the temperature more than a few degrees below the outside ambient. Time will tell.
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16 Dec 2014
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Thanks guys, sound advice.
The wifes getting a fan for christmas, now thats sorted.
If anyone has worked out the wiring on the DAF kits it would help, bearing in mind i am fitting it into a merc and using a different evaporator. Therefore the plug and play aspect is lost
Thanks
Neil
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