Air Conditioning Recharge

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Air Conditioning Recharge

Postby d3v147 » Wed Jan 07, 2015 2:18 pm

I've refitted the Aircon system to my sigma and need to regas the aircon.

I'm having trouble finding anyone that has R12 or the equivalent HR12 in Tasmania. I don't really want to convert to R134 because it is not as efficient and the heat exchanger will probably not be adequate.

I guess I'm hoping to charge it with LPG/propane (yes, from the barbecue) but I cant find anyone who will help me out down this path or find the type and amount of oil that I will need to do it myself.

If anyone has any suggestions or advice that would be great. I am not interested in any comments regarding safety or flammability; so please don't bother with them.
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Re: Air Conditioning Recharge

Postby d3v147 » Wed Jan 07, 2015 2:27 pm

Just some reasoning and blend figures:

http://archive.hychill.com.au/pdf/pasolpgr.pdf
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Re: Air Conditioning Recharge

Postby Jordan1249 » Sun Jan 11, 2015 6:40 pm

from memory my mates dads a fridgey by trade and he does all our re gasing and R12 is no longer around you have to get a retro fitted its a couple hundred bucks
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Re: Air Conditioning Recharge

Postby d3v147 » Sun Jan 11, 2015 7:34 pm

Totally incorrect.
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Re: Air Conditioning Recharge

Postby LukeAussie » Mon Jan 12, 2015 12:48 pm

Nah, not totally incorrect... R12 can't be bought or sold any more, and is no longer being manufactured (not anywhere that trades with us, anyway!), and so all that's left is all there is. So, unless you are a fridgey, it's as rare as rocking-horse poo, or for all intents and purposes, it no longer exists. Plus, it's illegal to handle without a licence...

A retrofit to R134A is one option, but it's not as good as R12 (you can get a heat exchanger for 134 too to make it adequate). There are other options though, including R410A (more complicated), or hydrocarbons. The latter is potentially easier and should be possible without having a licence (you'll want to reclaim the R12 you have though... it's illegal to let it loose, and to valuable to do that too! Plus, a fridgey will be eternally grateful!).

I had a mate who converted to hydrocarbon a while ago, and he did it all himself (in a land cruiser troopy), and I reckon he said it was straight forward. He found a bunch of resources online...

I can ask my old man if he has resources too, as he's also a fridgey (hence my inside knowledge...). Good luck!
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Re: Air Conditioning Recharge

Postby Jordan1249 » Mon Jan 12, 2015 3:03 pm

well then....
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Re: Air Conditioning Recharge

Postby ozdusterdave » Mon Jan 12, 2015 10:23 pm

Nice..No wonder there is nobody on this site anymore... :|
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Re: Air Conditioning Recharge

Postby Jordan1249 » Tue Jan 13, 2015 1:15 am

me or him dave ?
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