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01-11-2018, 02:02 PM #1
Charging system using recovery machine
Hi There
Can anyone give me a good reason why it would be a bad idea to use a recovery machine to charge a system with refrigerant, apart from the possibility of oil contamination?
Thanks
Contactor
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01-11-2018, 02:20 PM #2
Re: Charging system using recovery machine
I can't. Since the price of refrigerant has gone through the roof that's the way I do it now to get the dregs in.
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01-11-2018, 05:56 PM #3
Re: Charging system using recovery machine
I have done it on some car aircon when I could not locate the suction port only a delivery port
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01-11-2018, 06:56 PM #4
Re: Charging system using recovery machine
.
The machine does not know which way it is pushing so if the
machine can do either direction I see no reason why not.
I always advise people to push it in with a recovery machine
especially if you have a lot to do and it is cold, the days of
trying to warm a cylinder to get enough pressure to charge the system are long gone.
Rob
.Last edited by Rob White; 01-11-2018 at 06:59 PM.
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02-11-2018, 12:55 PM #5
Re: Charging system using recovery machine
Suggest that you use a liquid line filter to make sure no impurities get into the system. Otherwise as has been mentioned, it is the best way to recharge a system, especially if you have a lot of gas to put back in.
Mobile A/C at its best, see avatar.
Bedford. Now retired and trying to relax.
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02-11-2018, 03:52 PM #6