Subject: Re: Conversion to R-123A on My 1991 20V Turbo
Project Pat
psdooley at verizon.net
Tue Jul 2 21:12:58 PDT 2013
AC compressors don't pump liquid, hopefully just vapor and oil mist.
The liquefaction takes place in the condenser, downstream from the comp.
The air reduces cooling efficiency, introduces moisture which produces
acids, and thermally insulates the refrigerant which reduces heat transfer
and raises the head pressure.
-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
Behalf Of Huw Powell
Sent: Tuesday, July 02, 2013 4:15 PM
To: quattro at audifans.com
Subject: Re: Subject: Re: Conversion to R-123A on My 1991 20V Turbo
> 1.) You will have some air in the system, air is not compressible
Yes it is. There just shouldn't be any air in the system.
The problem is the opposite - the system can't liquefy air at the temps
and pressures it operates at, so the compressor/pump can't pump it.
Perhaps that is what the OP meant.
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