[Gmcnet] Duracool compatibility

[Bill Wilhoit]

Just for info, I put new compressor & dryer in when I converted from 12 to
134 in my Palm Beach... its blown very cold for over two years now... a good
place to buy AC equip is here in Houston at Discount Auto Parts Exchange,
713/861-2373...in 2006 I paid $95 for the compressor and less than $30 for
the dryer... By the way, my very, very nice Palm Beach is for sale for $12K
here in Houston...
Bill 713/674-3486
----- Original Message -----
From: "Eddie" <Eddie at Huffstetter.com>
To: <gmcnet at gmcers.org>
Sent: Saturday, August 09, 2008 12:39 PM
Subject: Re: [Gmcnet] Duracool compatibility


John,
Thank you for this post!
-Eddie- Houston, TX

----- Original Message -----
From: "John Wright" <powerjon at chartermi.net>
To: <gmcnet at gmcers.org>
Sent: Saturday, August 09, 2008 12:19 PM
Subject: Re: [Gmcnet] Duracool compatibility


Actually Emory the Duracool site  says that the existing refrigerant
must be removed before charging with Duracool.

See Below:

John

CHARGING INSTRUCTIONS

Using DURACOOL 12a® to replace R-134a is extremely easy. DURACOOL
12a® is compatible with both mineral and synthetic oils found in both
systems. You are able to use the oil that was originally installed in
the system, mineral in old CFC-12 systems and synthetic oil in R-134a
systems. We recommend that you use Duracool® A/C Oil Chill with OEM
approved U/V Leak Detection Dye. Additional information on Duracool®
A/C Oil Chill can be found by clicking on the A/C Solutions link from
the navigation bar at the top of this page.

To replace CFC-12 with DURACOOL 12a® requires the removal of all
existing refrigerant. Charge the DURACOOL 12a® using 35% of the
original (CFC-12) charge weight listed on the system tag. eg; system
tag calls for 40oz of CFC-12, use 14oz DURACOOL 12a®. Since DURACOOL
12a® is compatible with the mineral oils there is no need to change
or flush your system. DURACOOL 12a® will work with the existing
components. Pull a vacuum to at least -10 in hg. If a vacuum pump is
not available be sure to use Duracool® DuraDry™ to remove system
moisture.

To replace R-134a with DURACOOL 12a® you must remove all the existing
R-134a. Charge the DURACOOL 12a® using 40% of the original (R-134a)
charge weight listed on the system tag. eg; system tag calls for 40oz
of R-134a, use 16oz DURACOOL 12a®. Since DURACOOL 12a® is compatible
with the synthetic oils there is no need to change or flush your
system. DURACOOL 12a® will work with the existing components. Pull a
vacuum to at least -10 in hg. If a vacuum pump is not available be
sure to use Duracool® DuraDry™ to remove system moisture.

In Canada there are no requirements regarding the conversion of
CFC-12 or R-134a to DURACOOL 12a®.

In the United States the EPA requires that systems using CFC-12
refrigerants must be retrofitted to
R-134a prior to the use of DURACOOL 12a® .

CHARGING PROCEDURE

Recover any existing refrigerant charge into a suitable container,
regulations vary by region and the recovery of existing refrigerant
may need to be completed by an authorized technician. Leak test the
system, if a leak is detected the system must be repaired prior to
charging. DURACOOL 12a® is flammable and should only be leak tested
with an electronic hydrocarbon leak tester, soap bubbles or
fluorescent tracer fluid. If leaks are detected, ventilate the area,
keep away from flames and repair the leak. After repair, continue
with the charging procedure. Pull a vacuum of at least 25 cm Hg (10
in Hg). If a vacuum pump is not available be sure to use Duracool®
DuraDry™ to remove system moisture.
On Aug 9, 2008, at 10:52 AM, Gary Worobec wrote:



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