06-13-2024, 06:08 PM | #1 |
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Join Date: Dec 2011
Location: Boise, Idaho
Posts: 573
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How much 134a
Hello all,
89 v2500 I converted to a sanden compressor and the install was straight forward. That said,, I feel the pressures are wrong for the temperature and not sure if more ounces is the answer.. I have 36 ounces in there now,, i feel that is more than with the r4, but then i undercharged the pancaked compressor to keep the high side pressure lower and it was bitter cold. The compressors o-ring would fail after a few years. I have all the right tools, yellow jacket gauges, pulled a vac, no leaks etc. As of now, I have ~30/210 psi. The 30 PSI feels low compared to the return line and vent temp. When driving it just never gets cold. 60s out of the vent using my infrared. (feels warmer) The orifice is from the original r12 to 124 conversion.. I did not change it for the sanden. Not sure if there is a difference anyone do this conversion? How many ounces? Are my reading indicative of air in the system? I hae read 3.5 pound for r12 and 3.2 for 134.. Feels like a lot?? Thanks, Chris Last edited by chris989; 06-13-2024 at 06:19 PM. |
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