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Sounds like a restriction, try to find the place on the liquid line where the sweating begins, that will be the likely location of the problem.

I=P/E

Where was he checking the liquid line temp? If measured outside at the condensing unit, there must be a restriction before the point the temp reading was taken.

Can anyone help me find a PT chart for R-1150?

This is simply a question, I stumbled upon this topic while searching this site. The person that brought up static pressure charging did not elaborate about procedures. I am just interested in...

So to charge you just let the system stabilize at room temp, and then add refrigerant to a specific pressure?

Could someone explain static pressure charging, and how it is done.

Thanks!

The a/c on my car runs when the fan is blowing on the floor with the a/c turned off. Just curious if anyone else has experienced this.