Tech replaced failed compressor and installed a turbo 200 capacitor in the downstairs unit. Charged with 7lbs 10oz R410A. Replaced filter drier and installed acid-away into new compressor. Confirmed proper operation with delta T measuring 69.6/49.6 equaling 20°F. Pressure tested at 290PSI for 13 minutes with .8 drop. System is operating normally at this time.