Outside unit has been relocated down the walkway condenser is also very dirty, in attic their is a new furnace and coil. Did they change the txv for r22 when they installed that system. We would remove old ac condenser and re run the high voltage wire and disconnect to be in code. In attic we would change the txv and flush lineset with rx11. To clean refrigerant lines. Nitrogen braze in new system, pressure test system, vacuum below 500 microns. Then factory charge system.