Recover all refrigerant from system. -Remove & dispose of existing outdoor condensing unit as per the EPA guidelines. -Furnish and install one (1) Trane/American Standard** outdoor condensing unit. -Re-pipe condenser with ACR copper. -Replace two (2) TXV valves, flush lines with RX-11 and evacuate to 400 microns. -Re-Insulate all exterior piping with ¾” rubbertex and coat with UV paint. -Isolate refrigerant line set and evaporator coil. Pressurize with 150 lbs. of nitrogen for 48 hours. -Replace electrical wire, seal tight and fuses from electrical disconnect box. -Route low voltage wire in ½” EMT conduit including flex in unit. -Chemically clean evaporator coil, blower wheels and drain pan. -Verify no leaks in system prior to installing new equipment. -Program thermostat and verify staging of compressors.