Installed new evaporator coil for the downstairs system. Installed new primary drain pan. Installed new filter drier in attic. Added safety float switch to secondary drain. Pressure tested system with nitrogen and pulled vacuum. Cleared primary drain with CO2 and primed trap with water. Weighed in factory charge of R-410A refrigerant and charged to 13 subcooling per manufacturer specification. Tested operation of system. Everything is working at completion of service.