Installed new Carrier 3-ton heat pump system. Installed new Ecobee Pro thermostat. Rebuilt and insulated condensate drain line. Added SS2 and SS3 safety float switches. Replaced secondary drain pan. Installed new filter dryer, pressure tested with dry nitrogen and pulled a vacuum on the copper line set. Replaced the disconnect and ran the low voltage in Seal-Tite. Replaced both supply and return plenums and sealed with mastic airlock. Charged system to factory spec. System is working properly at time of departure.