Uninstalled old unit and Installed new Rheem 14 Seer 5 Ton 3-phase 230 volt AC, Evaporator Coil, Rheem 1 phase 230 volt air handler (14 Seer up to 16 Seer). Added new Wifi Honeywell Programmable thermostat. Electrician to wire 3-phase AC 240 volt. Electrician to wire 1-phase air handler 240 volt. Returned to property after electrician completed wiring and turned unit on. all ok at this time.