T6 Thermostat Completed full maintenance on a split system unit Checked all wiring and components Tested refrigerant levels and temperature Tested Capacitor Tested fan and compressor amps Took temperature splits from supply and return Tested blower wheel amps Tested float switch Vacuumed and flushed condensate line Unit is up and operating at this time. I installed a thermostat. Unit didn’t seem to be starting up and shutting off properly. After installation and programming the unit is starting up and shutting off properly and good to go.