8-19-25 School main office thermostat Removed the existing DC processing trane programmable thermostat. Then install Aprilair 8600 thermostat. Change the wiring at the rooftop unit from DC to the 24 V standard connections Programs the new thermostat for occupied and unoccupied. two stage cooling, two stage heat Cycle the system through the heating cooling and hot gas Quote to replace the Trane d/c volt thermostat in the school entry area. Price includes a 24 volt a/c programmable touchscreen thermostat with auto change over, key pad lockout, low volt wiring changes at the unit and labor. Thermostat covered by a 5 year parts warranty, labor covered by one year.