† 6 to 15 ton 208/230V, 460v, 6 to 10 ton 575v-3-60, 1-speed † all 2-speed D = Standard Static High Efficiency Motor / Standard Drive † 20, 25, 30 ton all 3 phase E = High Static High Efficiency Motor / High Drive † 15 to 30 ton all 3 phase F = R-410A Fan Coil