Trane RTAA air cooled chillers range from 70 tons to 400 tons. This unit comes with a variety of condenser coils depending on the size. These are tube and fin coils that range from 3 to 4 rows of tubing

Model numbers consist of:

RTAA070 = 70 Ton Air-Cooled (RTAA-070)
RTAA080 = 80 Ton Air-Cooled (RTAA-080)
RTAA090 = 90 Ton Air-Cooled (RTAA-090)
RTAA100 = 100 Ton Air-Cooled (RTAA-100)
RTAA110 = 110 Ton Air-Cooled (RTAA-110)
RTAA125 = 125 Ton Air-Cooled (RTAA-125)

RTAA130 = 130 Ton Air-Cooled (RTAA-130)
RTAA140 = 140 Ton Air-Cooled (RTAA-140)
RTAA155 = 155 Ton Air-Cooled (RTAA-155)
RTAA170 = 170 Ton Air-Cooled (RTAA-170)
RTAA185 = 185 Ton Air-Cooled (RTAA-185)
RTAA200 = 200 Ton Air-Cooled (RTAA-200)
RTAA215 = 215 Ton Air-Cooled (RTAA-215)
RTAA270 = 270 Ton Air-Cooled (RTAA-270)

RTAA300 = 300 Ton Air-Cooled (RTAA-300)
RTAA340 = 340 Ton Air-Cooled (RTAA-340)
RTAA370 = 370 Ton Air-Cooled (RTAA-370)
RTAA400 = 400 Ton Air-Cooled (RTAA-400)