Trane RAUJ remote chillers range from 20 tons to 120 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:

RAUJC20 = 20 Ton Air-Cooled (RAUJ-C20)
RAUJC25 = 25 Ton Air-Cooled (RAUJ-C25)
RAUJC30 = 30 Ton Air-Cooled (RAUJ-C30)
RAUJC40 = 40 Ton Air-Cooled (RAUJ-C40)
RAUJC50 = 50 Ton Air-Cooled (RAUJ-C50)
RAUJC60 = 60 Ton Air-Cooled (RAUJ-C60)

RAUJ-C80 = 80 Ton Air-Cooled (RAUJ-C80)
RAUJ-D10 = 100 Ton Air-Cooled (RAUJ-D10)
RAUJ-D12 = 120 Ton Air-Cooled (RAUJ-D12)