Trane RAUC 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:

RAUCC20 = 20 Ton Air-Cooled (RAUC-C20)
RAUCC25 = 25 Ton Air-Cooled (RAUC-C25)
RAUCC30 = 30 Ton Air-Cooled (RAUC-C30)
RAUCC40 = 40 Ton Air-Cooled (RAUC-C40)
RAUCC50 = 50 Ton Air-Cooled (RAUC-C50)
RAUCC60 = 60 Ton Air-Cooled (RAUC-C60)

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