3 air-cooled split systems-standard features, 1 centrifugal fan, condensing unit, 2 propeller fan condensing unit – Emerson Liebert Challenger ITR User Manual
Page 20: Figure 6 outdoor propeller fan condensing unit, 3 propeller fan condensing unit options, 4 air-cooled split systems-optional features, Air-cooled split systems—standard features, Centrifugal fan, condensing unit, Propeller fan condensing unit, Propeller fan condensing unit options
