This document provides information on a Bitzer semi-hermetic, two-stage piston compressor condensing unit. It includes specifications for models ranging from 5 to 30 horsepower that can operate with R404A or R22 refrigerants and work between temperature ranges of -25属C to -40属C. The document lists the main components, provides a nomenclature guide, and specifications including capacity, power input, condenser details, pipe sizes, and overall unit dimensions.