28 Product Manual PM WSC/WDC
Chiller Identification
To provide a wide range of components to match job requirements of capacity, efficiency and competitive initial
cost, McQuay WSC and WDC centrifugal chillers are selected by computer and identified by their components.
The variations of compressor, impeller, gear ratio, evaporator and condenser tube surface and configuration
provide over 1,000,000 combinations of standard components within the range of 70 to 2,500 tons. It is
impractical to catalog all of these combinations. Therefore, computer selection for specific application
conditions is required. The complete unit model code is then established as follows: