If you need Spanish-language refrigeration principles quickly, these are often easier to find legally:
: Specific coverage of electric motors and control circuits as they apply to refrigeration and AC systems. Amazon.com Accessing the PDF Principles of Refrigeration (5th Edition) - Amazon.com
: Includes specialized topics like electric motors, control circuits, and troubleshooting system malfunctions. Where to Find It (Spanish Edition)
: Puedes visualizar y descargar el PDF en español (aprox. 567 páginas) en Scribd - Principios de Refrigeración o mediante este enlace alternativo en Scribd .