
POSTPONED: Basic Refrigeration Cycle with Heat Pumps—Altoona
Course Overview: This course includes an overview of the basic refrigeration cycle. Pressure temperature relationships are used to demonstrate the concepts of superheat and sub-cooling. The instructor will cover an explanation of temperatures and pressures of a normally operating system to build a base for troubleshooting. Trainer: Mark Elmer, APR Supply Co. Please note: Beginning fall …





