P-9 Mechanical Refrigeration

P-9 Mechanical Refrigeration


MECHANICAL REFRIGERATION (48 pages with 30 photographs, drawings, and examples) This manual includes a description of refrigeration systems, the principles of refrigeration, and procedures to operate and troubleshoot refrigeration systems. Both Metric and English units of measurement are used so students can work in units with which they are familiar.

Covered Subjects:

  • Flow diagram of typical refrigeration systems
  • Description of each major component in the refrigeration system
  • Principles of refrigeration; heat of vaporization, vapor pressure, pressure reduction, vaporization, heat transfer in the chiller, and compressor power
  • Vapor pressure graphs for propane refrigerant and their application in determining operating pressures
  • Graphs for determining the vaporization and temperature drop in expansion valves
  • Operation and control of refrigeration systems
  • Procedures for start-up, shutdown and troubleshooting common operating problems

Questions and problems are included throughout the text with answers in the back that allow students to check their understanding of the subject.

Estimated self-study time: 9 hours

Add To Cart
P-9 Mechanical Refigeration - Knowledge Validation Test CD

The P-9 Knowledge Validation Test CD, is a CD disc that has all of the photographs, diagrams, illustrations and examples as printed in the P-9  training manual combined in a .pdf file.

Answers to both SI and USCS unit validation test questions in the manual are included along with scoring information. Multiple Knowledge Validation Test CD orders will be combined onto a single disc.

An experienced PLP instructor can travel to your site to lead a classroom training program. Contact PLP for more information.

Add To Cart