Training Workbooks en español (coming soon)
SERIES I
Each module takes a step-by-step approach to fundamental ammonia refrigeration principles, applications, and components.
Non-Member: $640
Member: $320
This module examines applications of ammonia in the refrigeration industry. It review the molecular structure and basic chemical properties of ammonia, including an explanation of change of state and heat transfer process. In addition, this module explores the relationship between temperature and pressure.
Non-Member: $80
Member: $40
This module examines the major components that make up ammonia refrigeration systems, including direct expansion, recirculating, and indirect systems. This module also explores the role of pressure reduction devices in the system.
Non-Member: $80
Member: $40
This module explores the inner workings of air units and liquid chillers, including shell & tube and plate & frame evaporators. It examines evaporator capacity and factors that impact evaporator operation. It also explores the pressure of the ammonia as it flows through the evaporator and the temperature difference between the liquid ammonia and the air, or secondary coolant, being cooled.
Non-Member: $80
Member: $40
This Module examines the operation of compressors commonly used in the ammonia refrigeration industry: the reciprocating compressor, the rotary vane compressor and the screw compressor. This module also discusses volumetric efficiency, swept volume and compression ratio.
Non-Member: $80
Member: $40
This Module explores air-cooled condensers, water-cooled condensers and evaporative condensers. It also outlines the factors that may impact a condenser’s efficiency and heat-transfer capability including the surface are of the heat transfer material, the conductive capability of the heat transfer surface, the difference in temperature between the cooling agent and the ammonia vapor and the rate and direction of flow of both the ammonia and cooling agent.
Non-Member: $80
Member: $40
This modules focuses on the use of shut-off valves in the ammonia refrigeration system. It describes various types of shut-off valves commonly in use. It also identifies the parts of a standard shut-off valve, provides installation guidance, including valve orientation and outlines standard maintenance procedures.
Non-Member: $80
Member: $40
This module focuses on the characteristics of control valves in ammonia refrigeration systems. The video focuses primarily on solenoid valves and pressure regulators. It also identifies the principles of operation of direct and pilotoperated control valves. Finally, it examines the various types of control valves that are commonly employed as well as their components.
Non-Member: $80
Member: $40
This module explores how pumps are used to move ammonia through a refrigeration system. It explores positive displacement and centrifugal pumps, pump components, problems associated with pumps including cavitation and the role of pumps in a liquid recirculation refrigeration system.
Non-Member: $80
Member: $40