KE2 Therm Education & Training

Part of our commitment to our customers, and the industry, is to provide education and training materials that explain the concepts and theories that are the foundation of modern refrigeration. We believe that understanding the basics is essential to effectively implementing today’s technical products.

Today’s Technology – Ideal service tool for refrigeration applications // W.9.6

Over the last few decades, we have witnessed monumental changes in the world of technology and how it affects our everyday life. Email, texting and social networks

Basic Thermodynamics For Refrigeration and Air Conditioning – Part 1 // W.9.1

Introduction Thermodynamics, as with most concepts in science and physics, is most accurately described using mathematical equations. However, simple explanations, although not perfectly accurate, are sufficient to convey

Refrigeration Past, Present and Future // W.9.5

No one has a crystal ball to predict the future but considering history and current needs of the market allow some predictions with reasonable certainty. Past

More Fans or Fewer? // W.2.1

More and more often, Variable Frequency Drives (VFDs) are used for control of fans and compressors in HVACR systems. The benefits are well documented and

Understanding Ethernet – Cabling // W.5.3

Network Media – Cable The network media is part of the physical layer of a LAN network as defined by the OSI Open Systems Protocol

Understanding Ethernet Communication – Protocols // W.5.4

Protocols All of us are familiar with protocols for human communication, society’s rules about appearance, speaking, listening and understanding. These rules govern different layers of

Understanding Ethernet Communication – Glossary // W.5.5

# 10Base2 10Base5 10BaseF 10BaseT # 10Base2 Ethernet specification for thin coaxial cable, transmits signals at 10 Mbps (megabits per second). Maximum distance of 185

Understanding Ethernet – Topologies // W.5.2

Introduction Communications is one of the most dynamically changing industries. We are surrounded by continually evolving, state-of the-art technology (wifi, smart phones, satellite TV, GPS)

Understanding Ethernet Communication – Networks // W.5.1

Networks The underlying structure of communications is a network. A network consists of two or more computers that are linked together to provide shared access

Frost and Defrost: How it happens and why it is needed // W.1.1

Refrigeration is used to assure proper storage temperature of food products. This is most often accomplished by using the vapor compression cycle. In this technique,

Electricity 101 // W.9.4

Introduction Traditional forms of power include muscle (human and animal) wind, water and steam. However, our modern world is based on the availability of electricity to power

Basic Thermodynamics For Refrigeration and Air Conditioning – Part 2 // W.9.2

This simple system shows the application of the Second Law. The compressor A adds energy to the refrigerant, and it becomes hot, just the way a hand

Basic Superheat, Saturation and Subcooling // W.9.3

An appreciation of the terms superheat and saturation is the key to understanding and troubleshooting air conditioning and refrigeration systems. Illustrations in this document show closed vessels for

Welcome To KE2 Therm Video Series

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