Air Conditioning and Refrigeration

This comprehensive videotape-based training program is part of the Introduction to Air Conditioning and Refrigeration library which consists of 8 modules (8 videotapes) that train how to understand, maintain, test, and troubleshoot air conditioning and refrigeration systems.

Audience: This program is excellent for the training of maintenance mechanics and electricians as well as multi-craft training needs.

Introduction to Air Conditioning and Refrigeration





Topics:

  • Refrigeration
  • Heat Transfer
  • Phase Changes
  • Condensation and Expansion
  • Refrigerant Tables
  • Review

Vapor Compression Cycle Designs and Refrigerants


Topics:

  • Evaporator Operation
  • Reciprocating Compressor Operation
  • Centrifugal Compressor Operation
  • Condenser Operation
  • Metering Devices

Test and Maintenance Equipment


Topics:

  • Temperature Sensors
  • Pressure Gauges
  • Gauge Manifold
  • Leak Detecting Procedures
  • Using Leak Detectors
  • Vacuum Pumps and Vacuum Gauges

System Operation Checks


Topics:

  • General System Checks
  • Checking the Refrigerant Charge · Removing Oil
  • Testing Oil and Adding Oil
  • Checking the
  • Compressor Motor
  • System Start-Up

Pump Down, Evacuation, and Charging


Topics:

  • System Pump Down
  • System Evacuation
  • High-Side Charging
  • Low-Side Charging
  • Determining Proper Charge

Mechanical Troubleshooting


Topics:

  • Mechanical Troubleshooting
  • General Troubleshooting Approach
  • Short-Cycling
  • Restrictions in the Liquid Line
  • Insufficient Cooling
  • Condenser Operation
  • Heat Transfer
  • Filter Drier

Electrical Controls and Circuits


Topics:

  • Cycle Controls
  • Pump Down Cycle
  • Safety Controls
  • Safety Control Circuits
  • Interlocks
  • Interlocks in a Chiller System
  • Relays, Contactors, and Overload Protectors

Electrical Troubleshooting


Topics:

  • Introduction to Troubleshooting
  • Dividing and Checking Circuits
  • Troubleshooting a Motor Contactor Coil
  • Trouble-shooting a Control Circuit
  • Troubleshooting a Low Pressure SwITC Learning
  • Troubleshooting a Tripped Circuit Breaker
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