Servicing 29
Introduction to Servicing 31
Think Safety... 31
Before Servicing 31
Servicing or Troubleshooting Water-utilizing Systems: Preventing Explosions 32
Troubleshooting Chart 34
Installation and Replacement 73
Compressor Tube Connections 74
Refrigerant Line Sizes 76
Service Valves 82
Processing the System 82
System Cleanup and Compressor Replacement After Compressor Failure 83
Replacing Compressors in Water-Utilizing Systems: Preventing Explosions 87
Operation 89
Control of Liquid Migration to the Compressor During Shutdown 90
Crankcase Heaters 93
Starting a System with Liquid Refrigerant in the Compressor 94
Control of Liquid Refrigerant Floodback to the Compressor During Operation 95
Accumulator Selection 98
Internal Pressure Relief Valves 99
Appendix 101
The Basic Refrigeration Cycle 102
Example of a Tecumseh Hermetic Compressor 104
Reciprocating Compressor 105
Capillary Tube Sizing 106
Approved Hermetic Compressor Oils 108
Notes 110
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