List of Tables ..........................................................................................................................................8

List of Figures ........................................................................................................................................9

Proprietary Notice ..............................................................................................................................11

Introduction ........................................................................................................................................13

1.1 Purpose ................................................................................................................................................................................................13

1.2 Organization.......................................................................................................................................................................................13

1.3 Commitment to Quality .................................................................................................................................................................14

1.4 Safety Summary ................................................................................................................................................................................14

1.4.1 Danger Notification ...............................................................................................................................................................14

1.4.2 Caution Notification ..............................................................................................................................................................14

1.4.3 Note.............................................................................................................................................................................................14

1.5 Precautions .........................................................................................................................................................................................14

1.6 Refrigerant Type ................................................................................................................................................................................15

1.6.1 R134a/R513A ...........................................................................................................................................................................15

1.6.2 R1234ze .....................................................................................................................................................................................15

1.7 Electrical Isolation of the Compressor ......................................................................................................................................15

1.8 Handling Electronic Static Devices ............................................................................................................................................16

1.8.1 ESD Protection/Grounding .................................................................................................................................................16

1.9 DC Bus Test Harness Installation and Removal ......................................................................................................................18

1.9.1 Installation of the DC Bus Test Harness ..........................................................................................................................19

1.9.2 DC Bus Test Harness Use ......................................................................................................................................................21

1.9.3 Removal of the DC Bus Test Harness ...............................................................................................................................21

Compressor Fundamentals ................................................................................................................22

2.1 Main Fluid Path ..................................................................................................................................................................................22

2.2 Motor and Power Electronics Cooling ......................................................................................................................................22

2.3 Capacity Control ...............................................................................................................................................................................26

2.4 Compressor Energy and Signal Flow .........................................................................................................................................26

Compressor Components ..................................................................................................................29

3.1 Component Identification .............................................................................................................................................................29

3.2 Compressor - Removal and Installation ...................................................................................................................................34

3.2 .1 Refrigerant Containment ...................................................................................................................................................34

3.2.2 Compressor - Removal .........................................................................................................................................................34

3.2.3 Compressor - Installation ....................................................................................................................................................34

3.3 3-Phase Main Voltage Input Terminal Block............................................................................................................................37

3.3.1 Function .....................................................................................................................................................................................37

3.3.2 Connections .............................................................................................................................................................................37

3.3.3 Verification ................................................................................................................................................................................38

3.3.4 Removal and Installation .....................................................................................................................................................39

3.4 Soft Start Board .................................................................................................................................................................................41

3.4.1 Function .....................................................................................................................................................................................41

3.4.2 Connections .............................................................................................................................................................................42

3.4.3 Verification ................................................................................................................................................................................42

3.4.4 Removal and Installation .....................................................................................................................................................43

3.5 Silicon-Controlled Rectifier ...........................................................................................................................................................44

3.5.1 Function .....................................................................................................................................................................................44

3.5.2 Connections .............................................................................................................................................................................44

3.5.3 Verification ................................................................................................................................................................................44

3.5.4 Removal and Installation .....................................................................................................................................................46

3.6 DC Bus ..................................................................................................................................................................................................48

3.6.1 Function .....................................................................................................................................................................................48

3.6.2 Connections .............................................................................................................................................................................49

3.6.3 Verification ................................................................................................................................................................................49

3.6.4 Removal and Installation .....................................................................................................................................................49

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