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M-SV-001-EN Rev.E
Table of Contents ..................................................................................................................................5
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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