5 of 165
M-SV-VT-001-EN Rev. A
Table of Contents
3.7.1.10 PWM .............................................................................................................................................................................91
3.7.1.10.1 PWM Connections ....................................................................................................................................... 93
3.7.1.11 250V DC-DC PWM Cable .......................................................................................................................................93
3.7.1.11.1 Removal and Installation ........................................................................................................................... 93
3.7.1.11.2 Verication ...................................................................................................................................................... 96
3.7.1.11.3 Torque Specications .................................................................................................................................. 98
3.7.1.12 Stator Temperature Sensor Feed Through .....................................................................................................99
3.7.1.12.1 Removal and Installation ........................................................................................................................... 99
3.7.1.12.2 Stator Temperature Sensor Verication .............................................................................................100
3.7.1.12.3 Torque Specications ................................................................................................................................101
3.7.1.13 High and Low Pressure Temperature Sensors ............................................................................................101
3.7.1.13.1 Removal and Installation .........................................................................................................................102
3.7.1.13.2 Temperature/Pressure Sensor Verication ........................................................................................ 103
3.7.2 Internal Components .......................................................................................................................................................104
3.7.2.1 Front Bearings ..........................................................................................................................................................104
3.7.2.1.1 Verication ...................................................................................................................................................... 118
3.7.2.2 Front Twin Bearing Assembly ............................................................................................................................. 119
3.7.2.2.1 Removal and Installation ...........................................................................................................................119
3.7.2.2 Rear Bearings...................................................................................................................................................................121
3.7.2.2.1 Bearing Verication ......................................................................................................................................130
3.7.2.2.2 Stator Temperature Verication ..............................................................................................................130
3.7.2.2.3 Torque Specications .................................................................................................................................. 131
Variable Frequency Drive Components ....................................................................................... 133
4.1 VFD Modules .................................................................................................................................................................................133
4.2 VFD Control Card .........................................................................................................................................................................133
4.2.1 VFD Card Connections.....................................................................................................................................................134
4.2.2 Removal and Installation ................................................................................................................................................135
4.2.3 VFD Control Card Verication ....................................................................................................................................... 135
4.2.4 Torque Specications .......................................................................................................................................................135
4.3 VFD Orice .....................................................................................................................................................................................136
4.3.1 VFD Orice Specications ..............................................................................................................................................136
4.4 VFD Valve ........................................................................................................................................................................................ 137
4.4.1 VFD Valve Specications ................................................................................................................................................. 137
4.5 VFD Pressure Control Valve Cable ..........................................................................................................................................138
4.5.1 VFD Pressure Control Valve Pin Connections .......................................................................................................... 138
4.5.2 VFD Pressure Control Valve Removal and Installation ......................................................................................... 139
4.6 VFD DC-DC Cable .........................................................................................................................................................................140
4.6.1 Removal and Installation ................................................................................................................................................140
4.6.2 VFD DC-DC Cable Verication .......................................................................................................................................142
4.6.3 Torque Specications .......................................................................................................................................................142
OEM Module Components ............................................................................................................ 143
5.1 DC-DC Module ..............................................................................................................................................................................143
5.1.1 DC-DC Connections .........................................................................................................................................................144
5.1.2 Removal and Installation ................................................................................................................................................144
5.1.2.1 Fan Removal and Installation .............................................................................................................................147
5.1.3 DC-DC Verication ............................................................................................................................................................147
5.1.4 Torque Specications .......................................................................................................................................................148
6.1 Compressor Interface Module (CIM).....................................................................................................................................149
6.1.1 CIM Verication .................................................................................................................................................................. 151
6.1.2 Removal and Installation ................................................................................................................................................151
6.1.3 Torque Specications .......................................................................................................................................................151
Compressor Removal and Installation ......................................................................................... 153
7.1 Refrigerant Containment ..........................................................................................................................................................153
7.2 Compressor Removal ................................................................................................................................................................. 153
7.3 Compressor Installation ............................................................................................................................................................ 155
7.3.1 Torque Specications .......................................................................................................................................................157
Appendix A: Acronyms .................................................................................................................. 159
Appendix B: Special Tooling Specications................................................................................. 161
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