Danfoss Turbocor VTT Series Service Manual page 4

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M-SV-VT-001-EN Rev. A
Table of Contents
3.2.8.1 Removal and Installation ........................................................................................................................................47
3.2.8.2 Verification....................................................................................................................................................................48
3.2.8.3 Running Check ............................................................................................................................................................48
3.2.9 Motor Cooling Exit Flange ................................................................................................................................................48
3.2.9.1 Removal and Installation ........................................................................................................................................50
3.2.9.2 Torque Specifications ...............................................................................................................................................50
3.2.10 Bottom Plug .........................................................................................................................................................................51
3.2.10.1 Removal and Installation ......................................................................................................................................51
3.2.10.2 Torque Specifications .............................................................................................................................................51
3.3 Power Side ........................................................................................................................................................................................52
3.3.1 Motor Power Cover ..............................................................................................................................................................52
3.3.1.1 Removal and Installation ........................................................................................................................................53
3.3.1.2 Torque Specifications ...............................................................................................................................................53
3.3.2 Mains Input Bracket.............................................................................................................................................................53
3.3.2.1 Removal and Installation ........................................................................................................................................54
3.3.2.2 Torque Specifications ...............................................................................................................................................54
3.3.3 Motor Terminal Block ..........................................................................................................................................................55
3.3.3.1 Removal and Installation ........................................................................................................................................56
3.3.3.2 Verification....................................................................................................................................................................56
3.3.3.3 Torque Specifications ...............................................................................................................................................57
3.3.4 Tower Plate .............................................................................................................................................................................58
3.3.4.1 Removal and Installation ........................................................................................................................................58
3.3.4.2 Torque Specifications ...............................................................................................................................................59
3.3.5 Motor Power Feed Through..............................................................................................................................................59
3.3.5.1 Removal and Installation ........................................................................................................................................60
3.3.5.2 Verification....................................................................................................................................................................62
3.3.5.3 Torque Specifications ...............................................................................................................................................62
3.3.6 Motor ........................................................................................................................................................................................62
3.3.6.1 Connections .................................................................................................................................................................63
3.3.6.2 Motor Verification ......................................................................................................................................................63
3.4 Service Side.......................................................................................................................................................................................69
3.4.1 Service Side Cover................................................................................................................................................................69
3.4.1.1 Removal and Installation ........................................................................................................................................69
3.4.1.2 Torque Specifications ...............................................................................................................................................69
3.5.1 Front Bearing Power and Sensor Feed Throughs .....................................................................................................70
3.5.1.1 Removal and Installation ........................................................................................................................................70
3.6.1 Rear Bearing Power and Sensor Feed Throughs .......................................................................................................70
3.6.1.1 Removal and Installation ........................................................................................................................................71
3.7.1 VTT Service Electronics Assembly ..................................................................................................................................72
3.7.1.1 Removal and Installation ........................................................................................................................................73
3.7.1.2 CCM .................................................................................................................................................................................74
3.7.1.2.1 CCM Function................................................................................................................................................... 74
3.7.1.2.2 CCM Connections ........................................................................................................................................... 76
3.7.1.3 CCM-CIM 24V Cable ..................................................................................................................................................77
3.7.1.3.1 Removal and Installation ............................................................................................................................. 77
3.7.1.3.2 24 VDC CCM-CIM Cable Verification ........................................................................................................ 78
3.7.1.4 DC-DC-CCM 24V Cable.............................................................................................................................................78
3.7.1.4.1 Removal and Installation ............................................................................................................................. 79
3.7.1.4.2 DC-DC-CIM 24V Cable Verification ........................................................................................................... 81
3.7.1.5 CCM-CIM Cable ...........................................................................................................................................................81
3.7.1.5.1 Removal and Installation ............................................................................................................................. 81
3.7.1.5.2 CCM-CIM Cable Verification ........................................................................................................................ 83
3.7.1.6 CCM-VFD Cable...........................................................................................................................................................83
3.7.1.6.1 Removal and Installation ............................................................................................................................. 83
3.7.1.6.2 CCM-VFD Cable Verification ........................................................................................................................ 85
3.7.1.7 Front Bearing Sensor Cable ....................................................................................................................................85
3.7.1.7.1 Removal and Installation ............................................................................................................................. 85
3.7.1.7.2 Front Bearing Sensor Cable Verification ................................................................................................. 86
3.7.1.8 Rear Bearing Sensor Cable .....................................................................................................................................87
3.7.1.8.1 Removal and Installation ............................................................................................................................. 88
3.7.1.8.2 Rear Bearing Sensor Cable Verification ................................................................................................... 89
3.7.1.9 Motor Temperature Sensor Cable ........................................................................................................................90
3.7.1.9.1 Removal and Installation ............................................................................................................................. 90
3.7.1.9.2 Motor Temperature Sensor Cable Verification ..................................................................................... 91