General precautions.....................................................................................................................................................49
Requirements................................................................................................................................................................49
Cables.............................................................................................................................................................................49
Earthing (Grounding).................................................................................................................................................50
Connect the cables.......................................................................................................................................................50
Power cable phase sequence.......................................................................................................................................51
MAS sensor connections............................................................................................................................................53
CAS or MAS 711 + MRM-01 sensor connections.................................................................................................55
Cable charts...................................................................................................................................................................58
Prepare the medium-voltage cable............................................................................................................................66
Precautions.......................................................................................................................................................................79
Noise level........................................................................................................................................................................79
Start the pump.................................................................................................................................................................79
Modifications for freezing conditions..........................................................................................................................80
Precautions.......................................................................................................................................................................81
Service...............................................................................................................................................................................81
Inspection......................................................................................................................................................................82
Major overhaul..............................................................................................................................................................83
Check the junction box insulation, up to 1.1 kV drives............................................................................................84
Check the junction box insulation, 1.2-6.6 kV drives................................................................................................84
Check the temperature sensors.....................................................................................................................................84
Check the leakage sensors..............................................................................................................................................85
Empty the coolant (integrated cooling).......................................................................................................................85
Empty the coolant (external cooling)...........................................................................................................................86
Oil change.........................................................................................................................................................................87
Horizontal lifting.............................................................................................................................................................89
Replace the wear parts....................................................................................................................................................90
Replace the pump housing wear ring........................................................................................................................90
Replace the impeller wear ring...................................................................................................................................91
Remove the impeller....................................................................................................................................................92
Remove the locking assembly....................................................................................................................................94
Install the impeller.......................................................................................................................................................97
Install the locking assembly........................................................................................................................................97
Sequence for tightening or loosening locking assembly bolts..............................................................................99
Torque values.................................................................................................................................................................101
Tools................................................................................................................................................................................102
Technical Reference.....................................................................................................................................................105
Product overview..........................................................................................................................................................105
Materials..........................................................................................................................................................................105
Mounting-related data..................................................................................................................................................107
Drive units......................................................................................................................................................................108
Operational data............................................................................................................................................................110
Application limits.......................................................................................................................................................110
Motor Data.................................................................................................................................................................111
Monitoring with MAS...............................................................................................................................................111
Table of Contents
2
C3300/6x5, C/R3231, C3240, C3306, C3312, C3351, C3356, C3400, C3501, C3531, C3602, C3800 Installation,
Operation and Maintenance Manual