Siemens SINAMICS S120 Manual page 10

Table of contents
3.3.3 Lifting the cabinet units off the transport pallet and installing them ....................................... 55
3.3.4 Disassembling the crane transport assembly ........................................................................ 56
3.3.5 Mechanical connection of the cabinet units ........................................................................... 58
3.3.5.1 Connecting the cooling circuit collecting pipes ...................................................................... 58
3.3.5.2 Connecting the cabinet units .................................................................................................. 61
3.3.5.3 Connection to the foundation ................................................................................................. 65
4 Electrical installation ................................................................................................................................ 67
4.1 Safety information .................................................................................................................. 67
4.2 Electrical installation: Checklist .............................................................................................. 68
4.3 EMC-compliant design ........................................................................................................... 73
4.4 Connecting shielded three-phase cables ............................................................................... 74
4.5 Connections ........................................................................................................................... 74
4.5.1 Cable lugs .............................................................................................................................. 74
4.5.2 Connection overview .............................................................................................................. 76
4.5.3 PE busbar .............................................................................................................................. 77
4.5.3.1 General information ............................................................................................................... 77
4.5.3.2 Connection for side-by-side installation of cabinet units ........................................................ 77
4.5.3.3 Connection according to the system-side grounding concept ............................................... 79
4.5.3.4 Connecting external cables to the PE busbar ........................................................................ 79
4.5.4 DC busbar .............................................................................................................................. 80
4.5.4.1 General information ............................................................................................................... 80
4.5.4.2 Removing the heat exchanger for degree of protection IP55 ................................................ 81
4.5.4.3 Connection for side-by-side installation of cabinet units ........................................................ 83
4.5.4.4 Connecting cabinet units with different numbers of DC busbars ........................................... 86
4.5.5 Auxiliary power supply system ............................................................................................... 87
4.5.5.1 General information ............................................................................................................... 87
4.5.5.2 Connection overview .............................................................................................................. 90
4.5.5.3 Connection for side-by-side installation of cabinet units ........................................................ 90
4.5.5.4 Connecting to the infeed ........................................................................................................ 91
4.5.6 Connecting the motor cables ................................................................................................. 91
4.5.7 Line supply connections ......................................................................................................... 94
4.5.8 Connecting Cabinet Modules to non-grounded line supplies (IT systems) ........................... 95
4.5.9 Signal connections ................................................................................................................. 98
4.5.10 Other connections .................................................................................................................. 98
4.5.11 Cable routing .......................................................................................................................... 99
4.5.11.1 General information ............................................................................................................... 99
4.5.11.2 Cable routing for Basic Line Connection Modules ............................................................... 100
4.5.11.3 Cable routing for Active Line Connection Modules .............................................................. 105
4.5.11.4 Cable routing for Motor Modules .......................................................................................... 110
4.5.11.5 Cable routing for Auxiliary Power Supply Modules .............................................................. 116
5 Commissioning the cooling circuit .......................................................................................................... 119
5.1 Checklist for commissioning the cooling circuit with Heat Exchanger Module .................... 119
5.2 Coolant for the raw water circuit on the plant side ............................................................... 120
5.2.1 Coolant properties ................................................................................................................ 120
5.3 Coolant for the internal deionized water circuit .................................................................... 122
5.3.1 Coolant properties ................................................................................................................ 122
5.3.2 Antifreeze, biocides, inhibitors ............................................................................................. 124
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Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A