Siemens SINAMICS S120 Combi Equipment Manual page 19

12.8 Protective connection and equipotential bonding ................................................................. 308
12.9 Note on control cabinet cooling ............................................................................................ 310
12.9.1 General information .............................................................................................................. 310
12.9.2 Ventilation ............................................................................................................................. 313
12.9.3 Dimensioning Climate Control Equipment ............................................................................ 315
12.9.4 Power loss of components in rated operation ...................................................................... 316
12.9.4.1 General information .............................................................................................................. 316
12.9.4.2 Power losses for SINUMERIK control systems, DC link components and
supplementary system components ..................................................................................... 316
12.9.4.3 Power losses for S120 Combi Power Modules .................................................................... 317
12.9.4.4 Power loss for line filters and line reactors ........................................................................... 317
12.9.4.5 Electronics losses of power units .......................................................................................... 318
12.9.4.6 Losses in partial-load operation ............................................................................................ 319
13 Service and maintenance .................................................................................................................... 321
13.1 Spare parts ........................................................................................................................... 321
13.2 Replacing the fan .................................................................................................................. 322
13.2.1 Safety instructions when replacing a fan .............................................................................. 322
13.2.2 Replacing the Internal fan on the S120 Combi Power Module ............................................. 322
13.2.3 Replacing the fan on the Motor Modules Booksize Compact ............................................... 325
13.2.4 Replacing the fan on the Control Supply Module ................................................................. 328
13.3 Cleaning the S120 Combi heat sink ..................................................................................... 331
13.4 Forming the DC link capacitors ............................................................................................. 334
13.5 Recycling and disposal ......................................................................................................... 335
A Appendix............................................................................................................................................. 337
A.1 List of abbreviations .............................................................................................................. 337
A.2 Documentation overview ...................................................................................................... 347
Index................................................................................................................................................... 349
SINAMICS S120 Combi
Manual, (GH9), 07/2016, 6SL3097-4AV00-0BP5
Table of contents
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