Siemens SINAMICS S120 Manual page 25

12.12 Power losses of the components .......................................................................................... 756
12.12.1 General information .............................................................................................................. 756
12.12.2 Power loss for Control Units, Sensor Modules, and other system components................... 756
12.12.3 Power loss for line filters and line reactors ........................................................................... 757
12.12.4 Power loss for power units with internal air cooling .............................................................. 758
12.12.5 Power loss for power units with external air cooling ............................................................. 760
12.12.6 Power loss for power units with cold plate ............................................................................ 761
12.12.7 Power loss for liquid-cooled power units .............................................................................. 762
12.12.8 Electronics losses of power units .......................................................................................... 763
12.12.9 Maximum power losses in the partial load range ................................................................. 765
12.12.10 Typical power losses for Motor Modules .............................................................................. 768
13 Cooling circuit and coolant properties .................................................................................................. 771
13.1 Cooling circuit requirements ................................................................................................. 771
13.1.1 Technical cooling circuits ...................................................................................................... 771
13.1.2 Cooling system requirements ............................................................................................... 772
13.1.3 Cooling circuit configuration .................................................................................................. 773
13.1.4 Installation ............................................................................................................................. 776
13.1.5 Preventing cavitation............................................................................................................. 777
13.1.6 Commissioning ..................................................................................................................... 778
13.2 Coolant requirements............................................................................................................ 778
13.2.1 Coolant properties ................................................................................................................. 778
13.2.2 Corrosion Inhibitor Additive (Inhibiting) ................................................................................. 780
13.2.3 Anti-Freeze Additive .............................................................................................................. 780
13.2.4 Biocide additives (only if required) ........................................................................................ 781
13.3 Anti-condensation measures ................................................................................................ 782
13.4 Equipotential bonding in the cooling system ........................................................................ 783
13.5 Using heat exchangers ......................................................................................................... 783
13.5.1 Water-to-water heat exchanger ............................................................................................ 783
13.5.2 Air-to-water heat exchanger ................................................................................................. 784
13.5.3 Active cooling unit ................................................................................................................. 785
14 Service and Support Booksize ............................................................................................................ 787
14.1 Replacing the fan .................................................................................................................. 787
14.1.1 Safety instructions when replacing a fan .............................................................................. 787
14.1.2 Replacing the fan for components with internal and external air cooling ............................. 788
14.1.3 Replacing the fan on an Active Interface Module ................................................................. 790
14.1.4 Replacing the fan on the Control Supply Module ................................................................. 794
14.1.5 Replacing the fan on the 100 kW Basic Line Module for capacitor cooling .......................... 796
14.1.6 Replacing the fan for Booksize Compact components ......................................................... 799
14.2 Forming the DC link capacitors ............................................................................................. 801
14.3 Recycling and disposal ......................................................................................................... 807
A Appendix............................................................................................................................................. 809
A.1 List of abbreviations .............................................................................................................. 809
A.2 Documentation overview ...................................................................................................... 819
Index................................................................................................................................................... 821
Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
Table of contents
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