Table of contents
8
8.1
Cooling circuits ............................................................................................................................. 8-1
8.1.1
8.1.2
8.1.3
Prevention of cavitation ................................................................................................................ 8-6
8.1.4
8.1.5
Equipotential bonding ................................................................................................................. 8-12
8.2
Coolant definition ........................................................................................................................ 8-13
8.2.1
8.3
Materials ..................................................................................................................................... 8-16
8.4
Condensation protection............................................................................................................. 8-17
8.5
Degrees of protection ................................................................................................................. 8-17
8.6
Connection system ..................................................................................................................... 8-19
8.7
Commissioning, service.............................................................................................................. 8-19
9
Maintenance and servicing ..................................................................................................................... 9-1
9.1
Chapter content ............................................................................................................................ 9-1
9.2
Maintenance ................................................................................................................................. 9-2
9.2.1
Cleaning........................................................................................................................................ 9-2
9.3
Servicing ....................................................................................................................................... 9-3
9.4
Replacing components ................................................................................................................. 9-4
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.4.7
9.4.8
9.4.9
9.5
10
List of Abbreviations ............................................................................................................................. 10-1
10.1
List of Abbreviations ................................................................................................................... 10-1
X
SINAMICS S120 Equipment Manual, Edition 12/2007, 6SL3097-2AM00-0BP4
Chassis Power Units Liquid Cooled