
Table of contents
Chassis Power Units Liquid Cooled
X SINAMICS S120 Equipment Manual, Edition 12/2007, 6SL3097-2AM00-0BP4
8Cooling circuit and coolant properties..................................................................................................... 8-1
8.1 Cooling circuits ............................................................................................................................. 8-1
8.1.1 Cooling circuit for aluminum heatsink........................................................................................... 8-3
8.1.2 Cooling circuits for stainless steel heatsinks ................................................................................ 8-5
8.1.3 Prevention of cavitation ................................................................................................................ 8-6
8.1.4 Cooling circuit configuring information.......................................................................................... 8-7
8.1.5 Equipotential bonding ................................................................................................................. 8-12
8.2 Coolant definition........................................................................................................................ 8-13
8.2.1 Inhibitors, anti-freeze, biocides................................................................................................... 8-14
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
9Maintenance 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 Replacing the Control Interface Board, Power Module, frame size FL ........................................ 9-5
9.4.2 Replacing the Control Interface Board, Power Module, frame size GL........................................ 9-7
9.4.3 Replacing the Control Interface Board, Motor Module, frame size FXL....................................... 9-9
9.4.4 Replacing the Control Interface Board, Active Line Module and Motor Module, frame size GXL.... 9-11
9.4.5 Replacing the Control Interface Board, Active Line Module and Motor Module, frame size HXL .... 9-13
9.4.6 Replacing the Control Interface Board, Active Line Module and Motor Module, frame size JXL ..... 9-15
9.4.7 Replacing the Control Interface Board, Basic Line Module, frame size FBL ............................. 9-17
9.4.8 Replacing the Control Interface Board, Basic Line Module, frame size GBL............................. 9-19
9.4.9 Replacing the fan, Power Module, frame size FL....................................................................... 9-21
9.4.10 Replacing the fan, Power Module, frame size GL...................................................................... 9-23
9.4.11 Replacing the fan, Motor Module, frame size FXL ..................................................................... 9-25
9.4.12 Replacing the fan, Active Line Module and Motor Module, frame size GXL.............................. 9-27
9.4.13 Replacing the fan, Active Line Module and Motor Module, frame size HXL .............................. 9-29
9.4.14 Replacing the fan, Active Line Module and Motor Module, frame size JXL............................... 9-31
9.4.15 Replacing the fan, Basic Line Module, frame size FBL.............................................................. 9-33
9.4.16 Replacing the fan, Basic Line Module, frame size GBL ............................................................. 9-35
9.4.17 Replacing the fan, Active Interface Module, frame size GI ........................................................ 9-37
9.4.18 Replacing the fan, Active Interface Module, frame size HI......................................................... 9-39
9.4.19 Replacing the fan, Active Interface Module, frame size JI ......................................................... 9-41
9.4.20 Replacing the Power Supply Board, Power Module, frame size FL........................................... 9-43
9.4.21 Replacing the Power Supply Board, Power Module, frame size GL .......................................... 9-45
9.4.22 Replacing the Power Supply Board, Motor Module, frame size FXL ......................................... 9-47
9.4.23 Replacing the Power Supply Board, Active Line Module and Motor Module, frame size GXL.. 9-49
9.4.24 Replacing the Power Supply Board, Active Line Module and Motor Module, frame size HXL .. 9-51
9.4.25 Replacing the Power Supply Board, Active Line Module and Motor Module, frame size JXL... 9-53
9.4.26 Replacing the Power Supply Board, Basic Line Module, frame size FBL.................................. 9-55
9.4.27 Replacing the Power Supply Board, Basic Line Module, frame size GBL ................................. 9-57
9.5 Reforming the DC link capacitors ...............................................................................................9-59
10 List of Abbreviations ............................................................................................................................. 10-1
10.1 List of Abbreviations ................................................................................................................... 10-1