Siemens SINAMICS S120 Manual page 12

Table of contents
6.4.2 Electrical interfaces .............................................................................................................. 209
6.4.2.1 General information ............................................................................................................. 209
6.4.2.2 Overview of the electrical interfaces .................................................................................... 210
6.4.2.3 X1 - power supply ................................................................................................................ 211
6.4.2.4 X6 - external 24 V DC power supply .................................................................................... 211
6.4.3 Interfaces in the cooling circuit ............................................................................................. 213
6.4.3.1 Flow diagram of the cooling circuit ....................................................................................... 213
6.4.3.2 Layout of the components .................................................................................................... 214
6.4.4 Coolant connections ............................................................................................................ 216
6.4.4.1 Overview of connections ...................................................................................................... 216
6.4.4.2 Connection of the converter-side deionized water circuit .................................................... 217
6.4.4.3 Connection of the plant-side raw water circuit ..................................................................... 218
6.4.5 Options ................................................................................................................................. 219
6.4.6 Technical data ...................................................................................................................... 220
6.5 Auxiliary Power Supply Modules .......................................................................................... 224
6.5.1 Description ........................................................................................................................... 224
6.5.2 Fuse switch disconnector (-Q1) ........................................................................................... 229
6.5.3 Transformer (-T2) for generating the auxiliary voltage 230 V AC ........................................ 229
6.5.4 Auxiliary power supply system ............................................................................................. 230
6.5.5 Customer interfaces for supplying power to an additional auxiliary power supply
system .................................................................................................................................. 230
6.5.6 Options ................................................................................................................................. 232
6.5.7 Technical data ...................................................................................................................... 233
7 Maintenance and servicing .................................................................................................................... 235
7.1 Chapter content.................................................................................................................... 235
7.2 Cleaning the cabinet ............................................................................................................ 236
7.3 Servicing the cabinet ............................................................................................................ 236
7.4 Maintaining the cooling circuit .............................................................................................. 238
7.4.1 General information ............................................................................................................. 238
7.4.2 Maintenance of the coolant .................................................................................................. 239
7.4.3 Maintaining the filter (seated at an inclination) .................................................................... 239
7.4.4 Maintenance of the cooling hoses ....................................................................................... 241
7.4.5 Maintenance of the pumps ................................................................................................... 241
7.4.6 Maintaining the fan of the internal heat exchanger .............................................................. 242
7.4.7 Maintenance intervals .......................................................................................................... 242
7.4.8 Replacing the fan of the internal heat exchanger ................................................................ 242
7.5 Replacing components ........................................................................................................ 245
7.5.1 General information ............................................................................................................. 245
7.5.2 Safety information ................................................................................................................ 246
7.5.3 Messages after replacement of DRIVE-CLiQ components ................................................. 246
7.5.4 Mounting equipment for power units .................................................................................... 247
7.5.5 Replacing the filter mats ...................................................................................................... 248
7.5.6 Replacing power units .......................................................................................................... 249
7.5.7 Replacing the power unit ..................................................................................................... 251
7.5.8 Replacing the Control Interface Module .............................................................................. 254
7.5.8.1 Replacing the Control Interface Module, Motor Module, frame size FXL ............................ 254
7.5.8.2 Replacing the Control Interface Module, Active Line Module and Motor Module, frame
size GXL ............................................................................................................................... 257
10
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A