80
Replacing the external fan ......................................................................................................................... 121
Preparatory work................................................................................................................................... 121
Replacing the external fan .................................................................................................................... 121
And finally... .......................................................................................................................................... 126
Replacing the internal fan .......................................................................................................................... 127
Preparatory work................................................................................................................................... 127
Replacing the internal fan ..................................................................................................................... 127
And finally... .......................................................................................................................................... 128
Replacing the Datamanager card .............................................................................................................. 129
Preparatory work................................................................................................................................... 129
Replacing the Datamanager card ......................................................................................................... 129
And finally... .......................................................................................................................................... 129
Replacing the RECERBO display PC board.............................................................................................. 131
Replacing the RECERBO display PC board......................................................................................... 131
Replacing the PrimoFIL PC board ............................................................................................................. 133
Preparatory work................................................................................................................................... 133
Replacing the PrimoFIL PC board ........................................................................................................ 133
And finally... .......................................................................................................................................... 134
Replacing the PrimoPS power PC board................................................................................................... 136
Preparatory work................................................................................................................................... 136
Replacing the PrimoPS power PC board.............................................................................................. 136
And finally... .......................................................................................................................................... 139
Replacing other components ..................................................................................................................... 140
Replacing other components ................................................................................................................ 140
Safety Inspections 141
Safety Inspections...................................................................................................................................... 143
Safety inspection................................................................................................................................... 143
Responsibility........................................................................................................................................ 143
Area of application ................................................................................................................................ 143
Inspection staff qualifications................................................................................................................ 143
Measuring instruments.......................................................................................................................... 143
Visual inspections ...................................................................................................................................... 145
General ................................................................................................................................................. 145
Mains supply and connecting lines ....................................................................................................... 145
Housing and covers .............................................................................................................................. 145
Adjustment and display devices............................................................................................................ 145
Rating plate and warning stickers......................................................................................................... 145
Electrical tests............................................................................................................................................ 146
Insulation resistance ............................................................................................................................. 146
Ground conductor resistance................................................................................................................ 147
Ground conductor current..................................................................................................................... 148
Contact Current..................................................................................................................................... 150
Finally......................................................................................................................................................... 151
General ................................................................................................................................................. 151
Visual inspection................................................................................................................................... 151
Function tests............................................................................................................................................. 152
Function ................................................................................................................................................ 152
Grid on/off devices................................................................................................................................ 152
Indicators and control elements............................................................................................................ 152
Documentation........................................................................................................................................... 153
Documentation...................................................................................................................................... 153
Appendix 155
Spare parts list: Fronius Primo................................................................................................................... 156
Circuit diagrams: Fronius Primo................................................................................................................. 157
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