82
Replacing the DC disconnector ................................................................................................................. 121
Preparation ........................................................................................................................................... 121
Replacing the DC disconnector ............................................................................................................ 121
Final Tasks............................................................................................................................................ 123
Replacing the external fan ......................................................................................................................... 124
Preparation ........................................................................................................................................... 124
Replacing the external fan .................................................................................................................... 124
Final Tasks............................................................................................................................................ 129
Replacing the internal fan .......................................................................................................................... 130
Preparation ........................................................................................................................................... 130
Replacing the internal fan ..................................................................................................................... 130
Final Tasks............................................................................................................................................ 131
Replacing the Datamanager Card ............................................................................................................. 132
Preparation ........................................................................................................................................... 132
Replacing the Datamanager Card ........................................................................................................ 132
Final Tasks............................................................................................................................................ 132
Replacing the RECERBO display PC board.............................................................................................. 134
Replacing the RECERBO display PC board......................................................................................... 134
Replacing the PrimoFIL filter PC board ..................................................................................................... 136
Preparation ........................................................................................................................................... 136
Replacing the PrimoFIL filter PC board ................................................................................................ 136
Final Tasks............................................................................................................................................ 138
Replacing the PrimoPS power PC board................................................................................................... 139
Preparation ........................................................................................................................................... 139
Replacing the PrimoPS power PC board.............................................................................................. 139
Final Tasks............................................................................................................................................ 142
Replacing other components ..................................................................................................................... 143
Replacing other components ................................................................................................................ 143
Safety inspection 145
Safety inspection........................................................................................................................................ 147
Safety Inspection .................................................................................................................................. 147
Responsibility........................................................................................................................................ 147
Scope of Application ............................................................................................................................. 147
Qualification of the Inspection Personnel.............................................................................................. 147
Measuring Instruments ......................................................................................................................... 147
Visual inspection ........................................................................................................................................ 149
General ................................................................................................................................................. 149
Mains Power Supply and Connection Cables....................................................................................... 149
Housing and Covers ............................................................................................................................. 149
Adjustment and display devices............................................................................................................ 149
Rating Plate and Warning Stickers ....................................................................................................... 149
Electrical Tests........................................................................................................................................... 150
Insulation Resistance............................................................................................................................ 150
Ground conductor discharge................................................................................................................. 151
Ground conductor current..................................................................................................................... 152
Contact Current..................................................................................................................................... 154
Finally......................................................................................................................................................... 155
General ................................................................................................................................................. 155
Visual Inspection................................................................................................................................... 155
Functional tests.......................................................................................................................................... 156
Function ................................................................................................................................................ 156
Grid switch-on/off devices..................................................................................................................... 156
Displays and Operating Controls .......................................................................................................... 156
Documentation........................................................................................................................................... 157
Documentation...................................................................................................................................... 157
Appendix 159
Spare parts list: Fronius Primo 208-240: ................................................................................................... 160
Circuit diagrams: Fronius Primo 208-240: ................................................................................................. 161
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