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Puhelin: 0201-2121 • Fax: 0201-212 205
Vacon NX User's Manual
Document code: DPD00908A
Date: 28.11.2013
Index
1. SAFETY ........................................................................................................................................7
1.1 Warnings ................................................................................................................................... 7
1.2 Safety instructions .................................................................................................................... 7
1.3 Earthing and earth fault protection ......................................................................................... 8
1.4 Running the motor .................................................................................................................... 8
2. EU DIRECTIVE .............................................................................................................................9
2.1 CE marking ............................................................................................................................... 9
2.2 EMC directive ............................................................................................................................ 9
2.2.1 Introduction ....................................................................................................................... 9
2.2.2 Technical criteria .............................................................................................................. 9
2.2.3 Vacon inverter EMC classification ................................................................................... 9
3. RECEIPT OF DELIVERY ............................................................................................................. 10
3.1 Type designation code. ........................................................................................................... 10
3.1.1 FR4—FR8 ........................................................................................................................ 10
3.1.2 The standard features of NX inverters .......................................................................... 11
3.2 Storage .................................................................................................................................... 12
3.3 Maintenance ............................................................................................................................ 12
3.4 Warranty .................................................................................................................................. 12
4. TECHNICAL DATA ..................................................................................................................... 13
4.1 Introduction ............................................................................................................................. 13
4.2 Power ratings .......................................................................................................................... 15
4.2.1 Vacon NXI_xxxx 5 – Supply voltage 465-800 Vdc, Motor voltage 380—500 Vac ........... 15
4.2.2 Vacon NXI_xxxx 6 – Supply voltage 640-1100 Vdc, Motor voltage 525—690 Vac.......... 16
4.3 Technical information ............................................................................................................. 17
5. INSTALLATION .......................................................................................................................... 20
5.1 Mounting ................................................................................................................................. 20
5.2 Fan cooling .............................................................................................................................. 26
5.2.1 Frames FR4 to FR8 ......................................................................................................... 26
5.2.2 Power losses as function of switching frequency ......................................................... 27
6. CABLING AND CONNECTIONS ................................................................................................. 28
6.1 Power unit ............................................................................................................................... 28
6.1.1 Power connections ......................................................................................................... 29
6.1.1.1 DC supply and motor cables .................................................................................. 29
6.1.1.2 Control cable .......................................................................................................... 29
6.1.1.3 Fuses, NXI_xxxx 5 ................................................................................................... 30
6.1.1.4 Fuses, NXI_xxxx 6 ................................................................................................... 30
6.1.1.5 Cable sizes, NXI_xxxx 5 .......................................................................................... 31
6.1.1.6 Cable sizes, NXI_xxxx 6 .......................................................................................... 31