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Vacon NX User's Manual
Document code: DPD00908B
Date: 11.12.2015
Index
1.
1.1
1.2
Safety instructions ....................................................................................................................... 6
1.3
Earthing and earth fault protection............................................................................................ 7
1.4
Running the motor ...................................................................................................................... 7
2.
EU DIRECTIVE .............................................................................................................. 8
2.1
2.2
2.2.1 Introduction ......................................................................................................................... 8
2.2.2 Technical criteria ................................................................................................................ 8
2.2.3 Vacon inverter EMC classification ..................................................................................... 8
3.
RECEIPT OF DELIVERY ................................................................................................. 9
3.1
Type designation code. ................................................................................................................ 9
3.1.1 FR4—FR8 ............................................................................................................................. 9
3.1.2 The standard features of NX inverters ............................................................................ 10
3.2
3.3
3.4
Warranty ..................................................................................................................................... 11
4.
TECHNICAL DATA....................................................................................................... 12
4.1
4.2
4.2.1 Vacon NXI_xxxx 5 – Supply voltage 465-800 Vdc, Motor voltage 380—500 Vac ............ 14
4.2.2 Vacon NXI_xxxx 6 – Supply voltage 640-1100 Vdc, Motor voltage 525—690 Vac .......... 15
4.3
Technical information ............................................................................................................... 16
5.
INSTALLATION ........................................................................................................... 19
5.1
Mounting .................................................................................................................................... 19
5.2
5.2.1 Frames FR4 to FR8 ........................................................................................................... 25
5.2.2 Power losses as function of switching frequency ........................................................... 26
6.
CABLING AND CONNECTIONS .................................................................................... 27
6.1
Power unit .................................................................................................................................. 27
6.1.1 Power connections ............................................................................................................ 28
6.1.1.1
DC supply and motor cables .................................................................................... 28
6.1.1.2
Control cable ............................................................................................................. 28
6.1.1.3
Fuses, NXI_xxxx 5 ..................................................................................................... 29
6.1.1.4
Fuses, NXI_xxxx 6 ..................................................................................................... 29
6.1.1.5
Cable sizes, NXI_xxxx 5 ............................................................................................ 30
6.1.1.6
Cable sizes, NXI_xxxx 6 ............................................................................................ 30
6.1.2 Installation instructions .................................................................................................... 31
6.1.2.1
Stripping lengths of motor and DC supply cables .................................................. 33
6.1.2.2
Vacon NX frames....................................................................................................... 34
Summary of Contents for FI4
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