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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
Summary of Contents for NXI Series
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