TREND NX Variable Speed Drives - Manual (Page 22)

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Vacon NXS/P User's Manual
Index
Document code: ud00701S
Date: 7.12.2005
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 General ................................................................................................................................9
2.2.2 Technical criteria.................................................................................................................9
2.2.3 Vacon frequency converter EMC classification ..................................................................9
2.2.4 Manufacturer's declaration of conformity ....................................................................... 10
3. RECEIPT OF DELIVERY ..................................................................................................... 14
3.1 Type designation code ...................................................................................................................14
3.2 Storage ...........................................................................................................................................15
3.3 Maintenance...................................................................................................................................15
3.4 Warranty.........................................................................................................................................15
4. TECHNICAL DATA............................................................................................................. 16
4.1 Introduction....................................................................................................................................16
4.2 Power ratings.................................................................................................................................18
4.2.1 Vacon NX_5 – Mains voltage 380—500 V .......................................................................... 18
4.2.2 Vacon NX_6 – Mains voltage 525—690 V .......................................................................... 19
4.2.3 Vacon NX_2 – Mains voltage 208—240 V .......................................................................... 20
4.3 Brake resistor ratings ...................................................................................................................21
4.4 Technical data................................................................................................................................23
5. INSTALLATION ................................................................................................................. 25
5.1 Mounting ........................................................................................................................................25
5.2 Cooling ...........................................................................................................................................35
5.2.1 FR4 to FR9 ......................................................................................................................... 35
5.2.2 Standalone units (FR10 to FR12) ...................................................................................... 36
5.3 Power losses..................................................................................................................................37
5.3.1 Power losses as function of switching frequency ............................................................ 37
6. CABLING AND CONNECTIONS ......................................................................................... 41
6.1 Power unit ......................................................................................................................................41
6.1.1 Power connections ............................................................................................................ 41
6.1.1.1 Mains and motor cables ............................................................................................. 41
6.1.1.2 DC supply and brake resistor cables......................................................................... 42
6.1.1.3 Control cable .............................................................................................................. 42
6.1.1.4 Cable and fuse sizes, NX_2 and NX_5, FR4 to FR9 ................................................... 42
6.1.1.5 Cable and fuse sizes, NX_6, FR6 to FR9 .................................................................... 43
6.1.1.6 Cable and fuse sizes, NX_5, FR10 to FR12 ................................................................ 43
6.1.1.7 Cable and fuse sizes, NX_6, FR10 to FR12 ................................................................ 44
6.1.2 Understanding the power unit topology ........................................................................... 44
6.1.3 Changing the EMC protection class.................................................................................. 45
6.1.4 Mounting of cable accessories ......................................................................................... 47