Nxs/P User's Manual; Index - Honeywell NX series User Manual

Constant and variable torque variable speed drives for induction motors
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NXS/P User's Manual

Index

1.
SAFETY......................................................................................................................................6
1.1 Warnings.....................................................................................................................................6
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 CE marking .................................................................................................................................8
2.2 EMC directive..............................................................................................................................8
2.2.1 General............................................................................................................................8
2.2.2 Technical criteria .............................................................................................................8
2.2.3 Frequency converter EMC classification .........................................................................8
2.2.4 Manufacturer's declaration of conformity ........................................................................9
3.
RECEIPT OF DELIVERY .........................................................................................................13
3.1 Type designation code..............................................................................................................13
3.2 Storage .....................................................................................................................................14
3.3 Maintenance .............................................................................................................................14
3.3.1 Capacitor recharge........................................................................................................14
3.4 Warranty ...................................................................................................................................15
4.
TECHNICAL DATA ..................................................................................................................16
4.1 Introduction ...............................................................................................................................16
4.2 Power ratings ............................................................................................................................18
4.2.1 NX_5 - Mains voltage 380-500 V ...............................................................................18
4.2.2 NX_6 - Mains voltage 525-690 V ...............................................................................19
4.2.3 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)..................................................................................37
5.3 Power losses ............................................................................................................................39
5.3.1 Power losses as function of switching frequency ..........................................................39
6.
CABLING AND CONNECTIONS .............................................................................................43
6.1 Power unit .................................................................................................................................43
6.1.1 Power connections ........................................................................................................43
6.1.1.1 Mains and motor cables .........................................................................................43
6.1.1.2 DC supply and brake resistor cables......................................................................44
6.1.1.3 Control cable ..........................................................................................................44
6.1.1.4 Cable and fuse sizes, NX_2 and NX_5, FR4 to FR9 .............................................44
6.1.1.5 Cable and fuse sizes, NX_6, FR6 to FR9 ..............................................................45
6.1.1.6 Cable and fuse sizes, NX_5, FR10 to FR12 ..........................................................46
6.1.1.7 Cable and fuse sizes, NX_6, FR10 to FR12 ..........................................................46
6.1.2 Understanding the power unit topology.........................................................................47
6.1.3 Changing the EMC protection class ..............................................................................48
6.1.4 Mounting of cable accessories ......................................................................................50
6.1.5 Installation instructions ..................................................................................................52
6.1.5.1 Stripping lengths of motor and mains cables .........................................................53
6.1.5.2 NX frames and installation of cables ......................................................................54

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