Vacon NX Active Front End - Page 4

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5.1 Mounting ...........................................................................................................................46
5.1.1 Active Front End Unit .......................................................................................................46
5.1.2 LCL filter ..........................................................................................................................48
5.1.3 Control Box ...................................................................................................................... 50
5.2 Cooling ..............................................................................................................................53
5.2.1 Active Front End unit ........................................................................................................53
5.2.2 LCL filter ..........................................................................................................................57
5.2.3 Arranging ventilation of the enclosure ............................................................................60
5.2.4 Steering air flow ...............................................................................................................61
5.3 Power connection .............................................................................................................64
5.3.1 AC connection ..................................................................................................................64
5.3.2 DC connection ..................................................................................................................64
5.3.3 LCL filter Fan power supply .............................................................................................64
5.4 Control unit ......................................................................................................................68
5.5 Galvanic isolation barriers ...............................................................................................70
6. Control Keypad .............................................................................................. 71
6.1 Indicators on the keypad display ......................................................................................72
6.1.1 Drive status indications ....................................................................................................72
6.1.2 Status LEDs (green – green – red) ..................................................................................72
6.1.3 Text Lines .........................................................................................................................73
6.2 Keypad push-buttons .......................................................................................................74
6.2.1 Buttons descriptions.........................................................................................................74
6.3 Navigation on the control keypad ....................................................................................75
6.3.1 Monitoring menu (M1) ......................................................................................................76
6.3.2 Parameter menu (M2) ......................................................................................................77
6.3.3 Keypad control menu (M3) ...............................................................................................79
6.3.4 Active fault menu (M4) .....................................................................................................79
6.3.5 Fault types ........................................................................................................................80
6.3.6 Fault codes .......................................................................................................................81
6.3.7 Fault history menu (M5) ...................................................................................................83
6.3.8 System menu (M6) ...........................................................................................................84
7. Appendices .....................................................................................................93