Mitsubishi Electric FR-E720-0.1 K Instruction Manual page 10

6 PRECAUTIONS FOR MAINTENANCE AND INSPECTION
6.1 Inspection items ............................................................................. 298
6.1.1 Daily inspection .......................................................................................................................... 298
6.1.2 Periodic inspection ..................................................................................................................... 298
6.1.3 Daily and periodic inspection ...................................................................................................... 299
6.1.4 Display of the life of the inverter parts ........................................................................................ 300
6.1.5 Checking the inverter and converter modules ............................................................................ 301
6.1.6 Cleaning ..................................................................................................................................... 302
6.1.7 Replacement of parts ................................................................................................................. 302
6.1.8 Inverter replacement................................................................................................................... 305
6.2 Measurement of main circuit voltages, currents and powers ...... 306
6.2.1 Measurement of powers ............................................................................................................. 308
6.2.2 Measurement of voltages and use of PT .................................................................................... 308
6.2.3 Measurement of currents............................................................................................................ 309
6.2.4 Use of CT and transducer .......................................................................................................... 309
6.2.5 Measurement of inverter input power factor ............................................................................... 309
6.2.6 Measurement of converter output voltage (across terminals P and N) ...................................... 309
6.2.7 Measurement of inverter output frequency ................................................................................. 309
6.2.8 Insulation resistance test using megger ..................................................................................... 310
6.2.9 Pressure test .............................................................................................................................. 310
7 SPECIFICATIONS
7.1 Rating.............................................................................................. 312
7.2 Common specifications .................................................................. 314
7.3 Outline dimension drawings........................................................... 315
APPENDIX
Appendix 1 For customers who have replaced the conventional model
with this inverter ....................................................................................... 322
Appendix 1-1 Replacement of the FR-E500 series ............................................................................... 322
Appendix2 Specification change ................................................................................ 324
Appendix 2-1 SERIAL number check .................................................................................................... 324
Appendix 2-2 Changed Items ................................................................................................................ 324
Appendix3 Index........................................................................................................... 326
297
311
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VI