Mitsubishi Electric FR-D720 K Series Instruction Manual page 9

6.1 Inspection items ............................................................................. 276
6.1.1 Daily inspection........................................................................................................................... 276
6.1.2 Periodic inspection...................................................................................................................... 276
6.1.3 Daily and periodic inspection ...................................................................................................... 277
6.1.4 Display of the life of the inverter parts ........................................................................................ 278
6.1.5 Checking the inverter and converter modules ............................................................................ 279
6.1.6 Cleaning...................................................................................................................................... 279
6.1.7 Replacement of parts.................................................................................................................. 280
6.2 Measurement of main circuit voltages, currents and powers....... 284
6.2.1 Measurement of powers ............................................................................................................. 286
6.2.2 Measurement of voltages and use of PT .................................................................................... 286
6.2.3 Measurement of currents............................................................................................................ 287
6.2.4 Use of CT and transducer........................................................................................................... 287
6.2.5 Measurement of inverter input power factor ............................................................................... 287
6.2.6 Measurement of converter output voltage (across terminals P/+ and N/-) ................................. 287
6.2.7 Measurement of inverter output frequency ................................................................................. 287
6.2.8 Insulation resistance test using megger ..................................................................................... 288
6.2.9 Pressure test............................................................................................................................... 288
7 SPECIFICATIONS
7.1 Rating .............................................................................................. 290
7.2 Common specifications .................................................................. 292
7.3 Outline dimension drawings ........................................................... 293
APPENDIX
Appendix 1 For customers replacing the conventional model with this inverter ... 298
Appendix 1-1 Replacement of the FR-S500 series ............................................................................... 298
Appendix 2 Specification change check ..................................................................... 301
Appendix 2-1 Changed function ............................................................................................................ 301
Appendix 3 Index........................................................................................................... 302
VI
289
297