Mitsubishi Electric FR-D720-008 Instruction Manual page 10

6.1.1 Daily inspection .......................................................................................................................... 266
6.1.2 Periodic inspection ..................................................................................................................... 266
6.1.3 Daily and periodic inspection ...................................................................................................... 267
6.1.4 Display of the life of the inverter parts ........................................................................................ 268
6.1.5 Checking the inverter and converter modules ............................................................................ 269
6.1.6 Cleaning ..................................................................................................................................... 270
6.1.7 Replacement of parts ................................................................................................................. 270
6.2 Measurement of main circuit voltages, currents and powers ...... 274
6.2.1 Measurement of powers ............................................................................................................. 276
6.2.2 Measurement of voltages and use of PT .................................................................................... 276
6.2.3 Measurement of currents............................................................................................................ 277
6.2.4 Use of CT and transducer .......................................................................................................... 277
6.2.5 Measurement of inverter input power factor ............................................................................... 277
6.2.6 Measurement of converter output voltage (across terminals P and N) ...................................... 277
6.2.7 Insulation resistance test using megger ..................................................................................... 278
6.2.8 Pressure test .............................................................................................................................. 278
7 SPECIFICATIONS
7.1 Rating.............................................................................................. 280
7.2 Common specifications.................................................................. 282
7.3 Outline dimension drawings........................................................... 283
APPENDIX
Appendix1 Index........................................................................................................... 288
279
287
VI