Mitsubishi Electric FR-CC2-H355K Instruction Manual page 5

3 PRECAUTIONS FOR USE OF THE INVERTER 55
3.1 Electro-magnetic interference (EMI) and leakage currents
3.1.1 Leakage currents and precautions ................................................................................................................. 56
3.1.2 Precautions against inverter-generated EMI .................................................................................................. 59
3.1.3 Converter unit (FR-CC2) built-in EMC filter.................................................................................................... 62
3.2 Power supply harmonics
3.2.1 Power supply harmonics ................................................................................................................................ 63
3.2.2 Harmonic Suppression Guidelines ................................................................................................................. 64
3.3 Installation of a reactor
3.4 Power-OFF and magnetic contactor (MC)
3.5 Precautions against deterioration of the 400 V class motor insulation
3.6 Checklist before starting operation
3.7 Failsafe system which uses the inverter
4 PROTECTIVE FUNCTIONS
4.1 Inverter fault and alarm indications
4.2 Reset method for the protective functions
4.3 Check and clear of the faults history
4.4 List of fault displays
5 PRECAUTIONS FOR
MAINTENANCE AND INSPECTION
5.1 Inspection item
5.1.1 Daily inspection .............................................................................................................................................. 82
5.1.2 Periodic inspection ......................................................................................................................................... 82
5.1.3 Daily and periodic inspection.......................................................................................................................... 83
5.1.4 Checking the inverter and converter modules................................................................................................ 84
5.1.5 Cleaning ......................................................................................................................................................... 85
5.1.6 Replacement of parts ..................................................................................................................................... 85
5.1.7 &&Removal and reinstallation of the control circuit terminal block................................................................. 87
5.2 Measurement of main circuit voltages, currents and powers
5.2.1 Measurement of powers................................................................................................................................. 91
5.2.2 Measurement of voltages and use of PT........................................................................................................ 91
5.2.3 Measurement of currents ............................................................................................................................... 92
5.2.4 Use of CT and transducer .............................................................................................................................. 92
5.2.5 Example of measuring converter unit (FR-CC2) input power factor............................................................... 92
5.2.6 Measurement of converter output voltage (across terminals P and N) .......................................................... 92
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