Mitsubishi Electric A800 Plus Instruction Manual page 6

2.11 Installing a communication option
3 PRECAUTIONS FOR USE OF THE INVERTER 71
3.1 Electro-magnetic interference (EMI) and leakage currents
3.1.1 Leakage currents and countermeasures ........................................................................................................72
3.1.2 Precautions against inverter-generated EMI ..................................................................................................75
3.1.3 Converter unit (FR-CC2) built-in EMC filter ....................................................................................................78
3.2 Power supply harmonics
3.2.1 Power supply harmonics.................................................................................................................................79
3.2.2 Harmonic Suppression Guidelines in Japan...................................................................................................80
3.3 Installation of a reactor
3.4 Power-OFF and magnetic contactor (MC)
3.5 Countermeasures 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 indications
4.2 Reset method for the protective functions
4.3 Check and clear of the fault history
4.4 List of fault displays
5 PRECAUTIONS FOR
MAINTENANCE AND INSPECTION
5.1 Inspection item
5.1.1 Daily inspection...............................................................................................................................................98
5.1.2 Periodic inspection..........................................................................................................................................98
5.1.3 Daily and periodic inspection ..........................................................................................................................99
5.1.4 Checking the inverter and converter semiconductor devices .......................................................................100
5.1.5 Cleaning........................................................................................................................................................101
5.1.6 Replacement of parts....................................................................................................................................101
5.1.7 Removal and reinstallation of the control circuit terminal block ....................................................................104
5.2 Measurement of main circuit voltages, currents and powers
5.2.1 Measurement of powers ...............................................................................................................................107
5.2.2 Measurement of voltages .............................................................................................................................107
5.2.3 Measurement of currents..............................................................................................................................107
5.2.4 Example of measuring converter unit (FR-CC2) input power factor .............................................................107
5.2.5 Measurement of converter output voltage (across terminals P and N).........................................................107
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