Mitsubishi Electric FR-F862-E Instruction Manual page 6

Separated converter type, inverter for fans and pumps
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3.1.1
Leakage currents and precautions .................................................................................................................50
3.1.2
Precautions against inverter-generated EMI ..................................................................................................51
3.2
Power supply harmonics
3.2.1
Power supply harmonics.................................................................................................................................53
3.3
Installation of a reactor
3.4
Power-OFF and magnetic contactor (MC)
3.5
Precautions against deterioration of the 600 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
List of fault displays
5 PRECAUTIONS FOR
MAINTENANCE AND INSPECTION
5.1
Inspection item
5.1.1
Daily inspection...............................................................................................................................................66
5.1.2
Periodic inspection..........................................................................................................................................66
5.1.3
Daily and periodic inspection ..........................................................................................................................67
5.1.4
Checking the inverter and converter modules ................................................................................................68
5.1.5
Cleaning..........................................................................................................................................................69
5.1.6
Replacement of parts......................................................................................................................................69
5.1.7
Removal and reinstallation of the control circuit terminal block ......................................................................71
5.2
Measurement of main circuit voltages, currents and powers
5.2.1
Measurement of powers .................................................................................................................................75
5.2.2
Measurement of voltages ...............................................................................................................................75
5.2.3
Measurement of currents................................................................................................................................75
5.2.4
Example of measuring converter unit (FR-CC2-C) input power factor ...........................................................75
5.2.5
Measurement of converter output voltage (across terminals P and N)...........................................................75
5.2.6
Measurement of inverter output frequency .....................................................................................................75
5.2.7
Insulation resistance test using megger .........................................................................................................76
5.2.8
Withstand voltage test ....................................................................................................................................76
6 SPECIFICATIONS
6.1
Inverter rating
6.2
Common specifications
53
53
54
55
56
59
61
62
62
63
65
66
73
77
78
79
5
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