Fuji Electric FRENIC MEGA G2 Series - Chapter 1 BEFORE USE; 1.1 Acceptance Inspection (Nameplate and Inverter Type); 1.2 Product External Appearance; 1.3 Precautions for Using Inverters

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CONTENTS
Chapter 1 BEFORE USE
1.1 Acceptance Inspection (Nameplate and Inverter Type) ..................................................................... 1-1
1.2 Product External Appearance ............................................................................................................ 1-3
1.3 Precautions for Using Inverters ......................................................................................................... 1-5
1.3.1 Usage environment ....................................................................................................................... 1-5
1.3.2 Storage environment ..................................................................................................................... 1-8
[ 1 ] Temporary storage .................................................................................................................... 1-8
[ 2 ] Long-term storage .................................................................................................................... 1-8
1.3.3 Precautions for connection of peripheral equipment ..................................................................... 1-9
[ 1 ] Phase-advancing capacitors for power factor correction .......................................................... 1-9
[ 2 ] Power supply lines (application of DC/AC reactors) ................................................................. 1-9
[ 3 ] DC reactor (DCR) for correcting the inverter input power factor (for suppressing harmonics) . 1-9
[ 4 ] PWM converter for correcting the inverter input power factor ................................................. 1-10
[ 5 ] Molded case circuit breakers (MCCB)/earth leakage circuit breakers (ELCB) ........................ 1-10
[ 6 ] Magnetic contactor (MC) in the inverter input (primary) circuit ............................................... 1-10
[ 7 ] Magnetic contactor (MC) in the inverter output (secondary) circuit ......................................... 1-10
[ 8 ] Surge absorber/surge killer ..................................................................................................... 1-10
1.3.4 Noise reduction ............................................................................................................................1-11
1.3.5 Leakage current ...........................................................................................................................1-11
Chapter 2 INSTALLATION AND WIRING
2.1 Installation ......................................................................................................................................... 2-1
2.2 Wiring ................................................................................................................................................ 2-4
2.2.1 Basic connection diagrams ........................................................................................................... 2-4
2.2.2 Removal and attachment of the front cover and wiring guide ....................................................... 2-6
2.2.3 Wiring precautions ........................................................................................................................ 2-7
2.2.4 Precautions for long wiring (between inverter and motor) ............................................................. 2-9
2.2.5 Main circuit terminals ...................................................................................................................2-11
[ 1 ] Screw specifications and recommended wire size (main circuit terminals) ..............................2-11
[ 2 ] Terminal layout diagrams (main circuit terminals) ................................................................... 2-12
[ 3 ] Recommended wire size (main circuit terminals) ................................................................... 2-13
[ 4 ] Terminal function description (main circuit terminals) ............................................................. 2-22
2.2.6 Control circuit terminals (common to all models) ......................................................................... 2-27
[ 1 ] Screw specifications and recommended wire size (control circuit terminals) .......................... 2-27
[ 2 ] Terminal layout diagram (control circuit terminals) .................................................................. 2-27
[ 3 ] Control circuit wiring precautions ............................................................................................ 2-28
[ 4 ] Description of terminal functions (control circuit terminals) ..................................................... 2-29
2.2.7 Switching switches ...................................................................................................................... 2-40
2.3 Mounting and Removing the Keypad ............................................................................................... 2-43
Chapter 3 OPERATION USING THE KEYPAD
3.1 Name and Function of Each Keypad Part.......................................................................................... 3-1
3.2 Overview of Operation Modes ........................................................................................................... 3-3
3.3 Running Mode ................................................................................................................................... 3-5
3.3.1 Operating state monitor ................................................................................................................. 3-5
3.3.2 Status display ................................................................................................................................ 3-7
3.3.3 Monitoring warnings ...................................................................................................................... 3-8
3.3.4 Running or stopping the motor with the keypad ............................................................................ 3-9
3.3.5 Setting the reference frequency with the keypad .......................................................................... 3-9
3.3.6 Setting PID commands with the keypad ...................................................................................... 3-10
[ 1 ] Settings under PID process control ........................................................................................ 3-10