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2
INSTALLATION AND WIRING
Main circuit terminal specifications
2.6 Main circuit terminal specifications
2.6.1 Description of main circuit terminal
Terminal
Symbol
Terminal Name Description
R/L1, S/L2, T/L3
Power input
These terminals are used to detect power phase and power voltage, and to input control
power. Connect them to the commercial power supply. If the inverter is operated without
connecting them to the commercial power supply, the converter will be damaged.
R4/L14, S4/L24,
T4/L34
Power input Connect them to the reactor 2.
R1/L11, S1/L21
Power supply for
control circuit
These terminals are connected to the phase detection terminals R/L1 and S/L2 in the initial
status. To retain the fault display and fault output, remove the jumpers (cables) and apply
external power to these terminals.
P/+, N/-
Inverter connection Connect them to the inverter terminals P/+ and N/-.
Earth (Ground) For earthing (grounding) the converter chassis. It must be earthed (grounded).
HC2.book 27 ページ ２０１２年１１月１９日 月曜日 午前１０時５２分