Mitsubishi Electric FR-HC2-7.5K Instruction Manual page 53

Wiring of main circuit (FR-HC2-H280K)
(6) Wiring the power supply and inverter
Connect the inverter control power supply directly to the power supply without connecting a converter in between.
MCCB
Power
supply
Cable gauge
0.75 to 2mm
NOTE
 Refer to the Instruction Manual of the inverter, and remove the jumpers across terminals R/L1 and R1/L11 and across
terminals S/L2 and S1/L21 in the inverter main circuit.
 Always connect the power supply to the inverter. It supplies power to the inverter's control power and large-capacity
cooling fan. If not connected, the inverter may come to a trip or be damaged.
46
Inverter control
power supply
R1
S1
2
R1/L11
S1/L21