Inverter Replacement - Mitsubishi Electric FR-A820-00046 Instruction Manual

Precautions for maintenance and inspection
7.1.7

Inverter replacement

The inverter can be replaced with the control circuit wiring kept connected. Before replacement, re-
move the wiring cover of the inverter.
Loosen the two mounting screws at the both side of the control circuit terminal block. (These
screws cannot be removed.) Slide down the control circuit terminal block to remove it.
Loosen the
screws
Fig. 7-9:
Be careful not to bend the pins of the inverter's control circuit connector, reinstall the control
circuit terminal block and fix it with the mounting screws.
Fig. 7-10:
NOTE Before starting inverter replacement, switch power OFF, wait for at least 10 minutes, and then
check the voltage with a tester and such to ensure safety.
FR-A800
Removal of the terminal block
Reinstallation of the terminal block
Inspection item
I002460E
Fix it with
the screws
I002461E
7 - 11