Mitsubishi Electric 800 Series Instruction Manual page 607

 Removal and reinstallation precautions
Precautions to be taken when removing or reinstalling the control circuit terminal block are shown below.
Observe the following precautions and handle the inverter properly to avoid malfunctions or failures.
• To remove or reinstall the control circuit terminal block, keep it upright so that it is parallel with the inverter.
• To install the control circuit terminal block, slide it upward so that the tongues on the inverter slot into the grooves on the
terminal block.
• Check that the terminal block is parallel to the inverter and the pins on the inverter control circuit connector are not bent.
After checking proper connection, fix the terminal block in place with two screws.
A
Insert the
terminal block
parallel to the
inverter.
NOTE
• Do not tilt the terminal block while tightening the screws or removing it from the inverter. (Otherwise, stress applied to the
control circuit terminal block or the control circuit connector may damage the pins.)
• After replacing the control terminal block, connect the jumper connector to the correct position in accordance with the
control logic of input signals. (Refer to
606
7. PRECAUTIONS FOR MAINTENANCE AND INSPECTION
7.1 Inspection item
Slot the tongue into the groove.
page 54.)
Inverter's control
circuit connector
Fasten the screws.
Inverter's control
circuit connector
View from side A
Control circuit terminal block
Control circuit terminal block