Removal And Reinstallation Of The Control Circuit Terminal Block - Mitsubishi Electric FR-F820-00046 Instruction Manual

7.1.7 Removal and reinstallation of the control circuit
terminal block
This product has a removable control circuit terminal block, which can be replaced with a new one or a control terminal option.
 Removal and reinstallation
1.
Loosen the two installation 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
2.
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.
NOTE
• Before starting the replacement, power OFF the inverter, wait for at least 10 minutes, and then check that the charge lamp is
OFF to ensure safety.
 Removal and reinstallation precautions
The following are the precautions to remove or reinstall the control circuit terminal block. 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.
Slot the tongue into
the groove.
A
Insert the terminal
block parallel to the
inverter.
Inverter's control
circuit connector
Fasten the screws.
Inverter's control
circuit connector
7. PRECAUTIONS FOR MAINTENANCE AND INSPECTION
Control circuit terminal block
Control circuit terminal block
View from side A
7.1 Inspection item
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