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Mitsubishi Electric 800 Series Hardware Instruction Manual Page 111

Separated converter type.
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NOTE
• Before starting inverter replacement, switch OFF the power, wait for at least 10 minutes, and then check the voltage with a
tester and such to ensure safety.
 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, a stress applied to the
control circuit terminal block or the control circuit connector may cause damage to them.)
• 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
110
5. PRECAUTIONS FOR MAINTENANCE AND INSPECTION
5.1 Inspection item
Slot the tongue into the groove.
page
49.)
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

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