2-2 Removal of Each Part
2-2-1 Removing Covers
Before wiring each terminal block, you need to remove the terminal block cover and the backing plate.
This section describes how to remove these covers.
To install a communications unit or other option unit, you must remove the front cover beforehand.
For how to install an option unit, refer to the user’s manual for each option unit.
1 Loosen the terminal block cover fixation screw(s).
2 Remove the terminal block cover in the direction of the arrow.
You can find one terminal block cover fixation screw at the lower right of the cover for inverters
with a capacity of 3.0 kW or lower, or two terminal block cover fixation screws on both sides of
the cover for inverters with a capacity of 3.7 kW or higher.
Also note that the front cover is screwed to the terminal block cover, but not fixed to the inverter
body. Therefore, you can remove the terminal block cover without removing the front cover.
Front cover
Terminal
block cover
Front cover fixation screw M3
Screw tightening torque: 0.2 to 0.3 N·m
Terminal block cover fixation screw
(1 for 3.0 kW or lower)
M3: Screw tightening torque 0.2 to 0.3 N·m
Front cover fixation screw M3
Screw tightening torque: 0.2 to 0.3 N·m
Terminal block cover fixation screw
(2 for 3.7 kW or higher)
M3 for 3.7 kW, 4.0 kW: Screw tightening torque 0.2 to 0.3 N·m
M4 for 5.5kW or higher: Screw tightening torque 0.7 to 0.8 N·m
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