120 Maintenance
Inserting the module into the cubicle
1. Move the new inverter module close to the ramp, then retract the support legs of the
module.
2. Push the module up the ramp back into the cubicle. Keep your fingers away from the
edge of the module front plate to avoid pinching them between the module and the
cubicle. Also, keep a constant pressure with one foot on the base of the module to
stabilize the movement.
3. Refasten the module fixing screws at the top and reconnect the DC busbars. The
tightening torque is 70 N·m for M12 screws.
4. Reconnect the cables (X50, fiber optic cables).
5. Loosen the module fastening bolts at the base of the module and remove the pull-out
ramp. Flip the module fastening bracket into the down position and tighten the screws.
6. Close the cubicle door.
Replacing the LCL filter
Contact ABB.
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