User`s manual

A-5
[STARTUP AND MAINTENANCE PRECAUTIONS]
[DISPOSAL PRECAUTIONS]
z Do not touch the terminals while power is on.
Doing so can cause an electric shock or misoperation.
z Before starting cleaning or terminal screw retightening, always switch power
off externally in all phases.
Not doing so can cause a unit failure or misoperation.
Undertightening can cause a drop, short circuit or misoperation.
Overtightening can cause a drop, short circuit or misoperation due to
damaged screws or unit.
z Do not disassemble or modify the unit.
Doing so can cause a failure, misoperation, injury or fire.
z Do not touch the conductive areas and electronic parts of the unit.
Doing so can cause the unit to misoperate or fail.
z Do not change any switch setting while power is on.
Doing so can cause a failure or misoperation.
z Do not drop the unit or subject it to strong impact.
Doing so can damage the unit.
z Always make sure to touch the grounded metal to discharge the electricity
charged in the body, etc., before touching the unit.
Failure to do so may cause a failure or malfunctions of the unit.
z Dispose of this product as industrial waste.
DANGER
CAUTION
CAUTION