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Thank you for choosing the Mitsubishi inverter option unit.
This instruction manual gives handling information and
precautions for use of this equipment. Incorrect handling might
cause an unexpected fault. Before using the equipment, please
read this manual carefully to use the equipment to its optimum.
Please forward this manual to the end user.
1. Electric Shock Prevention
This section is specifically about
safety matters
Do not attempt to install, operate, maintain or inspect this
product until you have read through this instruction manual
and appended documents carefully and can use the equipment
correctly. Do not use this product until you have a full
knowledge of the equipment, safety information and
instructions.
In this instruction manual, the safety instruction levels are
classified into "WARNING" and "CAUTION".
Assumes that incorrect handling
may cause hazardous conditions,
resulting in death or severe injury.
Assumes that incorrect handling
may cause hazardous conditions,
resulting in medium or slight injury,
or may cause physical damage
only.
Note that the CAUTION level may lead to a serious
consequence according to conditions. Please follow the
instructions of both levels because they are important to
personnel safety.
WARNING
CAUTION
SAFETY INSTRUCTIONS
WARNING
• Do not run the inverter with the front cover removed.
Otherwise, you may access exposed high voltage terminals
or charging devices and get an electric shock.
• Before starting wiring or inspection, check that the operation
panel indicator is OFF, wait for at least 10 minutes after the
power supply has been switched OFF, and check that there
are no residual voltage using a tester or the like. The
capacitor is charged with high voltage for some time after
power OFF and it is dangerous.
• Any person who is involved in the wiring or inspection of this
equipment should be fully competent to do the work.
• Always install the inverter before wiring. Otherwise, you may
get an electric shock or be injured.
• Operate the keys with dry hands to prevent an electric shock.