Mitsubishi Electric FR-A5NPA Instruction Manual page 2

Thank you for choosing the Mitsubishi transistorized 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.
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".
WARNING
CAUTION
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.
SAFETY INSTRUCTIONS
1. Electric Shock Prevention
• • • • While power is on or when the inverter is running, do not open the front
cover. You may get an electric shock.
• • • • Do not run the inverter with the front cover removed. Otherwise, you may
access the exposed high-voltage terminals and charging part and get an
electric shock.
• • • • If power is off, do not remove the front cover except for wiring or periodic
inspection. You may access the charged inverter circuits and get an electric
shock.
• • • • Before starting wiring or inspection, switch power off, wait for more than 10
minutes, and check for no residual voltage with a tester or the like.
• • • • Any person who is involved in the wiring or inspection of this equipment
should be fully competent to do the work.
• • • • Always install the option unit before wiring. Otherwise, you may get an
electric shock or be injured.
• • • • Handle this option unit with dry hands to prevent an electric shock.
• • • • Do not subject the cables to scratches, excessive stress, heavy loads or
pinching. Otherwise, you may get an electric shock.
• • • • While power is on, do not move the station number and baud rate setting
switches. Doing so can cause an electric shock.
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.
WARNING
WARNING
A-1