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1. Electric Shock Prevention
Thank you for choosing this Mitsubishi Transistorized inverter.
This instruction manual (detailed) provides instructions for advanced use of the FR-
S500 series inverters.
Incorrect handling might cause an unexpected fault. Before using the inverter, always
read this instruction manual and the instruction manual (basic) [IB-0600210ENG]
packed with the product carefully to use the equipment to its optimum.
This section is specifically about safety matters
Do not attempt to install, operate, maintain or inspect the inverter until you have read
through this instruction manual (basic) and appended documents carefully and can
use the equipment correctly. Do not use the inverter until you have a full knowledge
of the equipment, safety information and instructions.
In this instruction manual (detailed), 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 even the 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
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 or wiring cover removed. Otherwise,
you may access the exposed high-voltage terminals or the charging part of the
circuitry and get an electric shock. Also, the inverter's ability to withstand
earthquakes will deteriorate.
Even 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, check to make sure that the 3-digit LED inverter
monitor is off, wait for at least 10 minutes after the power supply has been switched
off, and check to make sure that there are no residual voltage using a tester or the
like.
This inverter must be grounded. Grounding must conform to the requirements of
national and local safety regulations and electrical codes. (JIS, NEC section 250,
IEC 536 class 1 and other applicable standards)
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.
Perform setting dial and key operations 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.
Do not change the cooling fan while power is on. It is dangerous to change the
cooling fan while power is on.
When you have removed the front cover, do not touch the connector above the 3-
digit monitor LED display. Otherwise, you get an electrick shock.
WARNING
CAUTION
CAUTION