Toshiba LF620 B Series Instruction Manual page 4

SAFETY PRECAUTIONS (continued)
Safety Precautions for Installation and Wiring
 Do not use the LF620*B and LF622*B in an
explosive atmosphere.
DON'T
 Install a switch and fuse to isolate the
LF620*B and LF622*B from mains power.
DO
 Turn off mains power before conducting
wiring work.
DO
 Turn off mains power before working on
pipes.
DO
 Do not conduct wiring work with bare hands.
DON'T
CAUTION
Using this product in an
explosive atmosphere can
cause explosion.
Power supply from mains
power can cause electric
shock or circuit
break-down.
Wiring while power is
applied can cause electric
shock.
Working on pipes while
power is applied can cause
electric shock.
Remaining electric
charge even if power is
turned off can still cause
electric shock.
The label shown left is placed near the terminal board for power supply
on the converter.
Be alert to electric shock.
 Use an appropriate device to carry and install the
LF620*B and LF622*B.
If this product falls to the ground,
injury, or malfunction of or damage to
the product, can be caused.
DO
 Do not modify or disassemble the LF620*B and
LF622*B unnecessarily.
Modifying or disassembling this
product can cause
electric shock,
DON'T
malfunction of or damage to this
product.
 Ground the LF620*B and LF622*B independently
from power equipment. (100 ohm or less
ground resistance)
Operating this product
without grounding can cause
electric shock or malfunction.
DO
■ Use crimped terminal lugs for the terminal board
and GND terminal.
Loose connections can cause
electric shock, fire from excessive
current or system malfunction.
DO
 Do not work on piping and wiring with wet hands.
Wet hands may result in electric
shock.
DON'T
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