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6-2
CAUTION
* Radiating fin and discharging resistor will have high temperature. Be sure not to touch
them.
Otherwise, there is a danger of getting burned.
* Low to high speed operation of the inverter can be easily set. Be sure to operate it
after checking the tolerance of the motor and machine.
Otherwise, there is a danger of injury.
* If a motor is operated at a frequency higher than 60Hz, be sure to check the speeds of
the motor and the machine with each manufacturer, and after getting their consent,
operate them.
Otherwise, there is a danger of machine breakage.
Note:
(1) Make sure that the power lines (input power supply R(L1), S(L2) and T(L3), and output
terminals, U(T1), V(T2) and W(T3) are connected correctly.
(2) Make sure that there are no mistakes in the signal line connections.
(3) Make sure that the inverter case ( ) is grounded.
(4) Make sure that terminals other than those specified are not grounded.
(5) Make sure that the inverter is installed vertically on a wall, and a nonflammable material
such as a steel plate is used as a mounting surface.
(6) Make sure that there are no short-circuits caused by stray pieces of wire, solderless termi-
nals or other objects left from wiring work. Also, make sure that no tools have been left
behind.
(7) Make sure that the output wires are not short-circuited or grounded.
(8) Make sure that there are no loose screws or terminals.
(9) Make sure that the maximum frequency setting matches the machine specifications.
Be sure to refer to page 10-2 when conducting insulation resistance and withstand
voltage tests. Never test terminals other than those which are indicated.