7
WARNING
(Ref. page)
• For 400V class, make sure to ground the supply neutral.
• Make sure to ground the ground terminal according to the
local ground code.
Failure to observe this warning can result in electric shock
or fire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
CAUTION
(Ref. page)
• Verify that the inverter rated voltage coincides with the
AC power supply voltage.
Failure to observe this caution can result in personal injury
or fire.
• Do not perform a withstand voltage test of the inverter.
It may cause semi-conductor elements to be damaged.
• Make sure to tighten terminal screws of the main circuit
and the control circuit.
Failure to observe this caution can result in a malfunction,
damage or a fire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
• Never connect the AC main circuit power supply to output
terminals U, V and W.
The inverter will be damaged and void the warranty. . . . . . . . . . . . . . . . . . . . 42
• Do not connect or disconnect wires or connectors while
power is applied to the circuit.
Failure to observe this caution can result in personal injury.
• Do not change signal/control wiring during operation.
The machine or the inverter may be damaged.
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