Wiring
14
4. WIRING
● Wiring must be performed by the person certified in electrical work.
● Forbid testing the insulation of cable that connects the inverter with high-voltage
insulation testing devices.
● Cannot install the inverter until discharged completely after the power supply is
switched off for 5 minutes.
● Be sure to ground the ground terminal.
(200V class: Ground resistance should be 100Ω or less, 400V class: Ground
resistance should be 10Ω or less, 660V class: Ground resistance should be 5Ω or
less). Otherwise, it might cause electric shock or fire.
● Connect input terminals (R, S, T) and output terminals (U, V, W) correctly.
Otherwise it will cause damage the inside part of inverter.
● Do not wire and operate the inverter with wet hands.
Otherwise there is a risk of electric shock.
●Check to be sure that the voltage of the main AC power supply satisfies the rated
voltage of the Inverter.
Injury or fire can occur if the voltage is not correct.
● Connect power supply cables and motor cables tightly.
WARNING
C
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