• Install the inverter before carrying out wiring connections.
• Ensure that no small metal debris, such as wire clippings, remain inside the inverter. Metal
debris in the inverter may cause inverter failure.
• Tighten terminal screws to their specified torque. Loose terminal block screws may allow
the cables to disconnect and cause a short circuit or inverter failure. Refer to page 555.
• Do not place heavy objects on top of electric cables. Heavy objects may damage the cable
and result in electric shock.
• Use cables with the largest cross-sectional area, appropriate for power terminal wiring, to
ensure that voltage drops do not exceed 2%.
• Use copper cables rated at 600 V, 75 ℃ for power terminal wiring.
• Use copper cables rated at 300 V, 75 ℃ for control terminal wiring.
• If you need to re-wire the terminals due to wiring-related faults, ensure that the inverter
keypad display is turned off and the charge lamp under the terminal cover is off before
working on wiring connections. The inverter may hold a high voltage electric charge long
after the power supply has been turned off.
• The accessible connections and parts listed below are of protective class 0. It means that the
protection of these circuits relies only upon basic insulation and becomes hazardous in the
event of a failure of the basic insulation. Therefore, devices connected to these circuits must
provide electrical-shock protection as if the device was connected to supply mains voltage.
In addition, during installation these parts must be considered, in relation with electrical-
shock, as supply mains voltage circuits.
[ Class 0 circuits]
MULTI FUNCTION INPUT : P1-P7, CM
ANALOG INPUT : VR, V1, I2, TI
ANALOG OUTPUT : AO1, AO2, TO
• CONTACT : Q1, EG, 24,A1, C1, B1, A2~5, C2~5, S+, S-, SG
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