3. Installation and Wiring
3-4
AC Power Input Type
SV300, 370iV5-2
SV300, 370, 450, 550, 750, 900, 1100, 1320, 1600, 2200, 2800, 3150, 3750iV5-4
Note: AC Fans for 300~2200iV5-4 series should be changed the input power source of transformer 1
st
tap
corresponding with that of inverter. (Factory default is 380VAC)
※ SIO terminal indication for SV2800~3750iV5: PE → PENT, GE → G24X
Note 1) It is used when inverter control circuit is energized from auxiliary power source (220 VAC) without main
power supply. Use insulated transformer to separate from main power supply. (Transformer capacity: above
100VA recommended)
Main Power Circuit
Control Circuit
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