Specifications

Chapter 3 Mechanical and Electrical InstallationVFD‐G7 Series Frequency Inverter
Operation Manual
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33
P、(+)
Add reactor wiring
terminals outside
Add reactor connect point outside
U、V、W
The frequency inverter
output terminals
Connect 3-phase motor
Earth terminal Earth terminal
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2) WiringNotes:
A. InputPowerR、S、T：
Thefrequencyinverter'sinputsidewiringisnotrequirementsinphaseorder.
B. DCbusterminals(+),(‐)
☞Notice：Wiringcanonlybe doneafter the drive’sAC power is cutoff, then waiting
foratleast5minsandconfirmingthevoltagebetweenDCbusterminalsplusandminus
isbelowDC36V.
When choosing external braking kits more than 15KW for
frequency inverter, do not
mistaketheterminals(+),(‐),otherwise,canleadtothedrivedamageandfire.
When the cables from the frequency inverter to motor are longer than 10m,
multi‐strandedcablesorclosetwo‐laneparallelwiringshouldbeused.
Brakingresistorcannotbedirectlyconnectedto
theDCbus,otherwise,causetherisk
ofthedrivedamageandfire.
C. Brakeresistorterminals(+),PB:
Lessthan11KW,afterconfirmingthedriveshavebuilt‐inbrakekits,thebrakingresistor
terminalsareeffective.
Selection ofbraking resistor should refer to therecommended value, and wiring
distanceshouldbelessthan5m.soastoreducetheriskofthedrivedamage.
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D. AddreactorconnectterminaloutsideP,(+):
G37/P45kW～G400/P450kW frequency inverter, adding reactor outside，remove the