INVT GD270-090-4 - Page 127

Goodrive270 series VFD for fan and pump Basic operation guidelines
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VFD
R S T
U V W
RO1A RO1C RO3A RO3CRO2A RO2C RO4A RO4C
L1 L2 L3
L
2
N
KM1
KM3
KM5
KM7
Variable-frequency run
indicator of No.1 pump
Variable-frequency run
indicator of No.2 pump
Variable-frequency run
indicator of No.3 pump
Variable-frequency run
indicator of No.4 pump
Stop
Auto Manual
KA1
KA1
RO1A RO1C
KA1
SB1
FR1
Power-frequency
run indicator of
No.1 pump
KM1
KM2
KM2
KM1
KM3 KM5 KM7
KM3
KM2
KA1
RO2A RO2C
KA1
SB2
FR2
Power-frequency
run indicator of
No.2 pump
KM3
KM4
KM4
KM3
KM1 KM5 KM7
KM5
KM4
KA1
RO4A RO4C
KA1
SB4
FR4
Power-frequency
run indicator of
No.4 pump
KM7
KM8
KM8
KM7
KM1 KM3 KM5
KM8
KM1
KA1 RO3A RO3C
KA1
SB3
FR3
Power-frequency
run indicator of
No.3 pump
KM5
KM6
KM6
KM5
KM1 KM3 KM7
KM7
KM6
No.4 pump
start switch
No.3 pump
start switch
No.2 pump
start switch
No.1 pump
start switch
Figure 5±7 Control circuit wiring diagram