Commissioning Instruction; Commissioning Instruction For The Dual-Vfd Air Compressor - INVT Goodrive300-01A Series Operation Manual

Goodrive300-01A series VFD for air compressor

4.1 Commissioning instruction for the dual-VFD air compressor

4.1.1 Wiring diagram of the dual-VFD air compressor system
R
S
T
PE
Emergency stop
Auxiliary temperature
PT100
Oil gas temperature
PT100
Discharge pressure
Auxiliary pressure
Figure 4-1 Wiring diagram of dual-VFD air compressor system
4.1.2 Commissioning steps for the dual-VFD air compressor
It is recommended to use touch screen for display and commissioning, and the commissioning steps
are shown below (if the controller used is made by other manufacturers, contact our technician for
details).
1. Perform wiring according to Figure 4.1 and ensure that the VFD for air compressor and the
housing of the air compressor are grounded properly.
2. After power up, the following page is displayed on the HMI.

4 Commissioning instruction

Solenoid coil
R T
S
RO1A
RO1C
RO2A
Cooling fan
start/stop signal
RO2C
A01
Analog
S1
output
GND
S3
S4
Master VFD
S2
S5
GD300-01A
COM
COM
COM
485+
485-
PTA1
+24V
GND
PTB1
PTA2
+24V
GND
PTB2
485+
485-
P1+
CGND/PE
P1-
+24V
P2+
GND
CN10
485+
P2-
485-
U V W
M
Main motor
Low-frequency
transformer
R
220V
110V
0V
S
485+
HMI
485-
Power detection
module
-18-
Commissioning instruction
PE
R S T
Fan VFD
GD100/GD10
S1
COM
AI2
GND
RO1A
Fan fault
RO1C
485+
485-
U V W
M
Cooling fan