INVT Goodrive300-01A Series, Operation Manual, Page: 27 / 175

Goodrive300-01A series VFD for air compressor Commissioning instruction
-22-
Chapter 4 Commissioning instruction
4.1 Commissioning instruction for the dual-VFD air compressor
4.1.1 Wiring diagram of the dual-VFD air compressor system
Oil gas temperature PT100
485-
485+
M
W V U
T S R
M
W V
485+
485-
RO1C
RO1A
COM
COM
S3
A01
GND
RO2C
RO2A
RO1C
T S
PE
T
S
Fan VFD
Wir
e
less
d
a
ta
co
lle
ct
io
n
te
rm
in
al
HMI
F an fau lt
Analog
output
Start/stop signal
Cooling fan
PE
M ain m o to r
U
GD20
GND
AI2
S1
COM
C o oling fa n
+24V
GND
485-
485+
CGND/PE
+24V
GND
485-
485+
Auxiliary temperature PT100
PTA2
PTB2
Auxiliary pressure
Discharge pressure
Po w er- freq ue nc y
tr an sfor m er
S
R
0V
11 0 V
22 0 V
So le n o id c oi l
RO1A
P2+
P2-
P1+
P1-
PTA1
PTB1
Em erg en cy s to p
S1
S2
S4
S5
COM
GD300-01A
R
Master V FD
R
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 TC070A touch screen for display and commissioning.
Note :

If you use a controller from another manufacturer, contact INVT technical support.

All the parameters displayed in the interfaces and are subject to actual displayed content.
The commissioning steps are as follows:
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 interface is displayed.