INVT Goodrive300-01A Series Operation Manual page 27

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
Em erg en cy s to p
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 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.
Chapter 4 Commissioning instruction
R S T
RO1A
S1
RO1C
S2
RO2A
Cooling fan
S4
RO2C
Start/stop signal
S5
COM
A01
Analog
GND
COM output
Master VFD
PTA1
COM
GD300-01A
PTB1
485+
PTA2
485-
+24V
PTB2
GND
P1+
+24V
GND
P1-
485+
P2+
485-
CGND/PE
P2-
U V W
M
M ain m o to r
Po w er- freq ue nc y
tr an sfor m er
So le n o id c oi l
22 0 V
11 0 V
0V
S3
HMI
-22-
Commissioning instruction
PE
R
S
S1
COM
AI2
GND
RO1A
RO1C
485+
485-
485+
485-
R S T
Fan VFD
GD20
F an fau lt
U V W
M
Co oling fa n