INVT Goodrive300-01A Series Operation Manual page 34

Goodrive300-01A series VFD for air compressor
10. After adjusting user parameters, factory parameters and maintenance parameters according to
the manual, return to Workspace interface and click Start to run.
4.2 Commissioning guidance for single-VFD air compressor
4.2.1 Wiring diagram for single-VFD air compressor system
R
S
T
PE
Emergency stop
Motor overtemperature
Auxiliary
temperature
PT100
Oil gas
temperature
PT100
Discharge
pressure
Auxiliary
pressure
Figure 4-14 Wiring diagram for single-VFD air compressor system
Figure 4-13 Running information interface
R S T
RO1A
RO1C
RO2C
RO2A
S1
S2
S4
S5
Ia
COM
Ib
COM
Master V F D
Ic
GD 300-0 1A
PTA1
COM
PTB1
S3
PTA2
PTB2 485+
485-
P1+
+24V
GND
P1-
+24V
P2+
GND
P2-
485+
485-
CGND/PE
U U V W
M
Main motor
Power-frequency
transformer
So len oid c o il
22 0V
R
C on tr ac tor c oi l
11 0V
S
KM
0V
Fan fault
FR
Current transformer used to
protect motor overload
48 5 +
48 5 -
HM I
-29-
Commissioning instruction
KM
M
Cooling fan
Thermal relay used to protect
motor overload (Backup plan)
KM
FR
M
Cooling fan