ABB ACS320 - Page 6

ABB VARIABLE FREQUENCY DRIVES
RENEWAIRE.COM ABB VFD SUPPLEMENTAL MANUAL 1.800.627.44996
F2
FACTORY CONTROL WIRING: ON SIGNALS CONNECTED TO EACH VFD.
WIRING SCHEMATICS
INSTALLATION
See Fig. 1 for Relay or Damper Actuator
Connection alternatives.
DO NOT CONNECT POWER TO
TERMINALS 9-15 ON EITHER VFD
F3
ALTERNATIVE CONTROL WIRING: ON SIGNAL CONNECTED DIRECTLY
TO ONE VFD, PASSED TO SECOND VFD FROM TERMINALS 17 & 19.
9 10111215
8
7
6
5
4
3
2
1
AGND
A01
AGND
AI2
10V
AGND
AI1
SCR
VFD (FA)
9 10111215
8
7
6
5
4
3
2
1
AGND
A01
AGND
AI2
10V
AGND
AI1
SCR
VFD (EA)
17 19
PARAMETER SETTINGS - FA VFD
Parameter
Setting Parameter Description
1401 2 = RUN
Closes contact between 17 & 19 when
VFD is called to RUN.
Install these
wires -
FA VFD will turn
EA Blower ON
Close contact to
turn FA Blower ON
DO NOT CONNECT POWER TO
TERMINALS 9-15 ON EITHER VFD
NOTE: ERV may optionally have
only one VFD.
9 10111215
8
7
6
5
4
3
2
1
AGND
A01
AGND
AI2
10V
AGND
AI1
SCR
VFD (FA)
9 10111215
8
7
6
5
4
3
2
1
AGND
A01
AGND
AI2
10V
AGND
AI1
SCR
VFD (EA)