ABB ACS320 Supplemental Manual page 6
Variable frequency drives in renewaire ventilators
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Also See for ACS320:
- User manual (442 pages) ,
- Installation instructions (4 pages) ,
- User manual (57 pages)
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INSTALLATION
WIRING SCHEMATICS
NOTE: ERV may optionally have
only one VFD.
6
RENEWAIRE.COM
ABB VFD SUPPLEMENTAL MANUAL
ABB VARIABLE FREQUENCY DRIVES
F2
FACTORY CONTROL WIRING: ON SIGNALS CONNECTED TO EACH VFD.
See Fig. 1 for Relay or Damper Actuator
Connection alternatives.
DO NOT CONNECT POWER TO
TERMINALS 9-15 ON EITHER VFD
ALTERNATIVE CONTROL WIRING: ON SIGNAL CONNECTED DIRECTLY
F3
TO ONE VFD, PASSED TO SECOND VFD FROM TERMINALS 17 & 19.
DO NOT CONNECT POWER TO
TERMINALS 9-15 ON EITHER VFD
PARAMETER SETTINGS - FA VFD
Setting
Parameter Description
Parameter
Closes contact between 17 & 19 when
1401
2 = RUN
VFD is called to RUN.
1.800.627.4499
9
9
Close contact to
turn FA Blower ON
1
SCR
2
AI1
3
AGND
4
10V
5
AI2
6
AGND
7
A01
8
AGND
10
11
12
15
1
SCR
2
AI1
3
AGND
4
10V
5
AI2
6
AGND
7
A01
8
AGND
10
11
12
15
1
SCR
2
AI1
3
AGND
4
10V
5
AI2
6
AGND
7
A01
8
AGND
9
10
11
12
15
17
19
Install these
wires -
FA VFD will turn
1
SCR
EA Blower ON
2
AI1
3
AGND
4
10V
5
AI2
6
AGND
7
A01
8
AGND
9
10
11
12
15
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