INSTALLATION INSTRUCTIONS
AUTO/MANUAL SWITCH
Part No. 9481A
for KBAC Series Inverters with SIAC Signal Isolator (Part No. 9600)
This switch assembly is designed to operate with the following, or higher, Software Revision Codes:
KBAC-24D:
1.24,
KBAC-27D:
1.21,
KBAC-29:
1.03,
KBAC-45:
1.11,
KBAC-48:
1.34.
The software revision code is printed on the bottom right side of the 2.5” x 7/8” silver ratings label, which is located on the
top of the drive. The revision code is given in the format “XX/1.24”.
KB ELECTRONICS, INC.
12095 NW 39th Street, Coral Springs, FL 33065-2516 • (954) 346-4900 • Fax (954) 346-3377
Outside Florida Call
Toll Free
(800) 221-6570 •
www.kbelectronics.com
(A40123) – Rev. C – 1/2007
Sectional View of KBAC
CUR
J1
VOLT
C
J2
J5
TB
2
SIA
C
CO
M
FW
D
CO
N1
NC
OF
FS
ET
M
AX
J1
1
1
J1
0
2
VT
J9
CT
NO
RG
RE
V
50
Hz
CON1
CO
M
1
SIG
1
R
J8
F
J7
IN
J
A
60
Hz
2X
1X
FW
D
-5
V
OV
FI
X
J6
AD
J
E
D
CO
N3
CO
N2
DBM
NDBM
MIN
JOG
MAX
PWR
CL
BOOST
DECEL
ACCEL
M
+
5V
TB1
A
B
COMP
JOG
Auto/Manual Switch
Part No. 9481A
To Start/Stop Switch
To LED Board
To Main Speed
Potentiometer
(Layout of Model KBAC-24D
varies slightly.)
Gray (COM)
(Back View)
Green (FWD)
(Part No. 9600)
SIAC Signal Isolator
FIGURE 3 – KBAC WITH SIAC SIGNAL ISOLATOR & AUTO/MANUAL SWITCH CONNECTION DIAGRAM