Figure 18 – motor horsepower selection – KB Electronics KBAC-48 User Manual
Page 18
18
6 SETTING SELECTABLE JUMPERS
The drive has customer selectable
jumpers which must be set before
the drive can be used. For the
location of jumpers, see Figure 2
on page 9.
WARNING! HIGH VOLTAGE
Disconnect the AC line
before changing position of
jumpers.
6.1 Line Input Voltage
Selection (J1) (Models
KBAC-24D, 27D Only) –
Jumper J1 is factory
installed on Terminal “230V” for 208/230 Volt AC line input.
For 115 Volt AC line input, the jumper must be removed and
installed on Terminal “115V”. See Figure 16.
Using pliers, gently rock the female terminal back and forth
while pulling it upward. See Figure 17.
6.2 Motor Horsepower Selection (J2) – Set Jumper J2 to
the corresponding position for the motor being used.
See Figure 18.
6.3 Automatic Ride-Through or Manual Start Selection (J3)*
Jumper J3 is factory set to the “A” position for Automatic
Ride-Through. If the power is interrupted for up to 2 seconds,
the drive will shut down and then “ride-through” and
automatically return to the set frequency.
If Jumper J3 is set to the “M” position, the drive will have to be manually restarted for a momentary
power loss using the Start/Stop Switch. See Figure 19 on page 19. Also see Section 12.2, on page
23, for the Status (ST) LED indication.
*On Model KBAC-24D, Jumper J3 is labeled “AUTO” and “MAN”.
Figure 18 – Motor Horsepower Selection
KBAC-24D
KBAC-27D
KBAC-29*
KBAC-29 (1P)*
KBAC-45*
KBAC-48*
J2
1
2**
A
3***
3
3
5
3/4
11/2**
B
2***
2
2
3
1/2
1
C
11/2
11/2
11/2
2
1/4
3/4
D
1
1
1
11/2
1/8
1/2
E
3/4
3/4
3/4
1
The factory setting is shown in bold.
*Jumper J2 on Models KBAC-29, 45, 48 is labeled “A”, “B”, “C”, “D”, “E”. **Model KBAC-27D is rated 11⁄2 HP maximum with 115 Volt AC line input
and 2 HP maximum with 208/230 Volt AC line input. ***Model KBAC-29 is rated 2 HP maximum with single-phase AC line input and 3 HP
maximum with 3-phase AC line input.
6.4 60 Hz and 50 Hz Motor Operation and Drive Output Frequency Selection (J4 and J5) – Both
jumpers must be set for the appropriate motor nameplate frequency rating.
6.4.1 Setting the Drive for 60 Hz or 50 Hz Motor Operation – The drive is factory set to operate
60 Hz motors. Jumper J4 is factory set to the “1X” position and Jumper J5 is factory set to the
“60Hz” position. For 50 Hz motors, set Jumper J5 to the “50Hz” position, and be sure Jumper
J4 is set to the “1X” position. See Figure 20 on page 19.
115V
J1
230V
J1
115V
230V
208/230 Volt AC Line Input
(Factory Setting)
(J1 Installed on Terminal “230V”)
115 Volt AC Line Input
(J1 Installed on Terminal “115V”)
Figure 16 – Models KBAC-24D*, 27D AC Line Input Voltage Selection
*Layout of Model KBAC-24D varies slightly.
Terminal
Installed
Removed
Terminal
Figure 17 – Removing Jumper J1
on Models KBAC-24D, 27D