User Guide

*Note: On Model
KBVF-26D, Jumper J1 is
labeled “115VAC” and
“230VAC”.
9.2 Ground Connection –
Connect the ground wire
(earth) to the green
ground screw. The
ground screw is located
on the heat sink. See
Figure 16.
Note: Model KBVF-21D,
due to its double insulat-
ed design, does not con-
tain a ground screw.
9.3 Motor Connection – Wire the motor to Terminals “U”, “V”, “W”. The terminals are located on
the upper PC board. See Figure 16. Motor cable length should not exceed 100 ft. (30 m) –
special reactors may be required – consult our Sales Department.
Note: The drive is programmed to operate 3-phase AC induction motors. For PSC motors,
optional software is required – contact our Sales Department.
9.4 Main Speed Potentiometer Connection – The drive is supplied with a 5 kΩ Main Speed
Potentiometer to control motor speed. Wire the Main Speed Potentiometer to Terminals “P1”
(low), “P2” (wiper), “P3” (high). The terminals are located on the lower PC board. See Figure
17, on page 32.
31
Ground (Earth)
Chassis
Motor
Single-Phase, 50/60 Hz
115, 208/230 Volt *
AC Line Input
U V
MOTOR
W
AC LINE
L1 L2
FIGURE 16 – AC LINE INPUT, MOTOR, & GROUND CONNECTIONS