KB Genesis KBAC Series User Manual

©2016 KB Electronics, Inc.
(see back cover)
Installation & Operation Manual
KBAC SERIES
Adjustable Frequency Drives for 3-Phase AC Motors
NEMA 4X / IP65
Variable Speed/Soft-Start AC Motor Drive
with Electronic Motor Overload Protection
1
Washdown and Watertight for Indoor and Outdoor Use
Rated for 208 – 230, and 400/460 Volt 50 & 60 Hz
3-Phase & PSC
2
AC Induction Motors from Subfractional thru 10 HP
Operates from 115, 208/230 and 400/460 Volt 50/60 Hz AC Line
3
This Manual Covers Models
KBAC-24D, 27D, 29, 29 (1P), 45, 48, 217, 217S, 217F, 217SF, 416, 416S, 416F, 416SF
Notes: 1. UL approved as an electronic overload protector for motors. 2. Special software
is available – contact our Sales Department. 3. GFCI Operation: Models KBAC-24D, 27D, 29,
29 (1P), 45, 48 require custom software – contact our Sales Department. The KBAC-217, 416
Series are jumper selectable (J12) for standard (G1) and sensitive (G2) GFCIs. 4. Installation
of a CE approved RFI lter is required.
The information contained in this manual is intended to be accurate. However, the manufacturer retains
the right to make changes in design which may not be included herein.
NOTE: THE DRIVE IS FACTORY SET FOR
60 Hz MOTORS. FOR 50 Hz MOTORS, SEE
SECTION 6.4 ON PAGE 24.
See Safety Warning
on Page 6.
4
AC MOTOR SPEED CONTROL
KBAC SERIES • NEMA 4X / IP 65
Hybrid Drive
™
AC MOTOR SPEED CONTROL
KBAC SERIES • NEMA 4X / IP 65
Hybrid Drive
™
KBAC SERIES • NEMA 4X / IP65
AC MOTOR SPEED CONTROL
Hybrid Drive
™

KB Genesis KBAC Series Specifications

General

Category	DC Drives
Series	KBAC
Input Voltage	115/230 VAC
Output Voltage	0-90V DC
Enclosure	NEMA 1
Features	Adjustable Trimpots, Current Limit
Speed Regulation	1% of Base Speed
Operating Temperature	0°C to 40°C (32°F to 104°F)
Relative Humidity	95% Non-Condensing

Summary

QUICK-START INSTRUCTIONS

Reconditioning Bus Capacitors

AC Line Input Connection

Instructions for wiring the AC Line input to Terminal Block TB1.

SAFETY WARNING

Hazard Symbols and Warnings

Electrical and operational hazard symbols and their meanings.

Installation and Service Requirements

Mandates qualified personnel for installation, grounding, and shielding.

TRIMPOT ADJUSTMENTS

IMPORTANT APPLICATION INFORMATION

Motor Cooling and Speed Limitations

Electronic Motor Overload Protection

Explains the drive's I²t overload protection and Current Limit (CL) circuit.

WIRING INSTRUCTIONS

General Wiring Precautions and Guidelines

Safety precautions, avoiding wire bundling, using shielded cables, and conduit use.

Terminal Block Connections and Integrity

Instructions for AC Line input, motor, Run/Fault relay contacts, and maintaining liquidtight seal.

SETTING SELECTABLE JUMPERS

Input Voltage and Motor HP Settings

RECOMMENDED HIGH VOLTAGE DIELECTRIC WITHSTAND TESTING (HI-POT TESTING)

Hi-Pot Test Procedure and Setup

DRIVE OPERATION

Start-Up and Fault Restart Procedures

Steps for initial start-up and restarting the drive after faults.

AC LINE FUSING