TCI KMG - Manual (Page 7)

7
Introduction
Thank you for selecting the KMG MotorGuard High Performance Output Filter. TCI has produced this
filter for use in many PWM variable frequency drive (VFD) applications that require low distortion
sine wave output power. This manual describes how to install, operate, and maintain the MotorGuard
filter.
Intended Audience
This manual is intended for use by all personnel responsible for the installation, operation, and
maintenance of the MotorGuard. Such personnel are expected to have knowledge of electrical wiring
practices, electronic components, and electrical schematic symbols.
Additional Information
Caution This manual provides general information describing your MotorGuard filter. More specific
information is provided by the drawings shipped with the unit. Be sure to carefully review the
information provided by these drawings. Information provided by the drawings shipped with the unit
takes precedence over the information provided in this manual.
Installation Checklist
The following are the key points to be followed for a successful installation. These points are
explained in detail in the following sections of this manual.
Make sure that the installation location will not be exposed to direct sunlight, corrosive or
combustible airborne contaminants, excessive dirt, or liquids.
Select a mounting area that will allow adequate cooling air and maintenance access.
Make sure that all wiring conforms to the requirements of the National Electric Code (NEC)
and/or other applicable electrical codes.
Connect the MotorGuard equipment grounding lug to the system ground of the premises wiring
system. Use a properly sized grounding conductor.
Wire the output power terminals of the VFD, T1(U), T2(V), & T3(W) to the input terminals of
the MotorGuard, U, V, & W.
Wire the output power terminals, of the MotorGuard, T1, T2, & T3 to the motor.
Connect control power to the MotorGuard.
For monitor board option: Connect the MotorGuard fault relay contact to the appropriate fault
monitoring circuit.
Check the MotorGuard configuration settings to ensure proper voltage is selected.
Make sure that the VFD is set for operating modes and ranges that are compatible with the
MotorGuard.
Check everything thoroughly before operating the equipment.