3 Product Overview
3.1 Intended Use
A drive system is a type of electronic motor controller that converts AC mains input into a variable AC waveform output.
The system then regulates the frequency and voltage of the output to control the motor speed or torque. This drive system
is designed by the installer, using the VLT
®
Parallel Drive Modules basic kit and any selected options kits. The basic kit is
composed of 2 or 4 drive modules and connecting hardware, and is UL 508 C compliant.
This drive system can be used in residential, industrial, and commercial environments, in accordance with local laws and
standards.
NOTICE
In a residential environment, this product can cause radio interference, in which case supplementary measures may be
required to mitigate the interference.
Foreseeable misuse
Do not use the drive system in applications that are not compliant with specied operating conditions and environments.
Ensure compliance with the conditions specied in chapter 7 Specications.
3.2 Drive System
The drive system is designed by the installer to meet specied power requirements, using the VLT
®
Parallel Drive Modules
basic kit and any selected options kits. The basic kit consists of connecting hardware and either 2 or 4 drive modules, which
are connected in parallel.
NOTICE
Illustration 3.1 shows a system using 4 drive modules. A system using 2 drive modules is similar, except for the
connecting hardware. Illustration 3.1 shows the busbar option kit. The installer can use other connection methods,
including locally manufactured busbars or electrical cables. The installer is responsible for the details of the drive
system construction, including connections and proper grounding.
Product Overview User Guide
MG37L202 Danfoss A/S © 08/2017 All rights reserved. 7
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