motortronics VMX Series - Default Chapter; Table of Contents

Basic Installation and Operation Guide
VMX Series Digital Solid State Soft Starters 18 – 1250A
VMX Quick Setup Guide 2 | P a g e
Table of Contents
Quick Start “Minimum Settings” Guide .................................................................................................. 4
Chapter 1: Introduction ............................................................................................................................. 5
General Description, Sizes and Ratings ....................................................................................................... 5
Dimensions and Weights ............................................................................................................................. 6
Chapter 2: Installation ............................................................................................................................... 8
Receiving, Unpacking and Inspection .......................................................................................................... 8
SERVICE WARNING! .................................................................................................................................. 8
Mounting Clearances and Cleaning ............................................................................................................. 8
Electrical Connections ................................................................................................................................. 9
Power Connections ..................................................................................................................................... 9
Bypass Contactor ........................................................................................................................................ 9
Power Factor Correction Capacitors ............................................................................................................ 9
Power Terminals ....................................................................................................................................... 10
Remote Keypad Mounting ......................................................................................................................... 10
Control Connections .................................................................................................................................. 11
AC Control Power Supply Connection ....................................................................................................... 11
Control Fusing ........................................................................................................................................... 12
Three-Wire Control Connection ................................................................................................................. 12
Seal In Contact .......................................................................................................................................... 12
Two Wire Control: Relay / PLC Connection ............................................................................................... 12
Interlock Connection .................................................................................................................................. 12
PTC Thermistor Input ................................................................................................................................ 13
Fault Signal ............................................................................................................................................... 13
Dual Ramp and Jog Features .................................................................................................................... 14
Jog / Remote Command ............................................................................................................................ 14
Output (Auxiliary) Relay Contacts .............................................................................................................. 15
Bypass Contactor Control .......................................................................................................................... 15
Chapter 3: Sequence of Operation ......................................................................................................... 17
Starting and Stopping ................................................................................................................................ 17