Contents
Hardware Instructions ..................................................................................... 8
Overview ................................................................................................................... 8
QUALITROL

509 Series Intelligent Transformer Monitor ............................................... 8
About Qualitrol ................................................................. Error! Bookmark not defined.
About These Hardware Instructions ................................................................................ 9
Controls, Indicators, and Modules ........................................................................ 10
Front Panel ................................................................................................................... 10
Modules ........................................................................................................................ 11
RTD Input Module ................................................................................................... 11
CT Input Module ..................................................................................................... 11
AC Voltage Input Module ........................................................................................ 11
Tap Position Input Module (509ITM-300) ................................................................ 12
Potentiometer Input Module .................................................................................... 12
DC Voltage Input Module ........................................................................................ 12
Current Input Module .............................................................................................. 12
Dry Contact Closure Module ................................................................................... 12
Powered Contact Closure Module ........................................................................... 13
Installation .............................................................................................................. 14
Location and Mounting.................................................................................................. 14
Installing the Hardware ........................................................................................... 14
Mounting Styles ...................................................................................................... 17
Power Supply ............................................................................................................... 19
Heater Option ............................................................................................................... 21
RTD Input Modules ....................................................................................................... 21
CT Input Module ........................................................................................................... 22
AC Voltage Input Module .............................................................................................. 22
Tap Position Input Module (509ITM-300) ...................................................................... 23
Potentiometer Input Module .......................................................................................... 24
DC Voltage Input Module .............................................................................................. 24
Current Input Module .................................................................................................... 25
Dry Contact Closure Input Module ................................................................................ 27
Powered Contact Closure Input Module ........................................................................ 27