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Qualitrol 118 ITM-P User Manual

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www.qualitrolcorp.com
118 ITM Series
118 ITM
Intelligent Transformer Monitor
for Dry Transformers
Instruction Manual
Document ID: IST-102-1 ECN-31737
Courtesy of NationalSwitchgear.com
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Qualitrol 118 ITM-P Specifications

General IconGeneral
BrandQualitrol
Model118 ITM-P
CategoryMonitor
LanguageEnglish

Summary

Overview

1.1. QUALITROL Intelligent Transformer Monitor

Monitors up to three thermocouples, displays winding temperatures, and operates relays based on setpoints.

Installation and Wiring

2.1. Mounting of the Transformer Monitor

Details mounting the 118 ITM in a rectangular cutout for panel or hinge mount secured by four ½" bolts.

2.3. Sensors

Connects three type K thermocouples to TB4 terminals; unused terminals must be shorted.

Functional Specifications

Setup Software

5.1. Installation for Window XP

Step-by-step guide for installing the ITM Configuration software and required USB driver on Windows XP.

5.3. Configuration

User-configurable parameters include active channels, setpoints, differentials, failsafe modes, Fan Exerciser, and analog output.

Appendix A – Manual Set Point Adjustment

Appendix B – Thermocouple Accuracy

Appendix C – Error Codes

Appendix G – Modbus Communications

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