Raychem TraceTek TTDM-1 - User Manual

R
TraceTek
Long-Line and Zone
Leak Detection and Location Systems
Operation and Maintenance Manual
For TTDM-1, TTDM-2, and TTDM-24
Alarm and Locating Modules
Belgium
NV Raychem SA
Diestsesteenweg 692
3010 Kessel-Lo
Tel (32) 16/351-800
Fax (32) 16/351-797
Korea
Raychem Korea Limited
831-45 Yeuksam-Dong
Kangnam-Ku
Seoul 135-080
Tel (82) 2/ 3468-1300
Fax (82) 2/ 558-5765
United Kingdom
Raychem Ltd.
Faraday Road
Dorcan, Wiltshire SN3 5HH
Tel (44) 1793/ 572-663
Fax (44) 1793/ 572-189
United States
Raychem Corporation
300 Constitution Drive
Menlo Park, CA 94025-1164
Tel (800) 553-1737
(415) 361-4900
Fax (415) 361-3215
© 1995 Raychem Corporation Printed in USA H55472-L PCN 137021 3/97 TraceTek is a trademark of Raychem Corporation.
All information, including illustrations, is believed to be reliable. Users, however, should independently
evaluate the suitability of each product for their application. Raychem makes no warranties as to the
accuracy or completeness of the information, and disclaims any liability regarding its use. Raychem’s only
obligations are those in the Raychem Standard Terms and Conditions of Sale for this product, and in no
case will Raychem be liable for any incidental, indirect, or consequential damages arising from the sale,
resale, use, or misuse of the product. Specifications are subject to change without notice. In addition,
Raychem reserves the right to make changes—without notification to Buyer—to materials or processing
that do not affect compliance with any applicable specifications.
R

Summary

Identifying TTDM Features

External View

Describes the front panel components and indicators of the TTDM module.

Leak Detection System Overview

TraceTek Longline System

Describes the system for monitoring long lengths and wide areas using sensing cable.

TraceTek Zone System

Details the system for monitoring many separate locations from a single point.

Connecting to External Devices

Relay Outputs

4-20 mA Analog Output

Serial Communication Port

Understanding Basic TTDM Events

Event Icons and Status Indicators

LCD Display Information

Leak Detection and Location Events

Handling a Leak Event

Guides on silencing alarms, locating, clearing, and resetting after a leak is detected.

Service Events Management

Service Alarm Conditions

Explains the conditions triggering a service alarm and its associated signals.

Responding to Service Alarms

Details actions for silencing the alarm and clearing the sensing cable.

Fault Event Handling

Identifying Fault Conditions

Describes causes of fault alarms and how the module indicates them.

Remedying Fault Conditions

Provides steps to silence the alarm and resolve the underlying fault.

Managing Multiple and Moving Leaks

Detecting Sequential or Spreading Leaks

Explains how the TTDM indicates sequential or spreading leak events.

Advanced Leak and Service Scenarios

Additional Leak Detection

Service-to-Leak Event Transition

Accessing the Events History Log

Viewing Past Event Records

System Diagnostics and Status

Interpreting System Status Parameters

Details various real-time system status readings and their interpretations.

Modifying TTDM Settings

Password Entry and Settings Changes

Explains how to enter passwords and change module settings.

General and Leak Setting Configuration

Port Settings and Self-Tests

Appendix 3 - Maintenance Procedures

Investigating Leaks and Faults

Appendix 4 - Interface Details

Raychem TraceTek TTDM-1 Specifications

General

Brand	Raychem
Model	TraceTek TTDM-1
Category	Control Unit
Language	English