Emerson UVU-140A-AR user manual

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Copyright © 2001 Net Safety Monitoring INC.

Printed in Canada

This manual is provided for informational purposes only. Although the information contained in this manual is believed to be accurate, it could include technical inaccuracies or typographical errors. Changes are, therefore, periodically made to the information within this document and incorporated without notice into subsequent revisions of the manual. Net Safety Monitoring INC. assumes no responsibility for any errors that may be contained within this manual.

This manual is a guide for the use of a Unitized UV Fire Detector and the data and procedures contained within this document have been verified and are believed to be adequate for the intended use of the detector. If the detector or procedures are used for purposes other than as described in the manual without receiving prior confirmation of validity or suitability, Net Safety Monitoring Inc. does not guarantee the results and assumes no obligation or liability.

No part of this manual may be copied, disseminated or distributed without the express written consent of Net Safety Monitoring Inc.

Net Safety Monitoring Inc. products, are carefully designed and manufactured from high quality components and can be expected to provide many years of trouble free service. Each product is thoroughly tested, inspected and calibrated prior to shipment. Failures can occur which are beyond the control of the manufacturer. Failures can be minimized by adhering to the operating and maintenance instructions herein. Where the absolute greatest of reliability is required, redundancy should be designed into the system.

Net Safety Monitoring Inc., warrants its sensors and detectors against defective parts and workmanship for a period of 24 months from date of purchase and other electronic assemblies for 36 months from date of purchase.

No other warranties or liability, expressed or implied, will be honoured by Net Safety Monitoring INC

Contact Net Safety Monitoring Inc. or an authorized distributor for details.

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Contents UVU-140A and UVU-140-AR Unitized Ultraviolet Fire Detector Page Table of Contents Page Introduction FeaturesTechnical Information Spectral Sensitivity RangeSpecifications Operating Voltage Range 24Vdc nominal 10.5 to 32VdcApplications Response TimeMounting the Detector InstallationWhat’s in the package False Alarms Position and Density of DetectorsDetector with Swivel Mount Swivel Mount General Wiring Requirements Wiring Diagram for UVU-140-A If the 4-20 mA signal is System Sensitivity Detector SettingsCoil and Relay Settings Start UP and Test Start up ProcedureCheck Out Procedure Automatic vi TestTest Procedures Manual Check ProcedureManual vi Test Procedure Fire Condition Normal OperationNormal Operation Current & Relay Output ConditionsTroubleshooting MaintenanceRoutine Maintenance Cleaning Viewing Window and ReflectorDevice Repair and Return B lis h ed in Accordance with E1A standard Appendix B Common Ultra-Violet Absorbing Gases Appendix C Wire Resistance In Ohms