3M Occupational Health Environmental Safety Division | 3M GD-6

3M Occupational Health and
Environmental Safety Division
3M Center, Building 0235-02-W-70
St. Paul, MN 55144-1000
Printed in U.S.A.
© 3M 2008-2011. All rights reserved.
3M and Macurco are trademarks of 3M Company, used under license in Canada.	34-8707-5862-9

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3M GD-6 manual 3M Occupational Health Environmental Safety Division

Contents

Macurco Combustible Gas Detector, Controller and Transducer Table of Contents USE Instructions and Limitations General Safety Information General Information FeaturesSpecifications Installation and Operating Instructions LEL Installation Typical Connection to Alarm Control Panel Default Alarm Relay Configuration is Normally Open Power UpDefault Configuration Factory Settings Default Fan Relay Delay setting is 3 minutes Selecting Alarm Relay Configuration Arc Selecting Default Configuration dEFSelecting Power Up Test Option PUt Selecting Alarm Relay Setting ArS Maintenance Combustible Gas Test Contents of the FCKOperation Test Manual Operation Test Gas Testing Testing the Fan Relay Testing the Alarm RelayTesting the 4-20mA current loop Calibration Field Calibration ProcedureQuick Gas Test Zero the Sensor For other 3M products 3M Fixed GAS Detection Products Limited WarrantyFor More Information United States, contactPage 3M Occupational Health Environmental Safety Division Assumes full responsibility for its correctness Match Colors