Installation, Operation & Maintenance Instruction …

1 DEMKO 12 ATEX 1204081X II 2 G Ex d IIB T5 Gb II 2 D Ex tb IIIC T100 C Db IP66 IECEx UL Ex d IIB T5 Gb Ex tb IIIC T100 C Db IP66 Bulletin: IOM-PUL-1007 Rev D Installation, Operation & Maintenance Instruction Models: Pulsa/Pulsar PULSA larm LEAK DETECTION 2 Pulsafeeder Factory Service Policy Should you experience a problem with your Pulsafeeder pump, first consult the troubleshooting guide in your Operation and Maintenance manual. If the problem is not covered or cannot be solved, please contact your local Pulsafeeder Sales Representative, or Technical Services Department for further assistance.

2 Trained individuals are available to diagnose your problem and arrange a solution. Solutions may include purchasing a replacement unit or returning the PUlsalarm to the factory for inspection and repair. All returns require a Return Material Authorization ( ) number to be issued by Pulsafeeder. Parts purchased to correct a warranty issue may be credited after examination of the original parts by Pulsafeeder personnel. Parts returned for warranty considerations which are good will be sent back freight collect. Any field modifications will void the warranty.

3 Out-of-warranty repairs will be subject to Pulsafeeder's standard bench fees and testing costs associated with replacement components. This document describes product features controlled by IECEx / ATEX requirements. Those features, and this document, cannot be changed without notification or approval of the appropriate agency. Copyright Copyright 2006 - 2015 Pulsafeeder, Inc. All rights reserved. Information in this document is subject to change without notice. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or any means electronic or mechanical, including photocopying and recording for any purpose other than the purchaser s personal use without the written permission of Pulsafeeder.

4 3 Safety Considerations: Read and understand all related instructions and documentation before attempting to install or maintain this equipment Observe all special instructions, notes, and cautions. Act with care and exercise good common sense and judgment during all installation, adjustment, and Maintenance procedures. Ensure that all safety and work procedures and standards that are applicable to your company and facility are followed during the installation, Maintenance , and Operation of this equipment. 4-27-2007 Rev B change material references to PTFE 4-7-2015 Rev C Remove references to PULSA larm Vacuum offering.

5 Add ATEX and IECEx information, general updates. 3-3-2016 Modify temperature and code information on front and back cover only. Notice Information and specifications in this document are subject to change without notice. Trademarks Pulsa Series and PULSA larm are registered trademarks of Pulsafeeder, Inc. 4 Table of Contents Contents Conventions .. 5 Introduction .. 6 Foreword .. 6 ATEX / IECEx Nameplate and Marking .. 7 Description and Theory of Operation .. 9 PULSA larm Reagent Head .. 10 PULSA larm Leak Detection Diaphragm.

6 10 Diaphragm Construction .. 11 Electrical .. 12 Setup for Pressure .. 10 Pressure fill chamber .. 14 Maintenance .. 16 Switch Setpoint Adjustment .. 16 PULSA larm Diaphragm Maintenance .. 17 PULSA larm Diaphragm Removal .. 17 Inspection .. 18 PULSA larm Diaphragm Reinstallation .. 18 5 Conventions For the remainder of this bulletin, the following conventions are in effect. A WARNING DEFINES A CONDITION THAT COULD CAUSE DAMAGE TO BOTH THE EQUIPMENT AND THE PERSONNEL OPERATING IT. THIS MANUAL MUST BE CONSULTED IN ALL CASES WHERE THE WARNING SYMBOL IS MARKED IN ORDER TO FIND OUT THE NATURE OF THE POTENTIAL HAZARDS AND ANY ACTIONS WHICH HAVE TO BE TAKEN TO AVOID THEM.

7 CAUTION, POSSIBILITY OF ELECTRIC SHOCK Notes are general information meant to make operating the equipment easier. For information on overall pump Operation and Maintenance , refer to the Installation, Operation , and Maintenance manual specific to the model of pump in question. The information in this bulletin pertains only to the PULSA larm leak detection system supplied as an option on Pulsafeeder PULSA/PULSAR Series pumps Tips have been included within this bulletin to help the operator run the equipment in the most efficient manner possible.

8 These Tips are drawn from the knowledge and experience of our staff engineers, and input from the field. 6 Introduction The PULSA larm is a microprocessor based stroke length control device for use with the PULSA diaphragm-metering pump. It has been designed to operate in a variety of industrial environments. Foreword The pumps to which these instructions refer to are designed for use in industrial areas and therefore cannot be treated as retail products. The present documentation gives instructions to be used by qualified personnel only.

9 It must be used in compliance with the regulations, laws and technical standards in force and cannot, under any circumstances, take the place of plant standard or additional regulations, including any which are not legally enforceable, which have been issued with the scope of ensuring safety. Equipment with special manufacturing or constructive variances may differ in details with respect to this description. In case of any difficulty, please contact PULSAFEEDER, INC. Technical Service. The PULSA larm is rated for NEMA 7 locations as identified on the nameplate.

10 The PULSA larm complies with both ATEX and IEC IECEx standards. The following standards apply to this product: IEC 60079-0 6th Edition IEC 60079-1 6th Edition IEC 60079-31 1st Edition EN 60079-0:2012+A11:2013 EN 60079-1:2007 EN 60079-31:2009 7 ATEX / IECEx Nameplate and Marking All pumps bear a standard rating nameplate on which it is possible to read, apart from functional data, all data required for universal identification. Conduit connections Conduit connections can carry fluids and vapors into the PULSA larm causing damage and void the warranty.