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MV & LV SERIES ENGINEERED DRY CHEMICAL FIRE EXTINGUISHING SYSTEM
OPERATION, DESIGN, & SERVICE MANUAL
REV C
Document # DOC324
Issued: April 26, 2018
Revised: March 22, 2022
UL FILE # EX27541
Preface
This manual is intended for use with the Janus Fire Systems® Mv Series and Lv Series Engineered Dry Chemical
Fire Extinguishing Systems. Those who install, operate, design, or service these systems should read this entire
manual.
All design, implementation, and maintenance of the Janus Fire Systems® Engineered Dry Chemical Fire
Extinguishing Systems must be performed in compliance with the National Fire Protection Association (NFPA) 17 -
Standard for Dry Chemical Extinguishing Systems, NFPA 33 - Standard for Spray Application Using Flammable or
Combustible Materials, NFPA 70 - The National Electrical Code, NFPA 72 - The National Fire Alarm Code, and the
guidelines outlined in this manual.
AllsystemdesignsareperformedinconjunctionwiththeJanusDesignSuite®hydraulicowcalculationsoftware
and in compliance with the Janus Design Suite® Dry Chemical Flow Calculation Software Manual DOC327.
Janus Fire Systems® reserves the right to revise and improve its products as it deems necessary without prior
notication.ThismanualdescribesthestateofJanusFireSystems®productsatthetimeofitspublicationandmay
notreectthoseproductsatalltimesinthefuture.
All references to Codes or Standards in this manual refer to the latest edition of that Code or Standard unless
otherwise indicated.
Compressed gases shall be handled and used only by persons properly trained in accordance with Compressed
Gas Association, Inc. (CGA) pamphlets C-1, C-6, and P-1.
CGA pamphlets are published by the Compressed Gas Association Inc. (www.cganet.com).
The contents of this manual may not be reproduced in any form without the express written consent of Janus Fire
Systems®.
Copyright © 2018 Janus Fire Systems. All Rights Reserved.
Janus Fire Systems® and Janus Design Suite® are registered trademarks of Janus Fire Systems.
Janus Fire Systems
1102 Rupcich Drive
Millennium Park
Crown Point, IN 46307
TEL: (219) 663-1600 FAX: (219) 663-4562
e-mail:info@janusresystems.com·www.janusresystems.com
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