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BACHARACH MGS-401 User Manual 

 

 

WARRANTY POLICY

 

MSA Bacharach, Inc. warrants to buyer that at the time of delivery this product will be free from defects in material 

and manufacture and will conform substantially to MSA Bacharach, Inc.’s applicable specifications. MSA Bacharach’s 

liability and buyer’s remedy under this warranty are limited to the repair or replacement, at MSA Bacharach’s option, 

of this product or parts thereof returned to seller at the factory of manufacture and shown to MSA Bacharach, Inc.’s 

reasonable satisfaction to have been defective; provided that written notice of the defect shall have been given by 

buyer to MSA Bacharach, Inc. within one (1) year after the date of delivery of this product by MSA Bacharach, Inc.

 

MSA Bacharach, Inc. warrants to buyer that it will convey good title to this product. MSA Bacharach’s liability and buyer’s 

remedy under this warranty of title are limited to the removal of any title defects or, at the election of MSA Bacharach, 

to the replacement of this product or parts thereof that are defective in title.

 

THE FOREGOING WARRANTIES ARE EXCLUSIVE AND ARE GIVEN AND ACCEPTED IN LIEU  OF  (I)  ANY  AND  ALL OTHER 

WARRANTIES,  EXPRESS  OR  IMPLIED,  INCLUDING  WITHOUT  LIMITATION  THE  IMPLIED  WARRANTIES  OF 

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE: AND (II) ANY OBLIGATION, LIABILITY, RIGHT, CLAIM 

OR REMEDY IN CONTRACT OR TORT, WHETHER OR NOT ARISING FROM MS A  BACHARACH’S NEGLIGENCE, ACTUAL 

OR

 

IMPLIED. The remedies of the buyer shall be limited to those provided herein to the exclusion of any and all other 

remedies including, without limitation incidental or consequential damages. No agreement varying or extending the 

foregoing warranties, remedies or this limitation will be binding upon MSA Bacharach, Inc. unless in writing, signed 

by a duly authorized officer of MSA Bacharach.

 

Register  Your  Warranty  by  Visiting: 

www.mybacharach.com

 

SERVICE POLICY

 

MSA Bacharach, Inc. maintains a service facility at the factory. Some MSA Bacharach distributors / agents may also 

have repair facilities; however, MSA Bacharach assumes no liability for service performed by anyone other than MSA 

Bacharach personnel. Repairs are warranted for 90-days after date of shipment (sensors, pumps, filters and batteries 

have individual warranties). Should your instrument require non-warranty repair, you may contact the distributor 

from whom it was purchased, or you may contact MSA Bacharach directly.

 

If MSA Bacharach is to do the repair work, send the instrument, prepaid, to the closest service center. Prior to shipping 

equipment to MSA Bacharach, visit www.mybacharach.com for a Returned Merchandise Authorization Number ( #). 

All returned goods must be accompanied by a RMA #. Pack the equipment securely (in its original packing, if possible), 

as MSA Bacharach cannot be held responsible for any damage incurred during shipping to our facility. Always include 

your RMA #, shipping address, telephone number, contact name, billing information and a description of the defect 

as you perceive it. You will be contacted with a cost estimate for expected repairs prior to the performance of any 

service work. For liability reasons, MSA Bacharach has a policy of performing all needed repairs to restore the monitor 

to full operating condition.

 

NOTICES

 

Product improvements and enhancements are on-going, therefore the specifications and information contained in

 

this document may change without notice.

 

MSA Bacharach, Inc. shall not be liable for errors contained herein or for incidental or consequential damages in 

connection with the furnishing, performance, or use of this material.

 

No part of this document may be photocopied, reproduced, or translated to another language without the prior 

written consent of MSA Bacharach, Inc.

 

 

Copyright  ©  2021,  MSA Bacharach,  Inc.,  All  Rights  Reserved.

 

BACHARACH  is  a  registered  trademark  of  Bacharach,  Inc.  All  other  trademarks,  trade  names,  service  marks  and  logos  referenced  herein  belong  to 

their respective companies.

 

 

 

Summary of Contents for BACHARACH MGS-401

Page 1: ...BACHARACH MGS 401 Entrance Monitor for Commercial Industrial Applications FixedGasDetection P N 1100 2527 Revision 1 0 User Manual...

Page 2: ...arach com SERVICE POLICY MSA Bacharach Inc maintains a service facility at the factory Some MSA Bacharach distributors agents may also have repairfacilities however MSA Bacharach assumes no liability...

Page 3: ...s of this manual for important information on the operation and maintenance of the instrument 1 2 Conventions 1 2 1 Iconography Alert Icon Description WARNING Potentially hazardous situation which if...

Page 4: ...r applications Make sure the device is not located in areas that contain a flammable mixture of gas and air Otherwise an explosion can occur The device is not intrinsically safe Do not use the device...

Page 5: ...Entrance Monitor is but one piece of a complete gas detection system MGS 400 Series Gas detectors in the monitored area can signal via digital bus relays and or audible and visual output The digital M...

Page 6: ...ltitude 6560 ft 2000 M Communications RS485 Modbus RTU Client for Gas Detectors RS485 Modbus RTU Server for BMS Visual Audible Signals Integrated high output visual strobe Integrated high output audib...

Page 7: ...01 User Manual 2 4 Front Panel Figure 2 4 Front Panel Layout Front Panel Description 1 Integrated visual alarm in bezel 2 Controller Power Fault LEDS 3 Mute alarm button 4 80dB Alarm 5 NPT Cable Gland...

Page 8: ...igure 2 5 MGS 401 Under Lid Connections and Configuration Component Description 1 24VAC DC Input Output 2 Modbus to Gas Detectors 3 Modbus to BMS 4 Remote Silence Alarm Input 5 Forced Alarm Input 6 Au...

Page 9: ...he area where the MGS family gas detection instrument s is installed Failure to follow these warnings can result in serious bodily injury or death 3 2 Preliminary Inspection The MGS 401 Entrance Monit...

Page 10: ...r conductors used to supply mains meet all local electrical safety codes Failure to follow these warnings can result in serious bodily injury or death Locate the 24VAC DC power input terminal block It...

Page 11: ...y be connected is a normally open connection The pushbutton in a remote location is used for personnel to silence the audible alarm momentarily with visual alarms still activated The audible alarm wil...

Page 12: ...ed to configure the BMS Modbus Server settings when use with higher level controls Please refer to Modbus best practice when making these choices It is important ALL of the following instrument settin...

Page 13: ...bus Termination Please refer to Modbus best practice when making these choice The default is Not Enabled or OFF 2 Bank 2 Switches 2 and 3 are used to configure the number of sensors the MGS 401 is exp...

Page 14: ...6 Hex Head screws in and X pattern from top left to lower right upper right to lower left and then the remaining center top and bottom screws Torque all screws to 15 to 20 lbf in 1 5 to 2 0 Nm 5 Powe...

Page 15: ...system the MGS 401 Entrance Monitor will display that information on the LCD and respond with audible and visual alarms configured relay response and other countermeasures that are connected or config...

Page 16: ...ing the Silence button on the MGS 401 front panel 3 consecutive times within 3 seconds The System screen will show some of the configuration of the MGS401 In addition it will display any MGS 401 Fault...

Page 17: ...BACHARACH MGS 401 User Manual 7 Modbus Map...

Page 18: ...BACHARACH MGS 401 User Manual...

Page 19: ...mpanied by an RMA Pack the equipment securely in its original packing if possible as MSA Bacharach cannot be held responsible for any damage incurredduring shipping to our facility Location Contact In...

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