Bacharach HGM-MZ, AGM-MZ, CO2-MZ Owner's Manual
UL 61010-1
Product Leadership • Trai ni ng • Service • Reli ability
MultiZone Gas Monitors
• HGM-MZ (H alogen)
• AGM-MZ (Ammonia)
• CO2-MZ (Carbon Dioxide)
Installation • Operation • Maintenance
CA N/CS A 22 .2 No. 61010.1
EN 14624
Instruction P/N: 3015-5074
Rev. 11
August 2013
Multi-Z one Gas Monitor s
WARRANTY
Bachar ach, Inc . warr ants to B uyer t hat at t he tim e of delive ry t hi s P roduc t wil l be fr ee from defect s in
material and manuf act ure and wil l conf orm subs tantial l y t o B acharac h Inc .’ s appl i cabl e s peci ficat i ons.
Bachar ach’ s li abi l i t y and B uyer’s rem edy under t hi s warr anty ar e l i m i ted t o t he repair or replacem ent, at
Bachar ach’ s opt i on, of t hi s P roduct or part s t hereof r eturned t o Sell er at the fac t ory of manufact ure and
shown t o Bac harach I nc. ’ s reas onabl e sat i sf act i on to have been defec t ive; provided that writt en notice of
the defec t shal l have been given by B uyer t o B acharac h Inc . within two (2) years aft er t he date o f delivery
of this P roduc t by Bac harach, Inc .
Bachar ach, Inc . warr ants to B uyer t hat i t wil l convey goo d title to t hi s P roduc t. B acharach’s li abi l i ty and
Buyer’s remedy under t hi s warranty o f t i t l e are l i m i t ed to t he remo val of any t i tle defec ts or, at the elect i on
of Bac harach, t o the replacem ent of thi s P roduc t or part s t hereof that ar e defec t ive in t i t l e.
The w arrant y set fo rt h i n Paragraph 1 does not appl y to part s t hat t he Operating Ins truc tions designate as
ha ving a l i m i t ed shelf-li fe or as bei ng expended i n normal us e (e.g. , filters ).
THE F ORE GOI NG WARRANTIES ARE EXCLUSIV E AND ARE GIVEN AND ACCE PTED IN LIE U O F (I)
ANY A ND ALL OTHE R WARRANT IE S, EXP RES S O R IMPLIED, I NCL UDING WITHOUT LIMITAT IO N
THE IM PLIED WA RRANT IES O F M ERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE: AND (II) ANY OBLIGATION, LIABILITY, RIGHT, CLAIM OR REMEDY IN CONTRACT OR
TORT, WHET HER OR NOT ARIS ING FROM BACHARACH’S NE GLI GENCE, ACTUAL OR IMP LIED.
The r em edi es of the Buyer s hal l be l i m ited t o thos e provi ded herei n t o the ex cl us i on of any and all other
remedies incl udi ng, wi th out limita tion i nci dent al or cons equen tial dam ages. No agreem ent varyi ng or
extending the for egoi ng warrant i es, rem edi es or t hi s li m i tat i on wil l be binding upon B acharach, Inc . unles s
in writ i ng, s i gned by a duly authorized of ficer of Bacharac h.
R egi st er y ou r w a rra nt y by vi si tin g
Produc t i m provements and enhancements are c ontinuous; t heref ore the s peci ficat i ons an d i nf ormat i on
contained i n this document m ay change wi thout notice.
Bachar ach, Inc . s hal l not be li abl e for errors cont ai ned herein or for incidental or cons equential damages
in c onnect i on wi t h the fu rni shing, perf ormance, or us e of t hi s material .
Copyright © 2000–2013, B acharac h, I nc. , All Ri ght s Res erved
No part of thi s doc um ent m ay be phot ocopied, reproduc ed, or t ranslated t o another language without t he
®
BACHARACH
is a regist ered trademark of Bacharac h, Inc . All other t rademarks, trade names,
service mark s and l ogos ref erenc ed her ei n bel ong t o their respec tive owners.
www.MyBacharach.com
Patent 6,590,690
prior wri tt en c onsent of Bac harac h, Inc .
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Multi-Z one Gas Monitor s
Ta ble of Con te nts
SECT ION 1. INTRODUCT ION............................................................................................................1
1.1. A bout This M anual .....................................................................................................................1
1.2. Warni ngs and Caut ions ..............................................................................................................1
1.3. S afet y P recaut i ons.....................................................................................................................1
1.3.1. Hazardous Areas ...........................................................................................................1
1.3.2. Com bust i bl e and F l ammable Gas es................................................................................2
1.3.3. AC P ower S uppl y ..........................................................................................................2
1.3.4. Prot ect ive Groundi ng .....................................................................................................2
1.3.5. Explosive Atm osphere ...................................................................................................2
1.3.6. Proper E xhaus t V ent i ng .................................................................................................2
1.3.7. Acc ess i ng the Interior o f the Monitor ...............................................................................2
1.3.8. Misus e and M odific ations t o the I nstrument .....................................................................3
1.3.9. In Cas e of Malfu nct i on ...................................................................................................3
1.3.10. Fusing...........................................................................................................................3
1.3.11. Ins tall ation Cat egory ......................................................................................................3
1.3.12. A l titude Li m it..................................................................................................................3
1.3.13. Cleaning .......................................................................................................................3
1.4. K ey E xt ernal Hardware Components ..........................................................................................4
1.5. F unct i onal Overview ..................................................................................................................4
1.5.1. Gen eral Desc ripti on .......................................................................................................4
1.5.2. Communi cat i ons Opt ions ...............................................................................................5
1.5.3. Underst andi ng M oni toring Le vels ....................................................................................5
1.5.4. Response t o t he Pres ence of Mul t i ple Re frigerants (HGM Onl y) .......................................5
1.5.5. Suggest ed Locat ion o f S am pl ing Poi nt s ..........................................................................5
1.5.6. Locating a Remote Di splay (Opt i onal) .............................................................................6
1.6. Specifications ............................................................................................................................7
SECTION 2. INSTALLA TION .............................................................................................................9
2.1. Ins tall ation Considerations..........................................................................................................9
2.1.1. W arnings and Caut ions ..................................................................................................9
2.1.2. Inspection .....................................................................................................................9
2.1.3. Location of t he M oni tor...................................................................................................9
2.1.4. Mount i ng I nstruc t i ons .....................................................................................................9
2.2. Connect i ng Gas S am ple Lines..................................................................................................10
2.2.1. Overview.....................................................................................................................10
2.2.2. Tubing Considerations .................................................................................................11
2.2.3. Connecting Purge Line.................................................................................................11
2.2.4. Connect i ng Ex haust Li ne..............................................................................................11
2.2.5. Connec ti ng S am ple Intak e Lines ...................................................................................11
2.2.6. Inst al l ing an O ptional Spli tt er K i t ...................................................................................12
2.2.7. Connect i ng the Wat er Tr ap...........................................................................................12
2.3. Int erior Com ponents ................................................................................................................13
2.4. E lectrical W iring.......................................................................................................................13
2.5. Con nec ting Comm uni cat io ns De vi ces .......................................................................................15
2.5.1. Rem ote Display M odule (R D) Co nnect i on .....................................................................15
2.5.2. Inte grating wi th B uilding M anagement S yst em s .............................................................15
2.5.3. Lar ger Integrated S ys tems ...........................................................................................15
2.5.4. Changing Term i nat or Switc h S ett i ngs............................................................................16
2.5.5. Pers onal Com puter ......................................................................................................16
2.6. T erm inati ng Mult i pl e M onitors ...................................................................................................17
2.7. Connect i ng t o a Building M anagem ent S ys tem ..........................................................................17
2.8. PC S o ftware ............................................................................................................................18
2.8.1. Operation ....................................................................................................................18
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2.8.2. Saving and Sending Programs .....................................................................................20
2.8.3. Tren d Data ..................................................................................................................20
2.8.4. Convert i ng the TRE ND Text F i l e to a Mi cros oft E xcel F i l e ..............................................20
2.8.5. Saving and Print i ng Sc reens and Logs ..........................................................................20
2.8.6. USB Type Laptops.......................................................................................................20
2.9. Optional Cu rrent Loop Interfac es ..............................................................................................21
2.9.1. Opti onal 4–20 mA DC Out puts ......................................................................................21
2.9.2. 4-20 mA DC Connect i ons .............................................................................................22
2.10. Connecting E xt ernal Alarm s .....................................................................................................23
2.10.1. Overview.....................................................................................................................23
2.10.2. Connection ..................................................................................................................23
SEC TION 3. SETUP PROGRAMMING .............................................................................................25
3.1. Initial Power Up .......................................................................................................................25
3.2. Dat a Di splay S creen ................................................................................................................25
3.3. Navigating to t he 1st Set up S creen ...........................................................................................25
3.4. Navigating to t he 2nd Set up S creen ..........................................................................................25
3.4.1. Location ......................................................................................................................26
3.4.2. Num ber of Zones Inst alled ............................................................................................26
3.4.3. Al arm Ac knowledge M ode ............................................................................................26
3.4.4. Audi ble Al arm ..............................................................................................................26
3.4.5. Zone Hol d ...................................................................................................................27
3.4.6. Detec tion Limi t.............................................................................................................27
3.4.8. Loo p M ode ..................................................................................................................27
3.4.7. Loo p2 F ac tor ...............................................................................................................27
3.4.9. Re-Z ero M ode .............................................................................................................28
3.5. Navigating to t he 3rd S etup S creen...........................................................................................28
3.5.1. Overview.....................................................................................................................28
3.5.2. Baud Rat e ...................................................................................................................28
3.5.3. Node Addres s .............................................................................................................28
3.5.4. Password ....................................................................................................................28
3.6. Additional Ser vi c e F eatures ......................................................................................................29
3.6.1. Ser vic e Tim eout ...........................................................................................................29
3.6.2. DET Digipot.................................................................................................................29
3.6.3. Node Addres s .............................................................................................................30
3.6.4. Sensor T em perature Coef fic i ent (For Factory Use Only).................................................30
3.6.5. Password ....................................................................................................................30
3.6.6. Acquiri ng T em perat ure Coeffic i ent (For Fact ory Us e Onl y) .............................................30
3.6.7. IR Digipot ....................................................................................................................30
3.7. E stabli shing the CO
S ensor Basel i ne.......................................................................................30
2
SECTION 4. GENERAL OPERATION ..............................................................................................31
4.1. F unct i onal Overview ................................................................................................................31
4.2. T he Zo ne S etup S creen ...........................................................................................................31
4.2.1. Location ......................................................................................................................31
4.2.2. Gas/ Re fri ge rant Typ e ...................................................................................................31
4.2.3. Distance......................................................................................................................32
4.2.4. Zone Tem perat ure .......................................................................................................32
4.2.5. Current Detection Reading ...........................................................................................32
4.2.6. Log Inte rval .................................................................................................................32
4.3. Navigating to t he 2nd Zo ne S etup S creen .................................................................................32
4.3.1. Leak Level ..................................................................................................................33
4.3.2. Spi ll Level ...................................................................................................................33
4.3.3. Evacuation L evel .........................................................................................................33
4.3.4. Re-Set ting the P eak P P M Value ...................................................................................33
4.4. Alarms ....................................................................................................................................33
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4.4.1. Func t i onal Overview ....................................................................................................33
4.4.2. Resp onding to Alarm s ..................................................................................................34
4.4.3. Al arm Detail Sc reen .....................................................................................................34
4.4.4. Ack nowledging A l arms .................................................................................................35
4.4.5. Si lenci ng an A l arm .......................................................................................................35
4.4.6. Clea ri ng the A l arm Event Log .......................................................................................36
4.5. S yst em F aul t s .........................................................................................................................36
4.5.1. Func t i onal Overview ....................................................................................................36
4.5.2. Navi gat i ng to t he F aul t Sc reen ......................................................................................37
4.5.3. Critical F aul ts ..............................................................................................................37
4.5.4. Non Cri t i cal F aul ts .......................................................................................................38
4.5.5. Reset to Fact ory Def aul t Set tings..................................................................................38
4.5.6. Clea ri ng Sy st em F aul t s ................................................................................................38
4.5.7. Vi ewing F aul t Log ........................................................................................................39
4.5.8. Vi ewing F l ow Log ........................................................................................................39
4.6. T he Trend Scree n....................................................................................................................40
4.6.1. Navi gat i ng to t he Tr end S creen ....................................................................................40
4.7. T he Cali bration Sc reen.............................................................................................................40
4.7.1. Overview.....................................................................................................................40
4.7.2. Navi gat i ng to t he Cal i brat i on Sc reen .............................................................................41
4.7.3. Calibrat i on Proc edure (HGM and A G M Onl y).................................................................41
4.7.4. Adj us ting Cal i bration Factor (HGM and AGM Onl y) ........................................................41
4.7.4. CO
A t m ospheri c Concentrati on ...................................................................................42
2
4.7.6. Programm ing N ew Gases (H GM Only)..........................................................................42
4.8. Zo ne Hol d M ode........................................................................................................................43
4.9. T he Diagnostic S creen .............................................................................................................44
4.9.1. Navi gat i ng to t he Diag nost i c S creen..............................................................................44
4.9.2. Diag nost i c S creen Overview.........................................................................................45
SECT ION 5. M AI NTEN ANCE...........................................................................................................47
5.1. Replacem ent P art s Overview ...................................................................................................47
5.2. Replacem ent P art s and Optional A c cessories............................................................................48
5.3. Troubleshooting.......................................................................................................................50
APPE NDIX A. RECO M ME NDED REFRIGERANT GAS ALARM SETT INGS .....................................53
APPE NDIX B. RS-485 CO MM UNICAT IONS P RO TOCO L ................................................................55
B.1. Overview.................................................................................................................................55
B.2. MODBUS RT U Protocol ...........................................................................................................55
B.3. MZ MO DBUS RTU O perat ion ...................................................................................................55
B.3.1. Overview.....................................................................................................................55
B.3.2. Protocol Details ...........................................................................................................55
B.3.3. MZ Mo ni t or Poll ing .......................................................................................................56
B.3.4. Netw ork Topol ogi es .....................................................................................................56
B.3.5. Key Com m P rotocol P aram eters ...................................................................................56
B.3.6. Sum m ary of Regist ers..................................................................................................57
B.3.7. Sy st em Data Re gi st er 0x0010 (16 Dec ) (R/ W, 54 B yt es) ................................................58
B.3.8. St atus Regi st er 0x 001 (17 Dec) (R/ W, 10 By tes )............................................................58
B.3.9. Fault Code T abl e .........................................................................................................59
B.3.10. Zone Dat a Regist er 0x12xx (R/ W, 78 B yt es) ..................................................................59
B.3.11. Alarms and A l arm Ac knowledge ...................................................................................60
B.3.12. Date Time Regi st er 0x0015 (21 Dec ) (R/ W, 14 By tes ) ....................................................60
B.3.13. Sensor Dat a Regist er 0x0016h (22 Dec ) (R, 82 By tes ) ...................................................61
B.3.14. Releas e Zo ne Hol d Regist er 0x0017h (23 Dec) (W , 10 B yt es) ........................................61
B.3.15. Hold Zone Regi st er 0x0018h (23 D ec) (W, 10 By tes ) .....................................................61
B.3.16. MZ Hol d Mode .............................................................................................................61
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B.3.17. Fault Log Regist er 0x1900-01 (6400-6 401 Dec) (R, 302 B yt es) ......................................62
B.3.18. Flow Log Regi st er 0x001F (31 Dec) (R, 142 By tes )........................................................62
B.3.19. Al arm Log Regi s ter 0x 1A00-02 (66 56-58 Dec ) (R, 582 By tes ).........................................62
B.3.20. Service Mod e Regi st er 0x 001B (27 Dec ) (W, 10 By tes ) ..................................................63
B.3.21. Releas e Servic e M ode 0x001C (28 Dec ) (W, 10 By tes ) ..................................................63
B.3.22. MZ Service Mode ........................................................................................................63
B.3.23. PPM Regist er 0x001E (30 Dec) ( R, 32 B yt es)................................................................63
B.3.24. Zone Log Regist ers 0x 3xyy (R, 1502 By tes ) ..................................................................63
B.3.25. MODBUS E xcept i on Res ponses ...................................................................................64
B.3.26. MODBUS Gas E numer ation .........................................................................................64
APPENDIX C. SYSTEM MENU M AP ...............................................................................................65
APPENDIX D. AGENCY APPROVALS............................................................................................67
APPENDIX E. SERVICE CENTERS ................................................................................................71
INDEX .............................................................................................................................................73
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SECTION 1. INTRODUCTION
1.1. A bout This Ma n ual
Thank you for invest i ng i n a Bacharach Multi-Zone Gas Moni tor. To assure operator safety and the proper
use of t he monitor please read thi s m anual. It provides import ant i nformat i on on the inst al l ation, operati on,
maintenance, and servicing of the m onitor and dis pl ay modul e.
If y ou have a working knowledge of your gas m oni t or, y ou wi l l find t hi s manual useful as a reference t ool . If
you are new t o the us e of gas monitors, t his docum ent is educat i onal i n the principl es of gas det ect i on and
the proper operat i on of t his device.
1.2. W arni ng an d Caut i on Conventions
W hen used in this manual or as labeled on the gas monitor, the followi ng hazard s ym bols and/ or
assoc i ated words are defined as foll ows.
W ARNING: This sy m bol and/or t he us e of the wo rd WARNING i ndi cates a potent i al
hazard ass oci at ed wi t h the use of thi s equipm ent. It call s at tent i on t o a procedure,
pract i ce, condi t i on, or t he l i ke, which if not c orrec tl y performed or adhere d t o, c oul d result
in deat h or s erious i nj ury .
W ARNING: This sy m bol and/or t he us e of the wo rd WARNING i ndi cates a potent i al
hazard from electri cal sho ck. It call s at tent i on t o a procedure, pract i ce, condi t i on, or t he
like, whi c h i f not correc tly perfo rm ed or adhered to, could result in death or s erious i nj ury .
CA UT ION: This s ym bol and/or t he use of the word CAUTION i ndi cat es a pot ential hazard
assoc i ated with t he use of thi s equipment . It call s at tent i on to a proc edure, prac tice,
condi tion, or t he l i k e, which if not c orrec tly perfor m ed or adhered to, could result i n m inor o r
moderat e i njury.
IMPORTANT: T he us e of the word IMPORTANT i n this m anual c al l s at tent i on to a
procedure, pr act i ce, condi t i on, or t he l i ke, which i f n ot c orrect l y perf ormed o r adhered t o,
coul d result in i ncorrec t perfo rm ance of or d am age to the equi pm ent and may voi d t he
warranty.
1.3. Safety Precautions
WARNING: This i ns trument has not been designed to be intrinsi call y s afe for use in areas
cl ass i fied as haz ard ous l ocat i ons. F or your s afet y, DO N OT
locations.
WARNING: Thi s is NOT a saf ety device. S om e gases which t hi s inst rument can detect
may be com bus ti ble/flam m able. When pr operly configured, this inst rum ent is designed to
alarm at c oncent rations t hat are lower t han the ex plos ive l i m i t of t he gas. A s suc h, it is t he
buyer’ s res ponsibi l i ty to ini tiate an imm ediate pl anned response t o any gas leaks as soon
as they are detec ted. Thi s equipment should NEV E R be used t o m easure or s am ple
gases at or above t heir respect ive l ower explosive limi ts .
IMP O RTANT: T he gas m onitor us es a universal power s uppl y that is c apable of accept i ng
input s of 100 t o 240 VA C, 50/60 Hz. The moni t or’s power c onsum pt i on i s 20 Wat ts. It i s
highly recomm ended that the moni tor be c onnect ed direc t l y t o the A C power source,
pre fe rabl y on its own circuit with UPS or surge prot ect i on.
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us e i t in hazardous (cl as si fied)
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