Emerson MAN -0016-00 manuale d’uso

M OD EL: U1F, U2F & U 4F- U V and UV C120 ULTRA VIOLET FIRE DETECTION SYSTEM 1, 2 and 4 Channel Fi eld Mount C ont r oll er wi th t he UVC 120 Det ector Part Num ber: M A N -0016- 00 Rev. 2[...]

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C o p yright © 20 02 N et S afe ty M on itorin g In c . Pri nt ed i n Canada T his m a n u al is p r o v id e d f o r in f o r m a tio n a l p u r p o s es on ly. A lth o ug h th e in fo rm a tio n c on ta in e d in th is m anual is bel i ev ed to be accurat e, i t coul d i ncl ude t echni cal i naccuraci es or ty pogr aphi cal error s. Changes ar[...]

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Ta b le of C o n te n ts U n i t I G E N E R A L I N F O R M A T I O N ......... ............ ............ .. 1 D E S C R I P T I O N ............ ............ ............ ......... ............ ...... 1 F E A T U R E S ............ ............ ............ ......... ............ ......... 1 C O N T R O L L E R S P E C I F I C A T I O N S .......[...]

U n i t I V S Y S T E M O P E R A T I O N ......... ............ ............ ... 22 S T A R T U P P R O C E D U R E ............ ......... ............ ......... ...... 22 C H E C K O U T P R O C E D U R E ......... ............ ......... ............ .... 22 M A N U A L v i C H E C K / C O U N T T E S T ......... ......... ............ ......... [...]

- 1 - Uni t I GENERA L I NFORMA TI ON DESCR IPTION The UV C120 Flam e Detect or s com bi ned wi t h the U1F, U 2F or U4F-UV Fi re Cont rol l er pr ovi de fast , rel i abl e fl am e det ecti on i n a wi de v ari et y of appl i cati ons. The m icr oprocessor based cont rol l ers si m ul taneousl y m oni tor up t o four ul tr avi ol et ( UV) det ector[...]

- 2 - < Relay C ontacts: Norm all y ope n/nor m al l y closed contact s r ated f or 5 Am peres at 30 Volt s DC/ 250 Vol t s AC < Current O utputs: 4-20mA D C i nto a m axi m um ext ernal l oop r esi stance of 600 Ohm s at 18-32 Vo l t s DC < Dimensions: Refer t o Fi gure 1 < Sh ipp ing W eight (ap p roxim ate): 2 l bs (0. 9 ki l ogram s[...]

- 3 - Fi gure 2b - Swi vel M ount Dim ensi ons < Po w e r C o n su m p tion (ea c h de te cto r) : 0. 29 W att s nom i nal , 0. 5 W att s m axim um 1 m A nom i nal , 1. 7 m A m axim um < Tem perature Range: Oper at i ng: - 40º C t o + 125 ºC ( -4 0º F t o +2 57º F) St or ag e: - 55º C t o + 150 ºC ( -6 5º F t o +3 02º F) < Dimensio[...]

- 4 - BASIC OPERATION - CONTROL LER CONTR OLLER FA CEPLATE DESCRIPTION T h e c o n troller fa c e pla te p ro v ide s LE D s a n d tw o digital d isp lay s for id en tifyin g s ta tus c o nd ition s , a bar gr aph di spl ay f or i ndi cat i ng an al arm condi ti on and MENU/SET and SELECT/RESET push- but ton swi t ches (See appendi x for i nstr uct[...]

- 5 - OUTPUTS Relay Outputs: T h e In s tan t, A re a an d F a ult re lay s ha v e S P D T c o n tac ts ra ted 5 A m p s a t 30 V o lts D C or 2 5 0 V o lts A C . T h e In s ta n t a n d A r e a ala r m re lay s a re pr o g r a m m a b le fo r e ith e r n o r m a lly e n e rg ize d o r n o r m a lly de-ener gi zed o perat i on and f or l at chi ng [...]

- 6 - F igu re 4 - J u m pe r S e lec tion fo r Iso late d or N on -Is o late d C urr en t O utp uts PROGRAMMING OPTI ONS DIP swi tches l ocated on t he ci rcui t board ar e used t o “pr ogram” vari ous opt i ons i ncl udi ng: < channel sel ect i on, < syst em sensi ti vi t y, < f ir e area vo ti ng logi c, < t ime del ay f or f i r[...]

- 7 - (A u tom atic D iag n o s tics an d F a ult Ide n tifi c a tion C o n t) any one of sever al stat us changes such a s a faul t or a " fi re" si gnal f r om one of the d etect i on areas t o take a ppropr iat e act i on. If a s y ste m or v i fau lt i s d ete c te d th e F au lt LE D fl a s h es , d igital dis pla ys a n d cu rre n t[...]

- 8 - < ref i neri es < engi ne room s Gase ous Fue l Handl i ng < but ane and pr opane l oadi ng and st orage < pi pel i ne com pressor st ati ons < gas gat heri ng faci l i ti es < LNG l oadi ng, t ransf er and st orage < hydrogen < gas t urbi nes O ther Processes < pai nt spray boot hs < chemical and pet rochemical [...]

- 9 - The UV sensor r esponds t o radi at i on other t han ul tr avi olet . X-r ays can act ivat e t he det ector and are of ten used i n i ndustr i al i nspecti on. I t may be necessar y t o di sable t he system i f X- ray i nspect ion i s conduct ed nearby. UV rad i at i on ot her t han t ha t p roduc ed by an act ual f ir e i s ref er red t o as[...]

- 10 - se n s itivity lev e ls b y pro g ra m m ing th e c o n tro ll e r to re sp o n d at a pre -d e te rm ined d e tec to r c o un t ra te w h ic h is d e p e nd e n t u p o n th e in te n s ity o f th e u ltra v io le t r a d ia tio n re a c h in g th e de te c to r, w h ic h in t urn depends on the t ype of f uel , temperat ure, f l am e si ze[...]

- 11 - The co ntrol ler can be configured for isol ated or non-isolated curren t outputs by ch an ging j um pers on ci rcui t boar d as per Figur e 4. Figur es 7a, 8a and 9a sh ow t he wir ing f or i sol ated cu rrent out puts and Figur es 7b, 8b and 9b sh ow wir i ng f or non- isol ated cur rent out puts.[...]

- 12 - Fi gure 7a - W i ri ng f or U1F-UV wit h Non-I sol at ed Current Output[...]

- 13 - Fi gure 7b - W ir ing f or U1F-UV w i th I sol at ed Current Output[...]

- 14 - Fi gure 8a - W i ri ng f or U2F-UV wit h Non-I sol at ed O utput[...]

- 15 - Fi gure 8b - W i ri ng Di agram f or U2F-UV w i th I sol at ed Current Output[...]

- 16 - Fi gure 9a - W i ri ng f or U4F-UV wit h Non-I sol at ed Current Output[...]

- 17 - Fi gure 9b - W i ri ng f or U4F-UV wit h I sol ated Cur rent O ut put[...]

- 18 - F ig u re 1 0 - D e te c to r w ith S w iv e l M ou n t A s se m b ly POSITION AND DENSI TY OF DETECTORS The det ector has a nomi nal 120º cone of vi sion. I n an appl icat i on such as a l oadi ng rack wi th a cei l ing h ei ght of 25 f eet (7. 5 meter s) where i t i s desi red t o have compl ete de tect or cover age at f loor l evel and a[...]

- 19 - Fi gure 11b - Dip Swi t ch t ime del ay. See Figur e 11a bel ow . The swi t ch banks are nu m bered f rom t op to bo tt om as SW 5, SW 4 and SW 3. I ndi vi dual ON / O FF swi tch es ar e desi gnat ed “ SW X.Y whe re ‘ X’ ref ers to the swi tch bank and ‘ Y’ ref ers t o t he swi tch number on ‘ X’ bank. See Fi gure 11b. . Fi gur[...]

- 20 - T h e s w i tc h v alu es a re a dd e d tog e the r. T h es e s w itch e s a re fac to ry se t to a s e ns itivity o f 24 c o un ts per secon d, as show n i n t he example. Exam ple: S W 4 . 1 ON S W 4 .2 O N se n s itivity SW 4. 3 O FF = 24 cps SW 4. 4 OFF FIRE AREA VOTING SEQUENCE (not applica ble to U1F) SW 4.5, SW 4.6 and S W 4.8 select [...]

- 21 - < SW 5. 2: OFF: normal l y energi z ed operat i on ON : normal l y de-ener gi zed oper at ion[...]

- 22 - TIME DELAY FOR AREA ALARMS NOTE T im e d e la y a ffe c ts th e Ar e a ala r m s o n ly; t h e in s ta n t a la r m o p e r a te s a s s o on as a fla m e is det ected. The t ime del ay f or t he Area a lar m s i s set usi ng SW 5. 3 to SW 5. 7. I f al l of the swi t ches are pl aced i n the ‘ O FF ’ po sit ion the ti m e delay w i ll be[...]

- 23 - Fi gure 11c - Relay Posi ti on Fi gure 11d - Relay Set t i ngs Uni t I V SYS TEM OPER ATI ON STARTUP PROCEDURE CA UTI ON Pl aci ng the co ntr ol ler i n the Bypass m ode i nhi bi ts i ts out put s, pr event ing a ctuat i on of any extinguishing or alarm circuit s that are conne c ted. For m ax i m um sa fety, ho w ev er, secure out put loads[...]

- 24 - The vi sual i ntegr i ty t est and t he count test are pe rf ormed at t he sam e ti m e. 1. Place t he cont rol l er i n the b ypass m ode (al l out puts i nhi bi t ed) by keepi ng the MENU/SET sw itc h a c tiv a te d un til ‘ Chc ’ ‘ Err ’ or ‘ bPS ’ are shown on t he di gi t al di spl ays. Rel ease t he swi tch and act ivat e i[...]

- 25 - ALTERNATE TEST PROCEDURE A ft e r e a c h c ha nn e l is o ffe r e d for s e lec tio n in th e b yp a s s m o d e a fin a l ‘ test bPS ’ se lec tio n is of fer ed. Al l chan nel s are now i n t he test bypass mode. In t his mode t he count s per secon d, normal l y seen when a channel i s i n bypass, are no t seen and t he Channel, I nst[...]

- 26 - Cur re nt Out put Si t uat i on 0 m A O ff or Shorted signal output, or l oss of pow er 1 m A F a u lt 2 m A P o w e r F a u lt 4 m A N o rm a l 5 m A V I f a u lt c ha nn e l 1 6 m A V I f a u lt c ha nn e l 2 7 m A V I f a u lt c ha nn e l 3 8 m A V I f a u lt c ha nn e l 4 9 mA VI faul t more t han one channe l 1 5 m A In s ta n t a la r [...]

- 27 - LEFT DISPLAY RI GHT DI SP LAY ERROR W HAT TO DO 29 0 gnd G roundi ng probl em w i th de tect or 290 Vdc suppl y. Check wir ing t o detect or, 290Vdc may be short ed t o ground. 29 0 OLo +290 Vdc det ector power t oo l ow. Cont act Fact ory. 29 0 OHi +290 Vdc det ect or power t oo hi gh. Contact Fact ory. 12 OUT I nter nal 12 Vdc suppl y out [...]

- 28 - SELECT/RESET swi tch t o choose t he sel ecti on. To exi t t he mai n m enu wi thout choosi ng an op tion , tog g le th ro u gh th e s e lec tion s un til ‘ rtn’ i s sh o w n o n the low e r d isp lay . ERR O R CH ECK MO DE (Err C hc) Thi s i s the f i rst sel ect ion i n the mai n menu. Ent er t he mai n m enu and act i vat e the SELECT[...]

- 29 - area o utput i s reache d (‘ gPA ’ = Area 1 and ‘ gPb ’ = Area 2 ), then acti vat e t he SELECT/RESET swit ch. W h e n a n a re a h a s be e n ch o s e n fo r fo rc ed c u rre n t ou tpu t, the left s ide of th e d isp lay w il l altern a te bet w een ‘ GPn ’ and ‘ FoP ’ a n d th e rig h t s id e o f th e d is pla y w ill s h[...]

- 30 - Uni t V MAI NTENANC E ROUTINE MAINTENANCE The det ector requi res no per i odic cal ibr at ion. To mai ntai n maxi m um sensi ti vit y, the vi ew i ng windows shoul d be cl eaned on a r out ine b asis dep endi ng on t he t ype and amount of cont am i nant s i n t he area. The rubber O-ri ngs on t he det ect or housi ng are used t o ensur e i[...]

- 31 - Pri or t o ret urni ng i t em s, cont act the n earest di str i buti on off i ce so t hat an RM I ( Retur n Mater ial I denti f i cati on) num ber can be assi gned. A wri tt en st atement descr i bi ng t he m al funct i on must accompany the r et urned i t em t o si m pl if y f indi ng t he cause of the f ail ur e and reduce the t i m e and [...]

APPENDI CES[...]

-33- A p p e n d ix A N e t S afe ty M on ito rin g In c . E le c tro sta tic Sen siti ve D evice H an dling P roced ure W i t h the t r end towar d i ncreasi ngl y widespr ead use of mi croprocessor s and a wi de var iet y of ot her el ectr ost ati c sensi t i ve sem i conductor devi ces, the n eed for caref ul handl i ng of equi pm ent co n ta in[...]

-34- Appendix B Procedur e For Act i vati ng Reed Swit ches W hen act i vat ing t he MENU / SET and SELECT/RESET r eed swit ches, i t i s i mport ant t o or ient the magnets pr ovi ded wit h t he devi ce i n t he proper di rect i on. They are t o be posi ti oned on t he f acepl ate wi th t he curved edge faci ng t he gl ass. Do not pl ace the f l a[...]

-35- Appendix C Record Of Dip Swit ch Set ti ngs DI P SWI TCH ON OFF S W 3 .1 S W 3 .2 S W 3 .3 S W 3 .4 S W 3 .5 S W 3 .6 S W 3 .7 S W 3 .8 S W 4 .1 S W 4 .2 S W 4 .3 S W 4 .4 S W 4 .5 S W 4 .6 S W 4 .7 S W 4 .8 S W 5 .1 S W 5 .2 S W 5 .3 S W 5 .4 S W 5 .5 S W 5 .6 S W 5 .7 S W 5 .8[...]

-36- Appendix D Comm on U l tr a-Vi ol et Absor bing Gases Si nce the UVC 120 fi re de tec t or i s desi gned t o de tec t f ir es b y res pond ing t o t he ul tr a-vi ol et (UV) radi ati on t hey emit , it i s ver y import ant to be aware of UV absorbi ng gases t hat m ay be pr esent bet w een t he det ector and t he sources of potent i al fi res.[...]

-37- Ap p en d i x E Wi r e R es i st a nc e I n Oh ms DISTAN CE (FEET ) AW G #20 AW G #18 AW G #16 A W G #14 A W G #12 A W G #10 A W G #8 100 1. 02 0. 64 0. 40 0.25 0. 16 0. 1 0.06 200 2. 03 1. 28 0. 80 0.51 0. 32 0. 2 0.13 300 3. 05 1. 92 1. 2 0.76 0. 48 0.3 0. 19 400 4. 06 2. 55 1. 61 1.01 0. 64 0. 4 0.25 500 5. 08 3. 2 2. 01 1.26 0. 79 0. 5 0.3[...]

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