Liebert SERIES 600T manual

P OWER P ROT ECTION Ser ies 600T™ U PS Multi-M odule Th ree P hase 65 kV A to 75 0 kV A; 60 Hz Oper ation & M ainten ance Manu al DISCONTINUED PR ODUCT[...]

DISCONTINUED P R O D U C T[...]

i T ABLE O F CONTENTS 1 .0 I NTRODUCTIO N 1.1 System De scription . . . ......... ......... ......... ......... ......... ................ . 3 1.2 Relia bili ty . .................. ......... ......... ......... ......... ................. 7 1.3 Safet y Prec autio ns ............. ......... ......... .................. ......... ........ 8 1.4 Mode[...]

ii 3 . 2 . 3 M o m e n t a r yO v e r l o a d s ... ...... ..... ............ ..... ...... ...... ..... ........... ...8 1 3 . 2 . 4 I n p u tP o w e rF a i l u r e( L o a dO nB a t t e r y ) . ............ ..... ...... ...... ..... ........... ...8 2 3 . 2 . 5 O n eM o d u l eO f f - L i n e .......... ..... ............ ..... ...... ...... ..... [...]

iii FIGURES Fi gure 1 Multi -Modul e UPS, 65-80 kV A (left) and 100-5 00 kV A (right) ........... ..... ...... ..... ........ 3 Fi gure 2 Mul ti-Modul e 500-7 50 kV A UPS ........... ...... ..... ...... ........... ...... ..... ...... .. 5 F i g u r e3 S y s t e mC o n t r o lC a b i n e t s( S C C s ) ........... ...... ........... ...... ..... ..[...]

iv F i g u r e5 0 M o m e n t a r yO v e r l o a d( P u l s e dS t a t i cB y p a s sS w i t c h ) ...... ..... ............ ..... ...... ..... ...8 1 F i g u r e5 1 I n p u tP o w e rF a i l( L o a do nB a t t e r y ) ....... ...... ........... ...... ...... ..... ........... ...8 2 F i g u r e5 2 O n eM o d u l eO f f - L i n e( L o a do nU P S )[...]

1 I MPO RT AN T S AFET Y I NST RUCTI ONS Save These Instruct ions. This ma nual c onta ins i mporta nt instr uct ions t hat s hou ld b e follo wed d uring ins t alla tio n and m ainte nance of yo ur Se rie s 600 T UPS and batt er ies . W ARNING EXERCISE EXTRE ME CARE WHEN HANDLING UPS CABINETS TO A VOID EQUIPMENT DAMAGE O R INJUR Y TO PERSONNEL. R [...]

2 O VERVIEW OF T HIS M AN U AL The manu al is or ganiz ed so tha t informa tion can be foun d quic kly . Each major t opic is se parate d by section s, and the T able of Cont ents c ontains major he ad ings wit hin ea ch se ction. T he nam es of t he secti ons a nd their c ontent s are d es crib ed b elo w . 1.0 - Intr odu ctio n is a sum mary of t[...]

Intr oducti on 3 1.0 I NTRO DUC TIO N 1. 1 Syst em De script ion The ro le of the pa rall el -redunda nt mult i-modu le UPS s yste m is to supply u nint err upti ble, c lean po wer to the c ri t- ica l loa d. It mai ntain s a ful l-vo ltage , low- disto rti on outpu t, e ven i f the ut ility sourc e power sa gs or beco mes di s- tor ted . If t here[...]

4 Int rod uction (retr ansfe rred) to the UPS . How and when the load i s returned to th e UPS depends on severa l factors: ho w long the ov erload l aste d, how ma ny overlo ad condi tio ns occ urred befo re tr ansfer , whether there is an im mine nt fail ure of any part o f t he UPS, etc. Refe r to 3.4 - Autom atic Operations . In the unl ikely e[...]

Intr oducti on 5 Figure 2 Multi-Modu le 500-750 kV A UPS DISCONTINUED P R O D U C T[...]

6 Int rod uction Figure 3 System C ontrol Cab inets (SCCs) T ypes of System Control Cabinet s (SCCs) • SCCT -- A stand-a lone cabin et conta ini ng syste m control l ogic for up to s ix UPS modules , a stati c bypass swit ch, ma nually op era ted disco nnec ts for the st at ic bypass swi tch , and two mot or -operat ed sys tem circ uit br eakers.[...]

Intr oducti on 7 1. 2 Reli abili ty Reli abili ty is the most important de sign goal for Uninte rruptibl e Power Systems. Li ebert Series 600 UPS systems have de monstra ted reli ab ility by ac hievi ng a field- prove n critic al bus MTBF in exc ess of one mill ion hou rs. In addi tio n, our Qualit y Assuranc e program is cert ifi ed to the require[...]

8 Int rod uction 1. 3 Safe ty P recau tions Read t his manua l thor oughl y , paying spec ial at tenti on to th e sect ions th at apply t o you, before wor king wit h the UPS. Also re ad the batte ry manufa cturer’ s manua l before worki ng on or near the batt ery . Under typ ical ope ratio n and wit h all UPS doors clo sed, only norm al saf ety [...]

Intr oducti on 9 1. 4 M odes o f Opera tion Ref er to 2.0 - Theo ry of Operati on and 3.0 - Operatio n fo r mo re d etai ls . 1.4.1 Norm al (Load on UP S) The ut ility AC sourc e provi des power to the re ctifi er /char ge r in each UPS module. Eac h recti fier/c ha rg er con- verts the uti lit y AC power to DC and supp lie s DC power to the UPS mo[...]

10 Int ro ductio n 1.5 O pera tor C ontr ols The Lie bert Serie s 600T UPS Syste m Control Cabi net (SC C) and each indiv idua l module are equi pped with a micr oproce ssor -b ased Operat or Displ ay Screen a nd Control Pane l designe d for conv enient a nd relia ble opera - tion. The front panel loc ation of the m onit oring and cont rol system e[...]

Intro ducti on 11 Fi g ure 5 Mod ul e Con t rol s and Di s pl a y Scr ee n w ith Ex ampl e of the Monit or/M im i c Sc re en DISCONTINUED P R O D U C T[...]

12 Int ro ductio n 1. 6 Optio ns A number of s tanda rd pre- des igned opt ions ar e avail abl e from Lie bert for y our UPS s ystem. Describe d below a re the mos t f requent ly pr ovided op tio ns. Not e that t he batt ery i tems (1 -3) ar e requi red t o complet e the UP S sys tem. The re maining opt ions provi de impro ved system pe rformance o[...]

Theory of Ope rat ion 13 2.0 T HE O RY O F O PERA TION 2. 1 Ge ner al Comp onent D escript ion s The UP S syste m inc ludes a ll of the eq uipmen t nec essary to contin uously prov ide c ompute r -gra de AC power to a crit ic al l oad, eve n when th ere is a n inte rruptio n of the ut ili ty li ne powe r . It con sists o f a Syst em Contro l Cab in[...]

14 Theor y of Operati on Figu re 6 U PS M od ule Bl oc k Diag ram UPS Modul e The UPS module consis ts of module c ontrols , a rectifi er/cha r ger , an inve rter , prote ct ive devic es, and other acc es- sories. Module C ontrols: The modul e cont rol l ogic monito rs perfor mance of the UPS module. The UPS modul e s tatu s is di spla yed loca lly[...]

Theory of Ope rat ion 15 2. 2 Det ailed Comp onent D escrip tions 2.2.1 Cont rols Hardware The Ser ies 600T U PS Oper ator In terfac e Displ ay Syste m is desi gne d to provi de all of the i nforma tion t hat is requi red for t he operation of ea ch UPS cabine t (the System Cont rol Cabine t and each mod ule). The fol lowing is a list of the hardwa[...]

16 Theor y of Operati on full lo ad wit h opti onal input f ilt er . For module s 500 kV A and la rger , the opt ional 12-p ulse re ct ifier re duces refle cted T HD to less tha n 4% with opt ional fi lter , or 9% without . The fi lte red outpu t of t he rect ifier/ char ger pr ovides regul ated DC powe r to drive t he i nver ter and cha r ge th e [...]

Theory of Ope rat ion 17 Operation After End-of- Discharge The b atte ry ti me scre en dis playe d on t he contr ol pa nel e nabl es you to estim ate wh en ba ttery shutdown will occur . Y ou will ha ve enough ti me to ener giz e an alterna te AC power s ource or to ini tiat e an orderly shut down of the crit ic al l oad. I f the batt ery pl ant d [...]

18 Theor y of Operati on 2.2.4 Inv erte r The inv erter is a solid stat e device t hat co nverts t he DC output of the re ct ifier/ char ge r or the batt ery to AC power . Operation The in verter c onverts DC power—from e ither th e batte ry or the rectifi er/ char ger—i nto th ree pulse-wi dth-mo du- lat ed/six-s tep wavef orms. These waveform[...]

Theory of Ope rat ion 19 2.2.5 St a tic B ypass A stat ic bypas s is an int egr al part of the UPS System Cont rol Cabin et (SCC) . Ref er to Fig ure 7 . T he s ta ti c bypas s consi sts of sol id-sta te switc hing de vices worki ng in co njunct ion wit h the moto r -operat ed Syste m Bypass Br eaker (S BB). An au tomat ic tr ansfe r cont rol circu[...]

20 Theor y of Operati on Also , if re quired for maint en ance, the s tati c s witch ca n be isol ated from the byp ass l ine by o pening (to the OF F po siti on) the S ta ti c Swit ch Disco nnects. Pulsed Parallel Operati on When an ove rload cond ition s uch as magneti c inr ush current or a branch l oad circ uit faul t exceeds t he overlo ad cap[...]

Theory of Ope rat ion 21 T ransfer and Re tra nsfer Conditions 1. Automatic T ransfers to B ypass Cr itica l bu s condi ti ons th at will initi ate an aut omati c tran sf er of the cri ti cal lo ad fr om th e UPS s ystem t o th e bypas s sou rce are : a. Syste m Overl oad: ove rcur rent con dition i n exces s of th e overlo ad rati ng of th e Syste[...]

22 Theor y of Operati on 5. Manual Ret ransf ers Manua l retransfe rs ma y be initia ted at a ny time pro vided no ret ransfe r inhibi tio n conditi ons are pre sent . 6. Retransfe r Inhib ited A ret ransf er from the byp ass sou rce t o the UPS sys tem sha ll be i nhibit ed if a ny of the f ollowi ng con dit ions exi st: a. Manua l (and Automatic)[...]

Ope rati on 23 3.0 O PE RA TIO N 3. 1 Disp lay Screen and Oper ator Cont rols Each L iebert Series 6 00T UPS c abine t is equi pped wit h a mi croproc ess or- based Ope ra tor Contr ol Pa nel and Dis - play Scr een and Sys tem Cont rol Panel des igned for conveni en t and reli able operat ion. The Syst em Contro l Cab- inet (SC C) performs dif fe r[...]

24 Op erati on Figure 8 Operator Co ntrols, 65 to 80 kV A (left) and 100 to 500 kV A (right) Item Descrip tion Function 1 Input Ci rcui t Bre aker (behi nd door of 65- 80 kVA) (CB1) This manual ly oper at ed circ uit br eake r provi des power t o the UPS mod ule rect ifi er. In 625- 750 k VA modul es and s ome 500 kVA modul es , thi s break er is l[...]

Ope rati on 25 Figure 9 System Contr ol Cab inet O perator Controls (SCCB Pictured ) Item De s cr ip tio n Functi on 1 UPS Outpu t Circuit Breaker This mot or ized ci rcui t breaker conn ect s the crit ic al load to th e UPS syst em out put. 2 Sys tem Bypas s Circui t Breaker This mot or ized cir cuit br eaker conn ect s the cri tical load to th e [...]

26 Op erati on Figu re 10 Se ries 60 0T UPS an d SC C Opera tor Con trol P anels Ite m Descripti on (Locat ion) Funct ion 1 Displ ay Screen (SCC and modules) This screen di sp lays a ll v ital UPS infor mation in o ne conven ien t lo cat ion. All of the UPS mon itor ing funct ions and con diti ons are ind icated he re. 2 Up (SCC and modules) T his [...]

Ope rati on 27 Figu re 1 1 Swi tches Beh ind SCC Co ntro l Pane l Do or Item Descri ption (Loca tion) Funct ion 1 Inte rlock But ton (on rear of Contro l Panel) Press t his but ton to mak e auth orized ch anges to any si te paramet er prot ect ed by the Secu ri ty Access f uncti on. These in clude the t ime, dat e, auto- dia l phone num ber, and ot[...]

28 Op erati on Figu re 12 Me nu T ree Figur e 12 illus trat es the primary s creens t hat you c an acc ess thro ugh th e Operat or Int erface Dis pl ay Syste m. The liqui d cryst al dis play (LCD) scre en provid es a full 80 c harac ters by 25 li nes of info rmati on for easy read abili ty . The fol lowing su bsec tions des cribe wha t these s cree[...]

Ope rati on 29 3.1.1 Mas ter M en u Scr een The Mast er Menu contai ns the primary menu sele ction s that moni tor an d control th e operat ion of the UPS. Figure 13 Ma ster Menu Screen s, SCC (abov e) and Module (b elow) From an y pri mary screen ( ac cessed dir ec tly from the Master Menu), pushing the Sele ct pa d once wil l retur n you to the M[...]

30 Op erati on 3. ST A TUS REPOR TS. This displ ay cons ists of thre e sub-men u sele ctions: pre sent st at us, hist ory stat us, an d event his tory . These sc reens dis pl ay data on th e sys tem’ s prese nt and pa st pe rform ance. Th ey also di spla y info rmation ab out a ny fault s that h ave o ccurre d in the sys tem a nd total ope ra tin[...]

Ope rati on 31 3.1.2 Monitor/Mimic Displa y Screen From SCC Maste r Menu m ov e the highlig hted cursor to MO NITO R/MIMIC D ISPLA Y . P re s s th e Sel ec t pad and the Mo nit or/Mimi c screen is displ ay ed. The Moni tor /Mimic d ispla y screen is a simpli fie d bloc k diagra m of the UPS syst em. This sc reen giv es the op er- ator a n overa ll [...]

32 Op erati on St atus/Alarm Message Areas The sta tus/ alarm mess age ar eas disp lay vita l informati on abo ut the opera tion of the UPS syst em. During norm al opera ti on no alarm mess ages should be pr esen t. Change s in the sta tu s of the syst em and possibl e alar m condi- tions can be monit ored. Bot h the sta tus an d the a larm mes sag[...]

Ope rati on 33 From module Ma ster Me nu mov e the highl ight ed c ursor to MONITOR/MIMIC DISP LA Y . Press the Sel ec t pad and t he Monitor/ Mimic sc reen is di spla yed. The Moni tor /Mimic d ispla y screen is a simpli fie d bloc k diagra m of the UPS module a nd power conne ctions . This s creen gi ves t he operator an overall v iew of t he pow[...]

34 Op erati on Alarm Messages The a larm mess age area displ ays vit al i nformat ion about the ope ration of th e UPS sys tem. Dur ing nor mal ope ra- tion no al ar m m es sages shoul d be present . Ala rm condit ions can be monit ore d. The alarm messa ges ar e dis- play ed in reverse v ide o (highlig hte d— light on da rk). T o clear a lat chi[...]

Ope rati on 35 Figur e 16 through Figu re 20 illust rat e how the Mon ito r/Mi mic Displa y s creens on the SCC a nd on a mo dule depi ct th e power fl ow throu gh the UPS syst em. A three modul e system desig ned for redunda nt oper ation is shown. A multi -module UP S s y stem may include up to s i x (6) module s for each System Co ntrol Cabi net[...]

36 Op erati on Figure 17 Monitor/M imic Display Scre en Examples: Utility Fail, SCC (above ) an d M odu le UPS RA TING S LO AD By p Not Ava il Stat ic Sw Unab le Modul e Sum Alm UPS INPU T PWR BYPAS S INP UT A-B B-C C -A 0V 0V 0V 0 Hz 0V 0V 0V A-B B-C C-A Not OK to T rans fer Stat ic Sw itch C onne cted MOD 1 ON LINE S UM ALM MOD 2 ON LINE S UM ALM[...]

Ope rati on 37 Figure 18 Monitor/ Mimic Disp l a y Scre en Examples: Load on Bypass, UPS Modu les On and Ch arging Bat tery , S CC (abo ve) a nd M od ule UPS INP UT PWR UPS R A TINGS A-B B-C C-A BY P ASS I NPU T A-B B-C C-A LOA D A BC A-B B-C C -A OK to Tra nsfe r Stat ic Sw itch Conn ected OUTPUT VOL T AGE A BC 627 K V A / 50 2 KW 3 OF 3 MODULES C[...]

38 Op erati on Figu re 19 Mo nitor/ Mimi c Disp lay Scre en Ex ampl es: Lo ad on UPS , One UPS Mo du le Off Line SCC (ab ove) an d Modu le UP S I NP UT PW R B AT T E R Y VOL TS 540 AMP S 75 CHARG UPS RA TINGS A-B B-C C- A OUTPUT VOL T A G E LO AD A BC 0 KVA / 0 K W 0A 0A 0A A-B B-C C -A 380V 38 0V 380V 380V 380V 380V 75A 7 5A 75 A AP658 -71 R AT E [...]

Ope rati on 39 Figure 20 Monitor/ Mimic Disp l a y Scre en Examples: Load on Bypass, All UPS M odules Off Li ne UPS INP UT PWR BAT T E RY VOL TS 540 AM PS 75 CHA RG UP S RA TI NG S A-B B-C C-A OUTPUT VOL T A GE LOAD A BC 0 K VA / 0 K W 0A 0A 0A A-B B-C C-A 380V 3 80V 380V 380V 380V 380V 75A 75A 7 5A AP65 8- 71 RA TED 500 K V A 50. 0 Hz UP S RA TI N[...]

40 Op erati on 3.1.3 W alk-In Di splay Screen From the modul e Mast er Men u, high light W ALK-IN DIS PLA Y and then pr ess the S elec t pad. Note t hat this sc reen is dis played a t the UPS module s but is no t requ ired at th e System Cont rol Cabine t (SCC) . Figure 21 Walk-In Display Screen Du ring St art-Up The W a l k-In Di splay s creen e n[...]

Ope rati on 41 3.1.4 St a tus Report s S creens Go to th e Mast er Menu and mov e the highl igh ted cu rsor to ST A TUS REPORTS. Press the Sel ect but ton a nd the S tatus Rep orts screen is displ ayed. The S ta tus Repor t scre en is divide d int o four sub menu rep orts: PRESENT ST A T US, EVENT HISTOR Y , HIS TOR Y ST A T US, and SYS TEM ST A TU[...]

42 Op erati on Pre sent Status The Prese nt S tat us scr een shows the current status of th e UPS s ystem (SCC) or module. Thi s screen displays an y alar m m essa ges t hat ar e pr esen t and th e va lue s of th e me ter ed pa ram et ers f or each ca bin et. B atte ry v alu es are d is- play ed only at the U PS module s. Each upd ate sequenc e (ev[...]

Ope rati on 43 Event Histor y The E vent Hi stor y scr ee n lis ts the active al arm s pr esen t in the UP S sy stem (SCC) or mod ule s. Thi s scr ee n also dis plays the pri or 128 alarm frames, in a firs t-in f irst -out (FIFO) sequ ence, tha t have taken pl ace along with t he da te an d the t im e tha t ea ch al arm fram e oc curr ed. Use th e [...]

44 Op erati on History S t a tus The His tory St atus sc reen dis plays 64 fram es, of 4 m illis econd s eac h, from the Pre sent S tatus scre en. No te that the va lue s for ou tput vo lts an d amps a re update d once e ach mi llis econd. Alar ms are l iste d in the s eque nce the y occu rred, wit hin 1 millis econd resol ution. The fr ames are st[...]

Ope rati on 45 The a larm co nditions that cause t he Histo ry S tatu s buf fe r to stop gathe ring ne w data are : Note tha t th e Emerge ncy Of f alarm will als o fre eze the SCC Histor y S tatus buf fer wi th the Auto T ransfe r to Bypas s alarm (i f the load i s on the UPS system when th e alarm cond iti on occurs). The Hist ory St at us buff e[...]

46 Op erati on Syste m Status The Sys tem S ta tus scree n dis plays the module T otal Oper ating Hour s and th e Batte ry Cyc le Monito r . Battery Cycl e Monitor (Module Only) Se lecti ng the Bat tery Cycl e Moni tor giv es you acces s to deta iled in format ion ab out the mod ule’ s most rece nt batt ery di scha r ge event s. Peri odic r eview[...]

Ope rati on 47 Acti ve Cyc le T ime i n place of Ac cumula te d Batte ry T ime, and shows Acti ve Ba ttery AH and A ctive B att er y kWH inste ad of acc umula ted valu es. Figure 27 Battery Cycle Mo nitoring Summa ry Screen Figur e 28 shows a typ ical deta il scr een for t he 91 -240 Seconds Disc har ge ca tegory . This inform ation c an b e col- l[...]

48 Op erati on 3.1.5 System Configurati on Screens Go to the Master Menu and move the h ighl igh ted cursor t o SY STEM CONF IGURA TIO N. Pres s t he Se le ct p ad and the Syst em Config urat ion scr een is dis played . The Syste m Configur at ion scre en lists param eters tha t can be change d to adjus t the “per sonalit y” of your UPS modul e[...]

Ope rati on 49 Dat e This is the s yste m’ s rea l-tim e date s ettin g. T he sys tem con trol pr ogram sends to e ach modul e th e date en tered at the S yst em Cont rol C abinet (SCC). Y ou c annot c hange t he s yst em dat e fr om the c ontrol p anel of a UPS module . Figure 30 Date Screen T o res et the da te, do the foll owing a t the SCC. 1[...]

50 Op erati on Tim e This is the s yste m’ s real-t ime cl ock. The sys t em control progr am sends to each m odule the t ime en tered at t he Sys tem Co ntrol C abi ne t (SCC). Y ou cann ot ch ange the sys tem t ime from t he contro l pane l of a UPS modul e. Figure 31 Time Screen T o r eset t he tim e do the fo llo wing at t he SCC: 1. From the[...]

Ope rati on 51 Auto Dial This is a f eatur e tha t autom atic all y dials (thro ugh a cu stom er suppl ied PC-c ompat ibl e modem) a pre-pro- gr ammed t elepho ne n umber ( up to 12 d igi ts) whe n spe cif ied a lar m conditi ons oc cur wit hin t he UPS sy stem. T he conne ction for t he modem is a t the SC C. Auto matic dia l at tempts t o the fi [...]

52 Op erati on Modem Baud Rate This set s the tra nsmissi on rat e at whi ch the s yste m relays da ta to a t ermin al through the mo dem. Figu re 33 Mo de m Bau d Ra te T o cha nge the mo dem baud ra te, do the f oll owing a t the SCC : 1. From the Syst em Config uration scr een, pres s the Up or Down pad to move the hig hli ghted cursor t o Auto [...]

Ope rati on 53 Max imum A uto-R etr ans fer Atte mpts When a UPS outp ut overloa d condit ion exce eds a pre-progr ammed curr ent -versu s-time win dow (base d on the SCC curre nt rat ing) , the UPS aut omatica lly t ransf ers the c rit ical lo ad to th e bypa ss li ne. After t he ove rload condi- tion ha s been corr ected, t he UPS att empts to au[...]

54 Op erati on Remote Monitor The Re mote Monitor Panel (opt ional) display s eight (8) alar ms. These al arms are a lso ava ilabl e for cus tomer use through a se t of cont acts on a sepa rate te rmina l board. When t he New Ala rm, System Summary Al arm, or Modu le Sum mary Alarm is acti vated, you can get more inform ation a t the Opera tor Disp[...]

Ope rati on 55 3.1.6 Alarm Limit Settin gs Screen Go to th e Mast er Menu and mov e the highl igh ted cu rsor to LI MIT SET TINGS. Pres s t he S elec t pad a nd th e Limit Se tti ngs screen is displ ayed. The Alarm Lim it Setti ngs sc reen has Sec urity Acc ess to enable a n authori zed Liebe rt fie ld- servi ce engi neer to adj us t the U PS s yst[...]

56 Op erati on Battery Rating (modules only). This setti ng is a bat tery dis char ge ra ting in kil owat ts unde r part ial loa d for an exte nded peri od, t ypical ly 60 minut es. The UPS uses t he two batt ery shut down voltag e setting s and the two ba t- t ery di sch ar ge rat ing s in com puti ng rat ed and cal cu lated t im e rema ini ng d u[...]

Ope rati on 57 3.1.7 Load T ransf er Procedures Screen Go to the SCC Mas ter Menu a nd move the highl ight ed curs or to LOAD TRANSFER PROCEDURES. N ot e that t his s creen is dis pl ayed at t he System Cont rol Cabi net bu t is not req uired at t he UPS modules . Press the Sele ct pad and th e Load T ransfe r Proce dures sc reen is dis played . Th[...]

58 Op erati on 3.1.8 St a rt-U p Proc edu res Sc reen From the SCC Maste r Menu, move th e hig hli ghted curso r to ST ART -UP P ROCEDURES. Pres s the Sele ct pad and the SCC Start-Up Proc edures scre en is displayed. This s cree n contains t he st eps you must foll ow to st art-up the UPS system . The instr uct ions are l ist ed so you can revie w[...]

Ope rati on 59 From the modul e Mast er Men u, move th e high lig hted curs or to ST ART -UP PROCEDURES. Pres s the S el ect pad and t he module St art -Up Procedure s screen is di splayed. This t wo-page s cre en cont ains th e steps yo u must fo llo w to start -up each UPS sys tem. The instruc tions are l is ted so you can rev iew th em prior to [...]

60 Op erati on 3.1.9 Shut down Procedures S cre en Go to the SCC Mas ter Menu a nd move the curs or to SHUTDOW N PROCEDURE S. Press the S elec t pad and the SCC Shutd own Pro cedure s scre en i s disp layed. This scree n contai ns the steps you must follow to perfo rm a c ont rolled shut down of the UPS system. The instru c- tions are lis t ed so y[...]

Ope rati on 61 Go to t he module Ma ste r Menu an d move t he curs or to SHUTDOWN P ROCEDURES. Pres s the S elec t pad and the modu le Shut down Procedure s scree n is displa yed . This two-pa ge screen cont ains th e st eps you must follo w to pe rfo rm a cont rolled sh utdown of each UPS module. The in struc tions ar e liste d so you can rev iew [...]

62 Op erati on 3.1.10 Bat te ry T ime Screen (Module Only) At the Mast er Menu , move the high lig hte d curs or to BA TTER Y TIME. Press the Se le ct pad and the Ba ttery Ti m e scre en i s dis pl ayed. When AC power is not availab le to the UPS module, the UP S inverter use s DC power from the bat tery to suppl y the cr iti cal load. T his scre e[...]

Ope rati on 63 Figure 42 Battery Time Screen Examp le - 45 Minute Disch arge The Batt ery T ime Re maining gra ph and t he Calc ulate d times are ext remel y helpful t o the operat or who has the dis creti onar y authorit y to orde r loa d-shed ding act ivi ties . The Seri es 600T auto matic ally s ampl es bat tery volt age and l oad curre nt and r[...]

64 Op erati on Figure 43 Range of V al ues for Calcu lated Battery Times If t he Batte ry T ime scre en is di splay ed whil e th e bat ter y is not dis char ging, it wil l disp lay the presen t Ba tter y Char ge pe rcent age and th e results of the pr evious disc har ge event. The Se ries 600 T records in format ion about e ach dis char ge eve nt. [...]

Ope rati on 65 3.1.1 1 Meter Calibration Screen Go to the Maste r Menu and move the highl ight ed cursor to METER CALIBRA TION . Press the Sel ec t pad an d t he Met er Cali br at ion sc r een is di sp la yed . The Me ter Cali bra tio n scree n enable s a Lie bert field- servi ce e nginee r to adj ust the cal ibr ation of the UP S metere d func tio[...]

66 Op erati on 3.1.1 2 Bat tery E qu alize Sc reen Go to th e Mast er Menu and mov e the highl igh ted cu rsor to BA TTER Y EQU ALIZE. Press t he Sel ect p ad and the B atte r y E qua lize sc r ee n is di sp la yed . The Batt ery Equal ize scre en enab les the oper ator to adj ust the b atter y equali ze tim e. It is also us ed to choose betwe en a[...]

Ope rati on 67 3.1.13 Alarm a nd St atus Messages Module S t atus Messages The m odule s tatus me ssa ges ind icate h ow man y UPS module s are inc lu ded in t he sys tem and t he pres ent sta tu s of eac h module. The fol lowi ng stat us messa ges may appear i n the modul e s tatus are a. 1. MOD N. A m od ule st atus mess age lin e is displa ye d [...]

68 Op erati on Syste m Statu s Messa ges The sys tem sta tus mes sage s indic ate whet her the sta tic bypa ss switc h is connect ed or di sconn ected , thr ough the man ual ly opera te d S tati c Switch Disconnects (se e F igu re 9 ). The sta tus m essag es al so adv ise t he op erator when a tran sfer or ret ransfer bet ween the UPS syst em and b[...]

Ope rati on 69 Alarm Messages The a larm mess age area displ ays the a la rm condi tions t hat ar e pres ent withi n the UPS sys t em. Alarm mes sages are di splayed in fl ashi ng reverse vid eo. During nor mal ope ration no alar m messages shoul d be present . Up to four mess ages a re displ ayed. T o se e if any additi ona l alarm c onditio ns a [...]

70 Op erati on T able 1 Al arm Mess ages - Mean ing and Corrective Action Al ar m Message Cabi net Location Specia l Funct ions Meani ng and Corre ctive Acti on in Bracket s [ ] AC IN PUT Input Fa il MMU — The r ec tifier i npu t line volt age is out side of spec ifi ed limit s or the input ci rcui t breaker is open ed whil e th e batter y circui[...]

Ope rati on 71 BYPAS S (Con tʼd.) Auto Trans fer to Bypass SCC D, E, F The critic al load has bee n auto matical ly tr ansfer red to the byp ass line. [Use the His tory Sta tus scree n to determi ne th e cause f or the transf er. Cle ar all of the al arms befor e attempt in g to retransf er the l oad f rom b y pas s to UP S.] Auto Retr ansfer Prim[...]

72 Op erati on UPS SYS TEM ( Contʼd.) Over load SCC MMU R, S S The UPS outp ut cur rent e xceed s the r at ed syst em l oad c urrent . Thi s condit ion causes an al arm only, t he UPS does not shut d own. [Deter mine cause of the ove rload. Red uce the l oa d unti l the overlo ad condit ion is cor recte d. Reset the UPS al arm.] Over load T rans f[...]

Ope rati on 73 UPS SYS TEM ( Contʼd.) Hardware Shutdown MMU D# At l e ast on e of the f ollo wing alar m condi tions i s pre sent: I nver ter Fault, Re ctif ier Fuse Bl own, Rev erse Po wer, Overl oad Shu tdown, logic powe r supply f ailur e, or inv erter o utput symm etry f ailur e. The UPS module is tak en off-l ine and is s hut down. [Contact L[...]

74 Op erati on T able 2 Al a rm Mess ages - Summ ary Alarm Mess age MMU S CC S pecial Fun ctions Input Fai l X — — DC Ground Faul t X — L, S DC Capac itor Fus e Blown X — D, F, S Batt ery CB Open X, R — S Batt ery Disch arging X, R R S Low Bat tery Warn ing X, R R S Low Bat tery Shut down X — D, F, L, S DC Over -Volt age Shutdown X — [...]

Ope rati on 75 3.1.14 Communication Interfaces Y our Liebe rt Seri es 600T UPS inc ludes t he followi ng communic ation port s: • W orldwi de reporti ng to a remote te rminal thro ugh a modem • Report ing to a local t erminal (no modem r equired) • Report ing to a local monitor only • Sit e report ing to Lie bert Si teSca n Cent ral Monito [...]

76 Op erati on man ds) and the n the Enter key . The Se ries 600 T will send the d ata, whi ch will be di spla yed on you r scree n. T o se e the Pres ent S tatus Report scr een fr om, say , Module 1, type A1 and pr ess the E nter k ey . Please no te t hat t he data o n the s cree n is like a s naps hot—th e status o f the UP S at the mom ent you[...]

Ope rati on 77 Sep arat e / Simult aneous O utput s The RS-2 32 interf ace ca n suppor t a m odem pl us eit her a local t er minal o r a loc al monitor . Lik ewi se, t he Sit eSc an port ca n support ei ther Si teScan or SNMP communic ation s. Whate ver inte rfaces you use wi ll all ope rate simu lta- neous ly . T able 3 Serie s 600T T er minal Com[...]

78 Op erati on 3. 2 M odes o f Opera tion This s ecti on i llust rates t he fl ow of power through c ircui t breake rs, sw itch es, and UPS component s durin g var ious mode s of operatio n. An SCCB with t hree module s is shown. The sam e modes of operat ion apply t o all confi gu- rati ons o f the Liebert Serie s 60 0T UPS mult i-modul e sys tem.[...]

Ope rati on 79 3.2.2 OK T o T r ans fer The OK to T ran sfer stat us messa ge wil l be di splay ed when the byp ass l ine and UPS syste m output power are both ava il able, the ir volta ge, f requenc y , and phase s ynchroni zati on are mat ched wit hin s pecif icati ons, a nd the S tati c Switch Dis connec ts are close d (ON). An alarm messa ge ma[...]

80 Op erati on Figure 49 Load on UPS (Bypass A v ailable) BIB SKRU MIB MBB I R #2 UPS CB1 CB2 I R #1 UPS CB1 System Cont rols I R #3 UPS CB1 CB2 RIB RI B CB2 RIB BFB Output SBB SBS SCCT SCCT (can accom modate up t o 6 UPS m odules ) T o Crit ical Load Battery MBD Battery MBD Batter y MBD DISCONTINUED P R O D U C T[...]

Ope rati on 81 3.2.3 Momenta ry Overloads An overl oad in the critic al loa d wil l contin ue t o be suppl ied by the UPS system i f the over load con dit ion does not exce ed th e curr ent ve rsus t ime curv e of ov erl oad ca paci ty for either t he S CC rati ng or f or t he numbe r of m o dules on-li ne. For moment ary ove rloads exc eedi ng 155[...]

82 Op erati on 3.2.4 Input Power Failure (Lo ad On Batte ry) If t he uti lity AC power sourc e fails , o r is outs ide the a ccept able ra nge, the batt er y plant becomes t he power sour ce for the UPS module inve rters . The UPS sy stem contin ues to s upply powe r to the cri tica l load, and als o to the co ntro ls o f the UPS modul es and th e [...]

Ope rati on 83 3.2.5 One Module Off-Lin e A multi -module UPS syste m can be suppl ied with a back-u p (redun dant) UPS module, whi ch is the typi ca l con- figura ti on. A red undant s yste m incl udes one more m odu le than t he num ber r equired t o supply the cr itica l lo ad. A redund ant sys tem op erates in t he redunda nt mode if a ll modul[...]

84 Op erati on 3.2.6 Off B atter y The battery pl ant can be dis conne cted fr om the UP S modul es, if requi red for batt ery maintenanc e, by ope ni ng th e modul e batte ry disc onnect (MB D) circu it brea ker (s). In thi s sit uatio n the UPS sys tem will co nti nue to supp ly condi ti oned power to the cri tic al loa d, but if input p ower fa [...]

Ope rati on 85 3.2.7 Emergency Modules Off The Local Emer g ency Modules Of f (LEMO) mode is us ed to remove power fr om all UPS system component s, and the c rit ical l oad will co nti nue to be suppli ed th rough t he bypass li ne. The Eme rgency Modul e Off contro l is a guard ed pa d on the SCC Control P anel (s ee Figur e 10 ). Lift t he cover[...]

86 Op erati on 3.2.8 Emer ge ncy P owe r Off The Re mote Emer gen cy Power Of f ( REPO) mode is used to re move al l power fr om th e criti cal loa d. The R emote Emer genc y Power Of f c ontro l is a switch loc ated re mote ly from t he UPS system . It wil l nor mally be in the sa me room a s the c rit ical l oad e quipme nt. Thi s mode c an als o[...]

Ope rati on 87 3.2.9 Syste m S hutdown Perform a Syst em Shutdown pro cedure when you must di scon nect the UPS syst em components from all p ower sour ces when requi red for mainte nan ce procedure s. Use the Shutd own Proce dures screen whe n performing a manua l Syste m Shutdown. Ref er to 3.3.3 - S hutdown P ro cedures . Ref er to 3.2.10 - M a [...]

88 Op erati on 3.2.10 Maintenance Bypa ss Maint enanc e Bypas s switchge ar (cab inet, pa nelboa rd, swi tchboar d or custom swi tchge ar) allows you to to tally is olat e th e UPS sy st em fr om a ll po we r so ur ces , wh ile y ou m ain ta in p owe r to t he cr it ical l oad . Y our ins tall ation may hav e a two-b reaker , three-b reaker , o r f[...]

Ope rati on 89 Figure 58 Load on Mainten ance Bypass (Three Breakers) I R CB2 Syst em Co ntrol s BFB O utpu t SB B SBS BIB I R I R CB2 CB2 #2 UPS CB1 #1 UP S CB1 #3 UP S CB1 RIB RIB RI B T o Cr itic al Lo ad SCCT ST ANDBY GENERA TOR AUTOMA TIC TRANSFER S WITCH SCCT (can a ccommoda te up to 6 UPS module s) B att er y MBD Batte ry MBD Batte ry M BD S[...]

90 Op erati on 3. 3 M anual P roced ur es The Lie bert Se ries 60 0T UPS system is desi gne d to func tion while u nat tended by a n operato r . The syste m con- tr ol logic a t the Sy stem C ontr ol Cabine t (SCC) m onit ors the pe rforman ce of the U PS syste m, the avai la bilit y of power s ources, a nd the curre nt require d by the crit ical l[...]

Ope rati on 91 3.3.1 St a rt- Up Procedure SCC Start-U p When the UPS syste m has been shut down, for a ny reaso n, use this procedure to start-up the UPS syste m to pro- vide fi lt ere d, relia bl e power to the cri tica l load. T his proc edu re gives st ep-b y-ste p instru ct ions for con trol s to o perate and condit ions to obse rve. Y our pre[...]

92 Op erati on Power mus t be pr ovid ed to th e UPS control s so the operato r can use t he LCD di splay and so the sys tem l ogic can perform it s contro l functio ns. Note t hat you can use the L CD displa y to monit or UPS syste m s t atus , even when the UP S modules are not ope rating. During a sta rt-up pr ocedure , power i s supp lied to th[...]

Ope rati on 93 b3. F in d the Close Bypass switc h (SW 1 ) on the System Interfac e Board ( F i g u re 11 ). Pre ss this switch to res et the S y stem Bypa ss circ uit brea ker . Check the Monitor/ Mim ic scree n to verify t he br eaker i s clo sed. b4. Pre ss two Reset Swi tches for S tatic Switch Disconnects behind door bel ow SCC control pa nel [...]

94 Op erati on UPS Modul e S t a rt- Up When a UPS mod ule has b een shut down for any re ason, use thi s procedure t o st art-up the UPS module t o pro- vide fi lt ered, re liabl e power t o the crit ical bus . Thi s proced ure gives step-by-s tep ins truct ion s for contro ls to opera te and cond iti ons to observ e. Y our presen t situa tion cou[...]

Ope rati on 95 Figure 60 Modu le S tart-Up P rocedures S creen Se lect th e Wa l k- I n scr e en on th e LC D di sp la y . St e p 3 . T o energi ze t he UPS module , manua lly clos e th e input circ uit bre aker (CB1, F i g u re 8 ). This will prov ide power to the rec tifie r . Use the W alk-In screen t o monitor t he Module DC Bus v oltage . The [...]

96 Op erati on The Ba ttery bl ock i n the Moni tor/Mim ic Dis play i ndica tes th e batte ry volt age and c har ge curre nt. Use th e Monitor/ Mim ic Disp lay scree n to det ermin e the condi ti on of the UP S module . Press t he Alarm Rese t pa d to cl ear t he Al arm Mes s age s. Ref er to Ta b l e 1 for an explan ation of any re main ing alar m[...]

Ope rati on 97 3.3.2 Load T ransf er Procedures Use th e Monitor/ Mim ic Disp lay at the SC C to det ermine the op erati ng cond ition of the UPS system . Press the Alarm Res et p ad to cl ear t he Al arm M ess ages . Ref er to Ta b l e 1 for an ex planation o f any re main ing ala rm mes- sa ges (excep t Load On Bypass ). Call Liebe rt Glob al Ser[...]

98 Op erati on Maintenance Byp a ss Load T r ansfers T o manual ly tr ansfer the l oad betwe en Mainte nance Bypas s and the UPS sys tem bypas s line, car efull y foll ow thes e inst ructio ns. Do not tr ansfe r the loa d between Mai ntenan ce Bypass an d the UPS syst em (module inve rter s) output . Us e the SC C Monit or/Mi mic Displ ay s creen t[...]

Ope rati on 99 3.3.3 Shut down Procedures System Shut down Procedure Perform a S ystem Shutd own Proce dure when you want to re move po wer from the UPS sys tem and Syst em Con- tr ol Cabine t (SCC) when require d for mainte nance , or if you need to perform mainte nance on a UPS module in a non-re dunda nt syste m. Before perfo rming any mainte na[...]

100 O perati on St e p 3 . If mainte nance i s requi red in the ar ea of the SC C control s or t he moto rized s ystem c ircui t bre akers ( UPS Output a nd SBB), transfe r the load t o the Maint enance Bypass, i f avail able. a. Cl os e th e Mai ntenan ce Bypas s B rea ker ( MB B). b. Open the Ma inten ance Isola tion Brea ker ( MIB). c. Open the [...]

Operat io n 101 Module Shut down Procedure Perform a Module Shutdown Proc edure whe n you want to remove power fr om a UPS module when r equired for ma inten anc e. Before perfo rming any mainte nance on your Lie bert Seri es 600T UPS, obse rve AL L of the W ARN INGS in 4.0 - Maintenance . Use th e module Mo nit or/Mimi c Displ ay to dete rmine t h[...]

102 O perati on St e p 3 . M anua ll y open the UPS input ci rcuit bre aker by mo ving the ha ndle to the OFF pos it ion ( Figu re 8 ). Retu rn to th e Moni tor/ Mimic Di spla y to ve rify s tat us of t he circ uit breaker s. Pres s the Alar m Reset p ad t o cl ear alar m me ssa ges. St e p 4 . If maintena nce is requi red on the UPS contro ls, tu [...]

Operat io n 103 3. 4 Au tomat ic Op eratio ns The Lie bert Se ries 60 0T UPS system is desi gne d to func tion while u nat tended by a n operato r . The syste m con- tr ol lo gic moni tors the pe rfor mance of t he UPS, the a vaila bi lit y of power s ources, a nd the c urrent req uire d by the cr it ical l oad. The s yste m contro l logi c at the [...]

104 O perati on 3.4.2 Auto mati c T ransf ers to B ypass The UP S syste m will in iti ate an a utoma tic l oa d tran sfer to the bypa ss li ne if a n overl oa d condi tion excee ds the curre nt vers us time curve of system overl oad cap acity , or capac ity of the module s on-li ne, or if specif ied UPS syste m fault s occu r . Note that when the U[...]

Operat io n 105 3.4.4 Automatic Module Off-Li ne For s pecif ied UPS modu le fa ult s, the c ontrol lo gic wi ll i nit iate a n auto mati c isola ti on and shut down of the UPS modul e. In the Mod ule Of f-Lin e mode the output, ba tt ery (MB D), and input c ircui t breake rs are ope n. If t he UPS syste m was operat ing in the re dundant m ode whe[...]

106 Ma intena nce 4.0 M AINT ENAN CE If you re quire ass istanc e for any rea son, call t he toll- fre e Lie bert Globa l Ser vices numb er: 1-800-54 3-2378 . For LGS to assi st you exp edient ly , pleas e have the foll owing i nformat ion avai lable : 4. 1 Safe ty P recau tions Obse rve th e safe ty pre cauti ons in 1. 0 - Introducti on . O N LY q[...]

Maint enanc e 107 W ARNING EXTREME CAUTION IS REQUIRED WHEN PERFORMING MAINTENANCE. BE CONST ANTL Y A W ARE THA T TH E UPS SYSTEM CONT AINS HIGH DC AS W ELL AS AC VOL T AGES. W ITH INPUT POWER O FF AND THE BA TTER Y DISCONNECTED, HIGH VOL T AGE A T F IL TER CAP ACITORS AND POWER CIRC UITS SHOULD BE DI SCHARGED WITHIN 30 SECONDS. H OWEVER IF A P OWE[...]

108 Ma intena nce 4. 2 L iebert Glob al Service s S tart-u p, UP S mainte nance , batte ry main tenanc e, and tr aining pro gra ms are a vaila ble fo r the Ser ies 600T UPS through yo ur Lieber t sales repres entat ive. Profe ss iona l St art- Up UPS S tart-Up - Liebert’ s Custome r Engin eer s per form a tho rough non-p owered i nspec tion o f t[...]

Maint enanc e 109 4. 3 Ro utine M ainten ance Y ou are encourage d to become thoroug hly famili ar with the equipment , but at no time s h ould you go be yo nd the spe cific pr oce dures i n this manua l whil e pe rforming m ainte nance or c orrecti ng a malf unct ion. I f you hav e any doubt as to wha t must be done , call Lie ber t Global Servi c[...]

1 10 Maint enan ce 4.3.3 Battery Maintenance Bat tery S afety P rec auti ons Servic ing of ba tteri es should be p erfo rmed or supervi sed by perso nnel knowle dgeabl e of batte ries a nd the requi red precauti ons. Ke ep unauth orized pe rsonne l away from batteri es. When r eplacing batt eries , use t he same num ber and type of b atter ies. W A[...]

Maint enanc e 111 Battery Saf ety Precautions In Fre nch Per CSA Requirement s Instruc tions Import ant es Concernant La Securit é Conserver Ce s Instruc tions ADVERTISSEMENT DES PIECES SO US ALIMENT A TION SERONT LAISSEES SANS PROTECTION DURAN T CES P ROCEDURES D’ENTRETIEN. U N PERSONNEL QUALIFIE EST REQU IS POUR EFFECTUER CES TRA V AUX. LES FU[...]

1 12 Maint enan ce DANGER L ’élect r olyte est un acide sulfurique dilu é q ui est dangere ux au co ntact de la peau et des yeux. Ce produi t est corrosif et aussi c onducteur e lectrique. Les proc édu res s uiva nte s de vron t êt re o bser vée s: 1. Por t er toujours des vêtements protecteurs ainsi que des lunettes de prote cti on p our l[...]

Maint enanc e 113 Regul ar m ainte nance of t he batt ery m odule is an a bsolu te nece ssi ty . Per io dic ins pecti ons of batte ry and t ermin al volta ge s, spec ific grav it y , and conne ction re sis tance shou ld be made . S trict ly foll ow the pr ocedure s outli ned in the b att er y m anu fac tu rer ’ s m an ua l. V a l ve-regu lated l [...]

1 14 Maint enan ce Matching Battery Cabinet s (Opti onal) Althou gh the i ndividua l batte ry cell s are sea led (val ve-regul ated) a nd require on ly minima l maint enanc e, the Batt ery Ca binets sho uld be giv en a peri odic i nspecti on and el ectric al check. Che cks shoul d be performed at l east annua lly t o ensure y ears of t roubl e-free[...]

Maint enanc e 115 4. 4 Det ect ion of T rouble Ther e is no practi cal way to anti ci pate an impendin g malfunc ti on. It is impo rtant th at the ope rator che ck the ins trumen t readin gs if abnorma l equi pment perfor mance is suspe cted. It ems t o che ck in clu de: 1. Output vol ta ge of all phas es should be wi thi n 2% of normal volta ge. O[...]

1 16 Maint enan ce 4. 5 Rep or ting a Problem If a proble m occurs with in the UPS, re vi ew all al arm messages al ong with ot her pert inent da t a. This inf ormati on shou ld be giv en vi a tel ephone t o the Li ebert Field S ervice Region al Offi ce ne are st you. Th is inf ormati on c an also be autom atic ally sent by telep hone modem. Call 1[...]

Specif icat ions and Rati ngs 117 5.0 S PECIFIC ATIONS A ND R AT ING S 5. 1 Rat ing The kV A and kW ratin gs and the nominal v olt ages and curr ents for c ontinuou s operat ion are li ste d on the unit nam eplat es (insid e Opera tor Co ntrol Panel door) and o n the Syste m One-Li ne Diagra m. The UPS is rated to deli ver rate d kV A a nd rate d k[...]

1 18 Speci fica tions and Rat ings 5. 2 E nv iro nme nt al C ond iti ons Enclo sure: The U PS i s h oused in a N EMA-1 e ncl osur e. Th e e nclosur e is desi gned fo r indoor us e only and is not to be sub jected t o fallin g objec ts or prec ipit at ion. Recomm ended O perating Temperatu re: 25° C Maximum Op erating Tem perature: 40 °C (desi gn [...]

Specif icat ions and Rati ngs 119 5. 3 Ad justme nt s All adj ustm ents are set a t the fac tory or dur ing sta rt-up and norm ally do not have t o be field re adjus ted. • Input Curr e nt Lim it: Norm al, 1 1 5%; on genera tor (wi th opt ional c ircuit ), 100 %. • Battery Ch ar ge Curren t Limit: Normal , 10%; on gen erator (wit h opti onal ci[...]

120 Speci fic ations an d Ratings 5. 5 Elect ric al Spec ifica tio ns RECTI FIER INPU T Input Vo ltage: Standar d v oltag es—208 VAC, 480 VAC, 600 VAC. Other volt ages avai l able o n reques t. 3 - phase, 3 - wire plus ground. Voltage R ange: +10%, - 15% (no bat tery di scharge at - 20%). Frequency R ange : 57 Hz to 63 Hz. Subcycl e Magnetizat io[...]

Specif icat ions and Rati ngs 121 CRIT ICAL L OAD OU TPU T Outp ut Voltage: Standar d volta ges—208Y/ 120 VAC, 480Y/2 77 VAC, 600Y/346 VAC. Ot her volt ages av ailab le on request . SCC output: 3 - phase, 3 - wi r e plus groun d or 3 - phase, 4 - wi r e plus ground . Module out put to SCC: 3 - pha se, 4 - wire plu s grou nd (neu tral requi re d).[...]

Revi sed: Feb ruar y 1999 Se ries 60 0T ™ UPS Mul ti-M odul e Thre e Phase 65 kV A to 750 kV A; 60 Hz T e c hnic al Su ppo rt T he Compa ny Beh in d The P ro duc t s W ith more than 500 ,000 ins talla ti ons arou nd the globe , Lieb ert is th e world lea der in comp uter p rotect ion sys - tems . Si nce its foundi ng in 196 5, Lieb ert has deve l[...]