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Liebert PDUTM User's Manual

1. 49509 LAdNI 9 822 05 Pu psc oF De WN EYL 96 53 09 1vOIHLOd14 WOOT ONY TYNOILYN HLIM dONVOHOOOV NI 38 OL SI ONIHIM TIY S GSHCNSAWWOOsY LON S318VO WANIANTY QV TO 3ddO9 ANY Sd 18v2 LAdNI INO LINGNOS JLYYYdJS NI NOY GINOHS SATEVO LNdLNO LInIawoo 31vevd3s NI 38 LSNA ONTYIM ANY ONISIA IOHLNOO MOIHL SUV SUYVESNE ANNOYS ANY JSYHd SYSLAWIMIIN SIHONI NI SNOISNINIA 1 SALON 98 3Ounos 89g LNdNI c 3Odnos LAdNI dOdnos 246 3OWHnos LNdNI 3991005 3ounos vego 99 UL 37 wings Installation Dra t with CB3 inpu 800A STS2 PDU i ions Id connecti ie ical f 28 Electr Figure YLOLLdSd J3 42S1S 3yTvN 3114 AARC 0901 ON OM J NOSINI dY 008 LNdNI HEP t A SNOILO3NNOO 1VOIH LO3 14 VNOINSVO A 1 5 exec ert du vv SL SI dA rez Svr EFI se 9 9G ww e e O O S3OVd 8 dAL WIN OL S3OVd 9 vid WW VL VIGO 98 dAL 809 LAdNI 8761 St cvy sr
2. AX 009 00v VNONHVO A OSNIAAVMHO 3NITLOO A8 SHONIH 440 1417 M SHOOQ TV SS300v CHONIH MAIA dOL SESAM POCE DK INOLLOS d3s 9 621 AHLN3 LINONOO dAL6 L JOYLNOD dOL V llv13d aas S30V1d b dAL v3tlv LINGNOD WOLLOG Xi2 8 Vad V uvlad AHLN3 LInONCO S3oVid Je Xu SAO 9 dAL V3HV LInaNoo aaadans OOGUDOUDO INOLLIOS poOg0Douuo F 4X d VE HV 9 X V0L eb LINGNOD dOL AYINI LInINOO H3MOd NOLLOS ome IOAN AGIA X90718 MAIA Adis MAIA 1N LON V3MHV gov Ida 221 LINS OL HONNd SAOWSY S31V ld SS30O0V d 1HVAOIW3H AH LN3 3 18V9 WOLLOS ONY OL G2 X 86 X V AZIS AdAL 318vsOdSIQ OL SHOOd N3dO 6 ONIIGNVH 1L4l DiO3 uo3a1vnoaav ATIVENLONYLS SI LINN S88 HH N LE 002 0 XOMddV 009 HH MM 06 S YH NLA 0t L OZ XOYHddY 00 Lnd1no Lv3H Z LL S LIHM 330 9 6D SNUIONVH 3 IIHM TIVOLLH3A 40 D340 91 NIHLIM L3NIEVO ANO ACIS LHOIY NI QSYINDAY SS399V JDIAYAS NOLLVTIVISNI HOLIAAS 110201 A3M LSnVHX3
3. 27 Figure 18 Outline drawing 800A STS2 PDU with left side output breaker or I Line distribution 28 Figure 19 Outline drawing 800A STS2 PDU with left side inline distribution 0045 29 Figure 20 Outline drawing 250A STS2 PDU with key lockout switch 30 Figure 21 Outline drawing 400 600A STS2 PDU inline distribution right side with key lockout Switch Optionen ec Be Eum rpm eO UA eT PUR LR COE e ad ERE 31 Figure 22 Outline drawing 800A STS2 PDU inline distribution right side with key lockout switch s que eer TWEEN ue WM EN EE 32 Figure 23 Electrical field connections 250A STS2 PDU input output with 8 33 Figure 24 Electrical field connections 250A STS2 PDU input with 34 Figure 25 Electrical field connections 250A STS2 PDU input with amp 35 Figure 26 Electrical field connections 400 600A STS2 PDU input with 8 36 Figure 27 Electrical field connections 400 600A STS2 PDU input with and 37 Figure 28 Electrical field connections 800A STS2 PDU input with 38 Figure 29 Electrical field connections 800A STS2 PDU input with and 39 Figure 30 Electrical field connections 250A STS2 PDU o
4. 119 14 2 11 RS 232 Interface Parameters 120 14 2 12 Maintenance By pass ded Soe Veg Wes tee e sto a Ue Le E ee a ge 120 1472 13 Fuseless D sigmi osse nex ee Sete toe ES Ie ein ap Toe b etes 120 TA tss rre eco ave scel dedi cr SS tM Een 120 iii 15 0 EVENT MESSAGE HELP 121 16 0 MAINTENANCE EROR ROC PERO CR eae Sond CR RE 144 16 1 Proper Tightening of Nuts and Bolts 144 16 25 Testine the o 921 P Du e btt GE Mee thes dy 144 16 3 Changing the Air 144 17 0 CUSTOMER SETTINGS rror vo ko Co ROSA Ge Ge ERR C C HECTORE A ee t c 145 17 1 Programmable Relay Board Settings 145 17 2 Input Contact Isolator Settings rset to endea eee hh hh 146 FIGURES Figure 1 Recommended derating for high altitude 6 Figure 2 Maximum ambient temperature for full load operation at higher altitudes 6 Figure Typical STS2 PDU one line diagram 9 Figure 4 Typical STS2 PDU one line diagram with dual static switch output circuit breakers not available on 25
5. A Re Sid 12 5 0 OUTPUT POWER WIRING 13 5 1 Customer Connections 4 2 22 400 are tenis LEER AE e Bee des 13 6 0 OPTIONS Quos AO ge YS Tle ARIS AoA Oa Od 14 6 1 Programmable Relay 14 6 2 Input Contact lsolator Board i eer RE ed WORE OD aE on 1 14 6 3 Comms Board ats eso tod Adam eei dar pest fy Oy rad reu QoS dA aa 15 6 4 Internal Modem e overdue Sd BORA seva ERAS 15 6 5 Network Interface Card 15 6 6 Remote Source Selection a oor e VE DE OA DS A wt Resp EA aco wer Sup Pd No 16 6 7 Key Lockout Switch re ove ey reet red eA bo OP Re 16 6 8 Static Switch Redundant Output 16 6 9 Inline Panelb ards etm IRURE MEET Ye X AW NER RW HERES 16 6 10 J Line Panelboards gu Rr a ee ey eR 16 D PL ubfeed Bred kere est p eda Biba E PLURES LINER POS E 16 p 12 K Factor Transformers e co oe to paio a doct ORE oo 16 6 13 Surge Suppression 16 7 0 INSTALLATION DRAWINGS uU be Be o ec a 17 8 0 8 1 8 2 8 3 9 0 9 1 9 2 10 0
6. Vid WAZ G c 869 ANY 3ZIS LINGNOO LINS OL HONNd SAOWSY S31V1d SS300V ATEVAOWAY HONOUHL 3 TI8V ASLN3 3 I8v2 INOLLOS ANY 01 F SC X AZIS 3 18VSOdSIQ HALTS 39v IddH OL SHOOQG N3dO LL Asvd LINN HLVSANYSONN S31OH ONILNNOW LINN OLNI Q30V38HL 38 LSNW SL108 ONILNNOW r e XOUddV SI LH3SNI 1 AHL 13315 Q3ZINVATVO YS OL 2 Ad GALNOddNS SI ONILNNOW HOYG OL Sudlsvo YSQNN dargogdris 3d ASNW LINN JHL JO LHOI3A SHL SI QNVLSHOO 14 dl ILON ONVIS H0014 HO 2115195 GASN SATOH ONILNNOW I3OV3HHLI 6 HH MM 69 YH NLA 06S L L d L no 8 ONUIONVH ALVNOAGV ATIVENLONALS SIWOLLOd LINN Z ALIHM WAI 9 ONUIONVH 3 IIHM TVOLUHSA JO 930 51 NIHLIM L3NISVO daa 8 A INO AdIS LHOTH NI SSADOV 3OIAHSS NOILV TIVISNI t LSNVHXG GSYINOAY LINN 3AO8V 3ONVHY3TO ASP 81 LO9L SH10 5 LHOI3M XOMWddV Z ANY SIHONI NI SNOISN3IAIC TIY SALON 05 VNOIWSVO A SHONIH 340 1411 SHOOQG 119 ONIMS SHOOC 1 lt 07 T3NYd SSA900V GAONIH MAIA dOL gt VOL Xu PL ub SX ub V33V AM LNG Wad AMINA LINGNOD TOYL
7. NOILOANNOOUMALNI TIV MOIHL SYVESNE GNNOYD 8 TVHIOSN SMALSWITHN SIHONI NI SUV SNOISN3IAIC 17 7 SALON NAd ZSLS dV 008 OMG VNOINHVO A8 NOILOAS Q3AOW3M STANVd IN3OOV HLIM M3lA 3GIS 1931 6L0LLdSd W140 avasna 8 8NOCILO3S 338 WHLNAN 33S Wdvasna IV LO3N lI VL3ad svasna 335 Yasna 6LO0LLdSd OM V WNOILOAS 33S NOILO3S 47 Installation Drawings breaker section 800A STS2 PDU interconnect wiring Figure 38 Electrical field connections OIHO engiAnoo NHOCSHY3O 090 NOSu3IN3 Leger ing 5151 3 3114 Ndd ZSLS 008 NOILOAS ONIYIM NOILOANNOOUYAINI SNOILO3NNOO 91314 TWORWLOATA VNOINWMHVO A A8 uvasna GNNOYD dvasnd c cd adsl cedl adri 9 Leal 8 1 aadel 8 DDEL 1 age 9 VVEL L dl 996 9 VV6 a 999 9 VVv8 ciat dH 9 VV 1 81 JAIM Q T3IHS 0 x x ex ex LX LX cH LH LL INO J NOILOAS OL NOILOAS 515 NOILOANNOOYALNI Suvasnga WHLNAN Y PEL OL LLWON NOLLOANNOOUYALNI E Leal cal NOILO3S 515 2 9 NOIL
8. MU TES 115 14 1 4 System Current 115 l431 5 ks te eae NEA quede tees ed aite sata Ba Raine qa 115 14 1 6 Electrical Requirements 116 LAE Surge Suppresslols 56xu suos v ure iesu veste e eres xS heed e 116 14 13 Response Time 3 coss oe Ohba ete RAN teme E n erede 116 14 1 9 Environmental 116 System 116 1422 1 Enclosure VAM VEL E heal RR ae 117 14 2 2 Caster and Leveling 250A 117 14 2 3 POONER sr Byte iat e esu Kio AT UB ee Ns 117 14 2 4 ACCESS Ai ani Saks wig s e des te aaa alee danke d a ey 118 1425 Circuit Breakers em us cheat ths ee M es eed dh ose uet ane Gub s ecd o a cee ot 118 14 2 6 Cable Entrances c ase BRAS Ra eee e do Ee 118 14 281 DOORS 118 14 2 8 Color Graphical Display sy se eese Pectore a a 118 14 29 RS 2923POEL CE ense ate Pa ve NS cet ashen 119 14 2 10 Terminal Port
9. 14 2 12 Maintenance Bypass The STS2 PDU is configured to allow the unit s electronics to be bypassed to either input source for maintenance without interruption of power to the load The STS2 PDU is furnished with key interlocked maintenance bypass breakers to configure the bypass STS2 PDU units have all electronics isolated from the input output and bypass connections to allow safe servicing of any components without access to hazardous voltages when the unit is in mainte nance bypass See 10 4 Maintenance Bypass for instructions 14 2 13 Fuseless Design All STS2 PDU units are fuseless 14 2 14 Options The following options are available for the STS2 PDU Panelboards Subfeed Breakers Internal Modem K Factor Transformers Surge Suppression System TVSS Redundant Static Switch Output Breaker Programmable Relay Board Comms Board w SiteScan and Modem Interface See 6 0 Options for more information Input Contact Isolator Board Network Interface Card NIC Remote Source Selection Key Lockout Switch Export Crating 120 Event Message Help Text 15 0 EVENT MESSAGE HELP TEXT Key ALL CAPS Event message displayed in the Event Display panel in the lower left corner of the LCD Indented text Help text shown in the Display Panel in the lower right corner of LCD BOLD Commands that are sent through the RS 232 port 1 SCR SHORT Source 1 SCR Short One or more of the SCRs for Source
10. input and output power feeds must include an equipment grounding means as required by the NEC and local codes An insulated equipment ground conductor is recommended to run with each input and output power feed The equipment ground conductors should be at least the minimum size conductor per the NEC based on the upstream overcurrent protection device A WARNING If conduit is used as a grounding means adequate electrical continuity must be maintained at all conduit connections The use of isolating bushings with a metal conduit can be a safety hazard and is not recommended Control Wiring Connections No control wiring is needed on the standard STS2 PDU Certain options and remote monitoring con figurations require external control wiring See 6 0 Options for details The customer must supply control wiring to the STS2 PDU for connection to any monitoring or com munication options Top and bottom removable conduit plates are provided for control wiring conduit Control cables can be installed through the top or bottom of the unit through removable control con duit plates top hat is provided on the 400 6004 units for connecting the top entry control wiring conduits see Figures 13 through 21 The top hat is turned upside down and ships inside the unit It must be removed from the unit and flipped 180 degrees before being reinstalled see Figure 49 The control wiring top hat does NOT contain any knockouts for conduit The ins
11. CAYINDAY LINN 3A08V SONVEVATO AWZSE 81 6 oxorve sgoecs v009 oxZelz 5 0 VOOR LHOI3M XONddV Z SYJ LIATIN SIHONI NI 34V SNOISNAWIC mer k E EZ t er 1981 SALON 31 wings Installation Dra lon tch opti th key lockout sw ht side wi ig r lon distribut line in 800A STS2 PDU 22 Outline drawing Figure 1080 LdSd JNITLOIO CIOH 4518 3114 6229 OIHO Sngi noo 515 JAN 0901 ON H2LIAAS HLIAA OMA Z084 454 NOLLNGIMLSIG INITNI QSLNNOW 3015 dIAIV 008 A ONIAAVHC NAH ON 9MG 33O L3I1 M SHOOQG TIY 1 ONIMS S8 Xue ES V3duv ASLN3 LINANOD YAMOd LAdNI dol MAIA dOL WOLLOG ab ZX 0 6 AWLN3 LITIINOO JOWLNO2 dOL V IIVL3O 33S 53919 p dAL VAN AHLIN3 LINGNOS 1nd1no WO LLOS ah X 9 S30Vld 2 dAL AHIN3 LINGNOS a3a4ans WOLLOA S3OV Id v dAL OOL 0 LINGNOD Vuvlad 9 LNdNIWOLLOG 1 ANY 3ZIS LINANOD LINS OL HONNd SAOWSH k an S3lvid S9320v 3 18VACW3H HOnONHL _ ASLIN3 WOLLOG ONY dOL OL MAIA ACIS LHOIY X92 i YIL 32V IdddH CL SYOOd N3
12. dAL LOAN Wiad CEXGL XKOUddv avdsnd Lndcno S3ovid dAL LAN Wad CEXGL KOUddY uvasnd z SONOS S3ovld p dAL LAN WAd L c V CC XS XOtddv A S3d02 IVOIHLOd WOOT ANY TWNOILYN HLIM HONVOSHOODOYV NI 38 OL SI SNISIAA TIY UO30N3AINOO3MW LON 3HV Sd I8VO WANINN TY OV TO S3ddOO ANY WANIANN S318V29 LAdNI WO LINGNOS 31Vvesvdds Y NI da dqinoHs S318V9 LAdLNO LINGNOOS 31VHVd3S NI 38 LSNW H3AMOd MOlHL JUV SHvgasna aNnoso 8 TWHLNAN 3svHd Z SHALAWITHN SIHONI NI SNOISN3IAIC 17 71 SALON A SNOILOANNODS 1914 1IvOld 193 13 S THNVd IN3OOV 8 SHOOQ HLIM MAIA LNO4 9 1 13 suvasng 395 uvasne 1ndino WHINANn 8 IVHLOSN 33 wings Installation Dra Figure 24 Electrical field connections 250A STS2 PDU input with CB3 49331042515 SN 3114 6zzev CIHO SngiAn 02 NYO9YY30 0901 avd deed EU OMG 338 OLOLLdSd als amo id lt S3OV ld dAL NIN EL 1 13 Jvgsna V Iv 13d Wuvasna aounos SNO
13. 0901 L 3lva ON Ad 515 egerit q MOIHL SI Vasa TWHLNAN Suvasna ANY ASVHd SYHALAWITIIN SIHONI NI SHV SNOISN3IWIG SALON vlad dvasra S3OV d dAL vb VII 95 009 008 ON OMG l3NIgVO LAdLNO AIS L441 NOMS A SNOILO3NNOO 91314 WOR LOATA A8 NAM Q3AOIN3 STANVd IN322V 8 SYOOd HLIA MIA 3815 1421 dSVHd 8 ASVHd V ASVHd 899 uvae 1 44 Installation Drawings 800A STS2 PDU with right side output breaker Figure 35 Electrical field connections 0 9 L cY ET JANA NHOSuV3O 0901 ON A3H NOSYAWSA eger 9001 LdSd 0J3C4 S1S 3yTvN 3114 9001 LdSd Oma NAd ZSLS dI Av 008 LANISVS H3 v4H8 LAdLNO ACIS LHS SNOILOANNOO 91313 TVOIH 03 13 dd MHO A A8 MOIHL cL SI YVESNE TWHLNAN MOIHL 38V Suvasrig ANNOYO ANY ASVHd SYALAWITIIN SIHONI NI SHV SNOISN3IIC 71 SALON svasra 5299 1 dAL 6D rss 95 annos TVLLOIHN 3SVHd 8 ASVHd V ASVHd 899 H3 388 LNd LNO STANVd IN3OOV SHOOG HLIM MAIA 5 LHOTH 45 Installation Drawings 8600
14. 6 6 117195 046 SNIddIHS 8797 Gero OMG 38 A8 A8 06 AYLNA LINGNOD TJOHLINOO dol vL 9961 Tv6P lt SSeT gt 29 wings Installation Dra lon tch opti 250A STS2 PDU with key lockout sw 20 Outline drawing Figure LOZI 2515 3114 6229 OIHO CO B LCL JANO 0801 alva e nad zsis Hegon 9303 1 M SHOOT 171 ONIMS SHOOT LNCMWJ 0b MIA dOL Su3 Vv3ug OL TANVd 5392 39NIH ACIS LOOHLIM NMOHS LINN LNOS4J V Tiv 13d OL 86 SALON 339 8 310H ONILNNOW 1 vid WW 8313441 AD Sie 8 69 gov dau ANY 2215 LINGNOO LINS OL HONNd Sd1V 1d SS390V 3 18V IIVAV AHLN3 318VO WOLLOd ANY dOl cl GG X S6 X AZIS d 18vSOdSIGQ YALA HIY 39V Idd OL SYOOd NAdO LL 3SV8 LINN HLVSNYSO0NN S3 10H ONILNNOW LINN OLN T3OV3HH E 38 LSNW SL 108 ONILNNOW v XOtddv SI LH3SNI WAG GA0VAYHL JHL 13915 Q3ZINVA IVO GEL vo OL Ad GALNOddNS SI NOLIVOOT9NILNDOIN HOY3 OL SUALSVO TIY aardoddris 3d ISAW LINN JHL JO LHOI3M 3H Q3Sf SI NV LSHOO 14 HI ILON ONVIS 7HOO lJ HO ONINOHONY 21015195 GASN 310H ONILNNOW C30V38HL 6 GIBH MO 69
15. Z0 kt LES ASHI OAL OOH SLIME SELLS iM Td 5 2 Ndd 2SLS ONY 515 JAHO NHOBHV3O 0901 NOlLdO AN 133 3 Ta vi VO OMWHd TOSHINOO BER ole OF 1 0 al eoo eo ed r o orm e x clo 1 o Tje e 9009 TWOIHL5S474 ONT HLAM 02 Ov 38 LSOIN ONTHIAN TT 8 2 3NNVHO digwvodg3uNwv4ls 318x313 SAWS Hr HUM CSHALSIN 291 13 008 HIONS1 37182 INIA 2 OVAS H8 vuooz agAoc SSN LYH LOVLNOO 9 avos AN 138 NvHOOHd JO NOLLIVOOT 803 INYSoOvIC NOILOANNOD IOHINO2 HOLIMS HdJ3SNYHI SILLS OL 4935 S LINONGS IWYS JHL NI GO3NISINOS 38 LON TORINO SN HIM H3MOd NOH3 31VvHvd3s 38 LSN 584 1 TOHINOOD 179 CTT TTT TTT TT NOLLdO Hog ee JIS YWIWHOOHd FHL ONNDIINOD TANT hae UG B29 1 S3ONVN3LNIVIN NOLUvH3dO NOLLCTTVISNI OL H3J3H E icraNado ATTIASHONEON C380 19 ATIWAHON ON NOWNOD 9 AO 37871 335 3NNYH2 Had S10 LNO2 AHG 2 04 2 HLIM STINNYH2 T NbIS 99 8 FOG PE 8 SSO ION NOLLdO 0098 Av TH8 C Fey SLNlOd NOI LZ SNNO2 TOHI NOS HSINO TS L SE SE PL TL CL IE OL 9 SNAH 20 t SA
16. Q Liebert Keeping Business in Business POWER DISTRIBUTION STS2 PDU INSTALLATION OPERATION amp MAINTENANCE MANUAL 2 E 250A 800A Three Phase 60 Hz es EMERSON Network Power CONTACTING LIEBERT FOR SUPPORT To contact Liebert Global Services for information or repair service in the United States call 1 800 LIEBERT 1 800 543 2378 Liebert Global Services offers a complete range of start up services repair services preventive maintenance plans and service contracts For repair or maintenance service outside the 48 contiguous United States contact Liebert Global Services if available in your area For areas not covered by Liebert Global Services the authorized distributor is responsible for providing qualified factory authorized service For Liebert Global Services to assist you promptly please have the following information available Part numbers Serial numbers Rating Date purchased Date installed Location Input voltage frequency Output voltage frequency TABLE OF CONTENTS CONTACTING LIEBERT FOR SUPPORT INSIDE FRONT COVER IMPORTANT SAFETY 5 1 1 0 UNPACKING AND INSPECTIONS 3 1 1 External Inspections 22514 obese SES AIG US 3 1 2 Unlo
17. SMC 515 NOILLOSIHISIO SANTINI GSLNNOW 3GIS 1391 008 ANTTILNO SHONIH 9303 M SHOOQ 48S X 262 VIJAY LINGNOOD dOL JAL HOOQ OZ MAIA dol aT OOL VAY ASIN LINGNOD TJOHLINOO NOLLOS Ov Id3H 2215 LIndaNOO LINS OL HONNd SAOIN3H S3lV d SSAQOV FIEVAOWSY HONOSHL 3 18V IIVAV AHJIN3 3 18VO INOLLOS ANY dOL OL Sc X SZ X AZIS 3dAL 3 Tavsodsiad HIL 39v IddH OL SYOOU N3dO 6 ONUIINVYH 1L3IDf803 HO aivnodgdvATIVHnionmgdlcs SI WOLLOG LINN 8 LL uH n Lg 0720 XOuddv 1 1 LV3H 7 440 Wal Y07100 9 ONITONVH 3 TIHAA IVDLLH3A 40 9L NIHLIM LANISVO d33M 301 L331 LNOYS NI SS399V ADIAYAS NOILYTIVLSNI LSNYHXI LINN 39NVHV3TO 81 ox 62c SATZIEE 1 XOWddV S3 L3 ATTTIIW S3HONI NI SNOISNANIG SALON dAL6L V IIV130 33S S3OV ld f dAL VAN AHIN3 ALINGNOS WNOLLOS S2oVid 2 dAL AHLN3 Iaadans WNOLLOS TANVd SSd399V CAONIH OOL X O LZ AHLNI LINGNOO LNdNI INOLLOS HILT 490718 LON Od YV MAIA LNOYS 117195 ONIddIHS 101 6 96
18. dO LNOOVEH OLIMS OWI angi 37 SATE NHOGHY 3O 0901 davo SAHOD ANdd esls 2515 NOlldO IN3OOIA TYNYJLNI Qqsuvog 5 TOY LNOO HOJO3NNOO LL v vlad 7 OOC kil 4000 mOOICONY MODI 38 LSNA SNTHIANCTTSC S CTHVOS SININOD JO NOILvVOO TSO HOLIMS DI Lv LS JO NOILLV2O1NOLL23NNO2 TOHLNO2 OL H3JJdH S LINGNOS 3INYS 3 SNITH ONTIHIA NAH dH LSN NOlLdO WIJO TNL SONVN3SLENISIAL NOLLSH NI OANIBIIOS 38 LON C ITIOHS H3ANOd NOH 3189s d3s LO TOHINOD 179 H FHL 03 TAMTA Ado NOLLVTTv LSNI OL Ya 3H E SI HLON313HL HOLOSNNO2 kera HUM 3 18v2 3 OHd3131l 3dAL 3ZIS SHIM ATalvuvdas aadaddo 38 1 SNA NOI LdO TeNH3LNI E SALON x SANIT ANOHdATAL OL SNOILYSINNAINOD SANIT ASO OM d34 AG WHO AG NAA SSLON 995 3190 SONILO3NNO2H3LNI adds garorsna 63 wings Installation Dra lon for the Network Interface Card NIC opt ing 54 Control wir Figure ON LO 3NNOZ3 L NI aariaaris Harmeolsro MHOM L3 NOI SNAH TO Sl LVN HLM SONS LINGNOS SINS JHL TOHLNO2 ONIHIM H3MOd 38 LSN SH3HLO JH3LNI HAMLIN le sd i NICH INO OHO U ANS
19. es dAL 9NIMS YOO 021 ae ee oe AMINE MAIA dOL vu i S MAIA WOLLOG dOL vl Pt c 21 ub LX 06 LINGNOD dAL6L OOL 0 AHLN3 LINGNOD YAMOd LOdNI INOLLOS 0 5 YI LON Od MAIA LNO3 OOL X 0 L2 AWLN3 LINGNOO TOYXLNOD INOLLOS 1119 G 6E DNIddIHS ETOT 046 DNIddIHS 69g 90 vu 996D 27 wings Installation Dra tribution Is ine d L de output breaker or I th left si 800A STS2 PDU wi ing draw Ine 18 Outl Figure OIHO engiAnoo 3AIHO 0901 081 6 1 515 3yIVN 3114 515 NOILDBIHLESIO Y3AYJH4 1 SM 3 OL X 06 ASLLN3 LICIONOO JOHINOO WoLLod DN TWOILYAA 40 930 SI NI A INO 3GIS 1431 0N LSNVH LINN JAOSV JON OMe6ZE SAIZIE SAHONI 39V Id3H ANY 2216 LINGNCO LINS OL HONNd SAOIWSH SALW 1d SSSADOV d IBVAOlNdH 3 18V IIVAV AHLN3 3 18VO WOLLOS 491 Ob X S X AZIS AdAL 3 1H vSOdSIG MALTA 32V Id3H OL SYOOd N3dO 6 1903 HOS 31vno aav ATTVYENLONYLS SI INOLLEOS LINN 8 811 0 2
20. 4 Select SAVE to keep the settings 5 Select OK for the applicable Programmable Options Board option in the Comm Options dialog box to activate the settings Configuring the Network Interface Card An optional Liebert OpenComms Network Interface Card NIC can be installed in the STS2 PDU to provide Ethernet connectivity via an RJ 45 port Ethernet cabling is the responsibility of the customer Category 5 cabling is required See 6 5 Network Interface Card NIC for more information on the NIC See the OpenComms Network Interface Card Installation and Users Guide for configuration instruc tions for the card If the optional OpenComms NIC is installed in the STS2 PDU Select YES for the Network Interface Card option in the Comm Options dialog box to activate the card 110 Touch Screen Display SiteScan Configuration An RS 422 port on the optional Comms Board provides communications with Liebert s SiteScan SiteScan is Liebert s system monitoring software that allows you to utilize a PC to monitor the Static Transfer Switch 2 Power Distribution Unit s status and check alarms See 6 3 Comms Board for more information on this board If the STS2 PDU will be connected to SiteScan Select YES for the SiteScan choice in the Comm Options dialog box to activate the card Saving Your Communications Configurations To save you communications configuration settings 1 When you have completed the Comm Options con
21. 6189 lt val E N olav NOILO3NNOO INdLNO 9 davai qdaddans avd SNd IvalndNaddvog TANVd NOILNEIYLSIG OL GSLOANNOO S TWHLNAN 591872 NOILLOGSLLSIC SNOILOANNOO TWHLNAN SQuvOogSTdNVvd pL NOILLOSILSIC 10 692 8 890 NIVIN 0189 1199 NIVIN 40 2142 q33dsns IVNOILdO 189 qdadans 41 SO WOb dS AOA 2515 3114 Installation Drawings Line panelboard STS2 PDU output with Figure 32 Electrical field connections 6 ZEP OIHO SANANA TOD CT 515 JAYO NHOEHY3O 090 avd ON 338 NOSYAWS m qa LOOlldSd LANIEVO ped amp NOILNGIYNLSIG ANIT LAdLNO ais Ss SNOLLO3NNOO 91919 WOM 19773 Snes Q3AON3H STANVd GaAOWSY IN3OOV 8 SYHOOd STANVd AHL 31VGONWIAOOOV SLINN v008 9 gt oL _voorooe 08 00 SHAVE ONIMOTIOS 8 1 1 33 svasrag GNNOYS V TIvL3d 395 5 TWHLAAN LAdLNO SHZMVIHB 09 001 OL JO ALLLNVND JIvdOWIANOOOV NYO SLINN 009 OSZ S3LON MHL XOHYddY uvasna 89019 02 0 ANNOY IN 21 81v130 VIG 99 WW OY 8E E H 9E 5 027 AN ZY
22. G2 X SC X AZIS d TavSOdSIG MALTA 32V Id3H OL SYOOd N3dO 6 L3lDIHO3 HO3 31vnoaav ATIVENLONYLS SIWOLLOG LINN 8 8 LL 19 O42 OF LV3H 4 JLIHM 330 9 ONITONVH TWOILYAA 40 D340 St NIHLIM L3NISVO d335 A INO 3018 LHOIH ONY LNOSH NI Q3HIQOSS S 3229V 3OIAH3S NOILVTIVLSNI LS0n VHX3 CAYINDAY LINN 3ONVHY31O INS 81 5x 64 Sg1c9 8 LHOI3M XOHddV suarawWrmimw S3HONI NI SNOISN3IIG 1 SALON WO LLOS ec 0 L2 AYLNA LINGNOO JOHINOO Wollod 88 X O12 VAN AYLNS LINGNOOD ANd no dol MAIA ACIS LHOIrdH r6v 5 FGX cE VINY MIIA dOL ASLN3 LINGNOO YIMOd dOL TANVd SSS909V MAIA 340 141 M SHOOQ TIV ONIMS YOO 0 EZE j T 06 AYLNS LINGNOS TOMLNOOD dol HILT 32018 LON 11145 ozs DNIddIHS 8t a 6 96 p v 96D 11148 6 6E ONIddIHS 26 wings Installation Dra istribution ine d In th right side i 800A STS2 PDU wi ing draw Ine 17 O
23. LL dSv8 LINN HLV3NS3ONO S3 OH ONILNNOW LINN OLNI Q3OV3SHLIE 38 LSNW S1109 ONILNNOW ddd XOYddY SI LYASNI WAZI GACVSYHL AHL 71H31S O3ZINVATVO 661 vo 01 GALNOddNS SI SNILNNOW HOYI OL SYALSVO TIY YJANN aardodans 3g LSNW LINN JHL JO LHOI3M SHL GASN SI QNVLSHOO 14 Al ALON GNVLS HOO l4 HO 21015135 GASN S3 1OH ONILNNOW 1 6 HH AM 69 YH NLA 069Z KOUddY LNdLNO 1V3H 8 ONTIONVH Mon DO ALWNOAAV ATIWENLONYLS SI WOLLOG LINN Z ALIHM 440 Wal 9 ONIIGNVH TVOLLSHA 3O 940 SI NIHLIM LANIGVO d33M S NI SSADOV 3OIAHJS NOLLVTIVISNI t I SnVHX3 LINN 3AOSY J3ONVHY3 TO AINZSV 8L 0190 SH101 1IHOIJA Z SYMALSWITIAD SIHONI NI SNOISN3IWIO TIV L SALON 821 AN LNA TOYLNOSD dOL vo AA LNA LINGNOD S3MOd dOL MAIA ACIS LHOTH 0 61 gu V 117130 33S VI LINGNOS 1 5 MAIA LNOYA VANV 1 NOILOS LNOYS YILT HIY 2018 LON IV 17 wings Installation Dra 8 Outline drawing 250A STS2 PDU with right side I Line distribution Figu
24. ON 9 GALNNOW 3015 1591 dWY 009 OOF ANILLNO MNOWEVSU A8 NMVO MAIA INO LLOS MAIA dOL S3ONIH 440 1417 M SH OOQ TIY dAL SNIMS 021 1SnvHX3 9 v MS Xu OL SED 98 X 12 2 VAN LINGNOD n sed 3M Od NANI WOLLOS LINGNOD LOr LdSd OMG 335 89 61 AYLNA LINGNOD TOHINOO uh X uP bo V3dv AYLNA LINGNOS H3MOd dOL Y41714 Y90148 LON OQ SBIVLNI MAIA 5 L441 LNOJ PLE 996D ESZ dol 61 25 wings Installation Dra istribution ine d L de output breaker or ight si thr 800A STS2 PDU wi ing draw Ine 16 Outl Figure OIHO engiAnoo SARC 0901 Hedger qi 10 00889 09 25151 3114 0081 LdSd ON Oma fYXdd csls NOILDBIHLESIO 3NIT LNdLNO GSLNNOW 3dIS dY 008 SNIAVMG SM 3 H VNOINNMHVO A A8 8 12 2 AYLNA LIDICINOO indino WOLLOG 0 0 X016 ALN LINGDNOD YAMOd LNdNI WOLLOd ANY 3215 LINS OL HONNd SAOIWSH S3lV d SSADOV d IBVAOIN3H 3 18V IIVAV AHLN3 3189 WOLLOS ANY dOL 01
25. SCRs Brick type SCRs are used rated to carry the full 10096 rated load The unit is a fuseless design with input circuit breakers providing overcurrent protection Logic Modules The logic contains three separate redundant logic modules The modules contain the logic necessary to run the STS2 PDU and control transfers and shunt trips under all circumstances without any out side assistance once set up and started properly Audible Alarm An audible alarm is installed on the control board This alarm is triggered by an alarm condition detected on the unit The alarm can be turned off from the touch screen Turning off the audible alarm does not clear or reset the condition that triggered the alarm RS 232 Port An RS 232 serial port is provided to allow an external terminal to be connected as another user inter face See 12 1 Using the RS 232 Port for more information 74 Operating Instructions 10 0 OPERATING INSTRUCTIONS CAUTION Before unit is placed into service for the first time after equipment relocation or after the equipment has been de energized for an extended period a thorough equipment inspection and supervised start up by qualified personnel are strongly recommended Contact your local Liebert representative or Liebert Global Services at 1 800 543 2378 to arrange for equipment inspection and start up After the initial equipment start up the following operating guidelines can be used for standard
26. Event Mask Settings For example the start of a System Settings command is SPT 2 where SPT is the system setpoints command and 2 is the group parameter for System Settings See 12 1 4 Setting Event Masks with the Terminal for instructions on configuring Event Mask parameters Item Parameter Each setting within the group is indexed by an item number as shown below in Table 15 These item numbers are also displayed on the terminal when you list the configuration setting for a particular group Continuing with the example to configure an Options 1 setting under System Settings the command would begin with SPT 2 6 where 6 is the value Options 1 Note the space between each parameter 89 Communication Interfaces Value Parameter Item settings depending on what they are use various value types Table 14 provides a list of the possible value types and their description Table 14 Value types Type Definition An integer numeric value the units indicated by the item name For example System Voltage Rating of 480 would indicate 480 volts Similar to the Numeric this value type is an integer that has been scaled usually to remove decimal Scaled points that would normally appear within the value In this case a value of 2 5 may actually be input as simply 25 For all Scaled types the scaling appears in Table 15 Strin Certain settings are represented by alphanumeric character strings such as set
27. This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured If this alarm is configured to automatically reset under the setpoints for User Settings the alarm clears itself when the I Peak condition clears If this alarm is set for manual reset mode the alarm continues to show as active after the current returns to nominal still inhibiting transfers You will need to manually reset the alarm If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard The alarm has triggered a message to be sent to the modem if so configured S2 I PEAK Current Peak on Source 2 The peak current from Source 2 has exceeded the setpoint as defined in the I PK Xfer Lockout setting under User Settings Transferring to Source 1 has been inhibited Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured If this alarm is configured to automatically reset under the setpoints for User Settings the
28. 10 1 10 2 10 3 10 4 10 5 11 0 11 1 11 2 11 3 11 4 INTRODUCTION TO STS2 PDU 5 69 System 69 8 1 1 2 son e P aee ER Wedel 69 8 1 2 Reliability and Agency Requirements 70 8 1 3 Factory Backup and Service 1 70 Modes of 70 8 2 1 Normal Preferred Source 70 8 2 2 Transfet os ee RE Bea hea ee e d 71 8 2 8 Eranster E er basses olo eu 71 8 2 4 ahh och as hese te as te ey a utat apes Ah toes Goce Meenas epee 71 Operator Controls eve arae RUE ep Lea Pee ORS hs 71 THEORY OF OPERATION 2s 22305 cios x Cao eae EUER DE eee 72 General Descriptions OES OE TRE EES A 72 9 1 1 Static Transfer Switch 2 Power Distribution Unit 72 9 1 2 Source Pransfer Re ee Ba ded Pie Bl Ae E s 72 9 1 3 Automatic 72 9 1 4 Himereency Transtet cic outa de aces
29. 61 SdOVd 8 dAL WIN OL S3OV ld 9 dAl AW EL Vid es dAL 5 LAdNI eu ven St 62 01 4009 T1VO2IH1L2d 13 1V201 ANY TWNOILYN 3ONVOHOOOV NI 38 OL SI ONIHIM TIY S GQ3ON3NWINOO3H LON dHV Sq18V2 WANIANTY QV TO H3ddOO ANY INONIIACUTIV 59190 LNdNI LINGNOS 3 vilvdds v NI GINOHS 5919879 LAdLNO LINGNOD 31vevd3s NI Nd 38 LSNA ONTHIM ANY ONIHIA SHVashg aNnmoo ASVHd SYALSWITIN SIHONI NI SNOISNSWIC TIV SALON Q3AOWHH STANVd IN3OOV 8 SYOOd HLIM MIIA LNOJ lI VvL3a avasna 33S HVa8sn ANNOYS V V NOILO3S 33S v 189 949 zgo vego igo sao yao NOILOAS Suvasna JIYNOS YJANN 031201 SI NMOHS LON uvdsna ANNONO 1 Yvgsng LNdNI 33S et JOYNOS STIANVd 1 999 HLIM MAIA ACIS 1331 VHEdoHnos OM 3 39 Installation Drawings 250A STS2 PDU output with inline panelboards Figure 30 Electrical field connections SNEWN109 0 NYOSUVAC 0901 001 515 1 3114 ON nad esis OM 3 egeris 8001 LdSd 0S LANIEVS NOILNGIYLSIG Sa ON OM gt ANIINI GYVOETANWd LNAdLNO
30. ATEVAOWAY HONOUHL 3 I8V ANLNA d I8v2 INOLLOS ANY 01 I S X AZIS 3 18VSOdSIQ HALTS el Vv 39V IddH OL SHOOQG N3dO bh 9579 LINN HLVSNYSONN INO SJ10H ONILNNOW LINN OLNI Q30V38HL 38 LSNW 51709 ONILNNOW r e XOtuddv SI LH3SNI 1 AHL 13315 Q3ZINVATVO vo OL 2 Ad aadrdoddfs SI NOLLY2071 ONILNNOW HOVA OL Sudlsvo uad dargoagdris 3d ASNW LINN JHL JO LHOI3A 1 SI GNVLSYHOOT dl ILON ONVIS H0014 HO ONIMOHONY 21015195 GASN SATOH ONILNNOW I3OV3HHLI 6 HH MM 69 YH NLA 06S L L d L 0 8 ONUIONVH Mone DIO ALVNOAGV ATIVENLONALS SIWOLLOd LINN Z ALIHM WAI SO lOO 9 ONUIONVH 3 TIHM TVOLEH3A 40 930 51 NIHLIM L3NISVO d335 8 A TINO ACIS 1391 ONY NI Q3 0d SSADOV 32IAHJS NOILYTIVLSNI E LSNVHXG asinos LINN 3ONVHY3T1O ASP 81 1091 SH10 5 LHOI3M XOMWddV Z SYILIAITIIN ANY SIHONI NI SNOISN3IAIC TIY SALON 0461 yu 21 wings Installation Dra Figure 12 Outline drawing 400 600A STS2 PDU with right side inline distribution O 00tLLdSdidNI LOO Od ZS1S 3yyvN engwnoo SAIHO 090 paqari CO E Lich 0071 LdSd ON AJY OM SS322V Q35NIH d
31. D AE 24 CB2 SHUNT TRIP FAIL CB2 shunt trip failed D AE 27 EQUIPMENT FAN FAIL One of the equipment fans failed D A E 28 INPUT 1 SURGE FAIL Source 1 input surge suppression module failed D A E 29 INPUT 2 SURGE FAIL Source 2 input surge suppression module failed D AE 64 HEATSINK OVERTEMP Heatsink has exceeded the recommended temperature A E 65 EQUIPMENT OVERTEMP Cabinet has exceeded the recommended temperature A E 67 S1 UV Source 1 under voltage fast detection 68 S1 UV RMS Source 1 under voltage slow detection 69 S1 OV Source 1 over voltage 70 51 OF UF Source 1 over frequency under frequency A E 71 51 FAIL Source 1 failure 72 52 UV Source 2 under voltage fast detection 73 52 UV RMS Source 2 under voltage slow detection A E 74 52 OV Source 2 over voltage 75 52 OF UF Source 2 over frequency under frequency A E 76 52 FAIL Source 2 failure 77 S1 OVERCURRENT Source 1 over current 78 S2 OVERCURRENT Source 2 over current 79 51 I PEAK I PK on Source 1 D F A 80 52 I PEAK 1 on Source 2 D F A 85 Alarms and Faults Table 12 Event messages continued ID Alarm Message Description Cause Action 81 SOURCES OUT OF SYNC Source 1 and Source 2 are out of synchronization 82 LOAD ON ALT SOURCE The output load is running on the altern
32. NOLLY TIV LSNI P LSNWHX3S GSYINOAY LINN 3ONVHY3TO 8L 5910889 009 9 S970027 VOOR LHDISM XOUddV SYJ LJAITIIN S3HONI NI 3HY SNOISN3MWIG SALON ud Xab bo YJYY LINAINCO LNdNI dol MIIA 3GIS LHOTH ccaD WOLLOS 9 Z 3dAL ASLNA LINGNOO LNdNIWollog ON Oma ANS dWY 009 00v VNOWWHVO A ANTILNO MAIA 01 0ZL SSONIH 440 4 MAIA iM SHOOQG TI ONIMS YOO 1SNYHXI uv Ore LdSd 33S 89 X62 AHLN3 XO8 LInONOO JOHINOO dOL deos dnte Xue LZ Z X 1z Z AMIN3 1 AMINA LINQNOD LINGNOO NOTES dol Malla 40018 LON VdHV 3MVLNI 198 vt 3960 23 wings Installation Dra tribution 15 ine d In ide i th left s 600A STS2 PDU wi ine drawing 400 14 Outl Figure VO ZOV V LdSd 3NITILOO DOd ZSIS AWN 3714 OIHO Sng An TOO 0 6 C Ndd ZSLs NOSUSWS arva A3H NOLLNEIMLSIG 3NIINI oma H q 0959 301S 1437 ON DOE Ag VNOWHVO A SNIAAVHO INNLNO NMYYG MAIA WOLLOG V vlad
33. 1 fails an external light flashes See 6 1 Programmable Relay Board for more information on the PRBs The programmable relay board dialog box with two options STANDARD SET and USER DEFINED SET The STANDARD SET are the factory configured settings The STANDARD SET for the programmable relay board settings are Table 19 Standard settings for programmable relays Relay Setting Definition 1 SOURCE 1 FAIL Source 1 failure 2 SOURCE 2 FAIL Source 2 failure 3 BYPASS CB4 CLOSED Switch CB4 is closed Source 1 is bypassed 4 BYPASS CB5 CLOSED Switch CB5 is closed Source 2 is bypassed 5 TRANSFER INHIBIT A transfer between Source 1 and Source 2 is being restrained The phase difference between sources 1 and 2 exceeds the 9 CUP OR SING allowable threshold for transfer The ambient temperature of the ProductName exceeds the D recommended threshold for operation 8 Blank No setting The USER DEFINED SET allows you to assign faults and alarms to each contact on the relay boards Utilizing the USER DEFINED SET you can also select Input Contact Isolators to associate with a programmable relay In addition individual events three other assignment choices are available SELECT ALL sends a summary event to the selected relay whenever any event occurs If this set ting is selected for a relay no other event needs to be assigned for that relay ON SOURCE 1 or ON SOURCE 2
34. 25 sec Overload Capability Table 24 Unit short circuit withstand capability Unit Voltage Unit Amps Withstand Capability 250A 100kA 208 240V 400 600A 100kA 800A 100kA 250A 65kA 380 480V 400 600A 100kA 800A 65kA 250A 25kA 600V 400 600A 25kA 800A 42kA 14 1 7 Surge Suppression The static transfer switch is equipped with transient voltage surge suppression on each input for surge suppression The surge suppression is capable of protecting the static transfer switch from operating outside of tolerances due to surges as defined by IEC 1000 4 5 1 2 50uS surge 2kV CM and 1kV DM as required under EN 50091 2 Optional surge suppression modules TVSS are available for each input of the STS2 PDU for surge protection of the transformers 14 1 8 Response Time A dual level fast slow transfer threshold is used for under voltage detection to allow the STS2 PDU to be compatible with UPSs and generators The voltage thresholds and the slow transfer delay time is user adjustable The fast transfer delay time is less than 4 ms The over voltage detection uses a single threshold with programmable level and delay time See User Settings on page 101 for instructions on configuring these settings 14 1 9 Environmental Requirements See 3 0 Locating The STS2 PDU for details concerning environmental requirements for the STS2 PDU 14 2 System Components All STS2 PDU models pro
35. 38 15 xvod SN TWIAIAINIIA A QO SH313 008 SINGS 40 NOI LVOOTHO3 HS NOILOSN IWYS 3HL NI CI OO H3MOd J1vHYd3g SHSHLO AB ONIHIM TOHLNOD TIv SONVN3LNISTIN 9 S300 0820 7 o2 FHL S 1 334 0001 H Boece SOIT NHOGHV3O 0801 8 vlad 9591 Z2 SILON 339 NM Nvosadlis Ol 1872 SNILOJ3NNO2H3 LNI dartaans S3l oLsno IVOIHIS3T3 1207 ONY NI 38 LSA TT S quvog IWS HJJSNYHL OIIVvIS JO O23 IOHINO2 OL H3J3H S 3NIBHINOD 38 LON C ITIOHS NIENDISANOD HO TONYA lol IN TT LSNI OL 33H 5 JOvVI OA TVNSIS Z E OW cei 318v23 IVa O3LSIANEL ALIA ISN313 19v2 L SALON LESH HANI CH INO ZHOU JWEN IIH Ndd eSls Z519 SNOI LdO NOILVOINNANAOD Qqsuvog SAIWOD TOY LNOO XX7S 0018 20 quvogs SAMOS NOI LO3NNOO g 33s NOILOANNOD HJANOLSCOO ON NV OSAIIIS YAWOLSNO ON W140 445 TVNH3LX3 v Mv EO Ler LPP gt VES 3LON 33 rra IN3QOIN TvNH3LX3 OL ONILOSNNOZH3LNI gadd gamolsna OM Ag WHO AG NAA 62 wings Installation Dra lon ternal modem opt for the in ing 53 Control wir Figure SCHVONVLIS L3NH3LNI Ad CI Y Y13430 395 HLM iO ROPO
36. 480V 65K 400 CB6 amp CB7 MERLIN 600V GERIN NJHN 200A 600V 25K 480V NJHN 400A 380 480V 65K 600A CB6 amp CB7 MERLIN 600V GERIN NJHN 300A 600V 25K 480V NJHN 500A 380 480V 65K 800A CB6 amp CB7 MERLIN 600V GERIN NJHN 400A 600V 25K Table 10 Output circuit breaker schedule 250 800A Circuit Breakers STS2 PDU STS2 PDU See One Line Interrupting Rating Input Volts Diagrams Vendor Type Ampacity Voltage Rating Amps 250A 208V CB8 MERLIN NJHN 250A 208 240V 100K GERIN 400A 208V CB8 MERLIN NJHN 400A 208 240V 100K GERIN MERLIN 600A 208V CB8 SN PAD 600A 208 240V 100K MERLIN 800A 208V CB8 800 208 240 100 Table 11 Non automatic breaker schedule 250 800 Circuit Breakers STS2 PDU See One Line Withstand Rating Diagrams Vendor Type Ampacity Voltage Current CB1 CB2 CB3 MERLIN 208 240V 100K 250A NFHN 250A CB3A CB4 CB5 GERIN 380 480V 65K CB1 CB2 CB3 MERLIN 208 240V 100K 400A NJHN 400A CB3A CB4 CB5 GERIN 380 480V 100K CB1 CB2 CB3 MERLIN 600A CB4 5 GERIN NJHN 600A 208 240V 100K CB1 CB2 CB3 MERLIN 800A CB4 5 PJD 1000A 208 240V 100K 68 Introduction to STS2 PDU Operations 8 0 INTRODUCTION TO STS2 PDU OPERATIONS 8 1 8 1 1 System Description STS2 PDU provides an automatic seamless transfer between input power sources to an output load
37. 94 LINGNOS LNdNI WO LLOS aZ LX oF Th Z LINGNOS 1nd1no MAGIA dais 1331 20 wings Installation Dra istribution ine d de Inl th left si 250A STS2 PDU wi ing draw Ine 11 Figure LdSd 3NFTLLIIO DIOS ZSIS 3yIVN 3114 OIHO engiAnroo JANA NHOSHVIO 0901 ueqeri 0cV LdSd ON Oma fYXdd ecsis 1510 ANNNI 3018 1331 08 SNIAWMG ANITLNO SM 3 MH VNOINMHVO A A8 340 151 S4000 ONIMS SYOOd 02 LONI OL THNVd S8322V X 87L ASLN3 LINGNOS dOL VAN LINGNOO YAMOd LONdNI dOL S32V Id dAL 88 OX V3uv AYLNA LINGNOO NOLLOG 4313437 TANVd ACIS LAOHLIM giyaga NMOHS LINN LNO 4 V 190 OL 8 6 SALON 33S 8 SICH ONILNNOW PRE AD aaavasn via WNZL MalA LNO amp J 3diS L441 8 69 an oP Ob Xag VE V3UV AHLN3 LINGNOOD Y3MOd LOdNI INOLLOS LINGNOO LNA LNO WOLLOS FX 8S30v1d dAL AMLNA LINGNOS Q3348ns WOLLOS HIV V IIvigad 33 gov 1d38 ANY 3ZIS LINGNOO LINS OL HONNd SAOWSY S31V1d SS300V
38. CA and press RETURN on your keyboard 131 Event Message Help Text 52 FAIL Source 2 Failure Source 2 has failed due to under voltage UV over voltage OV or running with an over or under frequency OF UF This alarm is a companion to S2 UV S2 UV RMS 52 OV and 52 OF UF The load of the STS2 PDU has been transferred to Source 1 Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 1 OVERCURRENT Source 1 Overcurrent STS2 PDU is running on Source 1 and an overload condition has occurred on one or more phases Note The overload setpoint is a single fixed number 101 An overload condition is detected when the mea sured load current is equal to or greater than the setpoint Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message
39. Figures 20 through 22 for location of the key lockout switch disable the changes turn the key to the top of the switch toward the closed padlock To enable changes turn the key to the horizontal position toward the open padlock Figure 65 Key lockout switch a Changes disabled amp Changes enabled If the unit is not equipped with a keylock a password is required when you attempt to Using the Password Save changes in the CONFIG menu choices Transfer sources Reset active alarms Clear logs When a password is requested a keyboard is displayed on the touch screen After you enter the pass word select OK The password is case sensitive Password access times out after ten 10 minutes and must be re entered to save changes The time out period cannot be changed To set or reset the password 1 Select SYSTEM SETTINGS from the CONFIG menu Select SYSTEM ID form the SYSTEM SETTINGS menu Click PASSWORD A keyboard is displayed Enter a password The password must be four 4 alpha numeric characters and is case sensitive Click OK QUE OS 98 Touch Screen Display 13 3 13 4 13 5 13 6 13 7 Mimic Display The Mimic display provides a color diagram of the operation of the STS2 PDU This display imitates the power flow through the Static Transfer Switch 2 Power Distribution Unit and indicates source status breaker status swit
40. LH3SNI WA 1 JHL 7331S Q3ZINVATVO SEL VO 01 2 Ad GALYOddNS SI ONILNNOW HOV3 0 5431579 TIY H3 uNn O3 rdoddris 3g ISOW LINN SHL dO LHOT3A AHL SI QNVLSHOO T Jl ONVIS 40014 HO S NIHOHONV 21 5135 HO4 GASN SATOH ONILNNOW Q3O0V3SHL 6 MH M 69 1 068 ZI XOMWddv 1 1 1 8 ONIIGONVH MONYLWHO 4A ATIVENLONYLS SI WOLLO9 LINN 4 440 Wal 9 ONFIONVH TWOILYAA 40 930 Sb NIHLIM L3NISVO d33M ACIS LHOT NI 0 8S399V 39IAHJS NOLLVTIVISNI LSNVHXG GAYINOAY LINN 3ONVHY3TO NWZSE 81 1091 SAT O GE LHDISM XOMddV Z SUYSLAWITIW SIHONI NI 38Y SNOISNSWIG TIY E SALON MAIA LNOSJ 18 wings Installation Dra istribution ine d In th right side i 250A STS2 PDU wi ing draw Ine 9 Outl Figure LICL LdSdAdNIFLLRIO DIOS SLS E 3114 OIHO engiAnroo SARC NHOSHVIO 0901 NOSuHAJW Leger lg 2021 1 54 515 1510 QSLNNOW 3dIS OM 3 ON Oma ACIS LNOHLIM A NMOHS LINN LNO4 D OL 8 6 SALON 345 8 SICH ONILNNOW
41. Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 130 Event Message Help Text 52 UV RMS Source 2 Under Voltage slow detection The input voltage from Source 2 remained below a set percentage of the nominal voltage for a designated period as set in the Slow UV Setting and Slow UV Detection Delay setpoints configured under the User Set tings An S2 Fail alarm was also issued and source transfer has been inhibited The load of the STS2 PDU has been transferred to Source 1 Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The alarm is latched and must be reset after the voltage returns to the nominal voltage If the Reset option is not configured for AUTO automatic reset then the reset action must be done manually When the voltage is within acceptable parameters touch the RESET button on the touch screen If you are accessing the unit from a terminal type CA and press RETURN on your keyboard This event was written to the Event Log if so configured 52 OV Source 2 Over Voltage The input voltage from Source 2 exceeded a set percentage of the nominal vol
42. MONIIN SNOILOANNOO TvVolY 19414 A8 Q3AOIN3M T3NYd 3dIS eee HLIM MIIA LNOWS MIA 5 1331 uva sng TANVd NOLLNEIMLSIG OL QI3193NNOO S aNnouo 318v9 NOLLOSHLLSIO sal pIN oTa v SNOILO3NNOO ANNONS NOILO3NNOO ENGL EFI uva SNd qaaadans ral o N o a V NOILOANNOO LAdLNO orgo uvas qa3a3ans TANVd NOILOSIHISIO OL Q3193NNOO S IVHLD3N Sd Igvo NOILOSSLLSIO SNOILO3NNOO TWYLNAN SQsvog TdNvd NOILNGIYLSIC 410d cr CIVNOILLdO 0189 qaa4ans TWNOILdO 11 99 qda4ans 649 8 890 NIVIA 40 Installation Drawings 800A STS2 PDU output with inline panelboards 400 Figure 31 Electrical field connections 20 0001 dS AON 2515 1 3114 NOSUa Wa SARC NHOSuV3O 0901 ON A3H NAd SLS Hedger qi 0001 LdSd dINV 008 00 L3NIGVO NOILNGIMLSIC ON HO amp dGHvOS T3NVd LNdLNO MONNIK SNOILO3NNOO WO 199413 I3AOWGM STANVd TANVd 3GIS LNASOV SHOOG H LIM MIA LNOYS H LIM MAIA ACIS 1331 uva sna TANWd NOLLOSIHLSIO OL Q3193NNOO SJANNOY 318vo NOILNJYILSIA NOILOANNOO SNOILOSNNOO GNNOUS
43. NOTE The preferred source may also be changed via the optional Remote Source Selection option thereby initiating a transfer remotely Enabling Remote Source Selection If your system is equipped with the optional Remote Source Selection option it must be enabled From the Color Graphical Display 1 Select CONFIG from the menu bar 2 Select SYSTEM SETTINGS from the Configuration menu 3 Select SYSTEM OPTIONS from the System Settings menu 4 Select YES for the REMOTE SOURCE SELECT choice 77 Operating Instructions 10 4 Maintenance Bypass The STS2 PDU is equipped with two key interlocked bypass breakers CB4 and CB5 to allow man ual bypass of the switch electronics for either input source in the event of switch failure or for mainte nance of the switch Refer to Figure 3 While operating on maintenance bypass all voltages are removed from the static transfer switch electronics to facilitate safe repair without de energizing the load using a make before break switching sequence However the unit can be bypassed using a make before break switching sequence only to the same source to which that the switch is connected as indicated by the highlighted static transfer switch box on the Mimic screen In the event of source or switch failure the unit should be bypassed only to the current input source For convenience instructions for the bypass procedure can be displayed on the touch screen by select ing the BYP PROC o
44. OILY LS Snnt did NHOGHWV3O 0901 SALON 395 HOLDANNOD SP Ta MHOML3N L3N3H13 4000 T201 INY 38 LSA ONTSIM Tv 9 0299 LOJNNOOD MOHL JHL NHNO 8 NOIL YH SIS INIA EAR 182 HIY S431 00E L334 000 HLONGT31 SSQSvOawNv HION3I3HLl HOLIOJMNOZ 1738 v8 001 0 do O2 H04 IOL LV TTV LSNI OL 4 31 40 NOLID2O THO H21IAMS H3JSNHLE SILLS JO OL Hdddd 5 dd lo 3i das ON TOHLINOD 117 F to SO0ELESd ON DMa Hdddd vul L LN3THHTIO SOAS 38S LIOA ddals avo INI 15 L3NSH3LINI A8 Q3 SFPH HLA 3190 dd AL ONY 3215 JHIA LE ML HLM SALON OM d34 AG WHO n d esls 2515 NOI LdO MYOMLAIN ONIMIA sago OL 919 SNILO3NNOZ 3 LNI aaridarnris 44401512 c 338 X9OLire9Lr OIN zo FOVIYSLNI MHOMLIN NOLLO3NNOO ON 319 0 Logd THs NOI LO 31 TO CONS LS H3INOISDO ON S3sn dn1ds HOL123NNO2O 690 ze2 Sy 64 Installation Drawings Figure 55 Control wiring for the RS 232 Port 3ARHO NHOEHYSO 0901 NOSUANA Lege V IN L3 OY GSrect 68279 ONISO TO OL O
45. OL PENO N Id CEND OL 5 LENO OL dYO LENO N Td SENO OL SCNO 9NTd SLND OL dVO SLND ONIMOT104 SHL LO3NNOO QSAOWSY STANVd ILN3OOV HLIM M3IA LNOHJ YOLINOW y l ayog ATSWASSV NOILOAS NOILOAS 515 53 1518 NOILO3S a 55 Installation Drawings right side distribution 800A STS2 PDU Figure 46 Control wiring 6cc v Ol ZO LdSd J8lAA TOULNOOMGE ZS1LS 3114 0901 m SARA NOosuaNa Leger c08 LdSd ON Add ON Oma 9 515 008 oma sae NOILOQSIHISIO 2415 LHOTH VNOINHVO A OM1d SEND OL SEND N Td PENO OL VENO LENO OL LENO SEND OL SCNO SLNO OL avo SLNO ONIMOT104 AHL LOANNOO NOILOAS 15 Q3AOIN3H STANVd LN322V HLIM M3IA orig PENO dvo 1 NOILOAS Ed A IHIN3SSV NOLLO3S 515 56 wings Installation Dra Figure 47 Control connection location 250A STS2 PDU o Leooze LaSd SHIMTOMLNOD NACZS1S WYN 314 6zcev SngWnoo 60 90 11 L NOSINI
46. SAIHO 0904 diva ON Ad bs OMG O0c LdSd n NOLLdO 30vV4YALNIASGOW TWNMYALNI ONY TVNeH3LX3 NVOSALIS SANOO OIN SOVAYSLNI MYOMLAN Z ALON 33S NOILdO ANTH 3 18 VIAIW HOO Md NOLLdO GHVvOg HOLIV IOSI LOVINOO LNdNI Z ALON d3S NOILdO AN T3 318 VIAIAVHO Od Z ALON 935 NOILdO AV 13 3 18 VIAINVSHIOO Id NOLLdO 199135 5 310 A3H 3sn 38 SQsvog AV T3433 q31T8viWWVHeoOHd OML JO INDINIXVIW NAAOHS SNOILdO TvOIdAL 1 SALON TlIVL3d NOILVOO 1 NOILdO NOILVOO 1 IOH INOO A8 Q3AONZ3 HOOQO LNO33 HLIM M3IA LNOJ TOH LNOO TlIV L3d NOLLVOOT NOILdO 33S 97 wings Installation Dra 800A STS2 PDU 400 lon locat lon 48 Control connect Figure 10 008 LdSd 38I AN TOH LNOO FICIdZSLS 3114 OIHO Sngi noo CO SZ LL Wa SARC NYOSUVAG 0901 ie NAd ZSLS 0088 1454 008 005 me ON oma ONIMVO NOILVO2OT1 dd VNOINNMHVO A A8 NOLLdO 30V4YALNIWSGOW TWNYALNI ONY TWNYSLX4 NVOSALIS SWINOO OIN SOVAYSALNI HOA LN Z ALON SAS 301140 Guvog ANCT3H 3 THVIAIWVeHOOHMd HO NOILdO Q
47. Select EXT if the STS2 PDU will be communicating via an external modem Select the PRIMARY LINE choice to enter the primary telephone number for the modem to dial when an alarm is triggered Enter the number in the keypad dialog box Select OK to save the telephone number The number is displayed in the field adjacent to the Primary Line choice Select the SECONDARY LINE choice to enter the secondary telephone number for the modem to dial when an alarm is triggered Enter the number in the keypad dialog box Select OK to save the telephone number The number is displayed in the field adjacent to the Secondary Line choice Select INIT STRING to configure the initialization string This string configures the parameters of the modem This setting only needs to be configured if an external modem is used Check your modem s documentation for this setting The string for the internal modem set by the manufacturer and does not need to be changed Select BAUD RATE to display a dialog with the baud rate choices For an external modem select from 2400 bps 9600 bps or 19200 bps An internal modem only supports 2400 bps Configure the MODEM HEALTH CHECK The Health Check verifies that the modem is working properly This setting allows you to enable the check and set when it is run a Select the button to display the Modem Health Check dialog box from which you can access further dialogs to set the time and days that the check is run b Select
48. The STS2 PDU models are available to handle various voltages The input voltage must be three phase AC 8 wire plus ground The voltage shall be within 10 of the nominal voltage The following table provides nominal voltages listed according to frequency Table 20 Input voltage 60 Hz 50 Hz L L L L 208V 208V 380V 380V 400V 400V 415V 415V 480V 600V Output Voltage The output voltage shall be three phase AC 4 wire plus ground Table 21 Output voltage 60 Hz 50 Hz L L L N L L L N 208 120V 208 120V 380 220V 380 220V 400 230V 400 230V 415 240V 415 240V System Current Ratings These ratings are based upon continuous switch current rating All units are 100 continuous cur rent rated Some ratings are not available in certain voltages Table 22 System current ratings Current 250A 400A 600A 800A Grounding Refer to 4 2 System Grounding for specifications and instructions regarding grounding 115 Specifications 14 1 6 Electrical Requirements Table 23 Electrical requirements Item Requirement Maximum Continuous Current 250 400 600 800 amps Load Power Factor Range 0 75 to 1 0 leading or lagging Load Crest Factor Up to 3 5 Source Voltage Distortion Up to 1096 THD with notches and ringing transients 125 for 30 minutes 250A 400A 125 for 10 minutes 600A 800A 150 for 2 minutes 500 for 0
49. The STS2 PDU monitors the input sources to ensure each source is operating within set param eters as well as ensure that each source is within acceptable tolerances for a transfer between sources to be completed The STS2 PDU contains two static transfer switches in one enclosure to allow the unit to transfer its load between the two input sources without disruption to the output for longer than 1 4 of a cycle If a problem is detected with a primary Preferred input source and defined trigger points are reached the STS2 PDU automatically switches the input to the other Alternate input source The STS2 PDU continues to monitor both sources and can automatically transfer the load back to the pre ferred source if so configured when that source returns to acceptable operating parameters The system control logic automatically monitors the input sources and power output to ensure that they are operating within acceptable tolerances The system logic manages the transfer between sources The STS2 PDU front panel contains a Color Graphical Display on an LCD touch screen display The Color Graphical Display provides a menu driven operator interface and a display of system informa tion status information a one line diagram Mimic of the STS2 PDU active alarms and alarm his tory information The menu selections provide control of the preferred source manual transfer initiation Buttons pro vide for audible alarm silence and reset Throu
50. The power supplies are now operating on AC power from Source 2 The AC input from Source 1 is still good Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 123 Event Message Help Text PWR SPLY S2 AC FAIL Power Supply Source 2 AC Failed The AC input power to the power supplies from Source 2 has failed The power supplies are now operating on AC power from Source 1 The AC input from Source 2 is still good Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized
51. The unit can be removed from the pallet before it is moved to its location Complete the following steps to properly remove the STS2 PDU from the shipping pallet 1 Set the pallet in a level area with enough room to maneuver and remove the unit 2 Remove the bolts holding the unit to the shipping pallet located in the base of the unit 3 Remove the shipping blocks from under the frame of the unit 4 Use a forklift to raise the unit off the pallet and onto the floor On the 250A unit ensure that the forklift is clear of the unit s casters and leveling feet Lift the unit from the rear 5 Conduct an internal inspection of the unit See the list in 1 3 Internal Inspections Internal Inspections After the STS2 PDU has been unpacked conduct an internal inspection 1 Verify that all items have been received 2 Ifspare parts were ordered verify their arrival 3 After the Static Transfer Switch 2 Power Distribution Unit has been removed from the pallet open the door and remove cabinet panels to check for shipping damage to internal components 4 Check for loose connections or unsecured components in the cabinet s 5 Check for any unsafe condition that may be a potential safety hazard After the STS2 PDU has been inspected and no problems are found the unit can be moved to its installation location If using a forklift remember to lift the unit from the rear Location Considerations 2 0 LOCAT
52. Unpacking and Inspections 1 2 1 1 2 2 1 3 Handling Considerations The STS2 PDU is bolted to a wood shipping pallet to allow handling by forklift equipment or a pallet jack WARNING Exercise extreme care when handling STS2 PDU cabinets to avoid equipment damage or injury to personnel The cabinet can be safely tilted 15 degrees in any direction by forklift If moving the unit up a ramp on its casters if the unit is so equipped or a pallet jack ensure that the incline does not exceed 15 degrees Locate the center of gravity symbols and determine the unit s weight before handling the cabinet Check the unit size and weight Refer to the cabinet drawings furnished with the unit for size and weight Typical cabinet dimensions are shown in Figures 7 through 22 Typical unit crated weights are Table 1 Shipping weights typical Model Weight Ibs kg 250A 3730 Ibs 1692 kg 400A 4900 Ibs 2132 kg 600A 5580 Ibs 2531 kg 800A Module A 4052 Ibs 1838 kg 800A Module B 4595 Ibs 2084 kg 800A ships on two separate pallets Plan the route Review the route over which the unit will be transported to its installation location to ensure that all passages are large enough to accommodate the unit and support the weight Check for any non negotiable corners or offsets in hallways Before moving the unit to the intended location review 2 0 Location Considerations Unit Preparation
53. YES NO SAVE CANCEL The PDU Options window allows you to specify whether you have the surge suppression option f the TVSS option is installed this selection is set at the factory to YES To disable surge sup pression click NO Click SAVE 4 Pole Transfer Switch This selection is set at the factory to indicate whether the system is a 3 pole or 4 pole unit The 4 pole design is not available at this time Shunt Trip This selection is set at the factory Wye Output Transformer The Wye Output Transformer controls the firing of the SCRs on startup which minimizes the inrush into PDU transformers Output breakers and PDU input breakers have to be closed when you start up the system Based on whether the input side of the PDU transformer is configured as a Wye or Delta changes the firing sequence of the SCRs If the STS2 PDU is connected to a PDU configured as a Wye Select YES for the Wye Output Transformer choice in the System Options dialog box Remote Source Select If your system is configured with the optional Remote Source Selection it must be enabled from the System Options menu See 4 4 Remote Source Selection Wiring for more information If the system is utilizing Remote Source Selection Select YES for the Remote Source Select choice in the System Options dialog box to activate the option System ID Most of the settings for System ID are set by Liebert either at the factory or when the unit
54. a remote distribution cabinet Other distribution configurations are available The three main types of distributions available for the STS2 PDU are Output Breaker Inline Panelboards two panelboards 84 poles on 250A units and four panelboards 168 poles on 400 800A units Square D and General Electric panelboards are available to accommodate bolt in or plug in breakers Square D I Line Panelboard designed to accommodate up to 10 plug in breakers from 100A to 250A Additionally 300A to 400A breakers are available on 800A units For other optional distribution methods contact your local Liebert representative or call 1 800 LIEBERT The STS2 PDU distribution may be mounted on either the right or left side at the customer s option Location of output conduit connections is affected by the location of the output cabinet See Figures 8 9 12 13 16 and 17 for wiring a right side distribution configuration and Figures 10 11 14 15 18 and 19 for wiring a left side distribution configuration See Figures 23 through 44 for wiring See Table 7 for wiring the various output options Customer Connections The customer is responsible for connections from the STS2 PDU distribution to the connected load either directly or through remote distribution cabinets Table 7 Distribution configurations For Details See Electrical Output Distribution Type Field Connections Output Breaker 250A Figure 23
55. a manual reset See Step 14 in Source Setpoints on page 101 for details SCR Failure The STS2 PDU continuously monitors the status of the SCR switching devices for proper operation In the event of a shorted SCR on the input source powering the load the STS2 PDU automatically triggers an alarm and trips open the other source isolation breaker In the event of a shorted SCR on the other input source the STS2 PDU automatically triggers an alarm and trips open the other source isolation breaker In the event of an open SCR the switch automatically triggers an alarm and transfers the load to the other source All open and shorted SCR alarm conditions are latched and require the system to be repaired and reset to restore normal operation On Off Sequence The STS2 PDU contains no master On Off push button control When connected to the input sources the unit s logic power comes on automatically The touch screen display is active as long as at least one input source is energized and the Control Power Disconnect located inside the static switch is closed Detailed Component Description Controls Operator Interface The STS2 PDU Color Graphical Display unit contains a touch screen color LCD to provide the opera tor interface to control and configure the operation of the unit and quickly diagnose problems A pass word and an optional keylock if installed are provided for security Hardware The STS2 PDU operator interface in the C
56. can be assigned to a relay to send a notification when that source is being used by the load Once configured the Static Transfer Switch 2 Power Distribution Unit continuously checks the status of the items defined for each contact and updates the state of the relay 109 Touch Screen Display To configure your programmable relay boards for user defined settings 1 Select PROG RELAY BOARD x from the Comm Options dialog box where x is the corresponding board number The Prog Relay Board dialog box is displayed Figure 73 Programmable relay board dialog box USER DEFINED SET STANDARD SET Programming Relay 1 2 3 4 5 B 7 8 CB1 SHUNT TRIP FAIL CB2 SHUNT TRIP FAIL CONTACTOR NEUT FAIL CONTROL MODULE FAIL gt EQUIPMENT FAN FAIL 2 Select your configuration settings Select STANDARD SET to use the settings configured at the factory See Go to step 4 Select USER DEFINED SET to configure your own settings Go to step 8 If you enter a user defined settings this information is not saved if control power is removed Record the settings in Table 31 3 define your relay board settings a Select a Programming Relay b Select an event you want associated with the relay That fault is placed in the Relay column You can associate up to ten 10 events with one relay If you do so you should group the events logically to simplify troubleshooting when an event is triggered
57. distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard PWR SPLY LOGIC FAIL Power Supply Module Failed The power supply logic module contained in the primary power supply has failed Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log is so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type C
58. has triggered a message to be sent to the modem if so configured EQUIPMENT OVERTEMP Equipment Over Temperature Cabinet has exceeded the recommended temperature Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured 51 UV Source 1 Under Voltage fast detection The input voltage from Source 1 dropped below a set percentage of the nominal voltage as set in the Fast UV setpoint under the User Settings An S1 Fail alarm was also issued and source transfer has been inhibited The load of the STS2 PDU has been transferred to Source 2 Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log
59. if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 51 UV RMS Source 1 Under Voltage slow detection The input voltage from Source 1 remained below a set percentage of the nominal voltage for a designated period as set in the Slow UV Setting and Slow UV Detection Delay setpoints configured under the User Set tings An S1 Fail alarm was also issued and source transfer has been inhibited The load of the STS2 PDU has been transferred to Source 2 Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The alarm is latched and must be reset after the voltage returns to the nominal voltage If the Reset option is not configured for AUTO automatic reset then the reset action must be done manually When the voltage is within acceptable parameters touch the RESET button on the touch screen If you are accessing the unit from a terminal type CA and press RETURN on your keyboard This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured 129 Event Message Help Text 51 OV Source 1 Over Voltage The inp
60. information in the display panel Configuration Menu tion When you select the CONFIG Configuration menu choice a pop up menu is dis played with four choices System Ratings SystemRatings used to configure frequency voltage and currents settings for the STS2 PDU Event Masks Event Mask allows you to configure system s response for events User Settings allows you to configure operations for the STS2 PDU Hence System Settings accesses another pop up menu to configure communication and system choices and the system ID System Settings Each of these choices accesses a separate dialog box System Ratings System Ratings The System Ratings menu is used to set the nominal line fre quency nominal voltage and nominal current at which the system Eine Frequency Ly operates when it is installed These settings are configured when m the system is initialized at the factory or under maintenance and E should not be changed by the user Ei RMS Voltage PDU Save Cancel 99 Touch Screen Display Event Masks The STS2 PDU gathers processes and reports faults and alarms collectively referred to below as events The Event Mask dialog box allows you to set the system s response for specific alarms and faults that are generated See 11 0 Alarms and Faults for more information on events and 11 1 Event Mask for the definitions of the Event Mask typ
61. international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was also written to the Event Log if so configured KW HRS COUNTER CLEARED KW HRS counter cleared KW Hrs counter reset to 0 Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was also written to the Event Log if so configured 143 Maintenance 16 0 MAINTENANCE 16 1 16 2 16 3 A WARNING Only qualified service personnel should perform maintenance on the STS2 PDU Lethal voltages exist inside the unit during normal operation The unit is supplied by multiple AC power sources Disconnect and lock out all power sources before working inside unit Minimal periodic maintenance of the STS2 PDU is required As with all electrical distribution compo nents the system should be regularly inspected for electrical connection integrity signs of excessive temperatures dirt accumulation and proper system operation Proper Tightening of Nuts and Bolts The recommended tightening torque for all nuts and bolts is as shown below unless otherwise labeled All power connections are designed to remain at proper torque thr
62. is installed The system is identified and tracked with these numbers Order No System Tag No System ID No and Model No Language Time and Date are synchronized with the location of the unit The only configurable field is the Password See Using the Password on page 98 for more informa tion on configuring and using the password 112 Touch Screen Display 13 7 1 Logs Two types of logs are kept by the STS2 PDU Event Log and History Log Event Log The Event Log tracks the alarms and faults of the STS2 PDU See 11 0 Alarms and Faults for more information on these events and see 11 2 1 Event Log for more information on the Event Log and definitions of the fields displayed in the Event Log screen Figure 76 Event log To use the Event Log 1 Select LOGS from the menu bar to open the Logs menu 2 Select EVENT LOG from the menu 3 Use the UP and DOWN buttons to scroll through the event list 4 Select OK to close the Event Log The data remains in the log History Log Two History Logs are available to track major alarms If so configured an alarm freezes the history buffer When the History Status buffer is frozen a History Log is created that can be accessed from the HISTORY LOG x choices in the LOGS menu See 11 2 2 History Log for more information on the History Logs and definitions of the fields dis played in the History Log screen Figure 77 History log own Frozen on 10 28 02
63. keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured 137 Event Message Help Text INPUT 2 OVERVOLTAGE Input 2 Overvoltage Source 2 is over voltage Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured INPUT 2 UNDERVOLTAGE Input 2 Undervoltage Source 2 is under voltage Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the
64. of 9600 Baud 1 start bit 8 data bits and no parity bits The serial port is 1000VDC isolated non SELV and ESD protected to 15kV air discharge The connector is a 6 Pin MTA plug with connections shown below Table 26 MTA plug pinout Pin Signal Name Function Comments 1 ISO GND Isolated service terminal ground 2 ISO TXD Isolated service terminal transmit output 3 ISO RXD Isolated service terminal receive input 4 NC No Connection 5 NC No Connection 6 NC No Connection A DB9 male connector is added and connected parallel to the 6 position header It is configured as DTE Table 27 DB9 pinout Pin Signal Name Function Comments 1 NC No Connection 2 ISO RXD Isolated service terminal transmit output 3 ISO TXD Isolated service terminal receive input 4 NC No Connection 5 ISO GND Isolated service terminal ground 6 NC No Connection 7 NC No Connection 8 NC No Connection 9 NC No Connection 119 Specifications 14 2 11 RS 232 Interface Parameters The service terminal interface parameters are the following settings and cannot be changed Table 28 RS 232 settings Parameter Setting Interface RS 232 Using EIA Voltage Levels Baud Rate 9600 Parity None Number of Data Bits 8 Number of Stop Bits 1 Hardware Flow Control Off Terminator CR lt LF gt Handshaking Not supported Structure Full duplex Local Echo Off
65. status on the Mimic screen Close output breakers CB3 and CB3A if supplied Verify CB3 and CB3A breaker status and STS SOURCE 2 and OUTPUT boxes are highlighted on the Mimic screen 7 Open bypass breaker CB5 8 Rotate the keys in CB5 interlock to extend the interlock 9 Remove the proper key from CB5 interlock and insert it into CB1 breaker interlock 10 Rotate the key to retract the CB1 breaker interlock 11 Close source input breaker 12 Verify the STS SOURCE 1 box and CB1 breaker status on the Mimic screen f the Color Graphical Display is not available check the gate driver board LEDs through the slots in the control panel See Figure 61 QUUD egre Normal System Shutdown The STS2 PDU can be shut down from either the static switch mode or the bypass mode Shutdown in Static Transfer Switch Mode When the STS2 PDU is operating on static transfer switch mode not maintenance bypass mode 1 Turn off the load equipment per manufacturer s recommendations 2 Open CB8 or panelboard breakers and mains if supplied 3 Open CBS to turn off the static switch output Open if the Static Transfer Switch 2 Power Distribution Unit has a redundant output configuration 4 Openthe input switches CB1 and CB2 5 completely de energize the unit open CB6 and CB7 80 Operating Instructions 10 5 2 Shutdown in Maintenance Bypass Mode When the Static Transfer Switch 2 Power Distribution Unit is oper
66. through the RS 232 port see Table 13 for the commands to view event logs and alarm and fault lists Event actions can be triggered by the settings configured from the Event Masks See 11 1 Event Mask for more information Faults A fault indicates that a component of the STS2 PDU has failed or has been damaged In the Event Display faults are indicated in red Alarms An alarm is an event caused by a significant abnormal system condition In the Event Dis play alarms are indicated in yellow The setpoints for many of the alarms are configurable through the User Settings Many alarms clear themselves when the condition is resolved If an alarm event mask is set to latch the alarm messages remain active until the alarm condition has been corrected and the RESET button is pushed See 11 1 Event Mask for more information on latching When the system is furnished with an optional internal or external modem and a telephone line is connected to the modem the system can be programmed to automatically dial out upon occurrence of any of certain designated alarms The auto dial feature can be configured for alarms using the Event Mask option in the touch screen See Configuring the Modem on page 105 for instructions on for setting up your modem Event Mask The STS2 PDU gathers processes and reports faults and alarms collectively referred to below as events The Event Mask dialog box allows you to set the system s response for specific a
67. tightening torque shown in Table 29 The input power busbars are accessible through the front of the unit Liebert s 250A units have PEM nut inserts designed to allow one handed tightening Busbars in the 400 800A units are supplied with holes to accommodate two hole lugs Cables can be installed through the top or bottom of the unit through removable conduits plates Units with output inline panelboards are bottom exit only for output cables See Figures 12 through 21 for wiring entrance locations Input and Output Power Connections The input power connections are made to the busbars provided inside the unit see Figures 26 through 31 These busbars are accessible through the front of the unit Output power connections are handled two different ways depending on the type of distribution used Power connections on standard units with an output breaker are made to the busbars inside the unit These busbars are accessible through the front on 250A units and on the side on 400 800A units See Figures 26 through 31 for details on the busbars Power connections on units with panelboard distri bution are made directly to the panelboard breakers Busbars are provided in the output cabinet for ground and neutral connections A WARNING Verify that all input power and control circuits are de energized and locked out before making connections inside unit The two input power feeds sources to the STS2 PDU should be from two independent sources
68. to avoid a common source failure To ensure proper operation of the STS2 PDU the two input sources must be the same nominal volt age level and phase rotation For uninterrupted automatic transfer the two input sources should be synchronized within 15 degrees CAUTION The input sources to the STS2 PDU must be grounded wye sources Input sources other than solidly grounded wye sources may cause damage to the switch The STS2 PDU is designed for operation with 3 wire solidly grounded sources only See Figures 3 through 6 for typical one line diagrams Refer to Figures 26 through 31 for electrical field connections on all units Power and Control Wiring Figure Typical STS2 PDU one line diagram lan SOURCE 1 o D X I 4 SURGE pid SUPPRESSION o o OUTPUT BREAKER van Z o oN oF CBS TEN AU N N A SURGE OPT E Figure4 Typical STS2 PDU one line diagram with dual static switch output circuit breakers not available on 250A units CB6 De oe A b SURGE SUPPRESSION 1 NELOL EN OUTPUT BREAKER NEUTRAL oy hs Z CB3A o A GROUND GB oF d NS gt CB7 CB5 AN ucc d N i3 Poa 3 1 SURGE SUPPRESSION OPT
69. to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 2 OVERCURRENT Source 1 Overcurrent STS2 PDU is running on Source 2 and an overload condition has occurred on one or more phases Note The overload setpoint is a single fixed number 101 An overload condition is detected when the mea sured load current is equal to or greater than the setpoint Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 132 Event Message Help Text 51 I PEAK Current Peak on Source 1 The peak current from Source 1 has exceeded the setpoint as defined in the I PK Xfer Lockout setting under User Settings Transferring to Source 2 has been inhibited Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm
70. touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured LOAD OVERCURRENT Load Overcurrent Output is over current Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured GROUND OVERCURRENT Ground Overcurrent Ground is over current Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Globa
71. ue Gudea sao UI al EEEE 73 9 1 5 Load Current Transfer 73 9 1 6 DOR Failure 2 doe eode o 73 9 1 7 On Off Sequence 24 geek de teta eer duse eee edd 73 Detailed Component 73 9 2 1 Controls od ea eh Baca 73 9 2 2 Circuit Breakers and Non Automatic Circuit Breakers 74 9 2 8 vio Durum 74 9 2 4 Logic Modules C EEA EE RS OUO RE BE YS SER TS 74 9 2 5 A dible A ete o CRT eb 74 9 2 6 RSE2Z 82 udo detur debt 74 OPERATING INSTRUCTIONS Lat ucc bestes 75 Normal System 75 Manual Transfer Preferred Source 76 Enabling Remote Source Selection 77 Maintenance By passe iva Xov ORES OE REN RAE RE RE UIE RS OVE GE S RA 78 10 4 1 Bypass Procedures for Source 1 79 10 4 2 Bypass Procedures for Source 2 80 Normal System Shutdown cc nee e s 80 10 5 1 Shutdown in Static Transfer Switch
72. 0 4000 4500 5000 5500 6000 T 6500 7000 7500 8000 8500 9000 9500 10000 Altitude Feet Altitude conversion feet to meters Table 3 Feet Meters 4000 1200 7500 2286 4500 1372 8000 2438 5000 1524 8500 2591 5500 1676 9000 2743 6000 1829 9500 2896 6500 1981 10000 3048 7000 2134 Locating The STS2 PDU 3 0 LOCATING THE STS2 PDU 3 1 3 2 This section provides instructions for leveling the STS2 PDU and anchoring the unit to the floor should that be required Anchoring the Unit to the Floor The STS2 PDU can be anchored to the concrete floor to ensure stability for the unit in the event of seismic activity Leveling of the 250A Only STS2 PDU Without Anchoring The 250A Static Transfer Switch 2 Power Distribution Unit is furnished with casters and leveling feet After final positioning of the unit adjust the leveling feet located in each corner of the frame base to level and stabilize the unit For leveling feet details see Figures 7 through 11 Power and Control Wiring 4 0 POWER AND CONTROL WIRING 4 1 All power and control wiring must be installed by a licensed qualified electrician All power and con trol wiring must comply with the National Electrical Code and all applicable local codes Unless oth erwise labeled use the recommended
73. 0 XOUddV 1 Lv3H 7 330 WEI Y40109 9 3 T1IHA HLIM L3NIGVO daa S LNOYS NI Q38In O38 SSHI00V 5 NOLLV TIVLSNI X3 AWS 81 8 LHOI3A 33v SNOISN3INIO SALON JDOLX O LZ 1 LINGNOS YAMOd WOLLOd MIIA LNOH KZ Waa AHLN3 LINGNODS INOLLOS TANVd SS329V GAONIH HAL HIY 49018 LON HIY 6 6 ONIddIHS 100 vL 996D c08LL dSd zt egeri q NEN 1437 amp 008 A ONIMVYC A8 S3ONIH 440 1417 M SHOOQ Tv HS CEC NADY ENIMS HOOT 021 H3AMOd 1 MAIAWOLLOG tt 1 MIIA dOL vL rr 62 LX 06 LINGNOD JOHINC2 dOL X 612 2 VAN ASLN3 LINGNOO LnNdino dol MAIA 315 1331 vov SS2D HAE 28 wings Installation Dra 19 Outline drawing 800A STS2 PDU with left side inline distribution Figure ton RU ae Ct SN SER CIHO SNEWN1C9 090 paqari amp MIIA WOLLOG U ecicy diva 208 ON AJY
74. 00 222 5877 monitoring liebert com Outside the US 614 841 6755 Single Phase UPS 800 222 5877 upstech liebert com Outside the US 614 841 6755 Three Phase UPS 800 543 2378 powertech liebert com Environmental Systems 800 543 2778 Outside the United States 614 888 0246 Locations United States 1050 Dearborn Drive P O Box 29186 Columbus OH 43229 Italy Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco PD 39 049 9719 111 Fax 39 049 5841 257 Asia 23F Allied Kajima Bldg 138 Gloucester Road Wanchai Hong Kong 852 2 572 2201 Fax 852 2 831 0114 amp EMERSON
75. 0A 9 Figure 5 Typical STS2 PDU one line diagram with inline distribution dual static switch output circuit breakers10 Figure 6 Typical STS2 PDU one line diagram with I Line distribution dual static switch output circuit breakersc Seve i wr eos e me tU MED qune 10 Figure 7 Outline drawing 250A 5 52 17 Figure 8 Outline drawing 250A STS2 PDU with right side I Line 18 Figure 9 Outline drawing 250A STS2 PDU with right side inline distribution 19 Figure 10 Outline drawing 250A STS2 PDU with left side I Line distribution 20 Figure 11 Outline drawing 250A STS2 PDU with left side Inline distribution 21 Figure 12 Outline drawing 400 600A STS2 PDU with right side inline distribution 22 Figure 13 Outline drawing 400 600A STS2 PDU with right side output breaker or I Line distribution 23 Figure 14 Outline drawing 400 600A STS2 PDU with left side inline distribution 24 Figure 15 Outline drawing 400 600A STS2 PDU with left side output breaker or I Line distribution 25 Figure 16 Outline drawing 800A STS2 PDU with right side output breaker or I Line distribution 26 Figure 17 Outline drawing 800A STS2 PDU with right side inline distribution
76. 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 52 VOLT SENSE FAIL Source 2 Voltage Sense Module Failed The module contained on the snubber monitoring the input voltage from Source 2 has failed Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the STS2 PDU system from a ter
77. 1 has shorted Transferring between sources has been inhibited Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured 52 SCR SHORT Source 2 SCR Short One or more of the SCRs for Source 2 has shorted Transferring between sources has been inhibited Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so co
78. 116 Frame SIZES os P cT 117 PO 119 DBI bas ra egets ue Toe 119 RS 232 end dil diia 120 Torque tightenlng Fb eere aor TA dion e red aa re doe ES 144 Branch circuit breakers nin eio ttl d bre toe Lee Mta e le eere t 144 Programmable relay board settings 145 Input contact isolator settings record 146 vi IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during the installation and maintenance of the Liebert Static Transfer Switch 2 Power Distribution Unit STS2 PDU Read this manual thoroughly paying special attention to the sections that apply to your installation before working with the Static Transfer Switch 2 Power Distribution Unit Retain this manual for use by installing personnel Refer to 1 2 1 Handling Considerations before attempting to move the unit WARNING The unit is supplied by more than one power source The unit contains hazardous voltages if any of the input sources are on even when the unit is in bypass To isolate the unit turn off and lock out all input power sources Verify that all input power sources are de
79. 3NFINI GALNNOW 3GdIS LHO9TH dI v 009 00 ANITILNO OMG 33 A8 INOLLOH 8936 ASHLN3 LINGNOS TJOHINOO WOLLOG 31714 Y90718 LON OQ V3HV 3BIV LNI vi 9961 1981 22 wings Installation Dra istribution ine d L de output breaker or th right si 600A STS2 PDU wi ine drawing 400 13 Outl Figure OIHO SNGNN109 JAH 0901 Heder g TOLOFE 109 2515 LOVL dSd SWIVN 314 515 NOILD SIHLSIO 3415 OM 338 MH 062 HH n 18 0 0 XOHddV 9 AOW Ida ANY 32215 LINGNOD LINS OL HONNd 3AON3U S31V 1d S8329V ATEVAOWSY HONOYHL 3 Bv IIVAV AMINA 318V2 IWOLLOS ONY dOL 0L 9 X SZ X 2215 q8vsOdSIlO 31114 39v IddH OL SHOOU N3dO L3l T4804 ATIVENLONYLS SI IWOLLOS LINN 8 S98 1 0020 XOHddV V009 HH MM df dlno lVvaH 2 RLLIHM 440 WAI 9 ONIIGNVH 3 IIHM IVOLLH3A 3O 930 91 NIHLIM L3NIGVO G A INO 3015 LNO H4 NI GAYINDAY SS329V 39IAH3S
80. 3ZIS LINGNOO LINS OL HONNd SAOWSY SALY 1d SS300V 3 I8VAOW3H HONOUHL 3 I8V ANLNA d I8v2 INOLLOS ANY 01 I S X AZIS 3 18VSOdSIQ HALTS el Vv 39v day OL SHOOQG N3dO LL 9579 LINN HLVSNYSONN INO SJ10H ONILNNOW LINN OLNI Q30V38HL 38 LSNW 51709 ONILNNOW r e XOtuddv SI LH3SNI 1 AHL 13315 Q3ZINVATVO vo OL 2 Ad aadrdoddfs SI NOLLY2071 ONILNNOW HOVA OL Sudlsvo uad dargoagdris 3d ASNW LINN JHL JO LHOI3A 1 SI GNVLSYHOOT dl ILON ONVIS H0014 HO ONIMOHONY 21015195 GASN SATOH ONILNNOW I3OV3HHLI 6 HH MM 69 YH NLA 06S L L d L n0 8 ONUIONVH Mone DIO ALVNOAGV ATIVENLONALS SIWOLLOd LINN Z ALIHM WAI SO lOO 9 ONUIONVH 3 TIHM TVOLEHSA 40 930 51 NIHLIA L3NISVO d3351 8 A INO ACIS 1331 ONY NI GaYINDAY SSADOV 329IAHJS NOILYTIVLSNI E LSNVHXG GSYINOAY LINN 3AO8V SONVYVATO ASP 81 1091 SH10 5 LHOI3M XOMWddV Z ANY SIHONI NI SNOISN3IAIC TIY SALON 8 VIJAY AM LNA LINGNOS dOL X uh VAN AHLN3 LINGNOO YAMOd LONdNI dOL VUNWLAd 33 SX LINGNOO TJOH INOO WO LLOS SDIVINI IV dAL MALT HIY LON Od MAIA LNOJ wB PL
81. 400 600A Figure 33 800A Figure 35 Inline Panelboards 250A Figure 30 400 800A Figure 31 I Line Square D Figure 32 13 Options 6 0 OPTIONS This section discusses the options available for the STS2 PDU The communications options are also discussed in 12 0 Communication Interfaces WARNING A All options must be installed by Liebert Global Services or Liebert factory authorized service provided by a Liebert distributor The option area and customer control cable area contain hazardous voltages if any of the input sources are on even when the unit is in bypass Turn OFF all power sources before installing customer control cables to any option 6 1 Programmable Relay Board The programmable relay board PRB provides a means to trigger an external device when an event occurs in the STS2 PDU Each PRB has 8 channels Each channel has two sets of Form C dry con tacts rated 1A or 250mA 125VAC Any alarm or event may be programmed to any channel or channels Up to ten 10 events may be programmed to a relay If multiple events are grouped to one relay group the events logically to sim plify troubleshooting when an event is triggered The same alarm or event may be programmed to more than one channel Up to two programmable relay boards can be installed in the STS2 PDU for a total of 16 channels Programming is performed through the t
82. 5 dv 008 vego NOILNAIHLSIG MES a Oma ONISIM NOLLOANNOOUANI eee SNOLLO3NNOO 91914 1VOIHL L2313 STIVLAC 0201 48 OM 335 NOILO3S JHL NI 5 Y 99 3 CGO 190 OL GAHOVILV dV NOILOAS 515 OL VEO 8 290 190 ONIHIM S TIV L30 6L0LL dSd 335 NOILO3S SLS JHL NI LL OL GAHOVLLY WHLNAN 9 2 191 OL bb SNIHIA NOILOJNNOOYALNI dvasnd NOILOAS NOILLOSIH LSIO SALON t Q3AONW3MH ST3NVd WIN 1N329VY HLIM MIIA LNOMJ o D D gt e iue LL 2 uuwHOdSNvur 816 H3INHOJSNVHLL Silvia ZH LH 6101489 ox ex zX ONIMVMG 33s d d NOLLO3S 020 489 9 3IS IZM 62M EZM 3 SCM 99M Lao LZM LZM NOI LO3S uaxvaug d 3NOILO3S 04011459 SNIMVMHO 33S 515 NOLLO3S 18 54 Installation Drawings left side distribution 800A STS2 PDU Figure 45 Control wiring AARC NHOSNVIO 0901 ON N Heer 109 hdSA FMIMIOULNOO NO ZSLS 3113 nad zsis 008 dimen re 151 JAIS 1331 ONIYIM TOH TNOO dd Ag MHO A A8 NM Ha SEND OL dVO SEND PENO
83. 80 10 5 2 Shutdown in Maintenance Bypass 81 ALARMS AND FAULTS 0 6 te ete eee dn Paes Ch OO been aes 82 Hivent Mask ao ae NUR CENE EA is ee eae Ba A 82 Event and History logs scs 6 iad ecri RR uq Pee RR BES Pa WS 83 11 2 1 Event Og d de bah the tiet dk Beans Wins glee 88 11 22 w Bustorysbog Sand es ea MC RUE DA 84 Alarm Sa eo Sy iS ae Be 84 Misto hate ear Eh SEI Ed 84 12 0 12 1 13 0 18 1 18 2 18 8 18 4 18 5 18 6 18 7 18 8 14 0 14 1 14 2 COMMUNICATION INTERFACES 87 Using the RS 232 Portes tese pU SER a WR Bs ee E CR UN 88 12 1 1 Connecting and Using a 88 12 1 2 Configuring the STS2 PDU via the Terminal 89 12 1 3 Setting Bitpacked Options With the Terminal 92 12 1 4 Setting Event Masks with the Terminal 94 TOUCH SCREEN DISPLAY Eu wk Ua na Eh ae wa Cw EE eis 96 Display Overviews ig us ice siet e b e aote eee dus 96 Men Overvie
84. 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard CB1 SHUNT TRIP FAIL Circuit Breaker 1 Shunt Trip Failure Circuit Breaker 1 failed to trip open when the control issued a command for the circuit breaker to trip Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing th
85. A STS2 PDU with left side output breaker Figure 36 Electrical field connections 400b LdSd OJ3 d S1S 3yTvN 3114 JAYO NHOSSV3O 0901 ON Addu OM 38 NOSYAWS pegeri 700 5 008 54 S LSNIGVO YAMVINE LNdLNO JAIS 1491 MEME SNOILO3NNOO 07214 WORLOATA MOIHL SI YVESNE TWHLNAN GSAOWSY STANVd Suvasna 3svHd Z 1N322v Suooa 3dIS 1431 SMSLAWITHA S3HONI NI SHV SNOISN3INIO SALON Wa Loan 3SvHd 8 ASVHd svasna ISYHd S32Vd vb 6D vit 95 889 LNAd LNO 46 Installation Drawings Figure 37 Electrical field connections 800A STS2 PDU interconnect wiring 818 3114 6zzev CIHO SngiAn 102 PO OE L NHOSNV3U 0901 diva 8SL0LLdSd ON AJY m s n ON DMG pre Vlad 5 aNnoso ET i ONIYIM NOILOANNOOUSAINI SNOILOANNOO 1319 TWO LOA T3 NOILOAS 515 STANVd LN3OOV HLIM MIA 3015 LHOTH 6L0LLdSd 2 ONOILIO3S S3OV Id 8 S3OV Id 9 AW vM 9s WW e o VIG Lg TIVlad 1 S3OVd 9 dAL 11 NOILOAS SLS 5 AYOLOVA
86. A and press RETURN on your keyboard OUT VOLT SENSE FAIL Output Voltage Sense Module Failed The module contained on the snubber monitoring the output voltage has failed Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 124 Event Message Help Text 51 VOLT SENSE FAIL Source 1 Voltage Sense Module Failed The module contained on the snubber monitoring the input voltage from Source 1 has failed Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm Contact technical support in the United States call 1 800 LIEBERT
87. Alarms and Faults for a description of the alarms and possible causes Correct all active alarm conditions before proceeding 13 If unit is equipped with output breaker CB8 close CB8 The output and load are energized 14 If unit is equipped with output inline panelboards close panelboard main breakers CB8 and CB9 and if supplied CB10 and CB11 Turn on panelboard breakers If optional subfeed breakers are supplied close subfeed breakers CB12 and CB13 15 Turn on the load equipment as directed in the load equipment manufacturer s recommendations Manual Transfer Preferred Source Selection The Source Transfer option Source Xfers in the touch screen menu allows you to select a preferred source Transfers are only permitted when the voltage and current are within their proper operating range and the sources are synchronized The Source Transfer screen indicates the synchronization between the two sources while the voltage and frequency are displayed on the Mimic See Figure 60 Transfer is inhibited if the deviation exceeds the parameter set in Source Setpoints See User Settings on page 101 NOTE Q If one source will be de energized for an extended period hours or days set the STS2 PDU to bypass mode for the remaining source Without using bypass if a failure occurs in the switch components for the remaining source the STS2 PDU does not have a second source to switch to and the load would not receive power See 14 2 12 Maintenance
88. BC of Source 2 Transferring to Source 1 has been inhibited Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard TRANSFER INHIBITED Transfer Inhibited Uninterrupted transfer between sources is inhibited due to input source failure sources out of sync switch fail ure or the unit is in bypass mode Check the Event Log for the event or events that may have caused the alarm Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 136 Event Message Help Text OUTPUT UV Output Undervoltage The voltage being supplied to the load has dropped be
89. BERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the STS2 PDU system from a terminal type CA and press RETURN on your keyboard 51 CURR SENSE FAIL Source 1 Current Sense Failure The module monitoring the current from Source 1 has failed This module is contained on the left side gate driver board Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Events Log is so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the STS2 PDU system from a terminal type CA and press RETURN on your keyboard 52 CURR SENSE FAIL Source 2 Current Sense Failure The module monitoring the current from Source 2 has failed This module is contained on the right side gate driver board Press SILENCE on the touch screen to turn o
90. Bypass for bypass instructions 76 Operating Instructions Figure 60 Source Transfer screen 10 3 PREFERRED CB 3 SOURCE 2 A B B C C A 208V 208V 208V DA A 0 60 OHZ T2 A B B C C A 208V 208V 208V 60 0 HZ ALTERNATE c B7 AVG A OB SELECT PREFERRED SOURCE RESET SILENCE SINK OVERTEMP 30 0 30 ET Source 1 leads Source 2 by 3 5 deg SOURCE 1 SOURCE 2 CONFIG LOGS SOURCE XFERS STARTUP PROC BYP PROC HELP LOGO To manually select the preferred source 1 Close the input breakers CB6 CB7 CB1 and CB2 2 Select SOURCE XFERS from the menu bar The Select Preferred Source screen is displayed in the Event Display 3 Check the Mimic to verify that Source 1 and Source 2 input voltages are correct 4 Select SOURCE 1 or SOURCE 2 as your preferred source This source is now monitored as the preferred source throughout the various configurations set up through the touch screen 5 Verify that the correct source is designated as the preferred source and that the input source changes to the desired source The Mimic is updated to indicate the new preferred source The source is now highlighted with blue and that source is labeled as the preferred source If the Transfer Inhibit message is displayed check for alarm messages on the Active Status window Correct alarm conditions before attempting a source transfer
91. ELAY oo INPUT CONTACT 6 DELAY oo INPUT CONTACT 7 DELAY oo INPUT CONTACT 8 DELAY oo Save Cancel 2 Select INPUT CONTACT 1 A keyboard is displayed to allow you to enter the name of the alarm 3 Enter the name of the alarm set for that input For example a fan problem could be indicated by naming the button FAN 4 Select OK on the keyboard to keep your label 108 Touch Screen Display 5 Select DELAY A keypad is displayed prompting you for a delay time in seconds for a condition to exist before the alarm is triggered 6 Enter the delay value The range for the values are from 0 zero to 99 9 seconds 7 Select OK on the keypad to keep your setting The value you entered is displayed in the field adjacent to the corresponding input contact 8 Repeat Steps 2 to 7 for each input contact 9 Select SAVE after you have configured all input contacts Be sure to select Save even if you have accessed this dialog only to change a setting 10 Enter the settings in Table 32 Input contact isolator settings record This information is not saved if control power is removed 11 Select OK in the Comm Options dialog box to activate the settings Configuring the Programmable Relay Board Settings The STS2 PDU can contain up to two programmable relay boards PRB that can trigger an external device when an event occurs in the Static Transfer Switch 2 Power Distribution Unit For example if Source
92. FA bit7 HasRemoteSourceSelect bit8 through bit15 not used set to 0 Comms Options 1 bitO HasIntModem bit1 HasExtModem bit2 HasNIC bit3 not used set to 0 bit4 HasSiteScan bit5 not used set to 0 bit6 not used set to 0 bit7 HasOpenCommsDigitalInputBrd bit8 HasOpenCommsDigitalOutputBrd_1 bit9 HasOpenCommsDigitalOutputBrd_2 bit10 HasRemoteStatusPanelBrd 1 bit11 not used set to 0 bit12 not used set to 0 bit13 not used set to 0 bit14 EnableDialIn bit15 EnableDialOut Comms Options 2 bit0 EnablePager bit1 EnableOCDINormallyClosed bit2 3 OCDO1Assignment 0 User Defined 1 Standard Set or 2 AS400 bit4 5 OCDO2Assignment 0 User Defined 1 Standard Set or 2 AS400 bit6 through bit15 not used set to 0 92 Communication Interfaces Critical Option Enabling bitO EnableManual_IPeakReset bitl EnableAutoRestart bit2 through bit15 not used set to 0 Non Critical Option Enab bitO EnableAutoReXfer bit1 through bit15 not used set to 0 The bits are set in reverse order from bit 15 on the left to bit 0 zero on the right The bits are grouped in four sets of four bits each as such 0000 0000 0000 0000 Since each bit represents a setting a bit can be enabled or disabled 1 installed option or enabled feature OR 0 option not installed or feature not enabled Enabling or di
93. G NAA 66 wings Installation Dra isplay 40 0061 Fd SA ANITLNOYNAC 2S1S 3114 67 57 Color LCD touch screen d OIHO SNEWN109 0 S c 1 L HOLIMS 1 er NOSYAWSA negori g 0061 LdSd AV laSIid pm gt 5 HONOL 0421 want ONIMVG ANITILNO SNOI LdO fiN3N 0901 dAg OONddnlHViS Suddx JOUNOS S901 OI4NOO dIA3 LH3AO LN3ISINV diN3 LH3AO LNAWdINOA z 3ounos qounos dlA3 LH3AO MNIS 1V3H 1N3 3 T3NYd N3dO HOS ZS AV IdSIa 9450S AgZ3OHhnOS 0 91 doHnos N3dO HOS IS 5 YDS ZS 5 HOS IS S IOH LNOO JONAS 19594 Wey SYHM 009 vo a vo ZH 009 a ORE SLIOA suadx 0 z dounos a O19V4 HdMOd avol 0 YOLOWSH OL NOLOW4 18380 VAM OL 1 ZH 009 009 OHL vol VOL vol 802 985 AGOZ ABOZ vo p 0m owo o8 sv u 3ounos Figure Installation Drawings Table 9 Input circuit breaker schedule 250 800A Circuit Breakers STS2 PDU STS2 PDU See One Line Interrupting Rating Input Volts Diagrams Vendor Type Ampacity Voltage Rating Amps 208V NJHN 400A 208 240V 100K 250A 480V CB6 amp CB7 EUN NFNN 150A 380 480V 35K 600V NFNN 125A 600V 18K 480V NJHN 250A 380
94. HLNI AH 98 n SNOLLO3NNOO 91914 VOI LO3 13 Installation Drawings left side one line with CB3A S TIIVL30 1201 48 AAS 1945 MME AHL NI GaddIHS SHvasna HAYE OL CaHOV LEIV 38V 1935 LSIT O19 9 8 v suvasng HAYA ONIMIM STIVL3Q 0201 dSd OM 33S 1935 3HL NI GaddlIHS ANY V 82 3 290 185 OL GAHOVLLV 1945 SLS 01 V 8D 82 189 ONIMIM NOLLOdNNOOHINI STIVLAG 6L0LL dSd 33S NOILO3S SLS JHL NI Q3ddlHS ANY LL OL GAHOVLLY WHLNAN 2 191 OL LL WO SNIHIA NOILOANNOOUALNI L 800A STS2 PDU interconnect wiring 52 SALON STANVd Bean 1N329V HLIM MIIA LNOMJ uvasna be o zl M LL H3INHOJSNVHL zaie eh H3INHOJSNVH L e eH zu LH SIVL3Q ox ex Led ix Vea 60454 43s OZ0LLdSd 395 ail ouvasnd S IIVL3d g J4vasng LZ0LLdSd ONIMVNG 3 4 NOILOAS 335 OZOLLdSd 9 33S uvasnd 518 v uvasng NOI LO3S E 4 NOILOAS NOILO3S SLs NOLLOSIH LSIO Figure 42 Electrical field connections Installation Drawings right side one line 800A STS2 PDU interconnect wiring Figure 43 Electrical field connection
95. ILO3NNOO aYaWOLSNO ON S3ov d P dAL LAN Ct XS 1 XOuddv dvasna z IONOS S3ov ld dAL LON Wad 1 2 1 ZEX GL uvasnd 3ounos DAL SE I 4009 12 1v901 ANY TYNOILYN HLIM 3ONVOMHOODOV 38 OL SI ONINIM TTY U30N3AINOO2MW LON 3HV Sd18VO Iv TIO dH3ddOO WANINN TY Y S318V29 LAdNI WO LINGNOS 31Vvsvdds V NI 38 318vo LNdLNO LINGNOS 31vuVvd3S NI 1 NOILOSIHISICO 38 LSNW ONISIA H3AMOd ONISIM IOHINOO W L SHYVESNE ANNONO 9 ASVHd SM3L3IATTIIA SIHONI NI SNOISN3IAIC 17 1 SALON OSZ LNdNI SNOILOANNOO 1319 LOA T3 Q3AOW SIANVd IN32OOV 8 SHOOG HLIM MAIA LNOYSA A A8 9 IlIvL3d avasng Del a 398 ego rgo 99 1 duvasna Jounos 33s 34 wings Installation Dra t with CB3 amp CB3A inpu 250A STS2 PDU i ions Id connecti ie ical f 25 Electr Figure LLOLLdSd J3C0d S1S 3yIvN 3114 6 ZEP OIHO 8 S nad sis A SARC NHOSHV3O 0901 avd ON ASM NOSINI Leer gy V 8O 99 gt OSZ LNdNI m S SNOLLO3NNOO 07314 WOMLOATS S3OV ld r E QSAOWSY STANVd IN3OOV SHOOQ HLIM ASIA LNO
96. IMVYC 335 ae a dALS310H SINWLAG d NOILOAS 395 LANIGVD 515 NI SYVESNG HONOYHL OL SAYIM HOVLLY LANIGVO SIS dO q NOILOAS NI E aNY SLO NMOHS 4 812 H NOYHL NMOHS LON lelc LANISVO NOLLOAS SSHIM 91949 1 SVL c SHH ONI 5 5 gs SALON 3 3 NOILOZS 3 3 a 33s INOWA SUVESNE ONIGNOdSayYOO dE OL dd M HN Ly 13NIBVO ZSLS JO NOILO3S HONOMHL 9 8 SOS Q9 O 8vzzM 1 1 u3yy3ug NOYA Sdnou9 3 ASVHd I JOWNOS 3 3NOIIO3S 83sVHd L 395108 V 5 FOUNOS 09 9 ASVHd LNdLNO a 9 O 8 vocM 2 3 VHd 2 FONNOS a 9O 8 v ZM 3SvHd 1 1 O 8 vec 5 Lhd Lno ES Q9 2 8 VFCM Q9 28VSCM V3svHdeaoHnos 83svHde3OHnos OLQO 92 8V 2M qQ GNOILO3S dSvHd JOUNOS s v dounos OLG S O G vrzM ola OgVLCM ANO LINA aasvHdeaounos 1 O8 V S2M 8 ASVHd LdOSWnos 9 ASVHd Lrdlno OLG O 8 VZCM 0103 08 ASVHd 5 OLG 5 9 5 ASVHd 1 O 8 v6eca OASVHd FONNOS 01a OA VECM 49 120 989 233 109 515 3yIvN 3114 Installation Drawings left side distribution cabinet 800A S
97. ION CONSIDERATIONS The STS2 PDU should be placed in a clean cool and dry location The 250A unit without an output cabinet requires only front access for installation and maintenance Both front and side access are required for installation and maintenance of 400 800A units and 250A units with output cabinet The output cabinet comes factory installed or either the right or left side depending on how it was ordered It cannot be moved from one side to the other in the field Adequate space is required above the unit for conduit if configured as such and cooling air flow This section provides specific information for these considerations The unit is designed with top and bottom cable terminations to allow maximum flexibility in its installation Units with output inline panelboards are bottom exit only If bottom cable entry and exit is used sufficient cable bending space must be provided by a raised floor or a floor stand For dimensions of each unit see Figures 7 through 22 If your unit is equipped with an optional key lockout switch see Figures 13 through 21 for the location of that switch 2 1 Recommended Minimum Service Clearances The recommended service clearances are at the front and side if equipped with output cabinet The minimum service clearance required by the National Electrical Code NEC Article 110 26 is 36 in 91cm for units with voltages up to 150V to ground and 42 in 107cm for units with voltages over 150V to ground Clearanc
98. L 96 WW zor Qv o Sb WW 02 nL LE YHL XOtlddv uvasng dAL TVHLIR3N v lIv13d a ou U 9 UO 9 o nono dAL 90 WW 12 982 I H LIM MIA LNOJ p 5 9 9 5 gt MAIA 3015 14331 dAL 1 42 Installation Drawings 400 600A STS2 PDU with right side output breaker Figure 33 Electrical field connections LO vOOLLdSd 2d3 CId SIS 3r N 3114 Gceev OIHO Sngiin 025 JANG 0901 arva 0 515 Hego Gi MOIHL SI Vasa TWHLNAN IHY Suvasna ANY ASVHd SYHALAWITIIN SIHONI NI SHV SNOISNANIC SALON 85 522979 dAL VII 95 TOOL LdSd AGE 009 LANIGVO LNdLNO adis SNOLLO3NNOO 0919 STANVd 1N300Y 8 SHOOG MAIA 3GIS LHOTH dSVHd 8 ASVHd V ASVHd 899 uvae 1 43 Installation Drawings 400 600A STS2 PDU with left side output breaker Figure 34 Electrical field connections 1900 SIS GWYN 3114 Gceev OIHO SNAWN109
99. L A dialog box is displayed with HI and LO settings This choice sets the loudness of the horn or beeper that is sounded for audible alarms a Configure this setting with a range of 1 10 ten The default setting is 5 The settings have an increment of 1 one b Select OK to save the setting The setting is now displayed in the adjacent field in the User Settings dialog box You can select TEST to briefly sound the alarm to judge its volume 11 Select DISPLAY BRIGHTNESS A dialog box is displayed with HI and LO settings This choice sets the brightness for the touch screen a Configure the Contrast and Brightness settings with a range of 1 10 ten b Select OK to save the settings 12 Set the AUTO REXFER ENABLE choice The auto retransfer enable setting determines whether the switch automatically returns the preferred source after that source is restored Select YES to enable the automatic transfer Select NO to disable the automatic transfer The setting requires transfers be done manually 13 Set the AUTO RESTART ENABLE choice This setting determines whether the STS2 PDU can be started automatically when power is restored after it has been lost Select YES to enable the automatic restart Select NO to disable the automatic restart This settings requires a manual restart of the STS2 PDU To manually restart theSTS2 PDU a Select SOURCE TRANSFER from the MENU bar The SELECT PREFERRED SOURCE window 1s displ
100. LCD to trigger a system response to an event See 11 1 Event Mask Report event conditions from other components of the system Monitor and report changes in event condition states If the event condition s state changes from inactive to active a new event is detected If the transition is from active to inactive the event condition has cleared Process new faults and alarms and clear inactive alarms Provide the alarm reset and silence options Circuit Breakers and Non Automatic Circuit Breakers Input circuit breaker for each source provides over current protection for the STS2 PDU Three non automatic circuit breakers provide total isolation of the solid state switching devices with an input non automatic breaker for each source and a load isolation non automatic breaker Two non automatic breakers provide for maintenance bypassing of the solid state switching devices to either input source breakers in the STS2 PDU are plug in types which allows any breaker to be replaced without de energizing the output bus The breakers have an interlock in the plug in base which prevents the switch from being withdrawn in the CLOSED position The switch trips OPEN before it disconnects from the plug in base See 14 2 5 Circuit Breakers for specifications and more information pertaining to the circuit breakers See Figures 23 through 36 for circuit breaker locations The circuit breaker schedule is provided in Tables 9 through 11
101. LON 60 wings Installation Dra Figure 51 Control wiring for the input contact isolator board option 2020061549 dio INOZKZHO I ANSOLD LS Wd EZZ t 6 ERES NN NN 15 2515 omana 0054 NOlLLdO E qeSvog LOVLNOD TON LNOD AG NAA LOVLINOO LONI 4000 Wold lode Wo0O7 ONY HLM JO NS QHOSO V 38 LSNA ONT TT 8 318vo STaIXS14 OMS Ht 319 LIA SHSLSIN ZS HL 00 HLONGT 3190 INADA 2 710019770 FOVLIOA THNOIS 9 HOLV TOSI LOV INOO ldO LOVLNOD 30 NOLLS OO T0 3 NOMLOANNOD IOHINO2 HOLMS 9995 99 1 2119718 OL S FHL NI O3NIBINO2 38 LON amp SNAH ONISIAA TOXLNOD ONIHIM 31vHvdd3s 38 LSN SH3HLO SNIHIAR TOHLNOD TIN Y HOLIVIOS LOVLNOD LAJN JHL ONIYNSISNOD O3 TANTYA FONVNSLNIVIA NOLUvHSdO NOLLCTTv LSNI OL Ha 45x E SHOvSSJIN Tv HG9 H04 SLOVLNOD NddO ATIVINHON Salo LSM c CLS 318HVI 338 8L HONOMHL STWNIWHSL Od NOILLO3SNNCOOD SNA TOI NOD H3INO LS L Fav Sl SALON 13 NOLLOJNNO2O YAWOLSNO ON 61 wings Installation Dra ing for comms board 52 Control wir Figure HLM SNAH ONIM IO NAH
102. LbLdSd ON 9M SNOILO3NNOO 91914 1VO2IH 103 13 dd A A8 NAd ZSLS dWV 008 NOILNGIYLSIG AIS 1391 S TIIVL30 1201 48 AAS 1945 AHL NI QAddIHS 5 5 HAYE OL CaHOV LEIV 38V 1936 LSIOI O19 9 8 v suvasng HAYA WOU 9NIHIA NOILOANNOOMSLNI STYLIA 0201 LdSd OM 335 1535 JHL NI GaddIHS ANY 82 3 CEO 195 01 GAHOVILV FHV LOAS 515 OL 90 3 290 199 9NIHIM NOLLO3NNOOHINI STIVL3O 6LOLLdSd 9NIMVSO 33S NOILO3S 515 JHL NI Q3ddlHS LL OL C3HOVLLV SHVESNE TVHLOSN 9 Z 18101 LE SNIHIM NOLLO3NNOORILINT L Q3AON3 STANVd SALON Jvasng 133997 HLIM LNOYS uvasna fo o i ID b o ssl gas 21 LE 2 H3 HOJSNVHL CES H3IHOJSNYH L os lal s ZH LH ox ex Lex Lx 5 OZOLLdSd 335 il 5 1 HOJ LZ0LLdSd 3 3 NOIIO23S 33s Oc0LLdSd 33S ouvasng V3uV SIS auvasna vvgsng NOILO3S E NOILO3S NOILO3S 515 NOILNGINLSIC 5 6L0LLdSd 33s uvasng uvasnga Vuvasnd 51 S20bbdSd OAFNdd2S1S 3114 SNEWN109 Leger Sc0bLdSd a ON ONIYIM NOLLO3NNOO
103. MH NLE 065 ZL LNdLNO Lv3H 8 ONFIONVH 03 ALVNOAGY ATIVHnornrcs SIWIOLLO LINN Z ALIHM 33O Wal HO TOO 9 ONUIONVH TV9LEH3A 40 930 SL NIHLIM LANIGVO d33M S LNOA NI 338 SSADOV 39IAHJS ANY NOLEV TIVISNI t LSNVHX4 asino LINN 3AOSV 3ONVHY310 WAIZSP 81 DM OLSL SH10LE E LHDISM Z XSM3L3IATTIIA ONY S3HONI IHY SNOISN3IAIO SHLON LO b dSd HOLIMS LNOWDOT A39 HLIM 0Sc ONIMVYT ANI TLAO ON SMG X 87L VJHV LNA ALINGNOD TIOH LNOO2 dol Xat VIJAY AY LNA LINGNOO YIMOd dOL 1 33S VIJAY AHLN3 LINGNOS TONLNOO WOLLOS MAIA 3015 iY MAIA LNOYSA OMG 3H A A8 NAWHO 8 V3uv A amp LLN3 LINGNOD WOLLOS dAL 390718 LON OG SSIVLNI HOLIMS INOWDO01 A3 30 ion wings tch opt Installation Dra th key lockout sw dew ight s r bution istri ine d in 600A STS2 PDU ine drawing 400 21 Outl Figure 10 20 L LdSd 3NETLDIO DOd 2SLS 1 TN 3104 fYXdd ecsis HOLIMS LCY104OO 1 AJA HLIM NOILLNEINLSIG SANTINI GALNNOW LHO9TH 6cc v OIHO engiAnoo 0901 or NOSINI Leger lg Z0vVLb dSd ON Oma
104. MIIA dO L 330 141 SHOOQ TIV dAL ONIMS HOOG 0ZL LSNVWHX3 i S3OVld 1 13 SAS SJV Id f dAL AHIN3 LINGNOD LNdLNO JVSX V0L i Wollod 2 dAL WAN LINGNOO ANdNIWOLLOd Z dAL VANV AHIN3 ALINGNOS lt WOLLOa 3ZIS LINGNOD LINS OL HONNd 83119 53920 3 THVAOWSH HONOYHL FTEVIVAV AHIN3 3182 INOLLOS ANY dOL OF Ge X GZ X IZIS 3dAL 3 8vSOdSIO OL SHOOU 6 ON IINVH L3IT4803 uodarvno3aav ATNHDOULODnSLS SI WOLLOS LINN GiH MM S8 8 YH NLA o02 0 XOuddv V009 QJH NOI 06 S HH h L8 0P L OZ XOMHddV 00 1 LWAH 7 ALIHM 440 Wd HO 102 9 SNUIONVH 3 IIHM WOILYSA 40 930 SI NIHLIM L3NISVO d335 A INO 3GIS 13371 ONY LNO 4 NI 88399 3OIAH3S NOILVTIVLSNI LSNVWHXA LINN 3AO8V SONVHY3TO AINZSE 81 88109869 V009 2 891001 VOOr LHOISM XOuddV Z SM313ATTIIA SIHONI NI 3HY SNOISN3IAIC L SALON 99 X AHIN3 LINGNOD lOHLNOO WOLLOS8 4 X uP bE 1 LINGNOS LOdNI dOL Y90018 LON 3MVLNI HIY MAIA LNOJ vu 996D eel 1980 LOPE 45 33S 89 V3uv AWL
105. N3 LINGNOD dol MAIA 3dIS 1391 v6v 909 ccaD 24 wings Installation Dra istribution d ine L de output breaker or th left si 600A STS2 PDU wi ine drawing 400 15 Outl Figure OIHO engiAnoo SARC 0901 Heder 10 80189 109 2515 3113 2515 NOILDSIHLSIO LNdLNO 0 11 45 OM ddA 3218 LINGNOD LINS OL HONNd SAOWSY S31V ld SSADDV 3 THVAOWSH 3 18V29 ONY dOl OF SZ X SZ Xb 3218 AdAL ATsvsodsid N31 Ts JOW1ddy OL N3dO 6 ONNONYH Lal T3403 ATIVENLONYLS SI WOLLO LINN 8 UH M gt 8 8 002 0 XOYddY V009 06 HH L8 0 1 02 XOYddY VOOR Lnd LOO LV3H 4 HLIHM 550 WAI HO 102 9 ONITGNVH ATIHM 930 SLE NIHLIM L3NISVO S ACIS L437 ONY LNOS3 NI GSYINDaY S8329V HOIAH3S ANY NOILVTIVLSNI E LSNWHXA GAYINOAY LINN JACY J3ONVHY31O WASP 81 owovve SE Toges V009 9 12 100 1HOISM XOYddY 2 ONY SIHONI NI 34V SNOISN3MWIO SALON X ud rs LINGNOD IOSLNOO
106. NOOD dol H3MOd LNdNI dol LINGNOS YAMOd 8130 33 SA0VId WOLLOd dAL V3HV AHLN3 LINGNOS 209110 WOLLOS vc VAN AHLN3 Y 1130 33S Xall VIN X 8 SAOW ld SAVIA creat JAL ASLLN3 vid 88 LINGNOO WOLLOG TONLNOD WOLLOS 8190 1 MALTA HIY 32018 LON Od ASTIA PR MAIA LNOSJ MAIA 5 LHOld TA 1 tL TZE 19 wings Installation Dra istribution ine d L ide th left s 250A STS2 PDU wi ing draw Ine 10 Outl Figure cL EdSd 3NIFTLLIIO DTIOS SLS 3114 OIHO engiAnrToo JAYO 0901 Leger coch LdSd ON Oma amp 0Sc 515 NOILNGILSIG 3NITI 3GIS 1331 ONIMVYC 3NFTLOO OM ddA VNONWMHVO A A8 340 151 S4000 TIY ONIMS SYOOd 02 MalA dOL LONI OL THNVd S8322V t 6 4X VeL VAYV AHLLN3 dOL TANVd ACIS LNOHLIM NMOHS LINN LNOYS 1 OL 8 6 SALON 33S 8 SICH ONILNNOW 1 via INWZL 19 91 6 9 869 gov 1d38 ANY
107. O3S WW 9 6 C C VIC JHM QT3IHS OX X ZX LX H CH 8 0 LdSd ONIMVHO NI S IIvL3O Hvasra AAS uvasna aNnoss S3OV ld 9L dAL NW VL 99 S3OVd 9 dAL WW 01 VIG eg NOILOAS HzbIV3H8g 9 9 1995 ero eso 0 SIIVL3d YVESNd GNNOYS ANY 1 X04 ANY S IIV LH3O NOLLVOO I NOLLO3S 8101 ONIMVYC OL 43434 Z 1995 515 AHL NI C3ddlHS ANY LL 01 Q3HOVLIV SALON elal 1191 dAL WI 1 09 M0739 1 JJV NIIS NOILOJS 325IV338 REE a V V NOILO3S TVHIDSN 138 Q39HV IN3 33S eagle cal 48 wings Installation Dra lon STS secti iring interconnect wi 800A STS2 PDU ions Id connecti ie If Ica 39 Electr Figure 0 LdSd OJ3 0d S1S 3114 OIHO engiAnroo SARC NHOSHVZO 0901 NOSUIIWA Leger lng 0 01 1 54 Maval ON ON Oma Ndd ZSLS 008 NOILOAS SLS ONIYIM NOILOANNOOUYAINI SNOILOANNOO WWOMLOATA A8 NOILOAS SLS STANVd IN3OOV HLIM MAIA ACIS LHOIa NOILOAS 515 STANVd IN32OV HLIM M3lA LNOJ LANIGVO NOILOAS 8SL0LELdSd ON
108. OL dAL ONIMS 021 SHONIH 540 141 SHOOT TY 5 Love v Y13430 S3OV d Z dAL 33S 89 61 ALNA 1 401 dAL GL V livlad 33 sao0Vv1d 9 dAL AHLN3 WOLLOH wh X S SAOVId dAL AMLNA LINGNOS a3adans WOLLOS ul X LZ V3JHV AHIN3 dapes EUER ZIS LINGNCO LINS OL HONNd HAOINGH S31V ld S8300V FISVAOWSY 1 3 18V IIVAV 318VO INOLLOS ONY 91 0 92 X GS X V IZIS ddAL 318VSOdSIQ Als FOV Ida OL SHOOT N3dO 6 SNUIONVH LAAYO Wodalvnoaav ATIVENLONYLS SI WOLLOG LINN 9 99 S HH n L8 0020 XOHWddV V009 HH MM 06 S HH n 18 0v L OZ XOWddV LNA LNO 1V3H 2 ALIHM 330 WEI 9 SNITONVH 3 IIHM IVOLLH3A 30 930 SI NIHLIM LSNIGVO G A INO 3GIS LNOHJ NI GSYINDAY SS399V 39IAW3S UNY NOLLV TIV LSNI ZSDVHX3 LINN 3AO8V 3ONVHY379 ASP 81 8 sd108es 009 12 8 8100 LHOISM XOYddY SYSLIWITIW S3HONI NI SNOISNSAIG SALON MAIA 3015 LHOIS 6 tc 909 v6v lt 56 VS X wh Ob dAL VANV AMLNA LINGNOD 515 51
109. Procedure You can access instructions for bypassing the Static Transfer Switch 2 Power Distribution Unit from the menu bar From the menu bar select BYP PROC The instructions are provided in the display panel Bypass procedures are also discussed in 10 4 Maintenance Bypass Help You can select an event in the Event Display to display more information about that event in the Dis play Panel This same help is also available in 15 0 Event Message Help Text Logo The Logo menu choice shows the Liebert and Emerson logo in the Display panel Cleaning the LCD Touch Screen If the touch screen requires cleaning use a pre moistened towelette designed for cleaning CRTs or dampen a soft non abrasive cloth with a very mild cleaning solution Do not spray the cleaner directly onto the touch screen as drips may run down into the screen and damage the equipment Close all menus and dialog boxes before cleaning the touch screen 114 Specifications 14 0 SPECIFICATIONS 14 1 14 1 1 14 1 2 14 1 3 14 1 4 14 1 5 System Configuration The STS2 PDU can be set in several different configurations according to the model and location The configuration is set at the factory and does not need to be changed by the customer Frequency The STS2 PDU accepts input frequencies of 50 Hz or 60 Hz depending on the model ordered The fre quency shall be within 0 5 Hz of the nominal frequency Input Voltage
110. Programmable relay board 14 Input circuit breaker schedule 250 800 68 Output circuit breaker schedule 250 800 68 Non automatic breaker schedule 250 800 68 Eventmessag s ee ei ee reta este o E PP de s RUE e cre t o 85 Terminal conimands 45 eB ERA edes dee pe qu sd aer e RN ae FR a a ae a 88 Val e types rece es Ub e ee D eds dete eode PR Rae t e de e e e eere 90 Group settings and values 91 Binary hexadecimal conversions 93 Setpoint parameters sss WORE ERE e d ERES SES Re EA 102 V Re 104 Standard settings for programmable relays 109 Input voltage s oes act rob ee m Reb arare Reta tet qe eb derer Vus 115 Output voltages ober et o aUe gil Sac beet hoes ELE ae ee Ms tile a M 115 System current 115 Electrical requirements 116 Unit short circuit withstand
111. R DISTRIBUTION STS2 PDU INSTALLATION OPERATION amp MAINTENANCE MANUAL The Company Behind the Products Technical Support Service With over a million installations around the globe Liebert is the world leader in computer protection systems Since its founding in 1965 Liebert has developed a complete range of support and protection systems for sensitive electronics e Environmental systems close control air conditioning from 1 to 60 tons Power conditioning and UPS with power ranges from 300 VA to more than 1000 kVA e Integrated systems that provide both environmental and power protection in a single flexible package Monitoring and control from systems of any size or location on site or remote e Service and support through more than 100 service centers around the world and a 24 7 Customer Response Center While every precaution has been taken to ensure the accuracy and completeness of this literature Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions 2003 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice Liebert and the Liebert logo are registered trademarks of Liebert Corporation All names referred to are trademarks or registered trademarks of their respective owners SL 20730 2 04 Rev 0 Web Site www liebert com Monitoring 8
112. RCE 1 2 SETPOINTS from the User Settings dialog box The Source 1 2 Setpoints dialog is displayed 1 Figure 68 Source setpoints Select Source Fast UV Settings Slow UV Settings OV Settings Xfer Lockout Amps sw Sees I Source 1 2 Set Points H Hu Slow UV Detection Delay cycles OV Detection Delay 1 4 cycles Cancel 2 Select 1 to configure the settings for Source 1 3 Configure the settings using the keypad or dialog box that is displayed when you touch a button Table 17 Setpoint parameters Button Range Default Comments 10 to 30 of Nominal Oo 0 Fast UV Setting 96 voltage rating 20 Set in increments of 1 Slow UV Setting 5 to 20 10 Set in increments of 1 Slow UV detection delay 1 60 cycles 5 cycles Units Line Cycle OV Setting 5 to 20 10 Set in increments of 1 OV Detection Delay 1 255 cycles 3 cycles Units 1 4 Line Cycle xfer lockout detection point I PK Xfer Lockout 0 30 multiplied by mean Units Amps RMS Select the HI or 9 9 LO buttons to configure your setting e Select 2 for Source 2 Configure the settings as described in step 3 Select SAVE to keep the settings for both sources The Setpoints dialog is closed and the User Settings dialog is displayed Select MANUAL MAX XFER PHASE ANGLE A keypad is displayed This setting config
113. SAVE to keep the settings The Health Check dialog box is closed and the Modem dialog box is again active c Select YES in the Modem dialog box to activate the Modem Health Check If you select NO the Modem Health Check is not run 106 Touch Screen Display 12 18 14 16 Configure AUTO DIAL IN Auto Dial In allows a user to dial into the STS2 PDU through the modem to check status and access the system via a hyperterminal connection a Select YES to activate the dial in feature b Select NO to deactivate the dial in feature Configure AUTO DIAL OUT Auto Dial Out allows the STS2 PDU to automatically dial out to a system to notify a user of an event or status a Select YES to activate the dial out feature b Select NO to deactivate the dial out feature Select SAVE to keep the modem configuration settings Select YES in the Comm Options dialog box to activate the settings You are returned to the Comm Options dialog box 107 Touch Screen Display Configuring the Input Contact Isolator Settings The Input Contact Isolator ICI is an optional eight channel input board for up to eight external user alarm or message inputs to be routed to the Static Transfer Switch 2 Power Distribution Unit s alarm network The contact is set to either be normally open or normally closed When a contact closes or opens an event is triggered See 6 2 Input Contact Isolator Board for more information on th
114. SJ 8 1 130 uvasng 33S ANT LETT ETE veo 1 uvg8sna 3ounos LEUTE ELLO edo 1 1 gt rad rao C SNOILOJNNOO 1 ON za Fall Sdov ld P dAL S3ovld P dAL wou ES cmm Jla ZEXS L XOHddV ZEXGL uvasng L 3osnos E i zhi srl lt 1VOIHLOdT43 W901 ONY TYNOILYN HLIM HONVOHOOOV NI OL SI ONINIM TIY S 3ON3NWNI OOSH LON 38v Sd18VO WANIANNTY Hd3ddO9 WONIANTY Sd 18v2 LAdNI INO LINGNOS 3199 495 v NI NOY GINOHS SATEVO LNAdLNO LINGNOS 31vevd3s NI 38 LSNA ONTYIM ANY IOHLNOO MOIHL JHAY SUVESNE 8 ASWHd SYSLAWITIIN SIHONI SNOISN3WIO 1 SALON I3NIEVO wh NOLLNEIMLSIG 189 9go 35 Installation Drawings 600A STS2 PDU input with CB3 400 Figure 26 Electrical field connections 10 21011 959933 109 2515 3114 JAH 0901 ON A3H Ndd ZSLS OM HAA Non I 009 00 px sx SNOLLO3NNOO 07314 TYY 10313 VNOWEVO NMVUa vlad uvasna ANNOYS SLT E Gtr sri eet STANVd n INAOOV SHOOQ HLIM MIIA LNOHJ set 7 i e v Ce en sei Y D cua S3OVld 8 NIN OL S3OV
115. T SOURCE 2 B C A B BC 208V 208v 208V 208v 208v 208V 60 0 HZ RESET SILENCE Event controls Liebert KEEPING BUSINESS IN BUSINESS Display panel and s help screen EMERSON Network Power Event display CONFIG SOURCE XFERS STARTUP PROC BYP PROC HELP Loco Menu options 96 Touch Screen Display 13 2 Menu Overview The touch screen menu provides access to configuration settings and more device information The CONFIG Configuration and LOGS menus provide multiple choices through pop up menus The SOURCE XFER menu selection allows you to select the preferred source The other menu choices provide information in the display panel The menu choices are discussed later in this manual All programmable functions are preset at the factory to default settings These settings enable the unit to be brought up without the need to enter all selectable parameters The menus allow the set tings to be customized Figure 63 Menus CONFIG LOGS Config menu L System Rating L Event Masks L User Settings L System Settings SOURCE XFERS STARTUP PROC Comm Options System Options L System ID BYP PROC HELP LOGO Logs Event Log History Log 1 L History Log 2 NOTE Some menu choices display a keyboard or keypad on the touch screen Enter data on the touch screen Cl
116. TS2 PDU interconnect wiring Figure 40 Electrical field connections PO OEIL Heger LZ0bbdSd LANIEVO NOILNEIYLSIG 1991 f add ON OMG NOILOANNOOYALNI wae SNOLLO3NNOO 1 q o dvee 2 q o a v4e g q o a voe V V duvasng dvdsnd 3HIA ISIG OL HSMVdHS WOWJ NOILOAS NOILRSIH ISIO OL NOILO3S H39V3H8 NOX NOILOANNOOYALNI Q3AONSH TANVd HLIM NOILOAS HY3H dOL 8 259 652 SNDVdS 802 o9 g v a SIOWd 2 Suvasra 40 S1Y140 S30V1d VIC tr 68 Bee ae 9 oy 9 18 OV 9 9 vuvasng AXO 138 S IIV LHO 3985 NOILO3S NOILO3S u3 vdd AHL NI ddddIHS SHVasfa Vd OL GSHOVLLV 1945 150 0199 vag ONIHIM NOILOINNOOYHJLNI AHOLOVH SI WHLNAN JHL SIHONI NI SNOISN3WIO TIY SALON QSAOWSY TANVd SIs H LIM MIA 1431 NO I3NISVO NOILOSIH LSIO V VM NOILOAS 118 V 50 Installation Drawings line left side one 800A STS2 PDU interconnect wiring Figure 41 Electrical field connections eger PZO LdSd 0J3C4 818 3114 SNEWN109 EEUU NYOSUVAC 0901 3iva ON v Ol
117. The logs can be accessed from the touch screen menu or the RS 232 port See 13 7 1 Logs for more instructions on viewing the logs from the touch screen See Table 13 for the RS 232 interface com mands used to access the logs Event Log The events are tracked in sequence of occurrence The sequence of occurrence is identified by date time and frame number The last 512 events are stored in a nonvolatile memory and can be viewed from the Event Log Event logs wrap meaning when the log is full the oldest event is deleted when a new event is written to the log The Event Log tracks e the sequence number in which the event occurred since the log was last cleared Message the event that occurred such as Ambient Over temp Source 1 Fail etc either a Fault or Alarm See 11 0 Alarms and Faults for further details on these events ID the event identifier Date and Time when the event occurred Faults the number of fault events logged Alarms the number of alarm events logged User Alarms the number of alarm events logged that were triggered by user created alarms such as those alarms created with the Input Contact Isolator settings Total the sum of all the events currently logged 83 Alarms and Faults 11 2 2 History Log 11 3 11 4 When a designated major alarm occurs the History Status buffer is frozen capturing 64 sequential frames before and after the al
118. Transfer Phase Angle Integer In degrees 14 Output Frequency Deviation Integer Freq in Hz x 10 15 ReTransfer Delay Time Integer In seconds 16 Horn Volume Integer Range 1 10 17 Critical Option Enabling Bitpacked See section 12 1 3 18 Non Critical Option Enabling Bitpacked See section 12 1 3 Group 4 1t063 Event Mask settings for faults Event Mask See section 12 1 3 Event Mask 64 to 143 Event Mask settings for alarms Event Mask section 12 1 3 Settings 91 Communication Interfaces 12 1 3 Setting Bitpacked Options With the Terminal Five sets of options and features settings are available through the terminal to control the system operation Under System Settings for the SPT command these items denote which options are INSTALLED 6 Options 1 14 Comms Options 1 15 Comms Options 2 Under User Settings for the SPT command these items denote which features are ENABLED 17 Critical Option Enabling 18 Non Critical Option Enabling The value parameter settings are in the form of a bit packed word in hexadecimal notation In other words each bit indicates a particular setting for the option or feature The bit assignments for the options and features are as follows Options 1 bitO HasDualOutputBreaker bitl HasPDU bit2 Has4PoleTransferSwitch bit3 HasShuntTrip bit4 HasWyeOutputXfmr bito HasExternalPrecisionTimeSource bit6 HasS
119. Transfer Switch 2 Power Distribution Unit Only one modem can be utilized by the STS2 PDU The dialog box contains a series of choices that access either a keypad or a secondary dialog to config ure settings Auto dial can also be configured for the modem to be triggered by events as set up in the Event Mask choices Designated major alarms activate the auto dial modem sequence Automatic dial attempts are made to the first number three times at 30 seconds between attempts If connection is not established in that time period the system automatically rolls over to the second number Auto dial attempts are made again three more times at 30 seconds between attempts The process is repeated until a success ful connection is made Upon successful connection the system transmits a present status data including all active alarms messages After transmission the modem automatically hangs up and returns to the auto answer mode 105 Touch Screen Display To configure the modem 1 Select MODEM from the Comm Options menu The Modem dialog box is displayed Figure 71 Modem dialog box 10 11 Modem Modem Type INT EXT Primary Line Secondary Line Init String Baud Rate Modem Health Check YES Auto Dial Auto Dial out YES YES Save Cancel Select the type of modem that the STS2 PDU will be using Select INT if the STS2 PDU will be communicating via an internal modem
120. a For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was also written to the Event Log if so configured INPUT 1 CB6 OPEN Input 1 CB6 Open Source 1 input Circuit Breaker 6 is open Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was also written to the Event Log if so configured INPUT 2 CB7 OPEN Input 2 CB7 Open Source 2 Input Circuit Breaker 7 is open Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide techn
121. a eae WA MUS ERUNE NS oT ee PEN AS 106 Input Contact Isolator dialog 108 Programmable relay board dialog 110 System Options ese VEDO aed us da en 111 PDU options button 4 d ecce seed dec dh ne Sta ede s 112 Event Mr 113 History log 5441 5 SA LL 8 113 Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 18 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 28 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 Table 31 Table 32 TABLES Shipping weights typical 4 Heat outputs US On NO Seas DAT tears 5 Altitude conversion feet to 6 Input output conduit plate specifications 10 Remote source selection terminal 11 Terminal block 1 and terminal block 2 wire 12 Distribution eonfigurations ue Iw Ru pia ere rm CPU ore dt 13
122. ading and Handling eerie nerean ed we e hehe E A RA Parse 3 1 2 1 Handling 4 1 2 2 Unit Pr paration scores Rite ee Ais BAS DG ee eke 4 1 3 Internal Inspections 3 2 S es ML RE e su Lee eo 4 2 0 LOCATION CONSIDERATIONS 5 2 1 Recommended Minimum Service 1 5 2 2 Heat Outputs ee roe hd tetuer eter ae tute ue ted t UR Sige eis 5 2 3 Operating 5 DAS SAIC 6s sb Pata er viri itu ecd as oet eodeni or inva sh mre N EREN 6 3 0 LoCATINGTHESTSZ2IPDU eee EDEN 7 3 1 Anchoring the Unit tothe Floor si seni ee IER Reda ee 7 3 2 Leveling of the 250A Only STS2 PDU Without 7 4 0 POWER AND CONTROL 8 4 1 Input Output Power 8 4 2 System Grounding wv ee EE OE Seda as deis 11 4 3 Conitrol Wirinig Connections sose bate hae ta Boas ed VER ERU 11 4 4 Remote Source Selection 11 4 5 Power SUP Pl yr es Ba es alt
123. aker is assigned to the output load The power flow to the load cannot flow through the Static Transfer Switch 2 Power Distribution Unit Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 51 PHASE ROT ERROR Source 1 Phase Rotation Error A phase rotation error condition exists on Source 1 Check the phase sequence ABC of Source 1 Transferring to Source 1 has been inhibited Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 52 PHASE ROT ERROR Source 2 Phase Rotation Error A phase rotation error condition exists on Source 2 Check the phase sequence A
124. alarm also is cleared if the unit transfers to the preferred source due to an alternate source AC volt failure i e an emergency transfer Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard CB1 81 OPEN Circuit Breaker 1 for Source 1 Open Circuit Breaker 1 is not closed CB1 is only assigned to Source 1 Check that the Circuit Breaker 1 switch is in the desired position Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 134 Event Message Help Text CB2 S2 OPEN Circuit Breaker 2 for Source 2 Open Circuit Breaker 2 is not close
125. alarm clears itself when the I Peak condition clears If this alarm is set for manual reset mode the alarm continues to show as active after the current returns to nominal still inhibiting transfers You will need to manually reset the alarm If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your key board The alarm has triggered a message to be sent to the modem if so configured SOURCES OUT OF SYNC Sources out of synchronization The phase difference between Source 1 and Source 2 has exceeded the deviation as set for MANUAL MAX XFER PHASE ANGLE under User Settings A manual transfer cannot take place while the sources are not synchronized Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 133 Event Message Help Text LOAD ON ALT SOURCE STS2 PDU load on the alternate source The Static Transfer Switch 2 Power Distribution Unit is running on the alternate power source Check the Ev
126. alarm input The alarm name can be 121 INPUT CONTACT 2 programmed with an alarm name from the Input Contactor Isolator 122 INPUT CONTACT 3 settings option under the Comm Options See Configuring the Input 123 INPUT CONTACT 4 Contact Isolator Settings page 108 The alarm is sent to Monitor AE 124 INPUT CONTACT 5 DSP The LCD logs the alarm with the programmed name Monitor 125 INPUT CONTACT 6 DSP logs it with the generic name which is how it is reported to the 126 INPUT CONTACT 7 SVT query 127 INPUT CONTACT 8 128 CONFIG MODIFIED A setpoint configuration has changed E 129 PASSWORD CHANGED The password for touch screen access has been modified and saved E 130 TIME REPROGRAMMED The system s time has been reset and saved E 131 DATE REPROGRAMMED The system s date has been reset and saved E 132 EVENT LOG CLEARED The event log has been erased E 133 HIST LOGS CLEARED Both History Logs have been erased E 134 XFER COUNT CLEARED Transfer counter reset to 0 E 135 KWH COUNT CLEARED KW Hrs counter reset to 0 E 86 Communication Interfaces 12 0 COMMUNICATION INTERFACES The STS2 PDU monitoring system offers several choices for communications The RS 232 terminal port is standard on all units The port is inside the front door to the left of the touch screen front panel mounting as shown in Figure 55 This port is primarily used as an alternate user interface to configure control and diagnose the system Com
127. arm condition When the History Status buffer is frozen a History Log is created Two History Logs are available to track major alarms This log includes the triggering event plus the surrounding events and the system voltages currents frequency power source selection and breaker positions at the time of the event The History Log displays the 64 sequential frames in 4 millisecond intervals of the Present Status screens surrounding the event If you are viewing the log from the touch screen the Mimic and the Event Display show the data that was present as the alarm was triggered The data is displayed as frames are played The History Log allows you to replay the events leading up to the alarm and the events right after the alarm to see the status of the switch at that time and diagnose the cause of the alarm The History Log is triggered when certain events are tripped that have the Freeze option enabled You can run through the frames sequentially The sequence of the events is identified by date time and frame number The History Log frames are stored in a nonvolatile memory buffer that is continu ously overwritten until a designated fault condition occurs When the fault occurs to trigger a freeze the History Log stores the next 23 frames then freezes until it is reset The History Log then keeps 40 frames before the fault the frame where the fault occurred plus the next 23 frames The History Log should not be reset until the fault
128. at 08 30 05 OUTPUT UV 1 mav soe _ ues 113 Touch Screen Display 13 7 2 13 7 3 13 7 4 13 7 5 13 7 6 13 8 To use the History Log 1 Select LOGS from the menu bar to open the Logs menu 2 Select either HISTORY LOG 1 or HISTORY LOG 2 from the menu 3 Select the appropriate buttons to replay the log Select PREV to go to the previous frame in the sequence Select NEXT to go to the next frame in the sequence Move the green cursor to the location from which you would like to play the sequence of events Select REPLAY to play the frames automatically from the point of the cursor Select STOP to halt the replay Select RESET to return to the first frame in the log 4 Select EXIT to close the History Log The data remains in the log Use CLEAR HLOGS to remove the data from both history logs NOTE Event and History Logs are protected by security The password or a disabled key lockout is required on such equipped units to clear these logs Source Transfers The Source Transfer choice SOURCE XFERS allows you to manually select a preferred source To switch the primary source refer to 10 2 Manual Transfer Preferred Source Selection Startup Procedure You can access instructions for starting the STS2 PDU from the menu bar From the menu bar select STARTUP PROC These instructions are also provided on 10 1 Normal System Turn On Bypass
129. ate source A E 83 AUTO REXFER INHIBIT Automatic retransfer is inhibited 84 CB1 51 OPEN Source 1 Circuit Breaker 1 is open A E 85 CB2 52 OPEN Source 2 Circuit Breaker 2 is open A E 86 CB4 51 BYP CLOSED Source 1 on bypass Circuit Breaker 4 is closed A E 87 CB5 S2 BYP CLOSED Source 2 on bypass Circuit Breaker 5 is closed A E 88 CB3 OUTPUT OPEN Output circuit breaker CB3 is open A E 89 CB3A OUTPUT OPEN Output circuit breaker CB3A is open A E 90 51 PHASE ROT ERROR Source 1 phase rotation error 91 52 PHASE ROT ERROR Source 2 phase rotation error 92 TRANSFER INHIBITED Transfer inhibited A E 93 OUTPUT UV Output is under voltage D F A E 94 HISTORY LOG FULL t o 0 eee 96 INPUT 1 OV INPUT Source 1 over voltage 97 INPUT 1 UV INPUT Source 1 under voltage 98 INPUT 2 OV INPUT Source 2 over voltage 99 INPUT 2 UV INPUT Source 2 under voltage 100 LOAD OVERCURRENT Output over current 101 GROUND OVERCURRENT Ground over current 102 NEUTRAL OVERCURRENT Neutral over curremt 103 LOAD VOLTAGE THD Voltage THD has exceeded the set limit 104 INPUT 1 CB6 OPEN Source 1 input Circuit Breaker 6 is open A E 105 INPUT 2 CB7 OPEN Source 2 Input Circuit Breaker 7 is open A E 106 INPUT 1 OF UF Source 1 over frequency under frequency A E 107 INPUT 2 OF UF Source 2 over frequency under frequency A E 120 INPUT CONTACT 1 Input Contact x is an optional
130. ating on bypass Turn off the load equipment per manufacturer s recommendations Open or panelboard breakers and main if supplied Open the bypass switch or CB5 to turn off the static transfer switch output To completely de energize the unit turn open CB6 and CB7 eoo E 81 Alarms and Faults 11 0 ALARMS AND FAULTS 11 1 Alarms and faults are events that are triggered when the operation of the Static Transfer Switch 2 Power Distribution Unit falls outside of the defined parameters These events can also be triggered by user actions such as changing configurations clearing logs etc failed components such as a fan failure an SCR that is open or shorted etc and system status such as open circuit breakers load on alternate source etc These events can provide a warning or trigger the system to make a change such as switch sources or the recording of a history log The STS2 PDU monitoring system detects and annunciates a comprehensive set of fault and alarm conditions Faults and alarm messages are can be viewed on the LCD touch screen or via the RS 232 port On the LCD touch screen the events are shown in the Status Display panel in the lower left corner of the touch screen and written to the Event log You can touch a message to view a definition of an event and a tip for troubleshooting See 13 0 Touch Screen Display for more information about the touch screen If you are monitoring the system
131. ayed b Select Source 1 or Source 2 as your preferred source The unit will restart 14 Select a setting for the RESET Select AUTO to configure the Static Transfer Switch 2 Power Distribution Unit to automati cally reset when a fault clears and the voltage and current are normal Select MAN to require a manual reset of the Static Transfer Switch 2 Power Distribution Unit when fault clears and the voltage and current are normal CAUTION Risk of equipment damage and personnel injury Use of Auto Restart is site specific Do not enable auto restart unless the infrastructure is designed for unattended operation and there is no chance of equipment or personnel harm by automatic re energizing of the system Consult with your Liebert site Engineer as to whether Auto restart should be enabled 103 Touch Screen Display PDU Setpoints The PDU Setpoints option allows you to configure the following parameters for the PDU shown in Figure 69 Load Voltage THD Neutral Current of nom Ground Current A Load Bus Overcurrent of nom Figure 69 PDU setpoints PDU Set Points Load Voltage THD Neutral Current 95 237 5 m Ground Current A 50 Load Overcurrent 101 252 5 A Save Cancel Table 18 shows the range of valid values default values and resolution for each parameter Table 18 PDU setpoints Button Range Default Resolution Load Volta
132. ces are available and synchronized within the user adjustable phase synchronization window For sources where the two frequencies are not exactly in phase manually initiated transfers are delayed by the STS2 PDU until the two sources are within the defined phase synchronization window Source selection can also be done remotely using the Remote Source Selection option if installed Automatic Transfer Retransfer If the preferred source is out of voltage and or frequency limits the load is automatically transferred to the alternate source The default transfer voltage limits comply with the limits of the IEEE Std 446 1995 computer voltage tolerance envelope If the unit is so configured the load is retransferred automatically to the preferred source after the preferred source returns to within the acceptable voltage and frequency limits for at least the defined retransfer time delay and is in phase with the alternate source You can enable and disable automatic retransfer to the preferred source through a user configuration setting Automatic Retransfer Inhibited If the system makes five transfers from the preferred source to the alternate source in a five minute period automatic retransfers back to the preferred source is disabled To clear this alarm condition you must assign the alternate source as the preferred source Also the UV detection thresholds may need adjustment See Source Setpoints on page 101 for instructions on setting th
133. ch status source voltage and current readings output power measure ments and active alarm messages See Figure 62 Event Controls The STS 2 detects events when certain thresholds are passed or certain problems occur The alarm controls allow you to acknowledge the existence of these events RESET All latched events whose conditions have cleared are removed from the Event Display Faults and alarms that remain active or are not recoverable are not affected when this button is selected This button is also used to perform manual I Peak resets and manual retransfers SILENCE turns off the audible alarm horn or beeper without resetting the triggering event This setting does not permanently turn off the horn The alarm sounds again when the next event with an audible alarm setting is triggered Active events are shown in the Event Display whereas cleared events can be reviewed via the Event Log Event Display The Event Display lists the condition of the STS2 PDU in real time Both nominal system parameters and alarm messages are displayed in the Event Display You can touch any message in the Event Dis play to display more information in the Display Panel to the left The selected status is displayed in bold type Menu Bar As previously mentioned the menu bar provides both configuration choices and information The choices under the Config and Log menus access additional dialog boxes while the other menu choices only show
134. ckly check the status of the unit and identify problems A touch screen LCD is available through the front of the STS2 PDU This screen provides a graphical Mimic display of the switch s operation plus system information including system parameters alarms and faults The LCD provides a color back lit touch screen as a user interface In addition to the Mimic and the system parameters the screen provides a series of menus to allow you to configure the STS2 PDU including the control of the preferred source auto manual retransfer selection alarm notification and other system setpoints The touch screen also provides buttons to reset alarms and turn off audible alarms such as a horn 13 1 Display Overview The STS2 PDU Color Graphical Display provides three areas of information plus buttons and a series of menu choices The Color Graphical Display contains the following features Mimic a graphical diagram of the status of the unit Event controls allow you to reset alarms and turn off audible alarms Event display displays any active alarm or fault condition in real time Menus provide choices and configuration settings in dialog boxes or information in the display panel Display panel provides additional information depending on the menu choice that was last selected This information includes event help text and startup and bypass procedures Figure 62 STS2 PDU Touch Screen Display Mimic
135. condition that caused the buffer to freeze is reviewed and investigated by a qualified service technician After the alarm condition has been cor rected the History Log can be cleared The History Log has the following fields Replay Rate indicates how long it takes for the replay to play Use the UP and DOWN buttons to set the time Status the status of the STS2 PDU at the point of the current frame in the replay The History log has three statuses Frozen Not Frozen and Retrieving Data please stand by Critical Event The event which triggered this log to be written The event is indicated in red on the bar graph Frame Number the current frame in the replay A negative number indicates the replay is at a point before the triggering event occurred Alarm Notes The I PK on Source 1 and I PK on Source 2 alarms inhibit automatic transfer due to an overload or load fault These alarms can be set for either auto or manual alarm reset In the auto reset mode the alarm is reset as soon as the load current and source voltage return to are inhibited until the conditions return to normal and the user manually presses the RESET button In either case the cause of the Source 1 or Source 2 Ipeak overload should be investigated and resolved such as by reducing the overload condition or clearing the output fault before returning the switch to normal operation These events indicate a device failure The device must be replaced a
136. configure the systems setpoints The SVT syntax for the setpoints con sists for four parameters SPT group item value where the parameters are SPT is the terminal command that is used to configure setpoints group the group under the setpoint command which contains the desired settings item the item number within the selected group value the desired value for this item Only the specific options words listed in this section use a hexadecimal value Other settings depend ing on what they are use other input types For example System ID uses a text string nominal volt ages and currents use standard numeric integers and modem baud rate uses an enumeration where 0 2400 1 9600 amp 2 19200 bps NOTE Spaces are placed between each parameter but not between characters or numbers in a parameter Using an underline here to represent a space an example of a the syntax is SPT 2 6 0081 The value parameter is 0081 This section provides instructions for setting these parameters with an example of building an SPT command for System and User settings Groups Parameter The setpoints are grouped for ease of configuration For example Event Masks are group 4 and Sys tem Settings are group 2 The numbers shown below are entered for the group parameter For exam ple start of a System Settings command is SPT 2 The group parameters are 1 System Ratings 2 System Settings 3 User Settings 4
137. cted to the same input source and only one bypass breaker can be closed at a time All breakers are equipped with N O and N C auxiliary switches for monitoring of the breaker positions The two solid state static switch input breakers are equipped with 48 VDC shunt trips to allow for control by the STS2 PDU logic See Tables 9 through 11 Cable Entrance Removable conduit termination plates are provided in the top and bottom of the STS2 PDU for termi nation of the two source input conduits or raceways and or the output conduits or raceways On units with inline panelboards output conduit or raceways are bottom exit only Doors A removable key lock hinged front door provides access to the circuit breakers Color Graphical Display The display is located in the front of the unit Front panel display is an LCD touch screen display for monitoring and configuring the unit See Figure 57 for a drawing of the touch screen display 118 Specifications 14 2 9 RS 232 Port The unit is equipped with an RS 232 port for connecting a terminal or PC See Figure 55 for the port s location See 12 1 Using the RS 232 Port for instructions on using a PC terminal with the unit 14 2 10 Terminal Port Connections The system has an asynchronous serial port configured as Data Terminal Equipment for terminal access only half duplex The CPU services the terminal port with no handshaking The serial port conforms to RS 232 levels with a data format
138. d Power and Control Wiring Figure 5 Typical STS2 PDU one line diagram with inline distribution dual static switch output circuit breakers SUBFEED 1 SUBFEED 2 CB4 SOURCE 1 SURGE SUPPRESSION CB13 SOURCE 2 SURGE SUPPRESSION Ww HERR Ww 8 NY 5 42 POLE DISTRIBUTION PANELBOARD Figure 6 Typical STS2 PDU one line diagram with I Line distribution dual static switch output circuit breakers m je 5 OUTPUT BREAKER S UPPRESSION LINE SOURCE 2 SURGE UPPRESSION OPT The input and output power wire size should be based on the overcurrent protection device observing the NEC and local codes The STS2 PDU output power ground and neutral busbars accommodate a wide range of wire sizes The STS2 PDU busbars accommodate standard two hole lugs Table 4 Input output conduit plate specifications Ratin Maximum Number 9 of Conduits Size in 12 2 250A 8 2 1 2 6 3 or 3 1 2 6 2 4 2 1 2 or 3 6 2 1 2 5 3 or 3 1 2 10 Power and Control Wiring 4 2 4 3 4 4 System Grounding Equipment grounding Grounding is primarily for equipment and personnel safety although proper grounding also enhances equipment performance
139. d If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 141 Event Message Help Text INPUT CONTACT 7 Input Contact Isolator 7 Occurrence of the indicated external event has been detected by Input Contact Isolator 7 of the Open Comms Digital Input option board Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The event with its assigned name was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard INPUT CONTACT 8 Input Contact Isolator 8 Occurrence of the indicated external event has been detected by Input Contact Isolator 8 of the Open Comms Digital Input option board Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The event with its assigned name was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configure
140. d If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard CONFIG MODIFIED Configuration Modified A setpoint has been updated and saved The event was written to the Event Log if so configured PASSWORD CHANGED Access Password Changed The password for accessing the HMI touch screen options has been updated and saved The event was written to the Event Log if so configured TIME REPROGRAMMED System Time Reprogrammed The system s time setting has been updated and saved The event was written to the Event Log if so configured DATE REPROGRAMMED System Date Reprogrammed The system s date setting has been updated and saved The event was written to the Event Log if so configured EVENT LOG CLEARED Event Log Cleared All past alarms and faults are no longer recorded in the system s event log This event was written to the Event Log if so configured 142 Event Message Help Text HIST LOGS CLEARED History Logs Cleared Both History Logs have been erased and the logs are now available to record future events The event was written to the Event Log if so configured TRANSFER COUNTER CLEARED Transfer Counter Cleared Transfer counter reset to 0 Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For
141. d CB1 is only assigned to Source 2 Check that the Circuit Breaker 2 switch is in the desired position Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard CB4 81 BYP CLOSED Circuit Breaker 4 Source 1 Bypass Breaker Closed Circuit breaker 4 is not open The input from Source 1 is bypassing the Static Transfer Switch 2 Power Distribu tion Unit Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard CB5 81 BYP CLOSED Circuit Breaker 5 Source 2 Bypass Breaker Closed Circuit breaker 5 is not open The input from Source 2 is bypassing the Static Tran
142. d 9 dAL VIO Lg WW E FL VICI 98 49509 LAdNI 9 802 05 5 Pu psc oF De WN EYL 96 53 09 1vOIHLOd14 WOOT ONY TYNOILYN HLIM dONVOHOOOV NI 38 OL SI ONIHIM TIY S GSHCNSAWWOOsY LON S318VO WANIANTY QV TO 3ddO9 ANY Sd 18v2 LAdNI INO LINGNOS JLYYYdJS NI NOY GINOHS SATEVO LNdLNO LInIawoo 31vevd3s NI 38 LSNA ONTYIM ANY ONISIA IOHLNOO MOIHL SUV SUYVESNE ANNOYS ANY JSYHd SYSLAWIMIIN SIHONI NI SNOISNINIA 1 SALON 29 LAdNI 3Ounos 8g LNdNI c 3Osunos LAdNI dOdnos 246 LfndNIL3OWHnos LNdNI 399005 3ounos 36 Installation Drawings 600A STS2 PDU input with CB3 and CB3A 400 Figure 27 Electrical field connections 10 61011959933 109 2515 3 3114 L NOSUAWSa JANA NHOSuV3O 0901 3iva ON A3H niad esis dd Hedger ESS 009 00 Veg H LIM LNdNI AS SNOILO3NNOO 91314 TVOnd 103 T3 VNOWHVO A NMVUa vlad uvasna ANNOYS cse iaa Se we GSAOWSY STANVd ah INAOOV SHOOT HLIM MIIA LNOHJ sei 7 1 GENE StL Y Gee aes 691 599 1 8 WWE OL S3OVd 9 dAL VIO Lg WW E FL
143. d has failed Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 122 Event Message Help Text PWR SPLY DC A FAIL Power Supply DC Bus A Failed The primary power supply is no longer providing DC power to the control board and the touch screen Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system
144. dO 6 TANVd SS322V Q3ONIH ONUIONVH L3UDINOJ ALVNDAAV ATIWENLONYLS SI INOLLOS LINN 8 HH n L8 0720 1 1 Lv3H 2 BLIHM 330 Wal 9 ONITONVH TWOLLH3A 40 940 SF NIHLIM LANISVO d335 A TINO 3015 LHOW LNOYS NI GSYINDIY SS322V 3OIAH3S NOLLVTIVLSNI t LSDIVHX3 804 Oaslinod LINN 3ACSV 3ONVHYV37O WASP 81 5 6 sa Ye9es LHOI3A XOHddV Z SYSLENITIN S3HONI NI SNOISNAWIG L 078 ONIddIHS 8rvT SILON 00 0 AYLNA LINGNOO JOYLNOD INOLLOg dAL MALTA LON Od DIVINI v 9960 H LIMS 1A040014 1195 66 4 ep 6 96 9 ONIddIHS 10 32 wings Installation Dra Figure 23 Electrical field connections 250A STS2 PDU input output with CB8 6001 818 SAWN 3714 515 j aia E ON A3H 949 HLIM m peg ON 092 LAdLNO LNANI ABS id lt eens dAL g 1Vvlad alt WIN el 5 GNNOYD 19 uL MAL SIL v Ii v13a avasna LAdLNO 9 IVH LLO3N 398n0S ld 01 dAL LON Wad 1 7 SLGX ICL TWHLNAN 532 1
145. e ICI The Input Contact Isolator options are configured through the Input Contact Isolator dialog box which is accessed from the Comm Options dialog box The Input Contact Isolator dialog box contains eight choices to match the eight channel input board You can label each button to identify the event associated with the contact When the dialog box is accessed each button flashes to display the Input Contact Isolator number and the user entered label This label also appears in the Display Panel when an event related to an Input Isolator Connector is triggered The Input Contact Isolator dialog box allows you to Label the input contact assignments for your setup Set the delay for an external event triggering an alarm Review the 1solator contact assignments once the labels are entered The delay allows you to set the number of seconds which a condition needs to persist to trigger an alarm These input alarms can also be configured to activate a programmable relay output which is dis cussed in Configuring the Programmable Relay Board Settings on page 109 To configure the Input Contact Isolator relays 1 Select INPUT CONTACT ISOLATOR from the Comm Options menu The Input Contact Isolator dialog box is displayed Figure 72 Input Contact Isolator dialog box Input Contact Isolator INPUT CONTACT 1 DELAY foo INPUT CONTACT 2 DELAY foo INPUT CONTACT 3 DELAY foo INPUT CONTACT 4 DELAY oo INPUT CONTACT 5 D
146. e UV detection This alarm also is cleared if the unit transfers to the preferred source due to an alternate source AC volt failure 1 an emergency transfer 72 Theory of Operation 9 1 5 9 1 7 9 2 9 2 1 Emergency Transfer To ensure that power remains connected to the load the STS2 PDU automatically performs an emer gency transfer from one input source to the other when an outage occurs on the existing source The automatic transfer takes place if the other source s voltage is within acceptable limits and regard less of the phase difference between the two sources Emergency transfers occur with a loss of power on the output of less than 4 ms Emergency transfers from the alternate source to the preferred source are not affected by the Auto Retransfer Enabled Disabled or Retransfer Delay user settings Load Current Transfer Inhibit The STS2 PDU senses the load current If the load current exceeds the preset level deemed to repre sent a load inrush or fault condition the unit s logic disables manual and automatic transfers even if the selected source s input voltage is outside the acceptable limits This event triggers an I Peak alarm If so configured the Load Current Transfer Inhibit is automatically reset after the current and voltage return to within normal parameters This reset provides continued protection against a source failure The Load Current Transfer Inhibit also can be programmed to require
147. e of at least 18 in 46cm is required above the unit for cooling air flow 2 2 Heat Output The unit produces minimal heat during normal operation Table 2 Heat output Heat Output Switch Size BTU Hr kW 250A 12 590 3 69 400A 20 140 5 90 600A 30 200 8 85 800A 40 270 11 80 2 3 Operating Environment The unit is designed to be installed indoors where the ambient air temperature is in the range of 32 to 104 F 0 40 with a relative humidity of 096 to 95 non condensing up to an altitude of 4000 feet 1200 meters Location Considerations 2 4 Figure 1 Altitude The standard units are designed for full load operation up to 4000 feet 1200m above sea level See Figure 1 for recommended deratings for altitudes greater than 4000 feet 1200m Rating Recommended derating for high altitude operation 100 T ae AE ees o E 90 88 86 0 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 9500 10000 Operation at full load at a higher altitude can be accommodated in ambient temperatures less than 104 F 40 C ambient Figure 2 shows the maximum allowable ambient temperature for full load operation at altitudes above 4000 feet 1200m Figure2 Maximum ambient temperature for full load operation at higher altitudes Max Ambient Temperature oF C 104 0 40 102 2 39 100 4 38 98 6 37 96 8 36 95 0 35 93 2 34 94 1 33 89 6 32 87 8 31 86 0 3
148. e unit from a terminal type CA and press RETURN on your keyboard 127 Event Message Help Text CB2 SHUNT TRIP FAIL Circuit Breaker 2 Shunt Trip Failure Circuit Breaker 2 failed to trip open when the control issued a command for the circuit breaker to trip Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard EQUIPMENT FAN FAILURE Equipment Fan Failure One of the equipment fans has failed Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can prov
149. eVOG LOVLNOOD LNdNI Z ALON JAS NOILdO AX T38 3 18VIAIWVeHO Od z 310N 33S NOIL dO Qu vog AW T38 3 T8VWIAVHO Oud NOlLdO 123135 ALOWSY GASN 38 NYO 8 AV T38 diaviWAVeeoud c OML 40 IADIWIXVIW NMOHS SNOILdO TWOldAL 71 SALON lIV L3d NOLLVO2O NOILdO Q3AON3M HOOQ LNOS3 HLIM MIIA LNOJ TOYULNOD VLA NOILVOOT1 NOlLLdO 33S 58 Installation Drawings 600A STS2 PDU 400 top entry Figure 49 Control location drawing conduit box Vo LOt LdSd 3ul A IOHINOO TICdZSTS 3yIVN 3114 diva ON Addu OM 38 NOSWUZAJNWAI MEE div 009 00b ANNA dOL TONLNOO MIIA dO ACIS 39V Id3H 9 S3Igvo ANY1 LINGNOO TIVISNI S MIA GATIVLSNI JHL NMOHS SY JHL J3OV SLICINOO 40 Tid H3AOO SCIS JHL JAOIW3H ONIddIHS HOA LINN HO dOL 40 3GISNI NMOd 3alsan SI LINGNOO 1 AHL F SALON LINGNOD TlOSINOO H3JAOO ACIS 318VO ANY LINGNOD TIVLSNI OL YSA09 ACIS AAOWAY 1 1 SALON V 1 33S xog LINGNOS TOH LNOO 59 wings Installation Dra lon for the programmable relay board opti ing 50 Control wir Figure
150. en display Sources SOURCE 2 208v 208v 208v T2 B C CA 208v 208 208V 60 0 HZ SILENCE 60 0HZ Static Transfer Liebert KEEPING BUSINESS IN BUSINESS Event controls amp EMERSON Network Power Event display CONFIG SOURCE XFERS STARTUP PROC 75 Operating Instructions 10 2 4 Close 5 Verify that Source 1 voltages are nominal and that CB1 breaker status is correctly indicated on the Monitor Mimic screen 6 Close CB2 7 Verify that Source 2 voltages are nominal and that CB2 breaker status is correctly indicated on the Mimic screen 8 Verify that boxes for the preferred source and corresponding Static Transfer Switch 2 Power Distribution Unit are highlighted on the Mimic screen indicating which side of the Static Transfer Switch 2 Power Distribution Unit is on 9 Close Output Breaker CB3 for redundant output configurations also close 10 Verify that the Output box and the Load box are highlighted indicating that is closed and the STS output is energized On units with I line panelboard the panelboard is also energized NOTE Q For redundant output configurations descriptions apply to and CB3A 11 Press the RESET button on the touch screen to reset any previous alarms 12 Check the Event Display and the Mimic to verify there are no active alarms If any active alarms are displayed refer to 11 0
151. energized and locked out before making connections inside unit Lethal voltages exist inside the unit during normal operation Only qualified service personnel should perform maintenance on the STS2 PDU NOTE Read the entire manual before installing or operating the system Adhere to all operating instructions and warnings on the unit and in this manual WARNING Under typical operation and with all STS2 PDU doors closed only normal safety precautions are necessary The area around the STS2 PDU should be kept free of puddles of water excess moisture and debris ONLY qualified service personnel should perform maintenance on the Static Transfer Switch 2 Power Distribution Unit When performing maintenance on any part of the equipment under power service personnel and test equipment should be located on rubber mats The service personnel should wear insulating shoes for isolation from direct contact with the floor One person should never work alone even if all power is removed from the equipment A second person should be standing by to assist and summon help in case an accident should occur WARNING The input sources to the STS2 PDU must be grounded wye sources Input sources other than solidly grounded wye sources may cause damage to the switch Liebert Corporation neither recommends nor knowingly sells this product for use with life support or other FDA designated critical devices The Static Transfer Switch 2 Power Di
152. ent Log to determine the reason for the transfer from the preferred source Another event has caused the system to transfer to the alternate source The system returns the load to the preferred source either automatically or manually depending on how the system is configured In automatic reset mode the STS2 PDU automatically retransfers to the preferred source after the causal con dition clears In manual reset mode the system remains on the alternate source after the causal event clears until you select RESET from the touchscreen or enter CA Clear Alarms from a service terminal NOTE Pressing the RESET button returns the unit to the preferred source Ensure that the condition that triggered the switch has been rectified before returning to the preferred source Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured AUTO REXFER INHIBIT Automatic Retransfer Inhibited The system made five transfers from the preferred source to the alternate source in the last five minutes As a result automatic retransfers back to the preferred source is now disabled To clear this alarm condition assign the alternate source as the preferred source This
153. equip ment operation These guidelines should be reviewed for any special equipment modifications special site conditions or company policies that may require changes to the standard equipment operation All programmable functions are preset at the factory to enable the unit to be brought up without the need to enter all selectable parameters The LCD touch screen is discussed in more detail in 13 0 Touch Screen Display See Figures 23 through 36 for circuit breaker locations 10 1 Normal System Turn On 1 Depending on the type of distribution used If equipped with output breaker CB8 open CB8 If equipped with output inline panelboards open panelboard main breakers CB8 and CB9 and if supplied CB10 and CB11 If optional subfeed breakers are supplied open subfeed breakers CB12 and CB13 See Figures 3 through 6 for location of breakers a Retract the bolts on the key interlocks for CB1 and CB2 b Extend the bolts on the key interlocks for CB4 and 5 thus preventing CB4 or CB5 from being turned ON 2 Apply source input power to both STS2 PDU inputs by closing CB6 and CB7 The touch screen control panel should become active and operate properly when at least one of the inputs is energized 3 Verify that nominal input voltages are applied to both inputs Source 1 and Source 2 The input voltages selected preferred source breaker and switch status and alarms are indicated on the Mimic screen Figure 59 STS2 PDU touch scre
154. es To set the event masks 1 Access the Event Mask dialog box a Select CONFIG b Select EVENT MASK from the pop up menu The Event Mask dialog box is displayed See Figure 66 2 Select the mask settings for each fault and alarm a Select YES to enable the setting OR b Select NO to disable the setting 3 Select SAVE to keep the settings Figure 66 Event Mask dialog box 100 Touch Screen Display User Settings The User Settings choice allows you to adjust the user accessible switch settings Access is limited to qualified personnel via system security To access the User Settings dialog box 1 Select CONFIG 2 Select USER SETTINGS from the pop up menu The User Settings dialog box is displayed See Figure 67 The top six buttons access a series of secondary dialog boxes to configure the various settings Figure 67 User settings dialog box Source 1 2 Set Points PDU Set Points Manual Xfer Max Phase Angle Deg Frequency Trip Point Hz o Retransfer Delay Sec o Audio Level Display Brightness Auto Rexfer Enable Auto Restart Enable l Peak Reset Save Source Setpoints The Source 1 2 Setpoints allows you to configure trigger points for each input source 1 or 2 for the STS2 PDU via a keypad dialog or HI LO dialog box The source numbers do not designate the source as the preferred or alternate source The numbers simply identify the input source See 10 2 Man ual Transfer P
155. es The Internal Modem is capable of dialing out from the STS2 PDU or accept ing incoming calls and connecting to a remote terminal or computer Using an ASCII Query and Answer format the modem connection can be used to view system status and alarms The modem pro vides all information normally available on the LCD of the STS2 PDU No control functions are avail able via the modem such as making transfers selecting a preferred source or changing configurations The modem can also be configured to dial out two different telephone numbers any combination of modem or pager numbers The connection to this modem is through a standard RJ 11 port See Figures 47 and 48 for the location of the internal modem See Figure 53 for more information on the internal modem Programming the modem is performed through the touch screen display see Configuring the Modem on page 105 for details The modem commands are shown in Table 13 Network Interface Card NIC An OpenComms Network Interface Card NIC enables the STS2 PDU to communicate to a network management system NMS The NIC provides the internal hardware and software to communicate via SNMP to any I P based Ethernet network through an RJ 45 connector using Category 5 cabling The NIC provides redundant paths for communications that make it possible to connect to a Building Management System BMS using Modbus while simultaneously communicating to a NMS through SNMP A terminal block pro
156. ff the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Events Log is so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the STS2 PDU system from a terminal type CA and press RETURN on your keyboard S1 GATE DRIVE FAIL Source 1 Gate Drive Failure The gate drive module for an SCR for Source 1 has failed This module is contained on the right side gate driver board Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the STS2 PDU system from a terminal type CA and press RETURN on yo
157. figurations ensure you have selected YES for all the settings that you want activated 2 Select SAVE to keep the settings Whenever you make modifications to the any of the Comm Options select SAVE to keep the changes System Options Most System Options are configured at the factory However you may need to set two of the choices after the unit is installed Wye Output Transformer and Remote Source Selection Select SYSTEM OPTIONS from the System Settings Menu The System Options dialog box is displayed option is enabled by selecting YES option is disabled by selecting NO Figure 74 System options System Options o Dual Output Breaker PDU 4 Pole Transfer Switch dis lt m c Shunt Trip Wye Output Transformer Remote Source Select Save uum BH Dual Output Breaker This selection is set at the factory The choice is set to YES to enable both output breakers CB3 and when two are installed in the unit If only one output breaker CB3 is installed the setting is set to NO 111 Touch Screen Display PDU This selection is set at the factory to YES which allows the LCD to draw the Mimic accordingly and display PDU metering and alarm information Select the PDU button in the System Options window see Figure 74 This opens the PDU Options window shown below in Figure 75 Figure 75 PDU options button PDU Options Surge Supressors TVSS
158. for the Network Interface Card NIC 64 Control wiring for the RS 232 Port 65 Control wiring for remote source selection 66 Color LCD touch screen 67 STS2 PDU touch screen display 0 0 cc eee eee eee teen nes 71 STS2 PDU touch screen 75 Source Transfer sereen zi k ae a a AR 77 Gate board viewing slot 78 STS2 PDU Touch Screen Display 96 dore ipa decd AA 97 Keyboard and keypad 97 Key lockout switch ov aee Fb ees Ra 98 Event Mask dialog e t 100 User settings dialog RES Ree BEE a RU VH ELDER 101 Soutce selpoltibs 102 EDU perte etic tps DE dee br fert ONES 104 Comm options dialog box 105 Modem dialog box im cect
159. from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard PWR SPLY DC B FAIL Power Supply DC Bus B Failed The secondary power supply is no longer providing DC power to the control board and CAN options Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard PWR SPLY S1 AC FAIL Power Supply Source 1 AC Failed The AC input power to the power supplies from Source 1 has failed
160. g present The STS2 PDU includes key interlocked maintenance bypass breakers that allow either input source s electronics to be bypassed for maintenance without interruption of power to the load The maintenance bypass allows all electronics to be isolated from the input output and bypass connec tions Bypass instructions are available from the touch screen and are discussed later in this manual Operator Controls The STS2 PDU is equipped with an interface to configure and monitor the unit either locally or remotely The Color Graphical Display is a touch screen LCD that provides a color diagram Mimic that displays the current status of the unit System parameters are displayed and help is available to define events See Figure 58 below and Figure 57 in 7 0 Installation Drawings The touch screen menus allow the operator to initiate source transfers view event and history logs and view bypass and other operational instructions Figure 58 STS2 PDU touch screen display Event controls Event display Mimic SOURCE 2 A B C A 208v 208V 208V OA 0A 0 60 0HZ RESET SILENCE Liebert KEEPING BUSINESS IN BUSINESS Display panel and help screen EMERSON Network Power CONFIG SOURCE XFERS STARTUP PROC BYP PROC HELP Loco Menu options Touch screen control buttons allow you to reset alarms silence the audible alarm review configura tions event and history logs preferred so
161. ge THD 96 3 0 to 99 9 15 0 0 1 Neutral Current of nom 10 to 200 95 1 Ground Current A 1 0A to 50 0A 5 0A 0 1 Load Bus Overcurrent of nom 50 to 100 100 System Settings The System Settings choice under the Config menu displays another pop up menu with three choices Comm Options System Options System ID To access the System Settings menu 1 Select CONFIG from the menu bar 2 Select SYSTEM SETTINGS from the Config menu 104 Touch Screen Display Comm Options The Comm Options dialog box allows you to configure the communications settings for the STS2 PDU Select COMM OPTIONS from the System Settings Menu The Comm Options dialog box is displayed See Figure 70 An option can be enabled by selecting YES option can be disabled by selecting NO option can be configured by selecting the adjacent option button to display a separate configu ration dialog box The instructions for configuring the communications options are provided in this section Figure 70 Comm options dialog box Comm Options Ec Pager Input Contact Isolator Prog Relay Board 1 Prog Relay Board 2 9 Network Interface Card 9 Site Scan Save Cancel E m Configuring the Modem The Modem dialog box allows you to configure the optional internal modem or an external modem that is connected to the Static
162. ge suppression module has failed Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured 128 Event Message Help Text HEAT SINK OVERTEMP Heat Sink Over Temperature The system heat sink temperature has exceeded the design limits Take immediate steps to cool the unit Remove obstructions from the air inlet in the front of the unit Remove and replace the air filter behind the front door A standard furnace filter can be used Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event Log if so configured The alarm
163. gh the touch screen specific voltage current and environmental parameters can be configured to trigger events that can sound an alarm write to a history log and either transfer sources or inhibit a transfer Preferred input source selection alarm reset and alarm silencing are done through buttons on the touch screen display Communication options provide external communication with the STS2 PDU through a modem a network card a programmable relay board a contact isolator or an RS 422 port to Liebert s SiteScan Redundancy Redundancy within the STS2 PDU prevents one component from being a single point of failure should a problem occur Redundant circuits and components are used to eliminate single points of failure Since the STS2 PDU has two input sources no single component failure can cause a loss of power to the load Redundant power supplies are provided which feed a DC dual bus used throughout the unit to prevent any single point power supply failure modes Three separate redundant control logic modules are built into the system Each contains the logic nec essary to run the STS2 PDU and control all transfers Redundant fans are provided if a primary fan fails The redundant fans turn on to prevent overheat ing inside of the unit Should the front panel interface fail the control logic continues to operate and the unit would transfer should a problem be detected on the preferred source Information on the monitoring parameter
164. i gu 4009 1VOIHL 93 T3 1V901 ANY TWNOILYN HLIM HONVOHOOOV NI OL SI TIY 5 GQ3ON3NWINOO3H LON JHY Sd 18V9O WANIANTY OV IO ANY Y S318VO LNdNI LInINOO ALVYVd3s V NI 39 GINCHS Sa318V5 LAdLNO LINGNOS arvesvaas NI NAY 38 LSNW ONTHIM ANY SNIHIM TOHJINO2 SHVasna 3svHd SH3L3IATTIIA ONY SIHONI NI 38V SNOISNAWIC TIY L SALON 69 STANVd IN3OOV 8 SHOOQ HLIM M3IA LNOdSs STANVd IN3OOV HLIM M3IA 3GIS 1331 vlad avasna PRREEPERRRIGCQIAER 92271121291 199 999 Zao 99 sgo NOILOAS Suvasnag JOYNNOS a31v901 SI NMOHS LON uvdsna 33S HVa8sna vlad Nvasnga 33S dodnos 5 38 wings Installation Dra th CB3 and CB3A tw inpu 800A STS2 PDU i ions Id connecti ie ical f 29 Electr Figure Heder SLOLLdSd 0J3Cd 2S1S 3114 SngWn 105 JAHO NYOSUVAC 0901 3iva ON SLOLLdSd ON Oma 009 515 008 HLIM LNdNI SNOILO3NNOO 1314 WOldLOATA A A8 Tivlad 5 ANNOYO exec uu N gu EF S cu wisi ds f t t
165. ical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was also written to the Event Log if so configured 139 Event Message Help Text INPUT 1 OF UF Input 1 Over Frequency Under Frequency Source 1 is over frequency under frequency Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was also written to the Event Log if so configured INPUT 2 OF UF Input 2 Over Frequency Under Frequency Source 2 is over frequency under frequency Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the to
166. ick OK to save the data that you have entered Use the back arrow button lt to delete unwanted characters This button functions like a backspace key on a keyboard Figure 64 Keyboard and keypad displays Backspace KEYBOARD ENTRY TOOL Primary Line z alls AAE EENE SHIFT m KEVBOARDENTRYTOOL X l MIN MAX 1 30 45_ m A en OK Cancel Backspace 97 Touch Screen Display 13 2 1 Security Because the STS2 PDU Color Graphical Display provides access to various configuration and moni toring choices a password or key lockout switch may be used to protect access to certain changes including Change configuration settings Clear logs Make a source transfer Reset an alarm Without entering the password or enabling changes with the key lockout switch you still can View the display including the mimic status and event help View logs View the startup and bypass procedures Use the SILENCE button to turn off the audible alarm Using the Optional Key Lockout Switch An optional key lockout switch for the STS2 PDU enables or disables the ability to make changes on the STS2 PDU The key lockout switch is located on the front of the unit next to the display it is behind the front door but can be operated without opening the front door See
167. ide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured INPUT 1 SURGE FAILURE Input 1 Surge Failure Source 1 input surge suppression module has failed Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured INPUT 2 SURGE FAILURE Input 2 Surge Failure Source 2 input sur
168. itional help type command or HELP command Refer to the corresponding menu options in 13 0 Touch Screen Display for more details about the commands Some terminal commands require a password to function Use the PWD command and a valid pass word to gain access Table 13 Terminal commands Keys Function Displays this help menu or specific help with a command AA Displays active alarms AF Displays active faults CEL Clears the event log CHL Clears the history logs DATE Displays current system date DATE Sets system date EL Displays the entire event log HELP Displays this help menu or specific help with a command HLn Displays the history log Zn if frozen LOGOUT Logs user out of unprotected mode PS Displays the preferred source PSn Sets the preferred source to n PWD Allows users to access protected commands QUIT Modem only Ends the session and hangs up the modem SH Silences the horn SPT Displays all current setpoints SPTx Displays current setpoints for group x See 12 1 2 Configuring the STS2 PDU via the Terminal for a description of groups SR Displays status reports TIME Displays current system time TIME Sets system time UPMDR Displays metering data VER Displays firmware versions 88 Communication Interfaces 12 1 2 Configuring the STS2 PDU via the Terminal The SPT command is used to
169. l Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured 138 Event Message Help Text NEUTRAL OVERCURRENT Neutral Overcurremt Neutral is over curremt Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was also written to the Event Log if so configured LOAD VOLTAGE THD Load Voltage Total Harmonic Distortion Voltage THD has exceeded the set limit Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your are
170. l block Contact Connection 1 Source 1 Isolated ground Source 2 Isolated Ground DO NOT USE DO NOT USE om A N See 10 3 Enabling Remote Source Selection for instructions on enabling the Remote Source Selection option 11 Power and Control Wiring 4 5 Power Supply The STS2 PDU is supplied with redundant power supplies that are designed to operate from a voltage range of 200V to 600V The unit is set at the factory to match the nameplate voltage Field adjust ments are not necessary If the unit needs to operate at a voltage other than what is listed on the nameplate contact Liebert Global Services or your local Liebert representative Table 6 provides transformer tap information Table 6 Terminal block 1 and terminal block 2 wire connections Connect Connect Voltage F1 TB1 XX F2 TB1 YY F3 TB2 XX FA TB2 YY Jumper Between d 7 d a 220 2 12 2 12 6 8 380 1 8 1 8 2 7 415 1 10 1 10 4 7 600 1 12 1 12 6 7 208 1 10 1 10 1 7 240 1 11 1 11 1 7 400 1 9 1 9 3 7 480 1 11 1 11 5 7 A CAUTION Using Table 6 ensure that the wiring for the control transformers matches the input voltage for the unit Improper wiring could result in blown fuses 12 Output Power Wiring 5 0 OUTPUT POWER WIRING 5 1 The STS2 PDU standard model is provided with a circuit breaker for connecting to the load or
171. lable in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Modes of Operation Normal Preferred Source Under normal operating conditions the STS2 PDU routes power from the preferred input source to the output load The unit monitors the voltage current and phase of each source to ensure that both are operating within set tolerances and that the alternate source is available should a transfer be required 70 Introduction to STS2 PDU Operations 8 2 2 8 2 3 8 2 4 8 3 Transfer Should the preferred source fail or be outside acceptable voltage limits the STS2 PDU transfers the input to the alternate source until the problem is rectified in the preferred source The unit can be set to automatically transfer the input back to the preferred source or allow the transfer to be done only manually Transfer Inhibit For a transfer to be completed between input sources the sources must meet certain parameters or the transfer cannot take place Uninterrupted transfer between sources is inhibited due to input source failure sources out of sync switch failure or the unit is in bypass mode Bypass The Static Transfer Switch 2 Power Distribution Unit can be manually bypassed to allow the power from a source to directly flow to the output load This bypass allows the unit s electronics to be ser viced without dangerous voltages bein
172. larms and faults that are generated The following mask types are available for each event Latch If a latch is enabled for the selected event that event remains active even if the originat ing event condition clears A latched event may only be cleared by pushing the RESET button Dial Out If the selected event 15 triggered the system automatically calls the specified tele phone numbers through the modem For example a page could be sent or an event could be sent to a external terminal via the modem See 12 0 Communication Interfaces for more informa tion on configuring communications options Event Log The selected event is date time stamped and recorded to the Event Log when the event is triggered Audible If the selected event is triggered an audible beeper or horn is sounded by the STS2 PDU The beeper continues while this event is active or latched or until the SILENCE but ton is pushed See Event Masks on page 100 for instructions on setting the mask type via the touch screen dis play See the 12 1 4 Setting Event Masks with the Terminal for instructions on configuration using the RS 232 port 82 Alarms and Faults 11 2 1 Event and History Logs The system tracks events through the Events Log and tracks significant events through the History Logs These logs allow you to quickly spot trends or diagnose problems that the unit may have had Both logs are written in nonvolatile memory
173. ld GSACWSY 38 LSNW YOLIANNOD O3N3do HOO LNOH43HLIAA 318ISS322v 6480 HonouHlL NOI TINVOINDININDD c C SS L SALON YO LOANNOS HAR JON MLNS MSO IS pz Sd Ndd ZSLS INV 2515 900 1 5 AJOVIYALNI 262 55 TOS LNOO OMA OIJNHdO HOOCI HLIA LINA JO H3ddri MAGIA LNOSJ AW10810 v v IS3O0 338 A34 NM 65 wings Installation Dra Figure 56 Control wiring for remote source selection option OREO LNOOZH LY LS TH NOSNIJWNIA NHOGHV3O 0801 9009 WAHL ONY HLM SONVCIHOOS 38 LSNIN ONIM TTY S ldo NOIL2313 8 JANOS 3LOINTH NOLLVOOTSO3 INYHOYIC NOLLO3NNO TOY LNO2 HOLIAS H33SNVHIOIIVIS OL H3ddH F O2 SIS JHL 38 LON SNAH SNISIAA TOLL H3MOd 31vHvd3s NAH a180 SHSHLO SNIHIM TOHI NOD TTY E 318v2 CS0NVHLS 3181x313 A OE SAAS SH 313 291 L4 008 HION313 18v2 INDINDXVIN Z DADE SLOVINOS AHG N3dO ATIVINHON QI30lAOHd H3INOLTSDS L SALON n d esls 2515 NOLLdO NOILOATES 3094 108 ALOWAY SNISIA TOY LNOO NOILOATAS 3ADYNOS ALOWSAY Jos 5 l SLON 33S A
174. le 12 Event messages ID Alarm Message Description Cause Action 1 51 SCR SHORT One or more of the SCRs for Source 1 have shorted and failed D F AE 2 S2 SCR SHORT One or more of the SCRs for Source 2 have shorted and failed D F AE 3 S1 SCR OPEN One or more of the SCRs for Source 1 is open D F AE 4 S2 SCR OPEN One or more of the SCRs for Source 2 is open D F AE 5 PRIMARY FAN FAIL 6 CONTROL MODULE FAIL Control logic module has failed D A E 7 PWR SPLY DC A FAIL Power supply DC bus A has failed D AE 8 PWR SPLY DC B FAIL Power supply DC bus B has failed D A E 9 PWR SPLY 51 AC FAIL Power supply Source 1 AC has failed D A E 10 PWR SPLY 52 AC FAIL Power supply Source 2 AC has failed D A E 11 PWR SPLY LOGIC FAIL A power supply module has failed D A E 12 OUT VOLT SENSE FAIL The output volt sense module failed D A E 13 51 VOLT SENSE FAIL The Source 1 volt sense module failed D A E 14 S2 VOLT SENSE FAIL The Source 2 volt sense module failed D A E 15 51 SCR SENSE FAIL The Source 1 SCR sense module failed D A E 16 S2 SCR SENSE FAIL The Source 2 SCR sense module failed D A E 17 51 CURR SENSE FAIL The Source 1 SCR current module failed D A E 18 S2 CURR SENSE FAIL The Source 2 SCR current module failed D A E 19 51 GATE DRIVE FAIL The Source 1 gate drive module failed D A E 20 S2 GATE DRIVE FAIL The Source 2 gate drive module failed D A E 21 INTERNAL COMM FAIL Internal CAN communications failed D A E 23 CB1 SHUNT TRIP FAIL CB1 shunt trip failed
175. le the load is energized All electrical components requiring normal maintenance are replaceable without de energizing the load as long as one source is available Solid state switching devices are packaged to allow safe repair of those devices without having to de energize the load All non automatic switches or circuit breakers are the plug in or draw out type to allow replacement without de energizing the load All other com ponents including transformers power cables and connections circuit breaker bases etc are replaceable from the front rear or top of the unit however this requires all power to be removed from the unit for safety All solid state power switching devices are rated to prevent hazardous device failure in power systems with available fault currents up to the defined limits as listed in 14 1 6 Electrical Requirements Factory Backup and Service Assistance Because improper installation can cause a system to fail a Liebert Global Services or a factory trained service technician should thoroughly inspect the unit to ensure it is properly installed and its operating parameters are properly configured Once the STS2 PDU is properly installed you as the on site operator can easily monitor the unit s operation utilizing the touch screen In the United States if you need assistance or have questions call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contiguous United States contact Liebert Global Services if avai
176. low the acceptable nominal voltage Check the input voltage from both sources This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard HISTORY LOG FROZEN History Log Frozen Both History Logs have been written and no more history logs can be written without clearing one of the logs Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a His
177. mands for the RS 232 port are shown in Table 13 Several other communications options are also available Those options are located a Communica tions compartment See Figures 47 and 48 for the location of the communications options Connections to the communication ports are made by wiring to terminal boards located in the Com munications compartment The communications options listed below reference the control wiring drawing for each option Internal modem optional the connection to this modem is through a standard RJ 11 port This port automatically dials the programmed telephone number when a designated alarm occurs Automatic dial attempts are made to the first phone number at periodic intervals for 30 minutes After that time auto dial attempts are made to the second phone number at periodic intervals for the next 30 minutes The process is repeated until a successful connection is made Upon successful connection the system transmits the status information and then hangs up Sys tem status and history information can be requested and date and time can be changed through the modem The modem commands are shown in Table 13 See Figure 53 for more information on the internal modem Network Interface Card NIC optional the NIC provides connectivity to any TCP IP based Ethernet network to allow the device to communicate with network management systems NMS via SNMP Events can be transmitted to the NMS to provide remote statu
178. message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard INPUT CONTACT 5 Input Contact Isolator 5 Occurrence of the indicated external event has been detected by Input Contact Isolator 5 of the Open Comms Digital Input option board Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The event with its assigned name was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard INPUT CONTACT 6 Input Contact Isolator 6 Occurrence of the indicated external event has been detected by Input Contact Isolator 6 of the Open Comms Digital Input option board Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The event with its assigned name was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configure
179. minal type CA and press RETURN on your keyboard 51 SCR SENSE FAIL Source 1 SCR Sense Module Failed The module contained on the snubber monitoring the SCRs for Source 1 has failed Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support This event was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the STS2 PDU system from a terminal type CA and press RETURN on your keyboard 125 Event Message Help Text 52 SCR SENSE FAIL Source 2 SCR Sense Module Failed The module contained on the snubber monitoring the SCRs for Source 2 has failed Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm Contact technical support in the United States call 1 800 LIE
180. municate with the STS2 PDU See Figure 52 for wiring details Data link requirements are Full Duplex Asynchronous RS 232 format Communications options are also discussed in 6 0 Options 87 Communication Interfaces 12 1 12 1 1 Using the RS 232 Port The RS 232 port is configured with a baud rate of 9600 with 8 Data Bits 1 Stop Bit No Parity and no hardware handshaking Connecting and Using a Terminal An RS 232 connection can be used to connect the STS2 PDU to either a terminal or a PC running terminal emulation software If you are unsure of the cable pin out see 14 2 10 Terminal Port Connections 1 Connect the terminal to the STS2 PDU by plugging the cable from the terminal into the RS 232 port This connection can be made at any time 2 After making the connection verify the communications link by pressing lt ENTER gt on the terminal keyboard The interface communications system responds as indicated below Repeating command gt Illegal command lt gt or HELP displays the RS 232 command set command or HELP lt command gt displays specific help for the command SVTP Control gt The SVTP Control gt prompt indicates that RS 232 communications are established If you receive no response or prompt verify that the connector is properly plugged into the port and the PC or terminal serial interface is working properly 9 Enter the desired commands as listed 1n Table 13 For add
181. nd the system must be restarted for the fault to clear A shorted SCR automatically trips open a source input switch CB1 or CB2 to pre vent transfers in the event of an SCR failure The SCR failure must be investigated and repaired before returning the switch to normal operation Both source input switches must be opened such as when the unit is placed in maintenance bypass for servicing before a shorted or open SCR alarm can be reset List of Messages Table 12 lists available event messages a definition of the event and the functions that are activated with the event by default The functions are indicated as follows D The indicated event initiates the Auto Dial sequence through the optional modem A The indicated event activates the Audible alarm F The indicated event triggers a Freeze of the History Log L The indicated event Latches A latched alarm remains displayed until the alarm condition has cleared and the RESET button has been pressed E By default all faults and alarms are written to the Event Log See 12 1 4 Setting Event Masks with the Terminal of these functions except Freeze can be reconfigured to trigger for each event using the Event Mask option See 11 1 Event Mask The Freeze function is hard coded and cannot be changed for a event 84 Alarms and Faults Tab
182. nfigured 51 SCR OPEN Source 1 SCR Open One or more SCRs on Source 1 is open Transferring between sources has been inhibited Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized distributor can provide technical support STS2 PDU output has been transferred to Source 2 Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the system status surrounding it have been written to a History Log if the History Logs were not already full This event was also written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured 121 Event Message Help Text 52 SCR OPEN Source 2 SCR Open One or more SCRs on Source 2 is open Transferring between sources has been inhibited STS2 PDU output has been transferred to Source 1 Contact technical support in the United States call 1 800 LIEBERT 1 800 543 2378 Outside the 48 contigu ous United States contact Liebert Global Services if available in your area For international areas not covered by Liebert Global Services the Liebert authorized dist
183. nnels to report events to an external device Up to ten 10 events can be programmed to each channel See 6 1 Programmable Relay Board for more information on the PRB If your STS2 PDU has the PRB option installed list the settings below for future reference If control power is lost in the STS2 PDU the settings are not saved Table 31 Programmable relay board settings record Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 145 Customer Settings Table 31 Programmable relay board settings record Channel 7 Channel 8 Channel 9 Channel 10 PRB Notes 17 2 Input Contact Isolator Settings The Input Contact Isolator board ICI provides an STS2 PDU module interface for up to eight exter nal user alarm or message inputs to be routed through the Static Transfer Switch 2 Power Distribu tion Unit s alarm network See 6 2 Input Contact Isolator Board for more information on the ICI If your STS2 PDU has the ICI option installed list the settings below for future reference If control power is lost in the STS2 PDU the settings are not saved Table32 Input contact isolator settings record Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 146 0 Liebert Keeping Business in Business POWE
184. ns 1 0 UNPACKING AND INSPECTIONS NOTE Q Read the entire manual before beginning to install the STS2 PDU Upon delivery of the STS2 PDU the installer should perform the following steps to ensure a high quality installation A high quality installation begins on the receiving dock The STS2 PDU and its packaging should be inspected when the unit is delivered If the packaging is not damaged unpack the unit and conduct ing internal inspection before beginning the installation process This section discusses inspecting and unpacking the STS2 PDU 1 4 External Inspections 1 While the STS2 PDU is still on the truck inspect the equipment and shipping container s for any signs of damage or mishandling Do not attempt to install the system if damage is apparent 2 Upon receipt and before unpacking inspect the shipping crate for damage or mishandling Check the Shock Watch indicator Ifthe indicator is red note on shipper s receipt and check for concealed damage Ifany damage as a result of shipping is observed file a damage claim with the shipper within 24 hours and contact your local Liebert representative or Liebert Global Services at 1 800 543 2378 to inform them of the damage claim and the condition of the equipment 3 Locate the bag containing the keys for the front access door The bag is attached to the cabinet 4 Compare the contents of the shipment with the bill of lading Report any missing items to the carrier and t
185. o Liebert Global Services immediately 5 Check the nameplate on the cabinets to verify that the model numbers correspond with the one specified Record the model numbers and serial numbers in the front of this installation manual A record of this information is necessary should servicing be required Ifunitis to be stored before installation it is recommended to store the unit in a dry environment with temperatures in the range of 40 to 176 F 40 to 80 Use original packing materials or other suitable means to keep the unit clean When opening the shipping crate use care not to puncture the container with sharp objects 1 2 Unloading and Handling CAUTION When moving the unit by forklift lift the unit from the rear so as to protect the front panel Do not exceed a 15 degree tilt with the forklift Also if you are moving the unit by forklift or pallet jack after it has been removed from the pallet be aware of the location of the casters and leveling feet if unit is so equipped so as not to damage them Most STS2 PDU models are contained in one cabinet The 800 amp units are contained in two cabi nets that shipped on two pallets and connected together in the field The unit can be moved by forklift or pallet jack However because the weight distribution in the cabi net 15 uneven use extreme care during handling and transporting See 1 2 2 Unit Preparation for instructions on removing the STS2 PDU from the pallet
186. olor Graphical Display unit is designed to provide all of the information required to configure and monitor the unit s operation The control logic performs automatic operations with minimal operator interface Each STS2 PDU unit is equipped with a color LCD touch screen The STS2 PDU can have optional communication ports installed See 6 0 Options and 12 0 Communication Interfaces for more information on communication options The RS 232 interface is used for configuration and status and event log monitoring 73 Theory of Operation 9 2 2 9 2 3 9 2 4 9 2 5 9 2 6 Firmware The operator interface enables you to monitor the STS2 PDU to configure setpoints for transfers monitor system parameters and access event and history logs The firmware is accessible through the LCD touch screen or the RS 232 interface The firmware includes View and set the preferred source View and configure setpoints View alarms faults and status The mimic graphical representation of the systems operation Menu driven monitoring and configuration Step by step instructions to assist you in the start up shut down and bypass operations Help on event messages Touch screen alarm reset and silence buttons Events in the system both faults and alarms are detected and displayed on the LCD See 11 0 Alarms and Faults for more information on events A set of event masks can be configured through the
187. on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 51 FAIL Source 1 Failure Source 1 has failed due to under voltage UV over voltage OV or from running over or under frequency OF UF This alarm is a companion to 51 UV 51 UV RMS 51 OV and 51 OF UF The load of the STS2 PDU has been transferred to Source 2 Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event has been written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 2 UV Source 2 Under Voltage fast detection The input voltage from Source 2 dropped below a set percentage of the nominal voltage as set in the Fast UV setpoint under the User Settings An S2 Fail alarm was also issued and source transfer has been inhibited The load of the STS2 PDU has been transferred to Source 1 Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event was written to the Event
188. ouch screen display See Configuring the Programmable Relay Board Settings on page 109 for default settings and instructions for reconfiguring the relays See Figures 47 and 48 for the location of the PRB See Figure 50 for wiring details Table 8 provides the PRB pinout Table 8 Programmable relay board pinout Channel Pin No 1 3 1 2 3 n B 4 6 4 5 6 TB1 A 7 9 7 8 9 Eu B 10 12 10 11 12 A 13 15 13 14 15 PS B 1 3 1 2 A 4 6 4 5 6 TB2 B 7 9 7 8 9 A 10 12 10 11 12 CHS B 13 15 13 14 15 A 1 3 1 2 B 4 6 4 5 6 TB3 A 7 9 7 8 9 B 10 12 10 11 12 A 13 15 13 14 15 TB4 cae B 1 3 1 2 3 Key N O Normally Open N C Normally Closed C Common Note Pin 16 not used on TB1 TB2 and TB3 6 2 Input Contact Isolator Board The Input Contact Isolator Board ICI provides an STS2 PDU module interface for up to eight exter nal user alarm or message inputs to be routed through the Static Transfer Switch 2 Power Distribu tion Unit s alarm network The eight contacts are normally open dry contacts When a contact closes an event 1s triggered The Input Contact Isolator options are configured through the Input Contact Isolator dialog box which is accessed from the Comm Option dialog box on the touch screen display You also can pro gram the alarm messages through this dialog box See Configuring the Input Contact Isolator Settings on page 108 for instructions on configuring the connections See Figures 47 and 48 fo
189. oughout the lifetime of the unit Table 29 Torque tightening Grade 5 Imperial Electrical Connections with Grade 8 8 Metric Belleville Washers in Ib N m in Ib N m Bolt Shaft Size pound inch Newton meter pound inch Newton meter 2 3 35 4 1 4 20 53 6 80 9 0 5 16 18 107 12 180 20 4 3 8 16 192 22 240 27 1 1 2 13 428 48 480 54 3 Table 30 Branch circuit breakers in Ib N m Current Rating pound inch Newton meter Up to 30 Amp 35 4 0 40 to 100 Amp 45 5 1 Testing the STS2 PDU The STS2 PDU includes comprehensive system alarms and fault detection to identify operational problems To increase the degree of confidence of proper system operation periodic transfer tests can be easily performed For instructions for changing the preferred source and switching sources see 10 2 Manual Transfer Preferred Source Selection Changing the Air Filter A standard furnace filter is installed behind the air intake in the front door The air intake allows air to circulate to cool the unit Replace the filter when it becomes dirty and impedes air flow The fre quency of changing or cleaning the filter depends on the location in which the unit is located The size of the filter is 1 x 25 x 25 in 254 x 635 x 635mm 144 Customer Settings 17 0 CUSTOMER SETTINGS 17 1 Programmable Relay Board Settings The optional programmable relay board PRB has eight cha
190. ower cables and connections circuit breaker bases etc are replaceable from the front rear or top of the unit but this requires all power to be removed from the unit for safety Although routine re torquing of the power connections is not required if maintenance of these connections is needed complete removal of power is required from the unit for safety reasons WARNING Lethal voltages exist inside the unit during normal operation Only qualified service personnel should perform maintenance on the Static Transfer Switch 2 Power Distribution Unit The unit is supplied by more than one power source The unit contains hazardous voltages if any of the input sources is on even when the unit is in bypass To isolate the unit turn off and lock out all input power sources Verify that all input power sources are de energized and locked out before making connections inside unit Circuit Breakers The STS2 PDU is equipped with two input plug in circuit breakers and five or six if CB3A is used molded case plug in non automatic circuit breakers The breakers are UL listed for use up to 600VAC and CE marked The plug in feature of the breaker includes an interlock which prevents the breaker from being unplugged without being in the OFF open position Mechanical interlocks are provided on the breakers to prevent improper maintenance bypassing of the solid state switch A bypass breaker cannot be closed unless the solid state switch is conne
191. ption from the menu bar The Mimic is used to verify the status of the unit during the bypass procedures In the unlikely event that the Color Graphical Display is not available open the front door and look through the slots in the control door If you can see green LEDs on the gate driver board through that slot then the unit is connected to the source referenced on the label below that slot See Figure 61 Figure 61 Gate board viewing slot locations p b Touch Screen Viewing Slot Viewing Slot for the Source 2 for the Source 1 Gate Drive Board Gate Drive Board Green LEDS on the Gate Driver Board are viewable through this slot indicate that xp the STS is on X XY CeCe Source 1 gt GREEN LEDS ON LEDS ON THE GATE DRIVER TE DRIVER BOARD ARE VIEW BOARD ARE VIEW ABLE THROUGH ABLE THROUGH THIS SLOT INDI THIS SLOT INDICATE CATE THAT THE STS THAT THE STS IS IS ON SOURCE 2 SOURCE 1 78 Operating Instructions 10 4 1 Bypass Procedures for Source 1 To bypass the switch for Source 1 NOTE If you wish to bypass the Source 1 static transfer switch but Source 2 is presently active you must first 9 99 OU wm Co transfer to Source 1 See 10 2 Manual Transfer Preferred Source Selection Verify Source 1 is supplying power via the Mimic Ifthe Color Graphical Display is not available check the gate d
192. r Graphical Display is not available check the gate driver board LEDs through the slots in the control panel See Figure 61 79 Operating Instructions 10 4 2 Bypass Procedures for Source 2 10 5 10 5 1 To bypass the switch for Source 2 NOTE If you wish to bypass the Source 2 static transfer switch but Source is presently active you must first transfer to Source 2 See 10 2 Manual Transfer Preferred Source Selection 1 Verify Source 2 is supplying power via the Mimic Ifthe Color Graphical Display is not available check the gate driver board LEDs through the slots in the control panel See Figure 61 Remove the interlock key from CB4 and place it in CB5 interlock Open the alternate source input breaker Rotate and remove the interlock key Insert the key in the CB5 bypass breaker interlock Rotate interlock keys in the CB5 bypass breaker interlock to retract the interlock Close bypass breaker CB5 Verify the breaker status on the Mimic screen 9 99 OU wm Co Open source input breaker CB2 10 Rotate the interlock key and remove it to lockout the breaker 11 Secure the key per your site s lockout tagout procedure 12 Open output breakers CB3 and CB3A if supplied to remove power from static switch To return to normal mode Insert the key in the CB2 breaker interlock Rotate the key to retract the interlock Close source input breaker CB2 Verify Source 2 and CB2 breaker
193. r the location of the ICI See Figure 51 for wiring details 14 Options 6 3 6 4 6 5 Comms Board The Comms Board provides a communication interface to Liebert SiteScan site monitoring product and or an external or internal modem SiteLink 12 or SiteLink 4 is required for SiteScan to communi cate with the STS2 PDU The Comms Board is equipped with an RS 422 communication port for communication to a Liebert SiteScan monitoring system using a 2 wire twisted pair for reliable communication up to 1000 meters 3281 feet Information available from the RS 422 port includes the present switch status informa tion all monitoring parameters and all active alarms The Comms Board is equipped with a modem interface for remote reporting of the present switch sta tus information alarm history information and the history of status screens that are triggered upon a major alarm event The monitoring system software also supports an auto dial feature that allows the system to automatically dial programmed phone numbers by way of the modem to report designated alarm conditions Programming the Comms Board is performed through the touch screen display See Comm Options on page 105 for details See Figures 47 and 48 for the location of the Comms Board See Figure 52 for information on the control wiring Internal Modem The Internal Modem is an option that must be ordered separately An external modem is available from third party sourc
194. rce is selectable by the user from the LCD panel or an optional Remote Source Selection The unselected source is referred to as the alternate source and carries the load if the pre ferred source should fail or if a manual transfer is initiated The unit uses Silicon Controlled Rectifiers SCRs connected in paralleled opposing pairs to function as an AC switch configuration Three pairs of SCRs connect the AC load to the selected preferred input source as long as the preferred source is available A second set of SCRs stands ready to trans fer the AC load to the alternate input source should the preferred source fail The switching action is a very fast break before make with less than a 1 4 cycle break in the AC waveform During static switch transfers and retransfers the conduction state of the SCRs is carefully moni tored and controlled to prevent a current path from one source to the other This technique prevents a faulted source from feeding into the other good source Source Transfer The STS2 PDU allows manually initiated transfers between the two sources providing the alternate source is within acceptable voltage limits and phase tolerances with the preferred source You begin a manual transfer by selecting the inactive source as the preferred source On a manual transfer the STS2 PDU transfers between the two sources with less than one 1 millisecond interruption of power to the load The transfer can only be completed when both sour
195. re Sidera ie Re RC a INED 90 engWnoo SAIHO 090 M mm n SMG Pa O SHONIH 440 1417 M SHOCOQ SNIMS SYOOd LNOWVJ 021 MAIA ON A3 St35IV3H8 LAdNI OL TANVd SS329V Q39NIH ob GX 8 WAV AHLN3 LINGNOD TOYLNOD dol M 85X vvcvddv AHIN3 S3MOd LNdNI dol Ez ISnvHX3 m 8t 6L X L m V3UV LINGNOD LAdLNO dOL 91 TANVd 3015 LNOHLIM NMOHS LINN dO v Vlad LINGNOS 1nalno 515 NOLLOSIHLISIG 3NITI GALNNOW 3dIS LHO9TH OSZ OMG 38 1 A8 MAIA INO LLOS oF OL XuB VL V3HV AHLN3 LINGNOS H3MOd INO LLOS aZ L X Gb AHIN3 1 338 V3Hv AYLNA LINGNOS JOYLNOS WOLLO Wollogd 1NOMHJ dAL YILT X90148 LON Od 0L 9 6 SILON 33S 8 310H ONLLNNOW Qaav3sH WAL 8 69 30v 1d38 3ZIS LINGNOS LINS OL HONNd S31V 1d SS300V 3 18V IIVAV 318V9 WOLLOS ANY dOL ZL GC X GZ X AZIS 318vSOdSIO H3L HIY 01 SHOOd 390 LI ASVd LINN HIV3NH3OND WOdd SAIOH ONILNNOW LIND OLNI GAGVSYHL 38 LSNW 517109 ONILNNOW w e XOUddV SI
196. red a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard 140 Event Message Help Text INPUT CONTACT 3 Input Contact Isolator 3 Occurrence of the indicated external event has been detected by Input Contact Isolator 3 of the Open Comms Digital Input option board Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The event with its assigned name was written to the Event Log if so configured The alarm has triggered a message to be sent to the modem if so configured If configured to be a latching alarm press RESET on the display If you are accessing the unit from a terminal type CA and press RETURN on your keyboard INPUT CONTACT 4 Input Contact Isolator 4 Occurrence of the indicated external event has been detected by Input Contact Isolator 4 of the Open Comms Digital Input option board Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm The event with its assigned name was written to the Event Log if so configured The alarm has triggered a
197. referred Source Selection to set the preferred source The Setpoints are based on values in relation to the nominal voltage required for the STS2 PDU UV refers to under voltage meaning the amount of voltage below the nominal voltage OV refers to over voltage or the amount of voltage over the nominal voltage Fast UV Setting if the voltage drops below this set percentage of the nominal voltage the STS2 PDU transfers from the current source to the opposite source Slow UV Setting if the voltage remains this set percentage below the nominal voltage for the period of the slow detection delay the STS2 PDU transfers from the current source to the opposite source Slow UV detection delay the number of cycles that the source must remain below the Slow UV Setting before the STS2 PDU transfers OV Setting if the voltage exceeds this set percentage of the nominal voltage for the period of the OV detection delay the STS2 PDU transfers from the current source to the opposite source OV Detection Delay the number of cycles that the source must remain above the OV Setting before the STS2 PDU transfers sources I PK Xfer Lockout if current from the source exceeds this threshold the STS2 PDU disables source transfers and has to be reset either manually or automatically The type of reset is config ured under the User Settings 101 Touch Screen Display To configure the setpoints for each source Select SOU
198. ributor can provide technical support Press SILENCE on the touch screen to turn off the audible alarm if so configured If you are accessing the STS2 PDU system from a terminal type SH and press RETURN on your keyboard to turn off the audible alarm This event and the

Liebert PDUTM User's Manual

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