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Liebert iTRUST UPS System User Manual E1-20020516-C-1.0 Liebert Cor poration ...
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Contents Chapter 1 Introduction ........................................ .................................................. .............. .............1 1.1 Basics .......................................... .................................................. ........................ .............1 1.2 Configurati on ..................... .......... ...
5.1.4 Alarm Buzzer................... .................................................. ..................................... 4 6 5.1.5 LCD and Menu Keys ......................................................... ..................................... 4 6 5.2 The displayed i nformation ......... .................................................. ... ...
Chapter 8 Parall el System ..... ................................................. ............................................... ........87 8.1 System Introduction . .................................................. .................................................. .. ...87 8.1.1 Basics ....................... .................................. ...
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Chapter 1 Intr oduction 1 Chapter 1 Introduction 1.1 Basics The Liebert iT rust U PS System is connected between the util ity source and the critical load t o provide uninter ruptible pow er to the load. The power fro m the UPS being free of volt age and freq uency variati on and disturban ces from utility . The UPS has an output isolation transfor ...
Chapter 1 Introduc tion 2 1.3 Operation Theory The UPS circuit diagr am is shown in Figure 1-2. V N U TR2 BN N2 A2 W BP C1 B1 C1 B1 A1 DZN6 Q5 AC3 FU4 KM1 FU6 Res2 TR1 L1 AC2 Q2 + DC1 KA1 FU2 Res1 Q1 FU5 Q3BP FU1 AC4 FU3 Res3 KM2 Figure 1-2 Mai n circuit of UPS The utility source is in put at Q1 and fl ows through the fuse, t he trans former , indu ...
Chapter 1 Intr oduction 3 The double DSP and MCU form the full digi tal control sy stem to realiz e the powerful function of the UPS. The swi tching between th e operation mo des is realized by controllin g the byp ass st atic switc h and the inverte r st atic switch. A dvanced ba ttery management prol ongs battery lif e. Multi-communication ports ...
Chapter 1 Introduc tion 4 Front view 1:Fan 2:rectifier 3: softst art relays 4:contactor 5: two auxilia ry power supp ly boards UL W2L61M5 6: D level lightn ing protection devi ce SPD12Z 7: Hall curr ent sensor 8:battery input ter minals 9:circuit br eaker Q3BP for maintenance 10:rectifier input circu it breaker Q1 1 1:bypass input circuit breaker Q ...
Chapter 1 Intr oduction 5 - ~ ~ - Mains output Bypass Figure 1- 5 Norma l mode 2. Battery Mode When the utility fails, the UPS sy stem will switch to battery mode w ithout interruption and the batter y will power t he load thro ugh the inverter . The UPS can retur n to normal m ode automati cally when the utility return s to normal , as shown in Fi ...
Chapter 1 Introduc tion 6 4. ECO Mode If the load has n o requirement for power quality but has a hi gh requirement for efficiency , th en the UPS c an be set in ECO mode . In this mode, the system wi ll power the load thro ugh the stati c bypass switch and the rectifier will charge the batteries. When the bypass sourc e fails or out of normal rang ...
Chapter 1 Intr oduction 7 6. United Power Mode When the utility is not avail able and the ca pacity of the gen erator set is inadequate to support the load, the batt ery will power t he load toget her with the gener ator automatically . The operating time under this mode should not e xceed the aut onomy time of the batteries, as shown in Figu re 1- ...
Chapter 1 Introduc tion 8 ~ Mains - -~ output Bypass Fig 1-12 1.6 Basic Functions Battery Management F unction - Th e UPS has ad vanced battery manage ment functions incl uding battery faul t detection and backup time for ecast. Soft S tart F unction - Complete delay soft st art function can reduce th e surge to th e UPS unit and utility source. Al ...
Chapter 1 Intr oduction 9 Parameters of Liebert iT rust UPS are given in T abl e1-1 Capacity 20kVA 30kVA 40kVA 60kVA Model UL33-02 00L UL33-0300L UL33-0400L UL33-0600L Input Volt age 380/400/ 415V(lin e-to-line vo ltage) AC Power I nput Three-phase t hree-wire Power Factor >0.99 Harmoni c Current <4%(Vo ltage dist ortion low er than 2% at rat ...
Chapter 1 Introduc tion 10 Capacity 20kVA 30kVA 40kVA 60kVA Model UL33-0200L UL33-0300L UL33-0400L UL33- 0600L Overload capa bility(inverter) 105% < load 125% , transfer to by pass mode aft er 10 ± 0.1min; 125% < load 1 50% , transf er to bypass m ode after 1 m inute; When load > 150% , transfer to bypass mode after 200ms Overload capa bi ...
Chapter 1 Intr oduction 11 Capacity 20kVA 30kVA 40kVA 60kVA Model UL33-02 00L UL33-0300L UL33-0400L UL33-0600L Insulation Resist ance >2M(500VDC) Dielectric S trength (input to eart h, output to eart h)2820Vdc, l eakage curre nt lower than 3.5m A, 1min without a rc Surge Immuni ty Satisfy the cl ass IV requireme nts specified b y IEC60664-1, the ...
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Chapter 2 Cabinet Install ation 13 Chapter 2 Cabinet Installation 2.1 Environmental Conditions Operating T emperature : 0 ~ 40 ° C S torage T emperature: -40 ~ 70 ° C(with no battery) -20 ~ 55 ° C(with battery) Relative Humidity:5% ~95 %, no c ondensation Cooling m ethod : Fan co oling Elevation:1500 m Maximum T ilt : 5 d ...
Chapter 2 Cabine t Installation 14 Figure 2-1 4 fixin g holes 4 screws for levelling feet Figure 2-2 External Dimensi ons of 40/60kV A UPS are shown in Fig. 2- 3 and its in stallat ion position is shown in Fig. 2- 4. ...
Chapter 2 Cabinet Install ation 15 Figure 2-3 40/60kV A UPS Outline Dim ension 4 fi xin g holes 4 s cre w s fo r le ve lling fe et Figure 2-4 40/60kV A UPS Fix ing Holes ...
Chapter 2 Cabine t Installation 16 2.4 Transportation 1. Hoisting the UPS Prepare fo ur cables of length 1.5 m and the weight beari ng cap acity of each cable of 1.5 tons. The UPS has four liftin g rings and shoul d be inst alled at the t op of the UPS 2. Transport atio with Forklift The UPS ca n be rai sed by f orklif t in four directio ns – fro ...
Chapter 2 Cabinet Install ation 17 2. Fixed pos ition without a base In earthquake prone areas, pla ce UPS on a conduit as shown in Figure 2-6. 1. At the edge of the conduit, drill hol es for fixing exp ansion bolt s 2. Hoist the cabinet a t least 250 mm to remo ve the four leveling bolts. T ake off the plasti c cove r of the installatio n holes o ...
Chapter 2 Cabine t Installation 18 Figure 2-7 Inst all the UPS on a support ra ck 1. Finishe d state 2. Concrete floor 3. Nut 4. Spring washer 5. Flat washer 6. Suppor ting f rame 2.6 Cable Access The UPS has variou s methods of c able access. One is bottom access w here the cables are r outed in conduit fro m the bott om of the UP S. This i s show ...
Chapter 2 Cabinet Install ation 19 Input cable Battery cable Output ca ble Signal cable Fig. 2- 9 UPS top cable output 2.7 Ventilati on The cooling air comes int o the UPS from the bot tom and the fan circulate s the cool air inside th e UPS. T he air i s expelled out of the UPS fro m the back. T able 2-3 shows the rel ationship betw een the power ...
Chapter 2 Cabine t Installation 20 2.8 Layout of Cabinet Besides the UPS cabin et, there are a lso battery cabinet s, input/outp ut distribution cabinet and cabinet f or bypass transformer . All these cabi nets should be laid out correctly . The lay out of battery cabi net and UPS cabinet i s shown bel ow . 1. One UPS cabinet and on e battery cabin ...
Chapter 2 Cabinet Install ation 21 Battery cabinet 1 Battery cabinet 2 UPS cabin et Fig. 2-12 Lay out 2 ...
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Chapter 3 Ele ctrical Assembly 23 Chapter 3 Electrical Assembly This chapter intr oduces the co nnection meth ods of the power a nd signal c ables. 3.1 Selection of cables 3.1.1 Current carrying capacity of cables The current carrying cap acity c an be selected accor ding to th e volta ge drop an d permissible temperature i ncrease. T able 3-1 Curr ...
Chapter 3 Ele ctrical Assemble 24 protective eart h cable and lightning protecti on earth cable, should be 0. 5 times of phase cable. The relationship betwee n the current and cross-sectional area is shown in T able 3- 2. T able3-2 Re commend ed cross sect ional area of cables 20kV A 30kV A 40kV A 60kV A Name Current (A) Cable (mm 2 ) Current (A) C ...
Chapter 3 Ele ctrical Assembly 25 Battery cables UPS input input N UPS output output N Fig. 3-1 20 /30kV A UPS bottom cable outp ut Battery cables Rectifier input By pass input Bypass N UPS output Output N Fig. 3-2 40 /60kV A UPS cable co nnection at bottom 2. Cable rout ing 1. Bottom entr y configuratio n – the cabl es are input a nd output fro ...
Chapter 3 Ele ctrical Assemble 26 3. Cable connection Note All the switches should be switched of f during ca ble connecti on. 1. Feed ca bles Feed cables accordi ng to the cable e ntry mode, with ref erence to Figur es 2-7, 2-8, 3-1, 3-2 2. Assembling cable lugs to cables First strip t he insulati on layer 20 mm from the end. T hen insert the ...
Chapter 3 Ele ctrical Assembly 27 Input power cable Parallel power cable Wire terminal Fig. 3-3 Pow er cable con nection of One branch uti lity sour ce 5. Connect th e Load to the U, V , W termina ls of UPS outp ut breaker Q5. 6.Connection of battery cables The positive and neg ative cables of batter ies are connecte d to the Positive an d Negative ...
Chapter 3 Ele ctrical Assemble 28 4. Earthing Method The UPS rectifier s ource has no neutr al cable. Th e bypa ss and outpu t source hav e neutral cables and the in put and output neutral cabl es are short circuit ed. The lightning prote ction earth PE and the protection eart h of the cabinet are connected as shown in Figure 3-5. The user can deci ...
Chapter 3 Ele ctrical Assembly 29 Fig. 3 -6 Layout of s ignal cables of 20/30/40 /60kV A UPS 2. Connection method 1.Parallel conn ection method Open the door of th e UPS to see a circuit board UL W2L61M3. On the b oard, 15- pin connectors P1 and P2 are used to connect the p arallel logic cables. 9-pin connectors P3 and P4 a re used for connecting t ...
Chapter 3 Ele ctrical Assemble 30 2.Connectio n of serial connection cabl es The monitoring board UL W2L61U2 is shown in Figure 3-8, where the locat ions of RS232, RS485 and in put and output co ntact s are marked. The user can connect the cables with referen ce to this board. communication ca ble RS485- communication ca ble RS485+ D . C . A f o r ...
Chapter 3 Ele ctrical Assembly 31 2) Connection of modem MODEM or SNMP SNMP cables Monitoring board Monitoring board SNMP cabl es MODEM or SNMP 20/30kVA F ront vie w when Front door is open ed 40/60kVA Fro nt view when right door is opened Fig. 3-10 Instal lation of M ODEM or SNM P 1. Figure 3-10 shows the location of Modem and S NMP card. Before i ...
Chapter 3 Ele ctrical Assemble 32 3 ） Connection of SNM P C ard Installation of SNMP card Unpack the SNMP card and place it i n the iron case s hown in Figure 3- 10 Connect the cabl es On the monitoring board, there i s a jack J22 wi th a cable to pl ug in directly to the SNMP card, after the SNMP Card is installed. Please do not remove thi s cab ...
Chapter 3 Ele ctrical Assembly 33 Tabl e 3-4 D efi niti ons of input /out put c ontac ts Connector Name of cont acts Board name input/output Norma lly close d contac ts for battery low alar m BLV-C output Central con tacts for ba ttery lo w alarm BLV-S output Norma lly open contacts for battery lo w alarm BLV-O ou tput Norma lly closed contacts f o ...
Chapter 3 Ele ctrical Assemble 34 Connector Name of contacts Board name input/output Central co ntacts for over load OVR-S o utput Normally open co ntacts for overload OVR-O output Normally clos ed contacts for generato r mode GEN-C output Central cont acts for gene rator mode GEN-S output J12 J13 J14 Normally open co ntacts for generato r mode GEN ...
Chapter 3 Ele ctrical Assembly 35 4. Battery Temper ature detection cab le When the user select t he temperature compensation t echnology , he should sele ct the TMP12Z sensor th at is install ed inside the batt ery cabinet or ba ttery room. Use a cable to send a tempe rature sign al to J15 on the m onitoring boar d. Shield cabl e is recommended to ...
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Chapter 4 Commis sioning of UPS 37 Chapter 4 Commissioning of UPS 4.1 Startup Procedure 4.1.1 Explanation of Circuit Breakers From the layou t of Figure 1- 3 and Figure 1- 4, the st artup of UPS has connections with the following circuit breakers Q1 : Connect s rectifier to U tility source Q2 : Connect s byp ass to Uti lity source Q5 : Connect s UP ...
Chapter 4 Commission ing of UPS 38 S tep 5 : Aft er the UPS tran sfers from byp ass to in verter , the byp ass indicator turns off, an d the inverter and the load in dicator turns on. The transfer may fai l if the phase rot ation of byp ass and inverter outp ut are dif ferent. During operati on, if the AC power recovers af ter failure , the rectifi ...
Chapter 4 Commis sioning of UPS 39 2001-1 1-08 UL33-0400L 12:50:30 Inv. On Units 2/4 ID: 1 Input Brea ker Closed 11 £ - 08 12: 09 UPS in Battery Mode Battery low 11 £ - 08 12:09 11 £ - 08 12:28 11 £ - 08 12:28 11 £ - 08 12:50 Records Out System Local Settings Byp. Breaker Close d Mains Volt. Abnormal Battery Chinese Chinese English Com. Adress ...
Chapter 4 Commission ing of UPS 40 2001- 1 1-08 UL33-0400L 12:50:30 Inv. On Units 2/4 ID: 1 Input Breaker Closed 11 £ - 08 12 :09 UPS in Batter y Mo de Battery low 11 £ - 08 12:09 11 £ - 08 12:28 11 £ - 08 12:28 11 £ - 08 12:50 Records Out System Local Settings Byp. Breaker Clo sed Mains V olt. Abnormal Battery m ÊÖ ¶¯ µç ³Ø ×Ô ¼ì ...
Chapter 4 Commis sioning of UPS 41 4.3.1 Check the function of the display panel Press the button “i nverter shutd own” for 2 se conds and check t hat the inverter stop s. 2001-1 1-08 UL33-040 0L 12:50:3 0 Äæ ±ä ¿ª Æô ² ¢ »ú ̨ Êý 2/4 Ïà µç ѹ V µç Á ÷ A Ƶ Â Ê Hz A(B) B(C) C(A) 221 11 . 8 12.3 50.2 50.1 50 .1 0.99 ...
Chapter 4 Commissio ning of UPS 42 1. Switch from normal m ode to battery mode. Sw itch of f Q1 to enter batt ery mode and after a few seconds, switch on Q1 again t o return t o normal mode 2. Press “inverter shu tdown” button to swit ch to byp ass mode. A fter a sh ort while, start inverter ag ain to return to normal mode. 3. In bypass mode, s ...
Chapter 5 Operation of Display Panel 43 Chapter 5 Operation of Display Panel 5.1 Display panel 5.1.1 Layout of Display Panel The display p anel of the UPS is show n in Figure 5 -1. Start Shutdo wn Faullt clear Mute 1:LCD 2:Rectifier indicator 3:Batter y operation indicat or 4:Bypass sourc e indica tor 5:Inverter operati on indicator 6:UPS output in ...
Chapter 5 Operatio n of Displa y Panel 44 2001-1 1-08 UL33-040 0L 12:50:3 0 Äæ ±ä ¿ª Æô ² ¢ »ú ̨ Êý 2/4 Ïà µç ѹ V µç Á ÷ A Ƶ Â Ê Hz A(B) B(C) C(A) 221 11 . 8 12.3 50.2 50.1 50 .1 0.99 0.9 9 Êä Èë ¿Õ ¿ª ±Õ ºÏ 11£ - 08 12:09 Êä ³ö ¿Õ ¿ª ±Õ ºÏ Ö÷ · Äæ ±ä ¹© µç µç ³Ø ¾ù ³ä 1 ...
Chapter 5 Operation of Display Panel 45 Flashing Green – End of batt ery discharge Red – Battery Abnormal (overtemp, low battery , contactor fused ) Off – Bat tery Normal bu t not in operation Inverter LED Green – Inver ter powers the load norm ally Flashing Green - In verter st andby Red – Inverter Fails Off – Inverter Normal but not i ...
Chapter 5 Operatio n of Displa y Panel 46 5.1. 4 Ala rm B uzze r If there is no alarm sound , it means that eit her the alarm is muted or the system is not in a fault conditio n There are three types of sound from the bu zzer 1.Single cl ick - T he sound can be heard when any button is pr essed 2. 1 sec click with a 2 secs interval - w hen system h ...
Chapter 5 Operation of Display Panel 47 2001-1 1-08 UL33-040 0L 12:30:20 Inv . O n U nits: ID 1 Vphase Iphase A Freq.Hz A(B) B(C) C(A) 221 11 . 8 12. 3 12. 5 50.2 50.1 50. 1 0.99 0.99 0.99 Input Breaker Close 11 £ - 08 12:09 Out pu t Br e ake r Open UP S in N orm al Mod e Batt. Boost Chargi ng 11£ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 11 ? ...
Chapter 5 Operatio n of Displa y Panel 48 5.2 The displayed information 5.2.1 Opening display At power up of th e UPS, the op ening display i s shown in Fi gure 5-5. Fig. 5-5 Op ening Displ ay 5.2. 2 Main M enu Dis pla y After the UPS is pow er up and self test is completed, th e main menu will be displayed, as shown in Figure 5-6 . Use the arrow-u ...
Chapter 5 Operation of Display Panel 49 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *---------------- --------------------- ------------------- ----------* *---------------- Emerson Networ k Power--------------- --* *---------------- --------------------- ------------------- ----------* * UPS versi on£ º 1.00 * * UPS mod ...
Chapter 5 Operatio n of Displa y Panel 50 2001-1 1-08 UL33-0400L 12:30: 20 Inv. On Units: ID 1 Vphase Ipha se A Freq.Hz A(B) B(C) C(A) 221 11 . 8 12.3 12.5 50.2 50.1 50 .1 0.99 0.99 0. 99 Input Brea ker Clos e 11 £ - 08 12:09 Output Breake r Open UPS in Normal Mode Batt. Boost Chargin g 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 ...
Chapter 5 Operation of Display Panel 51 AC Output - di splays three phase line-neutral vol tage, li ne current, fr equency , power factor and line-line voltage , as shown in Fig ure 5-1 1 2001-1 1-08 UL33-0400L 12:3 0:20 Inv. On Units: ID 1 Vphase Iphase A Freq.Hz A(B) B(C) C(A) 221 11 . 8 12.3 12.5 50.2 50.1 50.1 0.99 0.99 0.99 Input Breaker Close ...
Chapter 5 Operatio n of Displa y Panel 52 2001-1 1-08 UL33-0400L 12: 30:20 Inv. On Units: ID 1 Batt. Volt V 423 Batt. Curr. A 4.56 Batt. T emp . C 23.2 Batt. Boost Chargin g Input Breaker Close 11 £ - 08 12:09 Output B reaker Op en UPS in N ormal Mode Batt. Boost Cha rging 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 Mains B ...
Chapter 5 Operation of Display Panel 53 2001-1 1-08 UL33-0400L 12:30:20 Inv. On Units: ID 1 Batt. Volt V 423 Batt. C urr. A 4 .56 Batt. T emp. C 23.2 Backup Time Sec 176 Input Breaker Close 11 £ - 08 12:09 Mains Volt. Abnormal UPS in Battery Mode 11 £ - 08 12:09 11 £ - 08 12:25 Mains Bypass Output Local System Battery Byp. Breaker Close 11 £ - ...
Chapter 5 Operatio n of Displa y Panel 54 5.3 Function Setup In the Menu Display Window select “ Function Setup”, pressi ng F1 key to switch the present window to Measu ring and Setup Window and modify each settable items. Pressing F3 key can scroll through al l the sett able items ( total number of the settabl e items is 12). Pres sing F4 to m ...
Chapter 5 Operation of Display Panel 55 5.3.2 Address setup According to the infor mation displayed on F ig.5-22, sele ct the “Equipment Ad dress Setup” and pressing F3(U P) or F2(DOWN) to modify the address of th e equipm ent, and then pressi ng F4 to confirm and e xit. If you do not wa nt to modify the l anguage, pressing F1(ESC) to e scape. ...
Chapter 5 Operatio n of Displa y Panel 56 2001-1 1-08 UL33-0400L 12:50:30 Inv. On Units 2/4 ID: 1 Input Bre aker Close d 11 £ - 08 12:09 UPS in Battery Mode Battery low 11 £ - 08 12:09 11 £ - 08 12:28 11 £ - 08 12:28 11 £ - 08 12:50 Records Out System Local Settings Byp. Breaker C losed Mains Volt. Abnormal Battery Chinese Chines e English Com ...
Chapter 5 Operation of Display Panel 57 After escaping th e modification st ate, the date displayed by the UPS basic information window has b ecome a new dat e. Then use F2 (move lef t) and F3 (move right) keys to mov e the cursor to the locatio n of “second”, as shown i n Fig. 5- 27. 2001-1 1-08 UL33-040 0L 12:50:30 Inv. On Units 2/4 ID: 1 Inp ...
Chapter 5 Operatio n of Displa y Panel 58 2001-1 1-08 UL33-0400L 12:50:30 Inv. On Units 2/4 ID: 1 Input Bre aker Closed 11£ - 08 12:09 UPS in Battery Mode Battery low 11 £ - 08 12:09 11 £ - 08 12:28 11 £ - 08 12:28 11 £ - 08 12:50 Records Out System Local Settings Byp. B reaker Closed Mains Volt. Abnormal Battery Chinese Chinese English Com. A ...
Chapter 5 Operation of Display Panel 59 2001-1 1-08 UL33- 0400L 12:50:30 Inv. On Units 2/4 ID: 1 Input Breaker Closed 11 £ - 08 12:09 UPS in Battery Mode Battery low 11 £ - 08 12:09 11 £ - 08 12:28 11 £ - 08 12:28 11 £ - 08 12:50 Records Out System Local Settings Byp. Breaker Closed Mains Volt. Abnormal Batter y m ÊÖ ¶¯ µç ³Ø ×Ô ¼ì ...
Chapter 5 Operatio n of Displa y Panel 60 2001-1 1-08 UL33-0400L 12:50:30 Inv. On Units 2/4 ID: 1 Input Bre aker Closed 11£ - 08 12:09 UPS in Battery Mode Battery low 11 £ - 08 12:09 11 £ - 08 12:28 11 £ - 08 12:28 11 £ - 08 12:50 Records Out System Local Settings Byp. B reaker Closed Mains Volt. Abnormal Battery ok ÊÖ ¶¯ µç ³Ø ×Ô ¼ ...
Chapter 5 Operation of Display Panel 61 2001-1 1-08 UL33-040 0L 12:50:30 Inv. On Units 2/4 ID: 1 Input Breaker Closed 11£ - 08 12:09 UPS in Battery Mode Battery low 11 £ - 08 12:09 11 £ - 08 12:28 11 £ - 08 12:28 11 £ - 08 12:50 Records Out System Local Settings Byp. Breaker Closed Mains Volt. Abnorm al Battery m ÊÖ ¶¯ µç ³Ø ×Ô ¼ì ...
Chapter 5 Operatio n of Displa y Panel 62 2001-1 1-08 UL33-0400L 12:50:30 Inv. On U nits 2/4 ID: 1 Input Breaker Closed 11 £ - 08 12:09 UPS in Batter y Mode Battery low 11 £ - 08 12:09 11 £ - 08 12:28 11 £ - 08 12:28 11 £ - 08 12:50 Records Out System Local Settings Byp. Breaker Closed Mains Volt. Abnormal Battery m ÊÖ ¶¯ µç ³Ø ×Ô ¼ ...
Chapter 5 Operation of Display Panel 63 Move the cursor t o the correspondin g bit to modify th e number and con firm, then the 0755 87 87001 ca n be set, fi ll in th e “*” char acter in o ther blank bi ts, as shown in Fig.5-39. Pr essing F1(ESC ) to exit the setu p of the fault call- back number 1. Oth er fault call-back n umbers will be set i ...
Chapter 5 Operatio n of Displa y Panel 64 2001-1 1-08 UL33-0400L 12:30:20 Inv. On Units: ID 1 A(B) B(C) C(A) 221 11 . 8 12. 3 12.5 50.2 50.1 50.1 1.41 1. 40 1.41 Input Breaker Close 11 £ - 08 12:09 Output Breaker Open UPS i n Norm al Mod e Batt. Boost Charging 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 Mains Bypass Local S ...
Chapter 5 Operation of Display Panel 65 2001-1 1-08 UL33-0400L 12:30:20 Inv. On Units: ID 1 A(B) B(C) C(A ) 221 11 . 8 12.3 12.5 50.2 50.1 50.1 1.41 1.40 1.41 Input Breake r Close 11 £ - 08 12:09 Output Breaker Open UPS in Normal Mode Batt. Boost Charging 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 Mains Bypass Local System ...
Chapter 5 Operatio n of Displa y Panel 66 2001-1 1-08 UL33-0400L 12:30:20 Inv. On Un its: ID 1 A(B) B(C) C(A) 221 11 . 8 12.3 12.5 50.2 50.1 50.1 1.41 1.40 1.41 Input Breaker Clos e 11 £ - 08 12:09 Output Breaker Open UPS in Normal Mode Batt. Boost Charging 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 11 £ - 08 12:09 Mains Bypass Local Syst ...
Chapter 5 Operation of Display Panel 67 Table 5-3 UPS Events No. Event Reason 1 Start throu gh ke ypad The user pr esses down the inverter start k ey, the s ystem will start inverter 2 Start t hrough k eypad failed The user presses do wn the inver ter start ke y, the s ystem can’t start inve rter 3 Shutdown through keypad The user presses d own t ...
Chapter 5 Operatio n of Displa y Panel 68 Table 5-4 UPS states No. State Reason 1 Bypass mode UPS bypass powe rs the load 2 Normal mode The UPS po wers the load thro ugh recti fier and inverter 3 Battery mode The UPS po wers the load thro ugh batter y 4 United po wer mode The UPS po wers the load thro ugh recti fier and battery together 5 Bypass an ...
Chapter 6 Mainte nance 69 Chapter 6 Maintenance This chapter mainly introdu ces the daily using and maintenance o f UPS and t he operation i nside the UPS is n ot covered here . If maintenan ce should be done to the UPS, Q1, Q2 and QF1 should be disco nnected, and then wait for 8 minutes until there is no hi gh voltag e inside the U PS. Don’t tou ...
Chapter 6 Maintena nce 70 6.1. 2 Shut dow n 1. Shutdow n in norm al mode When the UPS requir es periodical checking or nee ds to stop oper ation, the shutdown process in n ormal mode is given below: 1.Press the “i nverter shut down” button on the UPS pa nel for longer t han two seconds, shutdown the inverter and t he system transfers to byp ass ...
Chapter 6 Mainte nance 71 5. Shutdo wn in United po wering mode The procedures of shutdown in United powering mode is the same with those of shutdow n in normal mode. 6.1.3 Transferring between o peration modes The UPS can transfer among vari ous operation mo des after i t is in normal mode. The followin g operations can b e done if the i nput powe ...
Chapter 6 Maintena nce 72 begins to p ower the load. Press the “i nverter st art” if the user want s the inver ter to operate. 6.1. 5 Mute The buzzer sou nds when the UPS has faults . The user can press the “Mute” button for two seconds to sil ence the sound. If the user press t he key again, the so und can be heard agai n. When the UPS i s ...
Chapter 6 Mainte nance 73 6.1.7 Monitoring system 1. Background co mmunication The monito ring syste m of this UPS system provides one RS232 port an d one RS485 port ( the definiti on of the p ort is in Sectio n 3.4.3), se veral input an d output dry cont acts (refer t o Section 3.4.4) . The user can intr oduce the signal to t he nearest manag emen ...
Chapter 6 Maintena nce 74 2. Monitoring single UP S UPS support the com munication modes t hrough RS232, R S485, MODEM and SNMP card. These communication modes can’t be used by one same UPS. The single UPS monit oring th eory is show n in Fig.6-1. Fig. 6-1 Monitoring of Single UPS 3. Monitoring paralle l operation syst em The communicatio n of p ...
Chapter 6 Mainte nance 75 6.1.8 Input and output contacts The functions of input an d output cont acts are introduc ed in Chapter 3. 1. Output dry contact This UPS provid es 8 kinds of dry cont acts ou tput and the defi nition is give n below: Battery low: This signal i s active when the pre-alarm of U PS battery occur s; Battery mode: This si gnal ...
Chapter 6 Maintena nce 76 Emergent stop: If the u ser is in short dis tance, short co nnecting the “U CTRH” and “UCTRL” can make the UPS shut down. Relay dr y contac ts shoul d be used here. Note: The user should be careful when using this functi on. The power will be interru pted completely once th e emergency shut down happen s. When ...
Chapter 6 Mainte nance 77 5 ） Check whether all the fans operate normally . The life of the fan in continuous operating state is 20000—4 0000 hours an d will be sho rtened if th e fan operate s in high temper ature envir onment. 2. Weekly checking 1 ） Measure an d record the b attery ch arging vol tage; 2 ） Measure an d record the b attery ...
Chapter 6 Maintena nce 78 Cable and connectors: Che ck whether the cable is aged, damaged or burn t; check whether the con nector of the PCB is secure; PCB: Check the cleaness a nd completeness 7 ） Use vacuum pump to clear the dirt on the surface; 8 ） Switch on the UPS again and let th e inverter powers the load accordin g to the start- up proc ...
Chapter 6 Mainte nance 79 3 ） Keep the ambient t emperature between 1 5 ℃ and 25 ℃ . 4 ） T o prevent small current disc harge, continuo us battery discharge ti me exceeding 24 hours is proh ibited. 5 ） Please cont act the distributor if the battery ba ckup time is greatly shortened, or the UPS LCD displays “battery needs to be replaced? ...
Chapter 6 Maintena nce 80 system will not start battery self t est if the last self-test inter val satisfi es the “batter y discharging interval ”, but does not satisfy t he manual s elf test condi tion, and th e system wi ll wait until the conditions a re satisfied. 6.2.3 Shutdown maintenance For large cap acity UPS, peri odical checking is re ...
Chapter 7 Troublesho oting 81 Chapter 7 Troubleshooting 7.1 UPS system troubleshooting The followi ng informatio n are only for ser vice engineers who are traine d in the repair and tr oubleshooti ng of the UPS. Th e maintenance engineer must be familiar with the UPS because the U PS is rather compli cated. 7.1.1 Basics Generally , the UPS faults h ...
Chapter 7 Trouble shooting 82 Rectifier indi cator: If it t urns red, that mean s the rectif ier fails; Battery indicator : If it turns re d, that means t he battery is abnormal; Inverter indicat or: If it turn s red, that m eans the i nverter fails; Load indicator: I f it turns r ed, that means overl oad occurs; Alarm indicat or: If it turns red, ...
Chapter 7 Troublesho oting 83 7.4 LCD indicati on for fau lt informa tion The LCD on the UPS displays the fau lt information of T able 7-1 and T able 7-2. The user should locate and ana lyze the fault accordi ng to the table s and feedback the fault informa tion to our ser vice engineer s. Table 7-1 Fault information No.1 Fault descripti on Reason ...
Chapter 7 Trouble shooting 84 No.1 Fault d escription Re ason Actions to be taken 15 By pas s unsynchroniz ed Bypass v oltage or frequenc y is out of normal ra nge and inve rter output is not synchr onized with the bypass output. Check the bypass voltage and frequenc y 16 Bypass ratings exc eed the norma l range Bypass vol tage or frequenc y exceed ...
Chapter 7 Troublesho oting 85 No.1 Fault descripti on Reason Actions to be taken 30 Rectifier fan fails Rectifier fan is abn ormal Replace the fan in time and the UPS can recover automa tically 31 Rectifier contactor abnormal Rectifier co ntactor can’t b e closed or opened n ormall y Notify the se rvice de pt for re pairing 32 Auxiliary co ntacto ...
Chapter 7 Trouble shooting 86 No.1 Fault d escription Re ason Actions to be taken 49 Transfer to bypass due to surge The system trans fers to b ypass mode due to surge cu rrent and back to inverter mode after load is decrease d Avoid appl ying load abruptl y and the UPS can reco ver automatically 50 User’s w rong operation Wrong operati on such a ...
Chapter 8 Parallel System 87 Chapter 8 Parallel System 8.1 System Introduction 8.1.1 Basics The Liebert UPS use s intelligent and r eliable decentral ized parall el operati on technology . A maximum of four single uni ts of the s ame capacity can o perate in parallel . The UPS system has two p arallelin g modes: Paralleling for r edundancy ...
C hapter 8 Par allel System 88 UPS in the system , and oper ation conditi on of each u nit can be moni tored throug h the remote computer . 8.1.2 Theory of Operation 1. Parallel Sy stem consi sting of t wo units This is the most frequently used config uration and it s operati on theory is shown in Figure 8-1 Fig. 8-1 UPS parallel o peration mode( t ...
Chapter 8 Parallel System 89 Fig. 8-2 Redundanc y operati on mode This system ca n improve the syste m reliability noti ceably . In normal condition, each UPS does not w ork at f ull load, so even if the l oad is in creased, the sy stem will n ot transfer to by pass. When X number of UPS shuts down due to failu re, the remaini ng N numbers of UPS c ...
C hapter 8 Par allel System 90 Fig. 8-4 Series backup mode Note The defau lt value of a lternative operation time is 168 ho urs and the r ange is 0-4320 hours 8.1.3 Operation modes The parall el operation system al so has operation modes such as norm al mode, battery mode, byp ass mode and maintena nce bypass mode. All t he UPS units inside the ...
Chapter 8 Parallel System 91 Maintenance mo de: The conditi on to transfer to mainte nance mode is same with that of single mod ule UPS system. The m aintenance swit ches should be switched on synchronously a s possible. Thus the syst em can be rep aired witho ut interrupting the power supply to l oad. 8.2 Installation The instal lation me thod of ...
C hapter 8 Par allel System 92 8.2. 2 Ele ctri cal inst al lati on 1. Power cables Wiring of pow er cables is the same with th at of singl e module UPS sy stem. Note: The length and specificati ons of po wer source ca bles incl uding the by pass i nput and UPS output cables should be th e same, thus the load can be shared evenly in bypass mode. ...
Chapter 8 Parallel System 93 8.3 External Power Distribution Parameters su ch as maxim um permissibl e input c urrent (In is the r ated input current) of each UPS, cap acity of input circuit breaker(suit able for re ctifier input a nd bypass in put) are given in T able 3-5. It is recommended that the i nput power sour ce of each UPS u nit should be ...
C hapter 8 Par allel System 94 Code setup : Each UPS unit has its own cod e, and set the codes of each UPS u nit as 1, 2, 3 .n(n 8) one by one; Set the num ber of UPS units N and number of redundan cy UPS unit s X: If th ere is M UPS units i n the system, if the system is the parall eling system for cap acity expansio n, then M=N , X=0; In redu ...
Chapter 8 Parallel System 95 When switching on the p arallel system, external mai ntenance byp ass switch KBP i s recommended be equipped to mai ntain t he power sup ply to load in case of UPS shutdow n due to failure or mainte nance. Before switc hing on the UPS, all the ci rcuit breakers but the KBP should be disconnected, the utility pow ers the ...
C hapter 8 Par allel System 96 1. Press the “inverter shut down” t o shut down the inverter and the sys tem transf ers to bypass mo de; 2. Switch of f each UPS unit’ s Q1 and the QF1 of battery cabinet ; 3. Switch on e ach UPS unit ’s Q3BP ； 4. Switch on eac h UPS unit’s Q2 and Q5 ； A T this time, the user’s load is totally de pende ...
Chapter 8 Parallel System 97 2. Normal mode to by pass mode Press the “inverter shut down” butto n on the UPS p anels one by one, all the UPS can transfer to byp ass mode. In the above oper ation, if the t otal ca pacity of all the inverters is smaller tha n the load cap acity , all the UPS unit will transfer from normal mode to bypa ss mode. 3 ...
C hapter 8 Par allel System 98 Note At this time, t he input an d output ter minals of thi s failed UPS unit are still ener gized. Switch of f the unit’ s input and output circuit br eakers if t hese terminals may be touched during m aintenance . 2. After repairin g the failed UPS, connect it to the par allel operat ion system again After r e ...
Chapter 8 Parallel System 99 This figure only shows the conn ection method of control c ables of par allel operati on system with 3 UPS unit s. The others can be done according to the same metho ds. Emergency stop button 1 2 3 4 1 2 3 4 1 2 3 4 Fig. 8-6 Emergenc y shutdown button Where, “1”-Normall y closed c ontacts for emergenc y shutdown “ ...
C hapter 8 Par allel System 100 Tabl e 8-3 F ault a nd fau lt pr ocess met hods of paral lel o perat ion s yste m No. Fault description Reason s Fault processing 1 O verload of parallel operation s ystem Overload oc curs and the redundanc y is not available Disconnect the load of low pr iority, maintain the po wer supply to important load 2 Single ...
Chapter 9 Opti onal Parts 101 Chapter 9 Optional Parts 9.1 Battery 9.1.1 Capacity selection Calculate the disc harging curr ent according to rated load cap acity and the n select the b att ery acc ordi ng to the c urr ent and t he b att ery back up tim e re quir ed by us er . There are various s pecifications of ba ttery , we recommend that 30 12V ...
Chapter 9 Opti onal Parts 102 9.2 Battery cabinet 9.2.1 External Dimensions The UPS system has two ki nds of battery cabinet s that are UF-B0 100-30 and UF- B0065-30 respectiv ely . The External Dimensi ons are given i n Fig. 9-1 and Fig. 9-2 respectively . The structur al paramet ers are given i n T able 9-3. Tabl e 9-2 str uct ural par amet ers N ...
Chapter 9 Opti onal Parts 103 4 fixing holes 4 levelling bolts 4 fixing holes 4 levelling bolts Fig. 9-2 Posi tions of l eveling feet of batter y cabinet 9.2.2 Installation of battery cabinet The require ments for the locations of battery cabi net are the same with those of UPS cabine t, so are th e instal lation and fixing met hods. Inst all the c ...
Chapter 9 Opti onal Parts 104 Layout for No.2~4 fl oors Layout for No.1 floors General Layout Fig.9-3 Batter y layout inside battery cabin et UF-B0100-30 can hold 30 12V /100Ah maintena nce free batteries. The volt age can be 360V af ter the b atteries ar e connected in seri es. The batt eries are pla ced in 4 floors as shown in F ig.9-4. Follow th ...
Chapter 9 Opti onal Parts 105 a. Unp ack the battery , measure the battery vol tage , charge the battery before installati on if the singl e battery cell volt age is l ower than 2.13V( each battery has 6 cells , 12.8Vdc) ; b. Open the fro nt door , remove the back door an d cover , switch of f all the battery switches, clear t he battery cabinet an ...
Chapter 9 Opti onal Parts 106 provided by battery manuf acturer . The battery output circu it breaker should be made sep arately . The method is use d if the require d backup time is lo nger than 2 hours. l. The connection ca bles betwee n battery and U PS will not be provide d in accessories. Refer to T able 3-2 in Chapter 3 to select the batter y ...
Chapter 9 Opti onal Parts 107 Support SN MP , HTTP , TFTP and T elnet protocols an d can monitor the UPS through the UPS netw ork monitoring sof tware (U PSiteCenter), NMS and Web expl orer （ IE and Netscape ） . The SNMP card can be upgr aded online; Prov ide t he comp uter saf ety p rot ect ion f unc tio ns. Pr ovi de t he c ompu ter safet y s ...
Chapter 9 Opti onal Parts 108 b. Set up the fau lt call-back p arameters . The monitori ng system c an realize fault call-back fun ctions throug h the MODEM. When the UPS has fault, i t will dial the user automat ically and requir e actions . 9.6 Temperature sensor TMP12Z TMP12Z temperature sensor is an ambient temperature dete ction device develop ...
Chapter 9 Opti onal Parts 109 9.7.1 Introduction of SPD24Z The SPD24Z lig htning protectio n box has a switch( 3) on its p anel, a light ning protection in dicator(green, 1) and faul t indicator （ red,2 ） . Its top cover has 3 hole s for cable inp ut （ I ～ III ） and it s bottom h as 3 holes for cable outp ut. Its r ear side has two holes ...
Chapter 9 Opti onal Parts 110 h. Check whet her the cables are well connected. i. Use a 4mm 2 cabl e to earth t he lightnin g protecti on device . j. Close the cover . Note 1. All operations sh ould be done with power off an d confirm there is no dangerous voltage on the neutra l line 。 2. Connect tw o pieces of PE cables from t he lightn ing ...
Chapter 9 Opti onal Parts 111 9.7.3 Using and Mainte nance 1. Ambient cond ition a. Ambient t emperature ranges from -40 ℃ to 40 ℃ ; b. Elevation lower than 1000m ; c. The utility freq uency is 45 ～ 65Hz ; d. The highest wind speed not exceed 35m/s . 2. Maintena nce 1) The lightning pro tection devi ce operates norm ally if the gre en indicat ...
Chapter 10 Se rvice after Sales 112 Chapter 10 Service after Sales 10.1 Abnormal Fault Handling If the UPS is abn ormal without alarm indicat ion, check accordi ng to T able 10-1 . Table 10-1 Fault handling No.1 Fault description Reason Actions to be taken 1 Utility switch is pu t to “ON”, no dis play by LCD, no se lf te st of sy stem A. Input ...
Chapter 10 Serv ice after Sales 113 Table 10-2 Fault information of Single module UPS system No.1 Fault description Reason Actions to be taken 1 Ambient over-tempera ture over-temperatu re of UPS room Check the ventilation 2 Environment param eter 1 abnormal Environment p arameter chan nel 1 has alarm Check the device s relating to the channel 3 En ...
Chapter 10 Se rvice after Sales 114 No.1 Fault description Reason Actions to be taken 16 Battery needs to be replaced The battery life is reduc ed due to aging, which may endanger the normal operati on of UPS. Warn the user tha t the batt ery is abnormal an d needs to be replaced. Notify the service dept for replacing the battery and se t the batte ...
Chapter 10 Serv ice after Sales 115 No.1 Fault description Reason Actions to be taken 34 Output surge current Surge curre nt occurs in bypass mode, the sy stem shutdown Avoid appl ying big load a bruptl y and short circuit 35 Transfer to bypass due to surge The system transfers to bypass mode due to surge current and back to inver ter mode after lo ...
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