Emerson 480V manuel d'utilisation

AC P ow er For Business-Criti cal C on tinuity™ Li eber t N X ™ UPS Us er Man ual–40-120kV A, 480V , 60Hz[...]

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i T ABLE OF CONTENTS I MPORT ANT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 G LOSSARY OF S YMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.0 I NST ALLATION . . . . . . . . . . . . . . . . . . . . . [...]

ii 3.4 Non-Standard Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.5 BCB Shunt Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.6 Alber Monitoring System—Optional . . . . . . . . . . . . . . [...]

iii 8.10 Current Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 8.11 UPS Status Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 8.12 Types of LCD Screens . . . . . . . . . . . . . . . . . . . . . .[...]

iv 11 . 0 S PECIFICATION S AND T ECHN ICAL D ATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 11.1 Lug Size and Torque Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 11.2 Cable Lengths: Floo r to Connection Point Inside UPS . . . . . . . . . . . . . . . . .[...]

v Figure 41 Mimic display indicators location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Figure 42 Location of control butto ns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Figure 43 Buzzer location . . . . . . . . . . [...]

vi Table 29 Lead/Lag ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Table 30 Cable size tightening torque at Liebert NX 40kVA UPS terminals . . . . . . . . . . . . . . . . . . . . . . . . 90 Table 31 Cable size tightening torque at Liebert NX 60kVA UPS termi[...]

1 I MPORT ANT S AFETY I NSTRUCTIONS SA VE THESE INSTRUCTIONS This manual co ntains important ins tructions that should be followed during installation of your Liebert NX ™ UPS and ancillary equipm ent. Read this manual thor oughly, paying spe cial attention to the sections that appl y to your installation, before working with the UPS. Retain this[...]

2 Battery Cabinet Precautions The following warning appl ies to all battery cabine ts supplied with UPS syst ems. Additional warn- ings and cautions applicab le to battery cabinets may be found in 3.0 - Battery Installation . ! WARNING Under typical operation and wi th all UPS doors closed, only normal safety preca utions are necessary. The area ar[...]

3 G LOSSARY OF S YMBOLS Risk of ele ctrical shock Indicates caution followed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit contains a valve-regulated lead acid battery Recycle DC voltage Equipment grounding conductor Bonded to ground AC voltage ! i PbH2S O4 - + R[...]

Installation 4 1.0 I NST ALLATION Liebert’s NX Uninterruptible Power Sup ply system prov ides continuous, h igh-quality AC p ower to your business-critical equi pment, such as telecomm unications and data processing equip ment. The Liebert NX UPS supplies power that is free of the disturb ances and variations in voltage and fre- quency common to [...]

Installation 5 1.2 Internal Inspections 1. Remove any packaging material , then visually ex amine the UPS and battery equipment for transit damage, both internally and externally. Report any such damage to the shipper and to Liebert immed iately. 2. Check the nameplate inside the cabinet door to verify that the mo del number and rating correspond t[...]

Installation 6 Battery Location Batteries must be installed in Liebert NX 4 80V bat tery cabinets or battery room. Temperature is a major factor in determining battery life and capacity. Battery manufacturers recommend an operat- ing temperature of 77°F (25°C). Am bient temperatures higher than this reduce battery life; tempera - tures lower than[...]

Installation 7 1.6.1 Clearances There are no ventilation grilles on the sides or rear of the UPS. The unit may be placed with the rear against a wall and optional cabi nets on either side. To enable rout ine tightening of p ower terminations with in the UPS, make su re there is sufficien t clearance in front of the Liebert NX to permit free passage[...]

Installation 8 Figure 1 Cabinet arrang ement—Liebert NX unit s and battery cabinet s Front o f Unit s Ba t t e ry C abinet Ba tt e ry C abinet B attery C abinet Li ebert NX UPS Front of Unit s Ba t t e ry C abinet Ba tt e ry C abinet Ba t t e ry Ca bin e t Li ebert NX UPS Front o f Unit s Multi-Modu le Par alle l C abin e t Ba t t e ry C abinet B[...]

Installation 9 Figure 2 Cabinet arrang ement—Liebert NX unit s, battery cabinet s and Liebert FPC Fr ont of Unit s Mu lti -Mo d u le Par al l el Cabi net Lie bert Foundat ion Pow er Cen t er B atte ry C a binet Ba t t er y Cabinet B atte ry C abinet Ba tt e ry C a binet Lieber t NX UPS Li eber t NX UPS Lieber t NX UPS Li eber t NX UPS Fr ont of U[...]

Electrical Connections 10 2.0 E LECTRICAL C ONNECTIONS The UPS requires both power and co ntrol cabling once it has been mecha nically installed. All control cables must run separate from power cables in metal conduits or metal ducts that are electrically bonded to the metalwork of the cabi nets to which they are connected. 2.1 Power Cabling 2.1.1 [...]

Electrical Connections 11 2.1.2 UPS Input Configuration Figure 3 illustrate s the Liebert NX in a split by pass (dual-input) co nfiguration. In this configuration the Static Bypass and the Maintenance Bypa ss lines ar e supplied from a separate feed from the Main input. Both sources must be protec ted externally with properly sized protective devi [...]

Electrical Connections 12 2.1.4 Cable Connections The rectifier input, bypass and output are easily ac cessible from the front of the unit for installation. All require lu g type terminations. They are connected to busbars on the fron t side of the Liebert NX and below the circuit breaker, as shown in Figure 4 . These busbars are acce ssible when t[...]

Electrical Connections 13 2.1.5 Safety Ground The safety ground busbar is located belo w the Maintenance Bypass circuit breaker as shown in Figure 4 . The safety ground cable must be connected to the ground busbar and bonded to each cabi- net in the system. All cabinets and cable conduit should be gro unded in accordance with local regulations. 2.1[...]

Electrical Connections 14 2.1.7 Cabling Procedure Once the equipment has been posi tioned and secured for operation, and the battery and ground col- lars have been connected (see 2.1.4 - Cable Connectio ns ), connect the power cables as described below. (Study the reference drawin g in 6.0 - Installation Drawings .) 1. Veri fy that all inco ming hi[...]

Electrical Connections 15 Frequency Converter Mode If a frequen cy converter configur ation is used, co nnect the AC input supply cables to the rectifier input busbars (A-B-C terminals). Torque to 88 lb-i n (10N-m) for M8 bolts. Ensure correct phase rota- tion. There will not be an y AC bypass supply cabl es to the bypass inp ut (A-B-C terminals) a[...]

Electrical Connections 16 Figure 6 Auxiliary terminal block det ail (Monitoring Board) 2.3 Dry Cont act s The UPS provides input dry contacts and output dry contacts. NOTE When operating the Liebert NX with dry contacts , ESD measures must be taken or the contacts may be damaged. NOTE: The black square (  ) on each slot indicates Pin 1. J3 J1 J1[...]

Electrical Connections 17 2.3.1 Input Dry Cont acts There are several input dry contacts at the X3 slot. Figure 7 Input dry cont acts 2.3.2 Maintenance Byp ass Cabinet Interface J26 and J30 are the MBC interfa ce. T able 1 Input dry cont act s at X3 Position Name Description J4.1 ENV 3 Battery Room Alarm (N.C.) J4.2 BtG Battery Ground Fault Detecti[...]

Electrical Connections 18 2.3.3 BCB Control Interface J10 is the BCB box interface. Figure 8 Jumper connection for BCB interface without a battery int erface board T able 3 BCB control interface Position Name Description J10.1 DRV BCB Driver Signal J10.2 FB BCB Con tact State J10.3 GND Power Ground J10.4 O L BCB On-Line - Input - This pin wi ll bec[...]

Electrical Connections 19 2.3.4 Output Dry Cont act s There are three output dry contac t relays at the X1 slot (see Figure 9 and Table 4 ). Figure 9 Output dry cont acts and EPO wiring for firmware be fore M170 T able 4 Output dry cont act relays Position Name Description J13.2 BFP_O Bypass feedback protection relay. Norm ally open. Cl osed when b[...]

Electrical Connections 20 2.3.5 EPO Input—Optional The UPS has an Emergency Power Off (EPO) function op erated by a button on the control panel or by a remote contact provided by the use r. The local EPO button is under a hinged, clear plastic shield. The X2 slot, shown in Figure 10 , is the remote EPO input interf ace. The EPO has a NO/NC contac[...]

Battery Installation 21 3.0 B ATTERY I NST ALLATION 3.1 Introduction If using multiple sets of batteri es connected in parallel to provid e the required ba ttery backup run times, fit each set with an isolat ing device to permit wo rking on one of the batt ery sets while l eaving the others in service and pr oviding backup protection. When replacin[...]

Battery Installation 22 3.3 External Battery Cabinet Inst allation 3.3.1 Battery Cabinet s Figure 1 1 Battery cabinet The same model battery cabinet may be installed in paralle l in multiple cabinet string s for additional capacity. Battery run time depends on the cabinet mo del, the number of cabinets and the load on the UPS. Handling —The batte[...]

Battery Installation 23 3.3.2 Connecting the Batteries If the Liebert NX battery cabinets are installe d on a raised floor, the battery power cabl es and circuit breaker control cables may be routed to the UPS c abinet via the floor of the cabinet (bottom entry). If the Liebert NX battery cabinets are installed adjacent to on e anot her on a solid [...]

Battery Installation 24 Figure 13 Battery tray and supp ort s 3.3.4 Connecting the Battery Cabinet t o the UPS After the battery cabinet equipmen t has been positioned and secure d fo r operation and the batteries have been connected, connect the power cables as described below. (See Figure 28 .) 1. Veri fy that all inco ming high and low voltage p[...]

Battery Installation 25 3.6 Alber Monitoring System—Optional The Liebert matching battery cabine t allows installing a n optional Alber Battery monitoring system in the cabinet. The Alber Battery Monitoring by Liebert conti nuo usly checks all critical battery parameters, such as cell voltage, overal l string vo ltage, current an d temperat ure. [...]

Options 26 4.0 O PTIONS 4.1 Load Bus Synchronization The Load Bus Synchronizer (LBS) keeps the output of two independent UPS systems or para llel UPS systems in synchronization even when the systems are operating in different modes and even when either or both systems are operat ing on batteries. When the LBS is used, one UPS system is desig- nated[...]

Options 27 Figure 15 Load Bus Synchronization ca ble connection with multi-module sy stems The LBS functio n is activated with configuration software; when the LBS ta kes effe ct, the graphic LCD will display “LBS acti ve.” 4.2 Configuring Parallel System Operation 4.2.1 General The Liebert NX uses intelligent and reliable dece ntra lized techn[...]

Options 28 Figure 16 Parallel system block diagram 4.2.3 Operating Principles Redundancy Paralleling The parallel redundant system can noticeably impr ove sy stem reliability. In n ormal condition, non e of the UPS modules work at full load. Th at means that even if the load is increased, th e system will not transfer to bypass. And when a UPS modu[...]

Options 29 4.3.1 Conditions for Parallel System • Each UPS module must have the same bypass source. • The outputs of all UPS modu les are connected altogether. • The main inpu ts can be from differen t sources, but the phase rotation sequence of main inputs, bypass inputs and outputs must be correct and the same. • The parallel logic cable [...]

Options 30 Figure 17 Connecting sys tem p arallel control cables Auxiliary Dry Cont act Cables The external output brea ker of each UPS must ha ve Normally Open auxiliary contacts. These con- tacts must be wired to connector X3 on the Parallel Logic Board (M3). See Figures 18 and 19 . Figure 18 Auxiliary dry cont act cables for output breaker in mu[...]

Options 31 Figure 19 Dry cont act s, multiple UPS modules with distribution p anel In p u t Dis trib u tio n UPS 1 M3 B o a r d X3 E x t . Ma int . E x t . Out UPS 2 M3 B o a r d X3 Ex t. Maint. Ex t . O u t UPS N M3 B o a r d X3 Ext . Ma in t . Ext . O ut To Loa d QUP S QByp Q1 E xt Q2 E xt QnExt[...]

Options 32 4.3.6 Emergency Power Off (EPO) The external emergency stop facility is identical to that described for the single unit installati on— that an individual emergency stop button is provided for each unit. Figure 20 Connecting EPO push button UP S 2 UPS 1 M onit or B oa r d Mo n i to r B o ar d X2 :1 X2 :2 X2 :1 X2 :2 No r ma lly C l o se[...]

UPS Specifications 33 5.0 UPS S PECIFICATIONS These specificat ions describe requ ire ments for the Liebert NX UPS. 5.1 Conformity and St andards The UPS has been designed to co nform to the following standards: • IEEC 61000-4-5 •A S M E • CSA 22.2, No. 107.1 • FCC Part 15, Class A • ISO 9001 • National Electrical Code (NFPA-70) • NEM[...]

UPS Specifications 34 5.4 UPS Electrical Characteristics T able 8 UPS terminal Input (For Single-Input Uni t) Unit Rating Nominal Input Current Maximum Input Current OCP Current OCP Device Rating Bolt Size Maximum Recommended Lug (Thomas & Betts part number) Compression 2-Hole; 3/8" Bolt Mechanical 2-Hole; 40 48 66.8 80.2 90 8M 54106 ADR21[...]

UPS Specifications 35 5.4.1 Input Rectifier Battery Unit Rating Nominal Input Current Maximum Input Current OCP Device Rating Bolt Size Maximum Recommende d Lug (Thomas & Betts Part Number) Compression 2-Hole; 3/8" bolt Mechanical 2-Hole; 40 82 at 480VDC 98 at 400VDC 70 8M 54106 ADR21 60 122 at 480VDC 146 at 400VDC 110 8M 54107 ADR21 80 16[...]

UPS Specifications 36 5.4.2 DC Intermediate Circuit See Table 8 for current ratings. 5.4.3 Inverter Output See Table 8 for current ratings. 5.4.4 Byp ass Input T able 12 DC intermediate circuit Rated Power kV A 40 60 80 100 120 Recommended number of lead-aci d batteries Total 40 battery blocks of 12VDC (240 cells of 2VDC) will be supported by UPS R[...]

Installation Drawings 37 6.0 I NST ALLATION D RAWINGS The diagrams in this section il lust rate the k ey mechanical and el ectrical characteri stics of the Lieber t NX UPS System cabinets. Figure 21 Dimensional view- front and lef t side views 39. 6m m (1. 6" ) 997 m m (39 . 3" ) 360 mm (14 . 2" ) C ent er of G rav i t y W i th o u t[...]

Installation Drawings 38 Figure 22 Dimensions continued—top and bott om views Figure 23 Main component s—typical unit 1 13.5 (4.5") 150 (5.9") 150 (5.9") 987.1 (38.9") 514.5 (20.3") 120 (4.7") 841 (33.1") 600 (23.6") 87.6 (3.5") 77 (3") 671.6 (26.4") 367.7 (14.5") 120.7 (4.8") 120[...]

Installation Drawings 39 Figure 24 Cable connectio ns 965 (38") 600 (23.6") 2000 (78.7") LEFT SIDE VIEW (with side panel removed) FRONT VIEW (with door removed) 20 (.79") 35 (1.38") 158.1 (6.22") 35 (1.38") 36 (1.42") Output GND DC Bypass Main 25.4 (1") 6 (.24") CB1 CB2 CB3 CB5 NOTES 1. All dimensio[...]

Installation Drawings 40 Figure 25 Outline drawing, 33" batter y powe r pa ck system, single cabinet 169.5 (6.7) 372.7 (14.7) 575.9 (22.7) 779.1 (30.7) 172.1 (6.8) 965 (38) Bottom (Viewed From Below) Right Side Front (Without Door) To p (Viewed From Above) Max. Door Swing: 120° 490.3 (19.3) 896.6 (35.3) 474.3 (18.7) 26.8 (1.1) 609.3 (24) 322.[...]

Installation Drawings 41 Figure 26 T erminal det ails, 33" battery power p ack system, single cabinet Liebert NX NOTES: 1. All dimensions are in millimeters (inches). 2. All cables should be routed before bolting cabinets together . 3. The cables between the battery cabinet and the UPS cabinet must be supplied by others. 4. All hardware suppli[...]

Installation Drawings 42 Figure 27 Battery connections H1 H2 H3 X2 X3 X1 H4 X4 Bro wn Bl ue Ye l l ow/ G re en AC 480V Field-Suppl i ed UP S Mod u le Ext. Batt. 11 12 14 C1 C2 MX AUX + 1 2 3 4 5 6 7 8 9 10 11 12 AC 120V ( T o A lbe r Contr oll er ) Op t ion : Pow e r f o r Al b e r Sy ste m X 100 X1 0 2 +2 20 V - 1 2 3 X7 _J 2 2 W/ B lk WHITE Red 1[...]

Installation Drawings 43 Figure 28 Battery cabinet interconn ection NOTES: 1. All cables must be reposition ed prior to and whil e setting the cabinets in their inst alled location. 2. Refer to the in dividual drawing of each piece of eq uipment for additional details. Run From To Conductors A UPS Battery Terminal Blo ck First External Battery Cabi[...]

Installation Drawings 44 Figure 29 Outline drawing, Liebert NX480V , 80-120kV A T ype E and E2 parallel cabinet To p Right Side 800 (31.5) 965 (38) Front 2000 (78.7) NOTE: 1. All dimensions are in millimeters (in). 2. Eight-inch minimum clearance above unit required for air exhaust. 3. Keep cabinet within 15 deg. of vertical while handling. 4. Top [...]

Installation Drawings 45 Figure 30 Outline drawing, Liebert NX480V , 80-120kV A T ype E1 parallel cabinet 1240 (48.8) 965 (38) 2000 (78.7) To p Right Side Front NOTE: 1. All dimensions are in millimeters (in ). 2. Eight-inch minimum clearanc e above unit required for air exhaust. 3. Ke ep cabinet within 15 deg. of vertical while handling. 4. Top an[...]

Installation Drawings 46 Figure 31 Main component location drawing Liebert NX 480V , T ype E p arallel cabinet Front Rear System O/P T ie Breaker Kirk - Key Fuse Disconnect System Output Busbar Ground Busbar UPS Output Breaker System Bypass T ie Breaker UPS Input Breakers System Input[...]

Installation Drawings 47 Figure 32 Main component location drawing Liebert NX 480V , T ype E1 p arallel cabinet Front (With Covers ) Bypass Ti e Breaker Bypass Ti e Breaker Ground Bus UPS Input System Input 1240 (48.8) 2000 (78.7) Front Without Covers Rear With Covers Rear Without Covers UPS Output Output Distribution[...]

Installation Drawings 48 Figure 33 Main component location drawing Liebert NX 480V , T ype E2 p arallel cabinet System O/P T ie Breaker Kirk-Key Fuse Disconnect System Output Busbars Bround Busbar UPS Output Breakers FRONT[...]

Installation Drawings 49 Figure 34 Lineup det ail—Parallel T ype E connect ion to Liebert NX C1-C4 D E1-E4 B1-B4 C1-C4 B1-B4 A G1-G4 H1-H4 E1-E4 F FRONT (Without Covers) FRONT (Door Open) REAR (Without Covers) G1-G4 H1-H4 Run From To Conductors A Utility Source Parallel Cabinet Ph A, B, C - System Input B1-B4 P arallel Cabinet UPS #1-UPS #4 Modul[...]

Installation Drawings 50 Figure 35 Lineup det ail—Parallel T ype E1 connec tion to Liebert NX FRONT (Without Covers REAR (Without Covers FRONT (With Door Open) E1-E4, F B1-B4 A D B1-B4 E1-E4 C1-C4 G1-G4, H1-H4 G1-G4, H1-H4 C1-C4 Run From To Conductors A Utility Source Parallel Cabinet Ph A, B, C - System Input B1-B4 Parallel Cabinet UPS #1-UPS #4[...]

Installation Drawings 51 Figure 36 Lineup det ail—Parallel T ype E2 connec tion to Liebert NX C1-C4 E1-E4 B1-B4 C1-C4 G1-G4 H1-H4 D E1-E4 F FRONT (Without Covers) FRONT (Door Open) G1-G4 H1-H4 Run From To Conductors B1-B4 Utility UPS #1-UPS #4 Mo dule AC Input Ph A, B, C - UPS Inputs C1-C4 UPS #1-UPS #4 Module AC Output Parallel Cabinet Ph A, B, [...]

Installation Drawings 52 Figure 37 Line-up det ail, bolt together de scription, 40-120 kV A Liebert NX Remove when cabinets are to be bolted together DET AIL A A U3819301 NOTES: 1. All dimensions are in millimeters (inches) 2. All cables should be routed before bolting cabinets together . 3. The cables between the auxillary cabinets and the UPS cab[...]

Operation 53 7.0 O PERATION 7.1 General Description Liebert’s NX provides continuous, high- quality AC po wer to your business-criti cal equipment, such as telecommunications and data processi ng equipment. The Liebert NX UP S supplies po wer that is free of the disturbances an d variations in voltage and f r equency common to utility power, whic[...]

Operation 54 7.1.1 Byp ass Supplies The Liebert NX contains an electron ical ly controlled switch ing circuit that enables the critical load to be connected to either the inverte r output or to a bypass power source via the static bypass line. Dur- ing normal system opera tion the load is connected to the inverter and the inve rter contactor is clo[...]

Operation 55 Maintenance Mode For maintenance or repair, the Liebert NX may be operated in maintenance mode. To place the Lie- bert NX in maintenance mode, the load must be transferred to bypass and the inverter must be turned off. When those conditions are met, the CB3 may be turned on and the UPS may be shut down, permitting disconnecting th e ba[...]

Operator Control an d Display Panel 56 8.0 O PERATOR C ONTROL AND D ISPLAY P ANEL 8.1 Operator C ontrol Panel The control panel and LCD on the front of the Liebert NX let the operator: • turn the UPS On o r Off • transfer into the va rious operating modes • silence alarms • check the status of the UPS and its batteries, including all measur[...]

Operator Control an d Display Panel 57 Figure 40 Det ailed view of control p anel 13 24 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Mimic indicators Control buttons Navigation keys 1. Rectifier indicator 8. I nverter Off Button 15. F1 2. Battery indicator 9. Emergen cy Power Off Button 16. F2 3. Inverte r indicator 10. EPO Cove r 17. F3 4. Bypass indic[...]

Operator Control an d Display Panel 58 8.2 Mimic Display Indicators The Mimic display on the front panel consists of six indicators arranged in a single-line diagram depicting the vario us paths of UPS power, as shown in Figure 41 . Figure 41 Mimic display indicators location The current operational status of the Liebert NX is indicated by th e col[...]

Operator Control an d Display Panel 59 8.3 Control Buttons The Control Buttons on the front panel may be used to s hut down the UPS co mpletely, turn the inverter On or Off, restart the UPS after a fault and silence the alarm, as shown in Figure 42 . The function of each bu tton is described in Table 16 . Figure 42 Location of control buttons NOTE [...]

Operator Control an d Display Panel 60 8.4 Audible Buzzer The buzzer produces three types of sounds: • Single beep - when any control button is pressed • Single beep repeating every two seconds - the system has a general alarm • Continuous - the system has a serious fault If the buzzer makes no sound, the system may be operating properly, or [...]

Operator Control an d Display Panel 61 8.6 Navigation Keys The navigation keys on the front panel—F1 through F4 and Help—are used to access the LCD to view the current status and other in formation about the Liebert NX. Navigation key icons on the LCD appear abov e each key to indicate its operation (see Table 17 ). The keys are “soft keys”[...]

Operator Control an d Display Panel 62 8.8 LCD Menus and Dat a Items The LCD menus provide access to th e follow ing categories of i nformation and settin gs for the UPS. Selecting a menu changes the info rmation displaye d in the UPS data items portion of the LCD. The menu choices are listed below and described in detail in Table 19 . • Mains - [...]

Operator Control an d Display Panel 63 T able 19 Descriptions of UPS menus and dat a window items Menu Type Item Type Explanation Mains (input) L-N current (A) Phase current Frequency (Hz) Input frequency L-L voltage (v Line-line voltage Power factor Power factor TX Input L-L voltage (V) Line-line voltage Bypass Frequency (Hz) Bypa ss frequency L-L[...]

Operator Control an d Display Panel 64 8.9 Language Selection The LCD menus and data display are availa ble in 12 languages (Chinese, Dutch, English, French, German, Italian, Japanese, Polish, Portuguese, Russi an, Spa nish and Swedish). To sele ct a different language: • From the main menu, press the F1 (Shift) key to move the cursor to the menu[...]

Operator Control an d Display Panel 65 8.10 Current Date and Time To change the syst em date and time: • From the main menu, press the F1 (shift) key to move the cursor to the menu at the top of the screen. • Press F2 and F3 (left and right arrows) as need ed to select the Settings menu. • Press F1 (shift) to move the cursor to the data and s[...]

Operator Control an d Display Panel 66 8.1 1 UPS St atus Messages The Liebert NX displays status changes as they occur in the current status window of the LCD , then stores that data in the history log , as shown in Figure 48 . • Current Status Window: The status messages are displayed chronologically and include the date and time of the events. [...]

Operator Control an d Display Panel 67 8.12 T ypes of LCD Screen s This section provides a qui ck guide to the main types of LCD screens. 8.12.1 Opening Display As the UPS be gins powerin g up, the op ening displa y appears, as sh own in Figure 49 . Figure 49 Opening display 8.12.2 Default Screen After the UPS has powered up and completed a self-t [...]

Operator Control an d Display Panel 68 8.12.3 UPS Help Screen Press the HELP key below the LCD to di splay the Help w indow shown in Figure 51 . (Press the HELP key again to exit the Help window.) Figure 51 Help screen 8.12.4 Screen Saver W indow If there has been no interaction with the Lieber t NX’s LCD for 2 minutes, the screen saver window ap[...]

Operator Control an d Display Panel 69 8.13 Pop-Up Windows Pop-up prompt windows app ear when the user must confirm a choice or perform an operation. T his section describes th e pop-up windows. 8.13.1 From Byp ass to Inverter Mode With Power Interruption If the bypass volt age or frequency exceeds the synchron ized range and utility voltage or fre[...]

Operating Instru ctions 70 9.0 O PERATING I NSTRUCTIONS 9.1 Liebert NX Operating Modes The Liebert NX can operate in an y of four modes, as shown in Table 20 . This section provides instructions on sw itching betwee n modes, resetting the U PS, switching the inverter On and Off and performing other operations. T able 20 UPS operating modes Operatin[...]

Operating Instru ctions 71 9.1.1 Circuit Breakers The UPS can be isol ated by means of circuit breakers, mounted inside the cabinet and accessible after opening the front door. The location of the UPS power switches is show n in Figure 53 . Figure 53 Circuit breakers The UPS unit circuit breakers are CB1, CB2, CB3 and CB5. • CB1 —Main Inp ut ci[...]

Operating Instru ctions 72 9.2 UPS St artup The Liebert NX must be fully installed and commissioned before startup, and external power isol ators must be closed. Once those general conditions are met, the UPS may be started. 9.2.1 St artup Procedure To start the UPS f rom a fully powere d-down condition : 1. Open the UPS door to gain access to the [...]

Operating Instru ctions 73 6. Press the INVERTER ON co ntrol button for 2 seconds. The inverter will start and the inve rter indicator will flash green. After the inverter is ready, the UPS will transfer from bypass to in verter, the bypass indicator will turn off and the inv erter and load indicators will turn on. The UPS is operating normally. Th[...]

Operating Instru ctions 74 9.3 Maintenance Byp ass Procedure and Po wering Down the UPS Follow the procedure below to transfer the load fr om the inverter output to the Maintenance Bypass line of the UPS. This procedure assumes that th e UPS is operating normally. 1. Press the INVERTER OFF button on the op erator control panel for longer than 2 sec[...]

Operating Instru ctions 75 9.4 Auto Rest art When the main and bypass sources fail, the UPS dr aws power from the battery system to supply the load until the batteries are depl eted. When the UPS reaches its end of discharge (EOD) threshold , it will shut down. The UPS will automatically rest art and enable output pow er: • after utility po wer i[...]

Operating Instru ctions 76 9.7 Battery Protection 9.7.1 Battery Undervolt age Pre-W arning Before the end of discharge, the Liebert NX displays a Low Battery pre-warning. After this pre-warn- ing, the battery has the capacity fo r 5 minutes discharging with full load (defau lt time). The Liebert NX can be user-configured to display this warnin g fr[...]

Operating Instru ctions 77 Figure 54 T ypical p arallel system block diagram with common input supply , with separate batterie s and optional output / by p ass distribution p anel NOTE All equipment servicing procedures must be carried out only by trained personnel. I Li ne O utput I nput 480 V 3W+G FPC 480 V 3W+G O pti onal addi ti onal systems O [...]

Operating Instru ctions 78 9.8.2 Inserting One Module into a Multi-Modu le System This procedure outlines how to inte grate a UPS modu le that has been previous ly isolated from other modules of a group of parall eled UPS modules. It is assumed that th e installati on is complete, the sys- tem has been commissioned by auth orized personnel and the [...]

Operating Instru ctions 79 9.8.3 Shut down Procedure—Complete UPS and Load Shut down This procedure must be followed to completely power down the UPS and the load. All power switch es, isolators and circuit breakers will be opened and power will be removed from the load. In multi-module syst ems, perform each step of the procedure in e very UPS m[...]

Operating Instru ctions 80 9.10 Parallel System St art Up 1. Start e ach UPS normally as de scribed in 9.2 - UPS S tartup 2. Turn on the inverter of ea ch UPS module one at a time. 3. Ap ply the load after the last UPS module transfer s to inverter. The total load can be determined through the LCD of either UPS. 4. Veri fy the load rate of each UPS[...]

Options 81 10.0 O PTIONS Several items of optional equipment are avai lable for connection to the Liebert NX UPS. 10.1 Communication and Other User T erminals The UPS can be integrated into advanced networki ng environments via U P S monitoring software such as Windows-based UPS Monitor, MultiLink ™ , Nform ™ , Site Net, Modbus / Jbus, SiteScan[...]

Options 82 10.1.4 Communication and Monitoring Liebert IntelliSlot W eb Card - SNMP/HTTP Ne twork Interface Card This network interface card provid es all real-time data and status informati on as SNMPv1 traps for connection to a 10/100-baseT Ethernet connection. Th e same card also will tr ansmit the same status information and all mea sured param[...]

Options 83 10.1.5 Configuring Baud Rates The default baud rate for Liebert IntelliSlots is 9600. To commun icate with the OCWEB-LB, Modbus/ Jbus, or the MultiLink cards, the baud rate must be set to 2400. To change the baud rate (r efer to Table 21 ): 1. Use the Navigation keys di rectly below the LCD to high light the Settings Screen. 2. Press F1 [...]

Options 84 Figure 56 Liebert IntelliSlot W eb card display[...]

Options 85 Relay Card The relay card provides voltage-free contact closures for remote monitoring of alarm conditions. Delivering On Ba ttery, On Bypass, Low B attery, Summary Alarm, UPS Fault and On UPS sig- nals, the easy-to-inst all card integrates with AS/400 computers (additiona l cable required) and other relay contact monitoring systems. The[...]

Options 86 MultiPort 4 Card The MultiPort 4 card provides four sets of voltage-free contact closures fo r remote monitoring of alarm conditio ns UPS operation On Battery and Low Battery condition. A typical application is to allow a maximum of four computer s ystems to simultaneously monitor the status (e .g., utility powe r failure-low b attery) o[...]

Options 87 10.2 LBS Mode—Load Bus Synchronization The function of LBS is to keep the o utput of two independent UPS system s (single unit or multi ple unit) in synchronization even when th e two sy stems are operating in different modes (bypass/ inverter) or on batteries. It is usually used with a Static Transfer Switch connected to the crit ical[...]

Specifications and Technical Data 88 11 . 0 S PECIFICATIONS AND T ECHNICAL D AT A 1 1.1 Lug Size and T orque Requirements Use commercially available solderless lugs for the wi re siz e required for yo ur applicat ion. Refer to Table 24 . Connect wire to the lug using tools and pr ocedure s specified by the lug manufacturer. 1 1.2 Cable Lengths: Flo[...]

Specifications and Technical Data 89 Liebert NX, then a dd the appropriate le ngth from the table a nd adequate sla ck for repair and maint e- nance. T able 26 Dist ance to connection point s on the Liebert NX UPS Connection Point on UPS Distance From Floor in. (mm) From Top of Unit in. (mm) Bypass AC input supply 13 (330) 66 (1676) UPS output AC 1[...]

Specifications and Technical Data 90 1 1.3 Cable size and tightening torques T able 28 External cabinet dime nsions, including side p anels Type E1 Parallel Cabinet Unit Width Depth Height mm (inch) 1240 (48.8) 965 (38) 2000 (78.7) Type E Parallel Cabinet Unit Width Depth Height mm (inch) 845 (33.2) 965 (38) 1956 (77) Matching Battery Cabinet Unit [...]

Specifications and Technical Data 91 T able 32 Cable size tightening torque at Liebert NX 80kV A UPS terminals Bus Type Cable Size (Copper Wire Only) Torque to Tighten Terminal Bus & Lug Body Main Input (Single Input) 2/0 10 N*m Main Input (Dual Input) 2/0 10 N*m Bypass Input (Dual Input) 1/0 10 N*m Output 1/0 10 N*m T able 33 Cable size tighte[...]

Specifications and Technical Data 92 1 1.4 Battery Run Times T able 35 Estimated battery run time, minutes UPS Rating/Model Number of Cabinets 123 4 40kVA UPS UPS12-100MR 5 18 32 47 UPS12-150MR 13 33 53 75 UPS12-210MR 21 51 81 123 60kVA UPS UPS12-100MR - 9 18 27 UPS12-150MR 7 19 33 47 UPS12-210MR 11 31 51 73 80kVA UPS UPS12-100MR - 5 11 18 UPS12-15[...]

UPS Status Messages 93 A PPENDIX A-U P S S TA T U S M ESSAGES Table 36 shows all event messages as they appear in th e current status area of the LCD and in the history log, along with a descrip tion and recommended actions, if an y. For fu rther information on the current status area an d the history log, see 2.11 UP S Status Messag es . T able 36[...]

UPS Status Messages 94 Bypass Unable to Trace This alarm is triggered by an inverter softwa re routine when the amplitude or frequency of bypass voltage is beyond the normal range. The amplitude threshold is fixe d for positive and negative 10% rating. This alarm automatically resets once th e bypass voltage goes normal. First verify that the bypas[...]

UPS Status Messages 95 Inverter STS Fail At least o ne of the static switches of inverter side is open or short circuit. This fault is locked until power off. Contact Liebert Global Services for assistance at 800-543-2 378 for assistance. Bypass STS Fail At least one of the static switch es of bypass side is open or short-circuited. This fault is l[...]

UPS Status Messages 96 DC Bus Overvoltage Rectifier, inverter and battery converter were shut down because DC bus vo ltage is too high. Check whether there is a fault in rectifie r side. If not, check whether overload occurs. Restart the inverter after resetting the fault. If fault does not clear, contact Liebert Glob al Services at 800-543-2378 fo[...]

UPS Status Messages 97 Battery Float Charging Battery is float charging Battery Boost Charging Battery is boost charging Battery Discharging Battery is dischargi ng Battery Period Testing Battery is period self-testing. Batt. Capacity Testing Battery is capacity self-testing. Batt. Maint. Testing Battery is maintenance self-testing . UPS System Tes[...]

UPS Status Messages 98[...]

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EmersonNetworkPower.com Ensuring The Hi gh Av ailabi lit y 0f Mission-Critic al Dat a And App lic ations. Emerson Net work P owe r , the global leader in enabling business-critical continuity , ensures network resiliency and adapta bility through a family of technologies—inc luding Liebert power and cooling technologies—that prot ect and suppor[...]