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Manual Liebert 30-130kVA

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  • Liebert 30-130kVA - page 1

    AC P ow er For Bu siness-Critical Con tinuit y Npowe r ™ UPS Operat ion & M aintenance Ma nual– 30- 130 kV A, 60H z, Sing le Mo dule Sys tem ...

  • Liebert 30-130kVA - page 2

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  • Liebert 30-130kVA - page 3

    i T ABLE OF CONTENTS I MPORT AN T S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 O VERVIEW O F M ANUAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.0 I NTRODUCTI ON . . . . . . . . . . . . . . . . . . . . ...

  • Liebert 30-130kVA - page 4

    ii 3.4 Faults, Alarms, Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 3.4.1 Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 3.4.2 Alarms . . . . . . . . . . . . . . . . . . . . ...

  • Liebert 30-130kVA - page 5

    iii FIGURES Figure 1 UPS controls and disp lay screen (w ith example of the monitor/mimic screen) . . . . . . . . . . . . . . . . 6 Figure 2 80 kVA UPS outside and ins ide views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 3 Operator control panel . . . . . . . . . . . . . . . . . . . . . . ...

  • Liebert 30-130kVA - page 6

    iv Figure 50 Options screen, page 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Figure 51 10% passive filte r settings screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Figure 52 Options screen, page 2 . . . . . . ...

  • Liebert 30-130kVA - page 7

    v Figure 100 Summary page screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Figure 101 User settings, page 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Figure 102 Battery time low warning ...

  • Liebert 30-130kVA - page 8

    vi ...

  • Liebert 30-130kVA - page 9

    1 I MPORT ANT S AFETY I NSTRUCTIONS SAVE THESE INSTRUCTIONS. This manual co ntains important ins tructions that shoul d be followed during maintenance of your Npower UPS and batteries. ! WARNING Exercise extreme care when hand ling UPS cabi nets to avoid equipment damage or injury to personnel. Refer to separate installation ma nual for equipment h ...

  • Liebert 30-130kVA - page 10

    2 O VERVIEW O F M AN UAL The Npower manua l is organized so tha t information can be found quickly. E ach major topic is sepa - rated by sections, and there is a Table of Contents for each section. The na mes of the sections and their contents are described below. Section 1 - INTRODUCTION is a summary of the Npower Uni nterruptible Power System (UP ...

  • Liebert 30-130kVA - page 11

    Introd uction 3 1.0 I NTRODUCTION 1.1 System Description The role of the UPS system is to supply uninterruptible, clean power to the critical load. It maintains a full-vol tage, low-disto rtion outp ut, ev en if the utility source power sags or becomes distorted. If there is an outage of the so urce power, the UPS maintains powe r to the load until ...

  • Liebert 30-130kVA - page 12

    Introd uction 4 1.1.1 Reliability Reliability is the most imp ortant design goal for Uninterruptible Power Systems. All Liebert 3-Phase UPS systems have demonstrated reliability by achieving a field-proven critical bus MTBF in excess of one million hours. In addition, our Quality Assuranc e program is certified to the requirements of ISO 9001 stand ...

  • Liebert 30-130kVA - page 13

    Introd uction 5 ONLY qualified service person nel should perform maintenance on the UPS system. When performing maintenance with any part of th e equipment under power, service personnel and test equipment should be standing on rubber ma ts. The servi ce personnel should we ar insulating sh oes for isolation from direct contact with the floor (eart ...

  • Liebert 30-130kVA - page 14

    Introd uction 6 1.3.4 Overload Overloads in critical systems may be caused by in rush currents during connected equipment startup or by faults in the criti cal load or di stribution network. The Liebert Npower UPS system can maintain full output vol tage regulation whil e sustaining the following overloads: • Up to 125% for 10 minut es • Up to ...

  • Liebert 30-130kVA - page 15

    Introd uction 7 1.4 Operator Controls Liebert Npow er UPS modules are equippe d with a mi croprocessor-based Operat or Display Screen and Control Panel designed for convenient an d reliable operation. The front panel location of the monito r- ing and control system enables the Operator to quic kly identify the current st atus of the UPS and to perf ...

  • Liebert 30-130kVA - page 16

    Theory of Operati on 8 2.0 T HEORY OF O PERATION 2.1 General Compone nt Description The UPS system includes all of th e equipment ne cessary to continuo usly provide computer- grade AC power to a critical load, even when there is a n interruption of the ut ility line power. It consists of the UPS modules and a back-up bat tery plant. Refer to Figur ...

  • Liebert 30-130kVA - page 17

    Theory of Operati on 9 2.2 Det ailed Component Descriptions 2.2.1 Controls Hardware The Npower UPS operator interface display system is designed to provide all o f the information that is required for the operation of each UPS module. The following is a list of the hardware features: 1. The control logic performs automatic operations with minimal o ...

  • Liebert 30-130kVA - page 18

    Theory of Operati on 10 2.2.2 Rectifier/Charger The UPS module rectifier/charger co nsists of input fuses, AC current -limiting circuit, battery equalize charge circuit, DC filter, battery charge-cu rrent-limiting circuit, and bridge rect ifiers. Operation The rectifier/charger converts the AC input power to DC power. This conversion is accomplishe ...

  • Liebert 30-130kVA - page 19

    Theory of Operati on 11 Operation Af ter End-of-discharge The battery time screen displayed on the control panel enables you to esti mate when battery shut- down will occur. You will have enough time to energi ze an alternate AC p ower so urce or to initiate an orderly shutdown of the cri tical load. If the battery plant discharges to the shutd own ...

  • Liebert 30-130kVA - page 20

    Theory of Operati on 12 Nonlinear Load Characteristics Computers and computer equipment with sw itching power supplies ge nerate nonlinear currents rich in fifth and seventh harmonics. The inverter pulse-width-modulated waveform, co upled with the output filter, provides a natural path for reducing the fifth and seventh harmonic currents produced b ...

  • Liebert 30-130kVA - page 21

    Theory of Operati on 13 T ransfer and Retransfer Conditions 1. Automatic Transfers to Bypass: Critical bus con ditions that wil l initiate an au tomatic transfer of the critical load from the UPS inverter output to the bypass source are: a. Output Overload: overcurrent co ndition in excess of the current -versus-time over load capacity curve. b. Ov ...

  • Liebert 30-130kVA - page 22

    Operation 14 3.0 O PERATION 3.1 Operator Controls The Npower operator controls and indicators are lo cated on the UPS Module Cabinet doo r and inside the cabinet. See Figure 2 . The Operator Control Panel is located in the upper lefthand co rner of the door, enabling the Operator to qu ickly identif y the current status of the UPS system and to pe ...

  • Liebert 30-130kVA - page 23

    Operation 15 Figure 3 Operator control p anel T able 2 Key locations on operat or control p anel Item Description Function 1 Emergency Power Off Button Turns po wer off in an emergency situation. 2 Display Screen Enables Operator to monitor power flow and meter readings, receive reports, and execute operationa l procedures. 3 Navigation Buttons Ena ...

  • Liebert 30-130kVA - page 24

    Operation 16 3.1.1 Operator Control Panel The Operator Control Panel enable s the op erator to perform the following tasks: • Obtain a quick indicati on of operational status: • Is the critical bus OK? • Is the UPS system OK ? • Is the battery available? • Is the bypass l ine available? • Monitor the power flow through the UPS system an ...

  • Liebert 30-130kVA - page 25

    Operation 17 The SELECT button is used to select a particular item from the o ptions on the screen. When you press this button, the screen that is se lected will be immediately displayed. The UP and DOWN buttons are used to move the cu rsor around the screen in order to high light appropriate selections. The ALARM SILENCE button silences the audibl ...

  • Liebert 30-130kVA - page 26

    Operation 18 3.2 Security Access and Passwords Password protection is provided in the Npower UPS system to prot ect you from any unauthorized con- figuration of the system . A default password is installed on yo ur system when you receive it.The default password is NPWR. It is important, howe ver, that you enter your own secure password as soon as ...

  • Liebert 30-130kVA - page 27

    Operation 19 3.3 Display Screens and Procedures The Operator Interface Display Syst em of the Npow er allows quick a ccess to any screen the operator chooses. The default screen is the Mimic Di splay Screen. MENU TREE The figure below shows the primary screens that you can access t hrough the Operator Interface Dis- play System. Figure 8 Menu tree ...

  • Liebert 30-130kVA - page 28

    Operation 20 Primary Screens The Main Menu has eight primary screens. Ple ase note that some screen s have multiple pag es because not all the informati on can fit on one page . To access the next pa ge , highlight NEXT and press SELECT. To acces s the previous page, highlight PREV and press SELECT. • Mimic Display. This graphic port rays the pow ...

  • Liebert 30-130kVA - page 29

    Operation 21 Main Menu Screen The Main Menu contains the primary menu selections that monitor and control the operation of the UPS. To access one of these screens, use th e NAVIGATIONAL BUTTONS beneath the scree n. First, press the UP or DOWN button until the desire d screen is hi ghlighted. Then press the SELECT button. From any screen, pushing th ...

  • Liebert 30-130kVA - page 30

    Operation 22 In this example, power is av ailable from the normal and bypass sou rces, as well as from the battery. Notice that the switching devices ar e all closed except for the bypass switch at the top. The load is operating on conditioned power from the inverter. Th e battery is bein g charge d by the rectifier. The static switch is operative ...

  • Liebert 30-130kVA - page 31

    Operation 23 In this example, the load is receiving power thro ugh the bypass switch. Noti ce that the input power source is available an d the battery is being charged. Figure 13 Monitor / mimic display screen example: load on by pass , UPS module off, service mode In this example, the power is coming from the bypass source throug h the bypass swi ...

  • Liebert 30-130kVA - page 32

    Operation 24 Det ailed Information Report s Detailed information reports are availa ble through the following numbered blocks 1. INPUT STATUS. To access this screen, start with th e Mimic Display Scre en. Using the arrow keys, bracket INPUT and pr ess SELECT. The screen displays the UPS in put voltage and current as well as additional information. ...

  • Liebert 30-130kVA - page 33

    Operation 25 The DC BUS/BATTERY status scre en disp lays the following real-time data: • DC Bus Vo lts •B a t t e r y V o l t s • Battery Current (Chg/disch) • Battery Temperature (This readin g is the temperat ure of the ambient air in the battery cabinet.) • Battery Time Remaining 3. BYPASS INPUT . Selecting BYPASS from the Monitor Mi m ...

  • Liebert 30-130kVA - page 34

    Operation 26 The Output/Load status screen disp lays the following real-time data: • Output AC Volts AB, BC, CA • Output AC Volts AN, BN, CN • Output Current A, B, C • Output kVA, kW, A , B, C • Output Frequency • % rated kV A and kW • Overload Condi tion (with timer in s econds) 5. SYSTEM STATUS . When the SYSTEM STATUS box on the Mi ...

  • Liebert 30-130kVA - page 35

    Operation 27 3.3.2 St artup There are two start up scenarios wh ich can be fo llowed depen ding on whether there is already power supplied to the UPS and the UPS is o n Bypass, or there is no power to the UPS. Follow the appropri- ate instructions. First Scenario Power is not supplied to the UPS (U pstream breakers are open). Locate the Rotary Swit ...

  • Liebert 30-130kVA - page 36

    Operation 28 Second Scenario Power is supplied to the UPS and the UPS is supply ing the load. (Upstream breakers are closed). The UPS should be showing either the SYSTEM RATINGS screen or the Mimic display. If the SYS- TEM RATINGS screen is showing, us e the arrow keys to select SAVE & EXIT and push SELECT. This will advance you to the USER SET ...

  • Liebert 30-130kVA - page 37

    Operation 29 Manual St artup On occasion, a service technician may wish to start the UPS manua lly while performing diagnostic testing. The manual startup, like the auto startup, requires that the Rotary Switch be in the NO R- MAL position. To start the system manually, highlight MANUAL STARTUP and press the SELECT button on the navigation bar. Th ...

  • Liebert 30-130kVA - page 38

    Operation 30 New Target and Ramp settings are temporary sett ings for diagnostic testing or special situations. Each time the UPS is placed onli ne, the settings return to the defa ult values. Custom T and R ent ries are only allowed when rotary swi tch is in Bypass position. The Operator normally does not hav e to change Target and Ramp settings. ...

  • Liebert 30-130kVA - page 39

    Operation 31 Figure 28 External maintenanc e bypa ss switch, single-input UPS The table below summarizes the External Maintenanc e Bypass switch posi tions and actions. When the External Maintenance Bypass switch is in Bypass or Maintenance position, the UPSC will assert the bypass contactor close signal and the outpu t contactor open signal. It wi ...

  • Liebert 30-130kVA - page 40

    Operation 32 External Maintenance Bypass Switch Configurations The External Maintenance Bypass Swit ch has three conf iguration options: • External maintenance by pass installed w ith interlock option • External maintenance bypa ss installed wi thout interlock o ption • Not installed Regardless of how the configuration is set, if the auxiliar ...

  • Liebert 30-130kVA - page 41

    Operation 33 3.3.3 Shut down To shut down the UPS, navigate to the MAIN MENU, and select STARTUP/SHUTDOWN. Thi s action will disp lay the STARTUP/SHUTDOWN sc reen. From there, highlig ht USER SHUTDOWN and press SELECT. The following figure will appear. Figure 30 User shut down screen The Operator can invoke two types o f shutdowns from this interfa ...

  • Liebert 30-130kVA - page 42

    Operation 34 The message Retransfer to UPS or Transfer to Bypa ss will appea r depending on status of th e critical load. The operator has two choices: Either to accept OK or EXIT. If a transfer or retransfer is not allowed, the FLASHING messa ge Transfer Not Allowed is displayed. Press EXIT to return to the MAIN MENU. For more information, see 3.3 ...

  • Liebert 30-130kVA - page 43

    Operation 35 Event Log The Event Log screen displays the faults, alarms, and status messages. Every message will have a time and date stamp. The Event Log is a sequence of messages or events capt ured in individu al frames. See the following section on HISTORY LOGS fo r mo re information about frames. The following three screens show the last 3 in ...

  • Liebert 30-130kVA - page 44

    Operation 36 Histor y Logs The History log contains pertinent data recorded just before and after an event that triggers a signifi- cant action such as an inverter failure.There are tw o History logs, each consisting of 64 frames. Each frame is a sequential sn apshot of UPS-generated parameters. The UPS records these frames continu- ously at 4 mill ...

  • Liebert 30-130kVA - page 45

    Operation 37 The second page is the STATUS, wh ich includes: • Static Bypass Switch Line (Open/Closed) • Static Bypass Switch Load (Open/Closed) • Input Contactor (Open/Closed) • Output Contactor (Open/Closed) • Trap Filte r (On/Off) (If i nstalled) • Int. MBP (Normal/ Bypass Service) • Ext. MBP (Open/Closed) • Battery CB (Open/Clos ...

  • Liebert 30-130kVA - page 46

    Operation 38 As previously mentioned, fau lts are shown in rev erse video, and alarms in regul ar video. For a com- plete list of all the alarm messages and co rrective actions for these faults, refer to Table 7 - Alarms, functions, and corrective a ctions . The History Status buffer does not resume coll ecting new frames until the fault is cleared ...

  • Liebert 30-130kVA - page 47

    Operation 39 System Ratings System rating parameters are normally entered by the factory or LGS. To get to the System Rati ngs screen, begin at the Main Menu. Using the arrow key s, move to Config- uration and press SELECT. This brings up the Configuration screen. (See Figure 40 ). From the Configuration screen, highli ght System Ratings and press ...

  • Liebert 30-130kVA - page 48

    Operation 40 System Settings The System Settings are multiple screens that are used for setting the date, time, language, ID num- ber, Tag number and other parameters. The first page of the System Settings screen can be accessed by highli ghting Systems Settings on the Configuration screen ( Figure 40 ) and pre ssing SELECT. Figure 43 System settin ...

  • Liebert 30-130kVA - page 49

    Operation 41 Time To set the system's real time clock, do the following: 1. From the System Configuration screen, press th e Up or Down button to move the highlighted cursor to TIME. 2. Press SELECT. The TIME screen will appear. 3. Press SELECT to move the arrow to the next digit to the right. 4. When the arrow is on the digit to be changed, p ...

  • Liebert 30-130kVA - page 50

    Operation 42 Figure 47 System settings, p age 3 The Single / Dual Input Screen is passw ord protected. (See 3.2 - Securi ty Access and Passwords for more information on Security Access and Passwords .) After highlighting Si ngle / Dual Input from the System Settings Screen, and pressing SELECT, the followi ng screen will appear. Figure 48 Enter pas ...

  • Liebert 30-130kVA - page 51

    Operation 43 Options This multiple -page screen, access ed from the th ird page of the SYSTEM SETTINGS screen, enables and disables optional features wh ich might or migh t not be i nstalled in your UPS. To enabl e or dis- able one of these opti ons, d o the foll owing: 1. Highlight the option you wi sh to enable or disable. 2. Press UP or DOWN to ...

  • Liebert 30-130kVA - page 52

    Operation 44 Figure 52 Options screen, p age 2 Figure 53 Options screen, p age 3 Figure 54 Options screen, p age 4 OPTIONS 12 PULSE RECTIFIER 6 PULSE BA TTERY GND F AUL T NO GREEN MA CH INE NO LINE DROP COMPENSA TION NO PREV . EXIT NEXT FREQUENCY CONVERTE R NO OPTIONS AL TERNA TE POWER POLE F AN NO AUX. TEMP . NO SF A NO MOTORIZED BA TT . BREAKER M ...

  • Liebert 30-130kVA - page 53

    Operation 45 Communication Options Communication options are the variou s options that enable the operat or to view data from remote locations and to program the type of data to be viewed. Fo r detailed informat ion, see Section 3.5 - Communication Interfaces . The communication options screens can be accessed from the third page of the System Sett ...

  • Liebert 30-130kVA - page 54

    Operation 46 To enable the modem, highlight INTERNAL or EXT ERNAL and press SELECT. The Auto Dial screen will return ( Figure 56 ) except instead of DISABLED, the me ssage will read INTERNAL or EXTER- NAL. After enabling the modem, the Operator can procee d to configure Auto Dial settings at the AUTO DIAL screen. To input the phone number for the p ...

  • Liebert 30-130kVA - page 55

    Operation 47 Figure 60 Communications options scr een, pag e 2 Select NEXT to go to the Communi cation Options screen, third page. User Settings The User Settings are accessed from the Configuration Screen ( Figure 40 ). Figure 61 User settings scr een, p age 1 Figure 62 User settings scr een, p age 2 COMMUNICA TION OPTIONS REMOTE ALARM #2 NO REMO ...

  • Liebert 30-130kVA - page 56

    Operation 48 Figure 63 User settings scr een, p age 3 Figure 64 User settings scr een, Page 4 Figure 65 User settings scr een, p age 5 USER SETTINGS BA TT . EO D RAMP S T ART 15 BA TT . EOD RAMP END 60 BA TT . TEMP . ALARM LIMIT 40 BA TT . COMP ARTMENT TEMP . LIMIT 50 INPUT PLL PHASE ADJUST 0.0 SA VE & EXIT CANCEL PREV . NEXT USER SETTINGS INPU ...

  • Liebert 30-130kVA - page 57

    Operation 49 Highlighting 10% PASSIVE FILTER SETTINGS will bring up the following Operator--interactive screen. Figure 66 10 % Passive filter settings screen Figure 67 User settings scr een, p age 6 Factory Settings Figure 68 Factory settings screen 10 % P ASSIVE FIL TER SETTINGS 10 % P ASSIVE FIL TER ENABLED EXIT FIL TER PREFERRED ST A TE OPEN USE ...

  • Liebert 30-130kVA - page 58

    Operation 50 Figure 69 Factory settings scre en, page 2 Figure 70 Factory settings scre en, page 3 Alarm Mask The Alarm Mask sets parameters for all alarms th at affect the UPS and output channe ls. The pro- grammable attributes are described below. The letters L, D, F and E in Figure 71 refer to these fea- tures, allowing the operator to de termin ...

  • Liebert 30-130kVA - page 59

    Operation 51 Delay This refers to the time in seconds that must occu r before the UPS recognizes an alarm function. The delay can be anywhere from 0 to 99.9 seconds in 0.1 second intervals. If an alarm is set to Latch, it will only recognize the alarm an d latch after the delay period. Figure 71 Alarm / fault name screen The Alarm / Fault Name Scre ...

  • Liebert 30-130kVA - page 60

    Operation 52 To change the programmable attributes, highlight th e attribute to be edit ed and press the SELECT button. This action brings up a scree n allowi ng the Op erator to toggle between YES and NO. AUTO DIAL The Npower UPS can automatically dial (through the optional modem) each of two pre-programmed telephone numbers (up to 12 digits ) whe ...

  • Liebert 30-130kVA - page 61

    Operation 53 Figure 73 Cust omer alarm interf ace screen If there is no board, the “NOT INSTALLED” message is displayed. 3. Pressing NEXT will brin g up the second page. Figure 74 Cust omer alarm interf ace screen, page 2 To access the Programmable Relay Board #1, highli ght RELAY BOARD #1 from the first page of the CUSTOMER ALARM INTERFACE scr ...

  • Liebert 30-130kVA - page 62

    Operation 54 To change the relay assignment, select RELAY ASSIGNMENTS from the screen and press SELECT. The following screen will appear. Figure 76 Relay assignment s If you select STD SET, the foll owing screen will be disp layed. Figure 77 Programmable output rela y board, st andard set Figure 78 Programmable output rela y board, stan dard set, p ...

  • Liebert 30-130kVA - page 63

    Operation 55 If the Operator selects USER DEFINED from the RELAY ASSIGNMENTS screen, the following screen will come up. Figure 79 Programmable output rela y board, user defined All User De fined relays are programmable. To begin programming the User Defined Relays, high light the relay to be programmed and press the SELECT button. This action will ...

  • Liebert 30-130kVA - page 64

    Operation 56 Navigating Protocol For the screen above and others like it, the normal screen navigation rules ar e changed. It is impor- tant to differentiate between the selections at the bottom of the displa y screen (UP/DO WN/ADD/ REMOVE/CLEAR/EXIT) and the navigation buttons or arrow keys below th e disp lay screen. To scroll up the Alarm/Fault ...

  • Liebert 30-130kVA - page 65

    Operation 57 Figure 82 Manual transfer / retransfer screen when transf er is not allowed In the figure above, the message “TRAN SFER NOT ALLOWED” will be flashing. 3.3.7 Battery Management The Battery Management screens disp lay info rmation on battery self tests, battery equa lization, bat- tery temperature, and battery cycl e monitoring. This ...

  • Liebert 30-130kVA - page 66

    Operation 58 The following conditions and features apply to either Au to or Manual Mode: • If you go to the battery screen, it will indicate “Battery Test in Progress”. When the test is com- plete, the indication “L as t Battery Test” will eith er say “Battery Test Passed” or “B attery Test Failed.” • One of two alarms are logge ...

  • Liebert 30-130kVA - page 67

    Operation 59 To enable the Auto Battery Self Test, Select “Auto Test Enabl e” from the Battery Test scre en. Next, set the Date and Time at which the first test will be performed. Set the Test Cy cle period in weeks. (The range is 2-9 weeks and the default is 2 weeks. ) Finally, set the Test Du ration time in seconds according to the table abov ...

  • Liebert 30-130kVA - page 68

    Operation 60 Figure 88 Battery equalizer scr een From the Battery Equalizer Screen, you can choose one of the four op tions on the screen. The screens for these options are illustrated below. Figure 89 Auto screen AUTO MODE —When the battery recharge control logic is in the AUTO MODE, the UPS battery charger attempts the equalization process only ...

  • Liebert 30-130kVA - page 69

    Operation 61 Figure 91 Equalize time period screen When the battery is at full voltage (not being recharged), this selectio n reads EQUALIZE TIME PERIOD (hrs). Wh en the battery is recharging, this select io n reads EQUALIZE TIME REMAINING (hrs). After the equalize recharge time has expired, the indication re turns to the preset equalize time. Figu ...

  • Liebert 30-130kVA - page 70

    Operation 62 To enable or disable the Battery Temperature Cha rge, highlight the to p line in the screen ab ove and press the SELECT button. This will bring up th e following screen. Figure 94 Battery temperat ure compensation enable/d isable screen To access page 2 of the Battery Te m p Compensation Charge Screen, press NEXT on the Battery Temp Co ...

  • Liebert 30-130kVA - page 71

    Operation 63 Figure 97 Battery cycle monitor scr een The second page, accesse d by selecting NEXT ( See Figure 98), allows the Operator to view the Sum- mary Page and to erase the BCM time bucket data permanently from the non-volatile storage. (This action requires the system password.) The Operator can also erase the summary information as well, p ...

  • Liebert 30-130kVA - page 72

    Operation 64 Selecting the TIME button will display the time stam p of each cycle for three seconds after which it repaints the column with DATE stamps agai n. Figure 99 0-30 seconds discha rge cycles SUMMARY PAGE LAYOUT The Summary Page Screen is accessed fr om the Battery Cycle Monitor Screen. The BCM summary page includes the f ollowing informat ...

  • Liebert 30-130kVA - page 73

    Operation 65 BCM DATA DEFINITIONS / STORAGE At the start of every discharge cycle, Time and Date are recorded along with Battery Compartment Temperature in degrees C. While th e cycle is in progress, the follow ing data are stored: Lowest DC Bus Voltage, Battery KW Hours, an d Highest Battery Discharge AMPS. At the end of the cycle. all of these pa ...

  • Liebert 30-130kVA - page 74

    Operation 66 Highlight BATT TIME LOW WARNIN G and press SELECT to bring up the following password- pro- tected screen. Figure 102 Battery time low warning screen. After setting the time, press SELECT to save th e changes and return to the previous screen. Battery Supplement This feature allows th e UPS to continue to supply power to the output from ...

  • Liebert 30-130kVA - page 75

    Operation 67 Figure 103 Auto rest art setting screen The source qualification timer dict ates how long to allow for in put and bypass voltages to return to their nominal limits. The default value is 100 with a prog rammable range of 5-100 minutes. Since a setting of 100 signifies an infinite wait time, the finite range can be set between 5 and 99 m ...

  • Liebert 30-130kVA - page 76

    Operation 68 3.3.9 System S tatus Monitoring In addition to the stan dard UPS metering and al arm information, Npow er monitors and cal culates other relevant data. This data can be accessed by starting from the Main Menu, selecting Status Reports, then System Status. The counters start from the time LGS or in specia l cases the contractor complete ...

  • Liebert 30-130kVA - page 77

    Operation 69 The Sign Off Date segu es to Sign Off Time and back every 5 se conds. Figure 106 System st atus screen, p age 2 Figure 107 System st atus screen, p age 3 A brownout occurs when an Input Un dervoltage condition exists for mo re than 5 minutes. During this time, Input Line Fail condition is not active. To determine the brown out count, h ...

  • Liebert 30-130kVA - page 78

    Operation 70 Once the “UPS Sign Off” is acknowledged, it is st amped with RTC time and date. This step must be performed by LG S personnel. The software will k eep track of the elapsed hours from that point on by subtracting the curre nt time and date from the sign off time and date. Accumulated Operating Hours on UPS With output contactor clos ...

  • Liebert 30-130kVA - page 79

    Operation 71 3.4 Fault s, Alarms, St atus This section de fines the active f a ult, alarm, and status indi cators, their causes, and the associated system operations performed upon their detection. 3.4.1 Fault s A fault is d efined as an undesirable system operating condition that could cause further damage to the system or pote ntially drop the lo ...

  • Liebert 30-130kVA - page 80

    Operation 72 The following faults are de tected by the UPS cont rols. Corrective actions, where possible, are auto- matic. • Active Filter Fail • Batter y Overtemp CB Tr ip • Battery Ground Fault CB Tri p • Bypass Power Supply Fail • EPO Shutdown • Heatsink Overtemp Limit • Input Power Supply Fail • Output Power Supply Fail • Outl ...

  • Liebert 30-130kVA - page 81

    Operation 73 Highlight the SELECT position on the display screen to bring up the Summary Alarm Editing screen, allowing the Operator to edit th e parameters of the summary alarm. Figure 1 10 Summary alarm editing screen When the New Alarm, System Summary Alarm, or Module Summary Alarm is activated, you can get more information at the Operator Displ ...

  • Liebert 30-130kVA - page 82

    Operation 74 Alarm Messages The alarm message area displays the ala rm conditio ns that are present within the UPS system. The table below show s the default values of ma sks for each alarm/fault, the me aning of the Alarm and possible corrective actions. The following information applies to the table. 1. Latch Masks, Dial Masks and un shaded Event ...

  • Liebert 30-130kVA - page 83

    Operation 75 Trap Fuse Fail Trap Fuse Fail Fault NO YES NO YES On units equipped with an input fi lter, Control Logic has determined that one or more of the filter fuses is open. The logic will open the In put filter contactor. The UPS will continue to run, wi thout input filterin g. Contact Liebert Global Service to check and repair the input filt ...

  • Liebert 30-130kVA - page 84

    Operation 76 Inverter Ovld xfer Inverter Overload Transfer Fault YES YES YES YES With the load on UPS, at least one ph ase of the UPS KVA or KW has e xceeded the rated KVA, KW, or RMS current vs. Time equation. (Note: This fault would h ave been preceded by an “Inverter Overload Phase x alarm.) The UPS will transfer the load to Static Bypass if i ...

  • Liebert 30-130kVA - page 85

    Operation 77 Inv I limit xfer Inverter Current Limit Transfer Fault NO YES NO YES The instantaneous inverter current of any one phase has exceeded its Pulse by Pulse current limit value. An “Inverter Current Limit” alarm was already issued and pulse parallel operation wa s in itiated. At the end of pulse parallel the load cu rrent has not be re ...

  • Liebert 30-130kVA - page 86

    Operation 78 Hsink ovtemp limit Heatsink Overtemp Limit Fault YES YES YES YES The maximum heat sink temperature li mit has been exceeded. (Sho uld be preceded by a “Heatsink” Overtemp Warning alarm). The load will be transferred to the Static Bypass if available. If the lo ad was already on SBS when this alarm occurred, the system will shut dow ...

  • Liebert 30-130kVA - page 87

    Operation 79 Rectifier Fail Rectifier Fail Fault YES YES YES YES This is a summary e vent based on the detection of at least one of these faults being active: Battery Overcharge; DC Overvoltage Steady State; DC Overvoltage Transient; DC Undervoltage Steady State; Delta-Wye Current Im balance; Rectifier Fuse Fail; Rectifier Drive 1 Fail; Rectifier D ...

  • Liebert 30-130kVA - page 88

    Operation 80 Batt Discharging Battery Discharge Alarm NO YES NO YES The batt ery is dischar ging. This occurs whenever the battery supplies po wer to the load for more than five seconds because of input power failure, a recti fier problem, or an overload condition. If the inpu t power or a source of auxiliary power is restored to the UPS module, th ...

  • Liebert 30-130kVA - page 89

    Operation 81 Input OverVoltage Input Over Voltage Alarm NO NO NO YES For all of these input problems the system will supply power from the battery until the end of discharge. At that point single inpu t systems will lose power to the load. Dual input systems will atte mpt to transfer to bypass if qualified and available . Call Liebert Global Servic ...

  • Liebert 30-130kVA - page 90

    Operation 82 SBS Ovld Phase A SBS Overload Phase A Alarm NO NO NO YES With the load on Static Byp ass, the phase A output kVA or kW or RMS current has exceeded 115% of the nominal pe r-phase kVA or kW or RMS cu rrent rating. The UPS will show time remaining until a shutdown will occur, per the Overload vs. time curve. The alarm will clear when the ...

  • Liebert 30-130kVA - page 91

    Operation 83 Inv Ovld Phase C Inverter Overload Phase C Alarm NO YES NO YES With the load on UPS, PhaseB output KVA or KW or RMS current has exceeded 105% of the nominal per phase rating. The UPS will begin sending the time remaini ng until a transfer or shutdown will occur, per the Overload vs. Time Curve. The alarm condition will clear when the o ...

  • Liebert 30-130kVA - page 92

    Operation 84 Batt Gnd Fault Battery groun d fault alarm Alarm NO YES NO YES With the Batt Gnd Fault optio n installed and the batt breaker closed, the DSP sees its BGF input asserted by the SWGR. No action required. Aux Ovtemp Warning Aux Overtemp Warning Alarm YES YES NO YES With the Auxiliary temp sensor installed, it is reading 85% or more of th ...

  • Liebert 30-130kVA - page 93

    Operation 85 System Fan Fail System Fan Fail Alarm NO YES NO YES A fault in the de signated Fan motor has occurred. This condition only causes an alarm, but if not promptly corrected it could cause an equipment o ver-temperature condition that would shut do wn the UPS Module. Check the Fans for proper operation. Contact Liebert Globa l Services to ...

  • Liebert 30-130kVA - page 94

    Operation 86 Delayed Batt Charge Delayed Battery Charge Alarm NO NO NO YES The generato r option is installed, the system is on generator and the “Delayed Battery Charge” is suppressing battery charging to reduce the load on the generator. Reduced I Limit Reduced Current Limit Alarm NO NO NO YES The UPS recognizes that the so urce is a generato ...

  • Liebert 30-130kVA - page 95

    Operation 87 Auto Restart Failed Auto Restart Failed Alarm NO NO NO YES If Auto Restart feature is installed and enabled, and the last shutdown was due to a failed Batt Low Transfer, the Monitor will automatically attempt to perfo rm the “normal” startup sequence when power is reapplied to norma l value. This alarm is issued if the restart coul ...

  • Liebert 30-130kVA - page 96

    Operation 88 3.4.3 St atus Status conditions give the Operator addi tional knowledge about UPS operation. Some are indicated on the Mimic Display screen by a text message while others are depi cted graphically. The following status messages may appear in the Operator disp lay. • Static Switch Connected. The static switch is conne cted (the discon ...

  • Liebert 30-130kVA - page 97

    Operation 89 3.5.1 RS-232 Port: Local Reporting T erminal The Npower transmits UPS system status and history information to a remote terminal through an RS-232 Port in ASCII Format. This fe ature is call ed the Service Terminal. Th e service terminal inter- face is intended to be accessed via PC terminal emulation software like Procomm Plus, Micros ...

  • Liebert 30-130kVA - page 98

    Operation 90 Requesting Information If your Npower UPS is equipped with a modem and telephone lin e, you can call the UPS and receiv e system status and historical informati on. You can pl ace the call from either a remote terminal or a personal computer with a communications program. Follow the instructions for your terminal or your communications ...

  • Liebert 30-130kVA - page 99

    Operation 91 PROTOCOL The pager module uses the Telocator Alphanumeric Protocol (TAP), which is the protocol used for SkyTel pagers. A copy of this prot ocol is included with th e pager option. Pager suppo rt requires the same hardware that modem su pport requires. The internal modem is quite adequate. Since the pager option use s the same modem th ...

  • Liebert 30-130kVA - page 100

    Operation 92 3.5.5 Setting Up External Communication Devices All external communication devices, including the modem, are o ptional equipment. Connections to communication ports are made by wiring cables to terminal boards. Connectio n points are shown on the Control Wiring Interconnect Diag ram in the Installation Manual. Contact Liebert Global Se ...

  • Liebert 30-130kVA - page 101

    Operation 93 Figure 1 13 Load on byp ass (UPS available and batter y charging) 3.6.3 Moment ary Overloads An overload in the critical load will continue to be supplied by the UPS system if the overload condi- tion does not exceed the cu rrent versus time curve of ov erload capacity for the UPS. For momentary overloads exceeding 200% of rated sy ste ...

  • Liebert 30-130kVA - page 102

    Operation 94 3.6.5 Automatic Operations The Npower UPS is designed to f unction while attended or unattend ed by an Operator. The system control logic monitors the performance of the UPS, the availabili ty of power s ources, and the current required by the critical load. Automatic UPS ope rations are described in the following sections. Overloads T ...

  • Liebert 30-130kVA - page 103

    Operation 95 Automatic Module Off Line For specified UPS system faults, the control logic will initiate an automatic transfer to bypa ss fol- lowed immediately by a shutdown and isolation of the UPS system. All UPS contactors and the bat- tery circuit breaker are opened. The static bypass switch will close if the bypass li ne is available. Note tha ...

  • Liebert 30-130kVA - page 104

    Maintenance 96 4.0 M AINTENANCE 4.1 Safety Precautions Observe the safety precautions in 1.0 - Introduction . ONLY qualified service personnel should perform maintenance on the UPS system . Observe ALL of the warnings and cautions belo w before performing ANY maintenance on the UPS System and associated equipment. Also observe the manufacturer&apos ...

  • Liebert 30-130kVA - page 105

    Maintenance 97 4.2 Routine Maintenance You are encouraged to become thoroughly familiar wi th the equipment, but at no time should you go beyond the specific procedures in this manual wh ile performing maintenanc e or correcting a malfunc- tion. If you have any doubt as to what must be done, call Liebert Global Services at 1-800-LIEBERT for further ...

  • Liebert 30-130kVA - page 106

    Maintenance 98 4.2.4 Battery Safety Precautions Servicing of batteri es should be performed or supe rvised by personnel expe rienced with batt eries and the required precautions. Keep unauthorized person nel away from batteries. When replacing batteries, use the sa me number and type of batteries. Regular maintenance of the battery module is an abs ...

  • Liebert 30-130kVA - page 107

    Maintenance 99 The equalizing charge time period is adjustable from zero to 72 hours and can be initiated automati- cally or manually . Refer to Battery Equalizer on page 59 . * To be completed by Liebert Global Services customer engineer at time of start-up. 4.2.5 T orque Requirements All electrical connect ions must be tight. The next Table provi ...

  • Liebert 30-130kVA - page 108

    Maintenance 100 4.3 Detecting T rouble It is important that the operator check the inst rument readings if abnormal equipment performance is suspected. Any metered valu e that differs appre ciably from no rmal could mean an impending mal- function, and should be investigated. Items to check on the variou s UPS display screens include: 1. Output vol ...

  • Liebert 30-130kVA - page 109

    Maintenance 101 NOTES ...

  • Liebert 30-130kVA - page 110

    Maintenance 102 ...

  • Liebert 30-130kVA - page 111

    ...

  • Liebert 30-130kVA - page 112

    EmersonNetworkPower.com Ensuring The Hi gh Av ailabi lit y 0f Mission-Critic al Dat a And Appli c ations. Emerson Net work P ower , the global leader in enabling business-critical continuity , ensures net work resiliency and adaptability through a family of technologies—inc luding Lieber t pow er and cooling technologies—that prot ect and suppo ...

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