Liebert Nfinity manual

P OWER A VAILABILITY Nfinity ™ P o w er System U SER M ANUAL 208 / 240 V 60 Hz 4 to 16 kV A[...]

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i T ABLE OF CONTENTS I MPORT ANT S AFETY I NSTRUC TIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 G LOSSARY OF S YMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.0 I NTRODUCTI ON 1.1 General Description . . . . . . . . .[...]

ii 3.5 Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.5.1 UPS Status Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.5.2 UPS Configuration Screen . . . . . . . . . . . . . [...]

1 I MPORT ANT S AFE TY I NSTRUCTIONS SA VE THESE INSTRUCTIONS This manual contains importa nt inst ructions that should be clos ely followed during installation and maintenance of this UPS unit and during the inst allation and replacement of Power and Battery Modules. This product is designed for Commercial / Industrial use only. This product is no[...]

2 G LOSSARY OF S YMBOLS Risk of electrical shock Indicates caution followed by impor tant instruct ions AC input AC output Request s the user to consult the manual Indicates the unit cont ains a valve-regulat ed lead acid battery Recycle DC volt age Equipment grounding conducto r Bonded to ground AC volt age OFF ON St andby No telecommunicat ion co[...]

Introd uction 3 1.0 I NTRODUCTION 1.1 General Description Congratulations on your purchas e of Liebert’s Nfinity™ Uninterruptible Power Sy stem. As with every other Liebert product, we stand behind our qu ality. If you have any questions concerning this UPS, please feel free to contact your local dealer or Liebert representative or call the app[...]

Introd uction 4 Figure 1 Front and back views (12 bay model shown) Refer to the table below for size and fully popul ated weight considerations. T able 1 Nfinity weight and dimensions Model Max Weight - lb (kg) W x D x H - in. (mm) 8 bay 855 (388) 20 x 28 x 40 (5 08 x 711 x 1016) 12 bay 1176 (534) 20 x 28 x 53 (508 x 711 x 1346) ESC ! User Interfac[...]

Introd uction 5 1.2 Modes of Operation Normal Mode The Power Module rectifiers derive power from a util ity AC source and supp ly regulated DC pow er to the inverter. The module’s inverter regenerates precise AC power to supply the connected equipment. The battery charger is in the Power Module an d maintains a float-charge on the batteries. Back[...]

Introd uction 6 1.3 Major Component s The following is a ge neral description of each compo- nent and its functions. Pl ease review this section carefully, as it w ill give you a better understanding as to how the Nfinity operates. 1.3.1 Unit Frame The front of the Nfinity consists of a series o f plastic bezels. By grasping these bezels from the l[...]

Introd uction 7 1.3.4 Power Module Each power module is an independen t 4 kVA, 2.8kW unit, consisting of a power factor corrected recti- fier, battery charger and inverter, with associated monitoring and control circuitry. The modules are paralleled to provide gr eater capacity and/or redundancy. Modules may be added or replaced on-li ne with no in[...]

Installation 8 2.0 I NST ALLATION 2.1 Inspection Upon receiving the UPS, examine the packaging for any signs of mishandling or damage. If any dam- age is noted, call your local dealer or Lieb ert representative and/or notify your carrier. 2.1.1 Environment 2.1.2 Required Setup Equipment The tools below are require d to properly set up your UPS: •[...]

Installation 9 2.2 Unloading 2.2.1 Unloading the UPS ! CAUTION 2. Remove the metal ramp from the bottom of the UPS. This UPS is very heavy (see weight in Table 1 ). At least two people sho uld assist in unloading it from the pallet. 3. Fit the ram p flange in the slot in the rear of the pallet (back of unit) as shown below. 1. Use a ratchet or wren[...]

Installation 10 5. Once the U PS is in the desired location , adju st the leveling feet to secure its position. 2.2.2 St ationary Mounting Additional sta bility can be ad ded by bolti ng the mounting brackets (used i n shipping) to the floor, as shown below left . For greater stability, use a higher-grade bolt. Refer to the dimensions above ri ght [...]

Installation 11 2.3 Cable Inst allation 2.3.1 Wiring Prep aration Removing the Cover Plates On the back of the UPS, cover plates are over the input and output terminals, as shown at right. Keep screws and plates to one side. Configuring the Byp ass V olt age (TB2) The UPS voltage is factory-set to 208 V. Should the user h ave a utility supply of 24[...]

Installation 12 Input Wiring (TB1) To connect the input wiring, foll ow these steps: 1. Locate the input wiring access, remove the knockout and pull the three input wires thro ugh it, all owing some slack for installation. 2. Secure the conduit to the rear panel of the UP S. 3. Input Power cables connect to screw terminals on the Input Terminal Blo[...]

Installation 13 2.3.2 Connecting to External Panel Boa rds The following instructions are al so ship ped attached to the rear of the unit. INPUT CABLING AND PROTECTION T able Below Applies to 4 - 16 kV A Scalable Systems: St and-alone UPS or UPS equipped with a Maintenance Byp ass Cabinet (Wit hout T ransformer) UPS With Maintenance Byp ass Cabinet[...]

Installation 14 OUTPUT CABLING UP S O ut pu t T er mi na l Bl ock (T B3 ) Connection to External Panel Boards 208 V AC If connected equipment operates at 208 V AC only , use a single-phase panel board connected to the UPS as follows. 208 V AC and 120 V AC If connected equipment is a combination of 208 V AC and 120 V AC, use a three-phase p anel boa[...]

Installation 15 2.3.3 REPO Connection The Nfinity is equipped wi th a Remote Emergency Power Off (REPO) connection. Figure 2 REPO switch connections NOTE A jumper is factory installed between pins 1 & 2 to disable the Control Switch (SW2). This will prevent the unit from being start ed during installation. This jumper must be removed in ord er [...]

Installation 16 2.4 Communications 2.4.1 COM Port s Nfinity is able to communicate through multi ple communication ports simultaneous ly. Use only Liebert-provided communi cation cards. Connect only Signal Edge Low Voltage (SELV) / Class 2 cir- cuits when connecting to any communication port. There are two DB-9 COM ports availa ble on the rear of t[...]

Operating Instru ctions 17 3.0 O PERATING I NSTRUCTIONS 3.1 Controls and Indicators 3.1.1 Display Controls The User Interface Module informs you of the stat us of the UPS and lets you configure the UPS to your own needs or preferences. The module consists of a series of Status LEDs, an LCD display window (four lines of 20 charact ers each), and b u[...]

Operating Instru ctions 18 3.2 St atus LED Modes 3 .3 Navigating the Menu To review or change any settings on the UPS, use the buttons on the User Interface shown at left. Because some menus contain more t h a n f o u r r o w s o f i n f o r m a t i o n , y o u m a y s e e a n arrow on the display pointing up or down (as shown belo w)—indicating [...]

Operating Instru ctions 19 3.4 Operating Procedures 3.4.1 St art-Up and Initializatio n Follow these steps to start up the UPS. 1. Ensure the manual bypass switch is in UPS position. Close Input Circuit Breaker (CB1) and close the Contro l Enable Switch (SW2). You should see the following on the LCD display window : 2. Press or button. 3. Press to [...]

Operating Instru ctions 20 3.5 Main Menu After initia lization, the bu tton will take you to the Main Menu. From here you may check on the status of the UPS, review the event log and active alarms, configure your UPS and even receiv e instructions on repla cing modules. The Main Menu is divided into eig ht sub-menus as shown below: Use the and butt[...]

Operating Instru ctions 21 3.5.1 UPS S tatus Scre en From the Main Menu the user may select UPS Stat us and press . Once at the UPS Status Screen, the user may access any in formatio n on the present condition of the UPS. Note the chart below w hen reviewing the UPS. Main Menu > UPS Status UPS Configuration Display Date/Time Event Log Active Ala[...]

Operating Instru ctions 22 3.5.2 UPS Configuration Screen Review Settings Follow this procedure to review y our UPS config uration settings. Follow the menus below by pressing and to review the settings. Main Menu UPS Status > UPS Configuration Display Date/Time Event Log Active Alarms Transfer to Bypass Module Replacement Service Tools UPS Conf[...]

Operating Instru ctions 23 Change Configuration Settings - Change Settings Menu Starting from the Main Menu, locate and press UPS Configuration. From the UPS Configuration screen, select the Change Settings option. You may configure Nfinity from a large variety of selec- tions. Items indicated by an aste risk (*) a re the selected settings. Input V[...]

Operating Instru ctions 24 Auto Battery Test: Configure when and how often the Nfinity’s automatic battery test will run. This test is designed to ensure ba ttery system integrity and provide early warning of problems. Low Battery Warning: Notifies user how much run time is available. Can be set from 1 to 30 minutes. Auto Restart: Automatically r[...]

Operating Instru ctions 25 Set Date/Time: Allows user to enable/disable DST (Daylight Saving Ti me), change the Day, Date and Time setting on Nfinity. When enabled, the time will automatically adjust to Daylight Saving Time. Max Load Alarm Set: Allows an alarm to set when Nfinity’s load reaches a specif ic level. UPS Shutdown Delay: Delays UPS sh[...]

Operating Instru ctions 26 Bypass Alarm Mode: Allow s the user to enable/dis- able alarm, indi cating that the bypass is no t quali- fied. Intelli-Battery Ca.: Allows the user to enter the quantity of intelligent ba ttery cabinets installed. Air Filter Reminder: Allows the user to set a warn- ing reminder to ch eck the air filters. Guarantee Shutdo[...]

Operating Instru ctions 27 UPS Configuration Screen - Service Mode Menu Service Mode contains site identi fication information about the UPS system. The data is entered by Liebert Glob al Services (LGS ). To view the data, go to the Main Menu, select UPS Configuration and press . Next, select Service Mode and press . Set Site ID: Press to return to[...]

Operating Instru ctions 28 3.5.4 Event Log Accessing the Event Log enables the user to scroll through the Nfinity’s past 255 occur- rences. To open the Ev ent Log, start at the Main Menu, select Event Log and press . Press the and buttons to scroll through the Nfinity’ s Event Log in chronological order. The Event Log contains the following inf[...]

Operating Instru ctions 29 3.5.7 Module Replacement The user interface also supp lies instructions for removing and re placing modules. From th e Main Menu, access the module replacement screen and se lect the type of module. Refer to t he screens below: For more details on module replacement, consult 4.0 - Trou bleshooting . Main Menu UPS Status U[...]

Operating Instru ctions 30 3.5.8 Service T ools for Liebert Global Services Engineers The Service Tools option is intended for use by Li ebert Global Services eng i neers or Liebert-trained engineers to carry out certain tests and clear fail ures. These are advanced menus, enteri ng chan ges may adversely affect UPS o peration. From the Main Menu, [...]

Trou bleshooting 31 4.0 T ROUBLES HOOTING 4.1 Active Alarms In the event of an alarm, the User Interface LC D will display the la st message regardless of the default screen. A list of possible alarm messages is displayed belo w. If yo u encounter one of the se or other alarm messages and are unsure of the corrective action to take, please contact [...]

Trou bleshooting 32 Assert manual bypass A user-initiated transfer to bypass wil l assert this a larm, in structing the user to enable the man ual bypass switch. Once the manual bypass is asserted, the alarm will clear. This is a non-mutable alarm. Engage the manual bypass switch (located at the botto m front on the left han d corner of the un it).[...]

Trou bleshooting 33 4.2 Module LED Indication Every Battery, Power and Control Module featu res tw o LEDs to help inform the user of the module status, as shown below left. Refer to Table 2 for details. T able 2 Guide to L EDs Status LED (Green) Fault LED (Yellow) Module Status OFF OFF Modu le not inserted in to frame. System is OFF. OFF ON Module [...]

Trou bleshooting 34 4.3 Module Replacement Follow the instructions below when replacing or adding a Control, Battery or Power Module to the system. To order additional module s, contact your Liebert representative or call 1-800-LIEBERT. 4.3.1 Removing Modules 1. Remove be zel cover of appropriate module. When replacing a Powe r or Battery Module, v[...]

Trou bleshooting 35 4.3.2 Adding or Replacing Modul es 1. Lift module to appropriate bay, resting end of module on bay shelf. Use caution not to rest the module on t he lower bezel cover. 2. Push module into bay. Once halfway in , slide module sideways toward the center of the UPS. Continue pushing module until fully inserted. 3. Press and turn fas[...]

Maintenance 36 5.0 M AINTENANCE 5.1 Maintenance 5.1.1 Proper Care Keeping your Liebert Nfinity UPS op erating properly is imperative to optimal pe rformance and life of the unit. It is recommended that a certified technician perform pr eventive and corrective mainte- nance. Liebert Global Service s (LGS) is dedicated to ensuring the high est level [...]

Specifications 37 6.0 S PECIFICATIONS 6.1 Product W arranty Registration To register for warranty protection: •V i s i t t h e Quick Links section of our Web site at: http://www .liebert.com • Click on Product Warranty Registration and fill in the form. If you have any questions, please contact us at: US: 800-222-5877 Outside the US: 614-841- 6[...]

Specifications 38[...]

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The Comp any Behind the Products With over a million installations around th e globe, Liebert is the world leader in computer protection systems. Since its founding in 1965, Liebert has developed a complete range of support and protection systems fo r sensitive electronics: • Env ironmental systems—close-control air conditioning from 1 to 60 to[...]