Page 3 - TABLE OF CONTENTS
i TABLE OF CONTENTS I MPORTANT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 G LOSSARY OF S YMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.0 I NTRODUC...
Page 4 - ROUBLESHOOTING; FIGURES; Figure 1; TABLES; Table 1
ii 3.5 Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.5.1 UPS Status Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.5.2 U...
Page 5 - SAVE THESE INSTRUCTIONS; that shown on the UPS rating label.; Electromagnetic Compatibility; —The NfinityTM UPS complies with the limits for a Class A digital; WARNING; accordance with local regulations.
1 I MPORTANT S AFETY I NSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that should be closely followed during installation and maintenance of this UPS unit and during the installation and replacement of Power and Battery Modules.This product is designed for Commercial...
Page 7 - NTRODUCTION; General Description; Features
Introduction 3 1.0 I NTRODUCTION 1.1 General Description Congratulations on your purchase of Liebert’s Nfinity™ Uninterruptible Power System. As with every other Liebert product, we stand behind our quality. If you have any questions concerning this UPS, please feel free to contact your local dealer...
Page 9 - Modes of Operation; Normal Mode; failure or restoration of the AC utility source.; Auto Restart Mode; • Automatic
Introduction 5 1.2 Modes of Operation Normal Mode The Power Module rectifiers derive power from a utility AC source and supply regulated DC power to the inverter. The module’s inverter regenerates precise AC power to supply the connected equipment. The battery charger is in the Power Module and main...
Page 10 - Major Components; cators; In the figure at right, the Power Module and; System Control Module
Introduction 6 1.3 Major Components The following is a general description of each compo- nent and its functions. Please review this section carefully, as it will 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 of plastic...
Page 11 - with no interruption or danger to the connected equipment.; NOTE; screws should be removed prior to start-up.; FRONT
Introduction 7 1.3.4 Power Module Each power module is an independent 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 greater capacity and/or redundancy. Modul...
Page 12 - NSTALLATION; Inspection; flammable vapors, chemical fumes, corrosive gases and liquids.
Installation 8 2.0 I NSTALLATION 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 Liebert representative and/or notify your carrier. 2.1.1 Environment 2.1.2 Required Setup Equipment The tools belo...
Page 13 - Unloading; CAUTION; Pull ramp out from
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 should assist in unloading it from the pallet. 3. Fit the ramp flange in the slot in the rear of the pallet (back o...
Page 14 - for stationary mounting.
Installation 10 5. Once the UPS is in the desired location, adjust the leveling feet to secure its position. 2.2.2 Stationary Mounting Additional stability can be added by bolting the mounting brackets (used in shipping) to the floor, as shown below left. For greater stability, use a higher-grade bo...
Page 15 - Cable Installation; Removing the Cover Plates
Installation 11 2.3 Cable Installation 2.3.1 Wiring Preparation 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. Customer-Provided Overcurrent Protection A branch rated overcurrent protectio...
Page 16 - Grounding Conductor Installation; Voltage
Installation 12 Input Wiring (TB1) To connect the input wiring, follow these steps:1. Locate the input wiring access, remove the knockout and pull the three input wires through it, allowing some slack for installation. 2. Secure the conduit to the rear panel of the UPS. 3. Input Power cables connect...
Page 17 - Connecting to External Panel Boards; INPUT CABLING AND PROTECTION
Installation 13 2.3.2 Connecting to External Panel Boards The following instructions are also shipped attached to the rear of the unit. INPUT CABLING AND PROTECTION Table Below Applies to 4 - 16 kVA Scalable Systems: Stand-alone UPS orUPS equipped with a Maintenance Bypass Cabinet Max. System Load R...
Page 18 - OUTPUT CABLING; Connection to External Panel Boards; GEC
Installation 14 OUTPUT CABLING UPS Output Terminal Block (TB3) Connection to External Panel Boards 210 VAC If connected equipment operates at 210 VAC only, use a single-phase panel board connected to the UPS as follows. 210 VAC and / or 105 VAC If connected equipment operates at 210 VAC only or 105 ...
Page 19 - Figure 2; be removed in order to start the unit.
Installation 15 2.3.3 REPO Connection The Nfinity is equipped with 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 started during inst...
Page 20 - Communications; COM1 - Relay Contacts; Intellislot OpenComms Web Card; Pin; Pin Assignment
Installation 16 2.4 Communications 2.4.1 COM Ports Nfinity is able to communicate through multiple communication ports simultaneously. Use only Liebert-provided communication cards. Connect only Signal Edge Low Voltage (SELV) / Class 2 cir- cuits when connecting to any communication port. There are ...
Page 21 - PERATING; Controls and Indicators; Buttons; Refer to the legend below to properly navigate the; Fault / Warning and Status LEDs; Refer to the legend below to indicate occurrence
Operating Instructions 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 status 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 wind...
Page 22 - Status LED Modes
Operating Instructions 18 3.2 Status 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 than four rows of information, you may see an arrow on the display pointing up or down (as shown be...
Page 23 - Operating Procedures; The load is not protected from utility; Main Menu
Operating Instructions 19 3.4 Operating Procedures 3.4.1 Start-Up and Initialization 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 Control Enable Switch (SW2). You should see the following on the LCD disp...
Page 25 - From the Main Menu the user may select UPS Status and press
Operating Instructions 21 3.5.1 UPS Status Screen From the Main Menu the user may select UPS Status and press . Once at the UPS Status Screen, the user may access any information on the present condition of the UPS. Note the chart below when reviewing the UPS. Main Menu > UPS Status UPS Configura...
Page 26 - Review Settings; and
Operating Instructions 22 3.5.2 UPS Configuration Screen Review Settings Follow this procedure to review your UPS configuration 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 B...
Page 27 - Change Configuration Settings - Change Settings Menu; Frequency Sync Range:; If the password is lost, call Liebert Technical
Operating Instructions 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 ...
Page 29 - DST Mode; AH Value; Company Name
Operating Instructions 25 Set Date/Time: Allows user to enable/disable DST (Daylight Saving Time), 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 spec...
Page 31 - UPS Configuration Screen - Service Mode Menu
Operating Instructions 27 UPS Configuration Screen - Service Mode Menu Service Mode contains site identification information about the UPS system. The data is entered by Liebert Global Services (LGS). To view the data, go to the Main Menu, select UPS Configuration and press . Next, select Service Mo...
Page 32 - Active Alarms
Operating Instructions 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 Event 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 orde...
Page 33 - For more details on module replacement, consult
Operating Instructions 29 3.5.7 Module Replacement The user interface also supplies instructions for removing and replacing modules. From the Main Menu, access the module replacement screen and select the type of module. Refer to the screens below: For more details on module replacement, consult 4.0...
Page 34 - Service Tools for Liebert Global Services Engineers; > BM Cell Replacement
Operating Instructions 30 3.5.8 Service Tools for Liebert Global Services Engineers The Service Tools option is intended for use by Liebert Global Services engineers or Liebert-trained engineers to carry out certain tests and clear failures. These are advanced menus, entering changes may adversely a...
Page 35 - User Interface Text
Troubleshooting 31 4.0 T ROUBLESHOOTING 4.1 Active Alarms In the event of an alarm, the User Interface LCD will display the last message regardless of the default screen. A list of possible alarm messages is displayed below. If you encounter one of these or other alarm messages and are unsure of the...
Page 37 - Module LED Indication; Table 2; Control Module; Battery Module
Troubleshooting 33 4.2 Module LED Indication Every Battery, Power and Control Module features two LEDs to help inform the user of the module status, as shown below left. Refer to Table 2 for details. Table 2 Guide to LEDs Status LED (Green) Fault LED (Yellow) Module Status OFF OFF Module not inserte...
Page 38 - Module Replacement; Battery Modules may contain shipping
Troubleshooting 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 modules, contact your Liebert representative or call 1-800-LIEBERT. 4.3.1 Removing Modules 1. Remove bezel cover of appropriate module...
Page 39 - installed in any bay of the UPS frame.; Turn fastener
Troubleshooting 35 4.3.2 Adding or Replacing Modules 1. Lift module to appropriate bay, resting end of module on bay shelf. Use caution not to rest the module on the lower bezel cover. 2. Push module into bay. Once halfway in, slide module sideways toward the center of the UPS. Continue pushing modu...
Page 40 - AINTENANCE; Maintenance
Maintenance 36 5.0 M AINTENANCE 5.1 Maintenance 5.1.1 Proper Care Keeping your Liebert Nfinity UPS operating properly is imperative to optimal performance and life of the unit. It is recommended that a certified technician perform preventive and corrective mainte- nance. Liebert Global Services (LGS...
Page 41 - PECIFICATIONS; Product Warranty Registration; Quick Links
Specifications 37 6.0 S PECIFICATIONS 6.1 Product Warranty Registration To register for warranty protection: • Visit the 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: ...
Page 44 - OWER; Nfinity; TM Power System; SER
The Company Behind the Products With over a million installations around the globe,Liebert is the world leader in computer protectionsystems. Since its founding in 1965, Liebert hasdeveloped a complete range of support andprotection systems for sensitive electronics: • Environmental systems—close-co...
