Liebert 4000, 3000, 6000 A, 1500 Adding or Replacing a Battery String, Removal of the old string

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5.3.3Adding or Replacing a Battery String

For replacements, proceed from Step 1 below. For new installations, go to Step 5 of this proce- dure.

! WARNING

THIS PROCEDURE IMPLIES THAT ALL OR PART OF THE

BATTERIES WILL BE MOMENTARILY TAKEN OUT OF

SERVICE.

THIS WORK SHOULD THEN BE COMPLETED DURING

REDUCED TRAFFIC HOURS AND/OR WITH A DIESEL

GENERATOR BACKUP AVAILABLE TO ENSURE NO LOSS OF

SERVICE DURING A POSSIBLE AC OUTAGE. IF MORE THAN

ONE STRING IS TO BE REPLACED, REPLACE ONLY ONE

STRING AT A TIME AND DO NOT DISCONNECT THE NEXT

STRING BEFORE THE PREVIOUS ONE IS RECONNECTED.

1.Removal of the old string:

Notify the alarm center of the possibility of incoming alarms during this procedure.

2.Above the battery stand, or at the top of the main cabinet for a 1500, 3000 or 4000 A system, or at the overhead busbars for a 6000 A system, locate, disconnect and isolate the charge leads (+ and -) coming from the batteries being replaced.

3.Disconnect the inter-cell connectors from the individual battery cells, and insulate each exposed terminal with electrician tape.

4.The removed batteries shall be disposed of in accordance with local, state and national environmental legislation.

5.Installation of the new string:

If this is an addition, locate and install the new battery stand according to the specifications and drawings. If this is a replacement, install the new battery string in the space vacated by the removed one.

6.Install the new batteries and use the new connecting material supplied with the batteries to interconnect them.

7.Perform the initial charging of this new battery string according to the battery manufacturer’s specifications using an external power supply.

8.Above the battery stand, or at the top of the main cabinet for a 1500, 3000 or 4000 A system, or at the overhead busbars for a 6000 A system, connect the charge leads (+ and -) coming from the new batteries.

9.Notify the alarm center of the end of the procedure.

Maintenance 47

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Contents Helios DC System 4000/48 Page Table of Contents Reference Documents 7.0 List of Terms MaintenanceOperation Figures Tables Applicability of This Document Purpose of This DocumentRectifier cabinets Main cabinet Aux dist. cabinet DescriptionApplications Control and Distribution cabinet 1200A Rectifier cabinet Control and Distribution Cabinets Typical ConfigurationsControl and distribution cabinets Rectifier cabinetsAuxiliary distribution cabinets Rectifier Cabinet Capacity Type Qty Cabled top or bottomElectrical Specifications of the Cabinets Mechanical Specifications of a CabinetMechanical specifications of the cabinet empty Framework type Height Depth Width WeightElectrical Specifications of the Conventional Controller Mechanical Specifications of the Conventional ControllerMechanical specifications of the Conventional Controller Height Depth Width WeightMechanical specifications of the fuse panels Fuse Panels Mechanical specifications of the fuse panelsDistribution Panels Fuse sizes available for the 20 QFF 0-5 a fuse panelsFront view of the 16 QFF 0-5 a & 6 TPN 5-30 a fuse panels Front view of the 16 QFF 0-5 a & 12 ABS 5-30 a fuse panelsFuse sizes available for the 4 RS100P 70-100 a fuse panels Fuse sizes available for the 8 TPN 5-30 a fuse panelsFuse sizes available for the 4 TPL 225-600 a fuse panels DC power TPLFuse sizes available for the 18 TPS 1-70 a fuse panel DC power TPSElectrical specifications of the fuse panels Electrical specifications of the fuse panelsMechanical specifications of the circuit breaker panels Fuses Busbar Panel number Quantity CapacityNominal CPC Std Trip CPC Mid Trip Current Front view of the 24 Plug-In 1-100 a circuit breaker panelNominal current Front view of the 4 70-250 a circuit breaker panelFront view of the 2 400 a circuit breaker panel Electrical specifications of the circuit breaker panels Electrical specifications of the circuit breaker panelsLength Width Thickness Externally Mounted Battery Return BusbarMechanical specifications of a single lamination Perspective view of the a terminating assemblies Terminating Assemblies OptionalShelf model Height Depth Width Weight MPS300 and MPA100 Power ShelvesRectifiers Electrical Specifications of the Power ShelvesMechanical specifications of the Helios Rectifier 100/48 Electrical specifications of the Helios Rectifier 100/48 Electrical specifications of the Helios Rectifier 100/48Front view of the Helios Rectifiers 200I/48 and 200E/48 Distortion THD StandardsTotal harmonic Mechanical Specifications 600 a and 1200 a Battery Disconnect Unit OptionalElectrical Specifications Mechanical specifications of the Helios Monitor 3000/48Mechanical Specifications of Fully Equipped Power Cabinets Overall Power System SpecificationsMechanical specifications of the AC junction box Mechanical specifications of fully equipped power cabinetsElectromagnetic compliance EMC Environmental Specifications OperatingElectrostatic discharge ESD immunity TransportationVisual indicators Visual indicatorsGeneral Front PanelAlarm Description Transmitted alarmsPotentiometers PotentiometersDIP switches SwitchesSwitches DIP switch modulesTest points FusesFuse Test pointsTerminal blocks Rear PanelTB3 TB4 TB1 TB2 Connectors Rectifiers 600 a and 1200 Battery Disconnect Units Optional Calibration Storage CleaningHelios Monitor 3000/48 Controller and Rectifiers Fan unit replacement Air filter replacementFault diagnosis TroubleshootingAddition or Replacement of a Rectifier Addition / Replacement ProceduresAdding a Helios Rectifier 200I/48 or 200E/48 Adding a Helios Rectifier 100/48AC connections in a Helios Rectifier 200E/48 Cover Rect Replacing a Helios Rectifier 100/48 Replacing a RectifierReplacing a Helios Rectifier 200I/48 or 200E/48 Removal of the old string Adding or Replacing a Battery StringReplacing a distribution circuit breaker Replacement of a Distribution Fuse Block or Circuit BreakerReplacing a Cabinet Alarm Lamp Manual No Description Reference DocumentsDC or dc AC or acFt-lb GRD or GrndPsi In.-lbList of Terms Technical Support 1500, 3000, 4000 & 6000 a DC Power System
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1500, 6000 A, 4000, 3000 specifications

The Liebert 3000 is a cutting-edge power protection solution designed to provide reliable and efficient backup power for critical applications. This uninterruptible power supply (UPS) system is engineered to safeguard sensitive electronic equipment from power disturbances, ensuring uninterrupted operations in data centers, telecommunications, and industrial environments.

One of the standout features of the Liebert 3000 is its high-efficiency design. With an efficiency rating of up to 94%, the system minimizes energy loss, resulting in lower operational costs and a reduced carbon footprint. This is particularly important in today's environmentally conscious climate, as organizations strive to meet sustainability goals while maintaining top-tier performance.

The Liebert 3000 employs advanced technologies to enhance its functionality. It incorporates online double-conversion technology, which provides a continuous supply of clean and regulated power. This technology ensures that connected loads receive stable voltage and frequency, shielding them from voltage spikes, sags, and outages. Additionally, the UPS offers features such as automatic battery testing, which helps ensure peak battery performance and reliability.

Another key characteristic of the Liebert 3000 is its modular design, allowing for flexible scalability. This means that organizations can easily expand the capacity of their UPS system as their power needs grow, without the need for extensive system overhauls. The modular architecture also facilitates simplified maintenance and reduces downtime, as individual modules can be serviced without interrupting power to the critical load.

The system is equipped with comprehensive monitoring and management capabilities. The Liebert 3000 provides real-time data on power usage, battery status, and system performance, enabling facility managers to make informed decisions and proactively address potential issues. The integration of remote management tools allows for seamless monitoring from anywhere, providing peace of mind for operators.

Overall, the Liebert 3000 combines high efficiency, advanced technology, and flexible design to deliver a robust power protection solution. Its reliability and performance make it a preferred choice for organizations seeking to protect their critical infrastructure while enhancing operational efficiency and sustainability. As businesses continue to rely on technology for their everyday operations, the Liebert 3000 stands out as a dependable safeguard against the uncertainties of power quality.
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