Liebert 6000 A, 3000, 4000, 1500 Replacement of a Distribution Fuse Block or Circuit Breaker

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5.3.4Replacement of a Distribution Fuse Block or Circuit Breaker

! CAUTION

Precautions must be taken to avoid service interruptions.

Use properly insulated tools when working on the power distribution panels.

Replace a distribution fuse block as described below.

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

2.Remove the fuse from the fuse block to be replaced.

3.Remove the rear panels of the cabinet.

4.Carefully remove and insulate any load and alarm leads connected to the fuse block.

5.Carefully remove the fuse block.

6.Ensure that the fuse is removed from the new fuse block.

7.Carefully install the new fuse block.

8.Reconnect the load and alarm leads disconnected in Step 4.

9.Install the fuse in the fuse block.

10.Notify the alarm center of the end of this procedure.

Replacing a distribution circuit breaker

Replace a distribution circuit breaker as described below.

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

2.Place the circuit breaker to be replaced in the OFF position.

3.Remove the rear panels of the cabinet.

4.Carefully remove and insulate any load lead and alarm lead connected to the circuit breaker.

5.Carefully remove the circuit breaker.

6.Ensure that the new circuit breaker is in the OFF position before installing it.

7.Carefully install the new circuit breaker.

8.Reconnect the load and alarm leads disconnected in Step 4.

9.Turn on the circuit breaker

10.Notify the alarm center of the end of this procedure.

5.3.5Replacing a Cabinet Alarm Lamp

Replace a cabinet alarm lamp as described below.

1.Remove the LP fuse on the controller (F31).

2.Unscrew and remove the lens cap on the cabinet alarm lamp unit.

3.Pull the defective light bulb out.

4.Insert the new light bulb.

5.Screw back the lens cap on the cabinet alarm lamp unit.

6.Reinstall the LP fuse on the controller (F31) removed in Step 1.

48 Maintenance

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Contents Helios DC System 4000/48 Page Table of Contents Maintenance OperationReference Documents 7.0 List of Terms Figures Tables Purpose of This Document Applicability of This DocumentDescription Rectifier cabinets Main cabinet Aux dist. cabinetApplications Control and Distribution Cabinets Typical Configurations Control and Distribution cabinet 1200A Rectifier cabinetAuxiliary distribution cabinets Rectifier cabinetsControl and distribution cabinets Rectifier Cabinet Capacity Type Qty Cabled top or bottomMechanical specifications of the cabinet empty Mechanical Specifications of a CabinetElectrical Specifications of the Cabinets Framework type Height Depth Width WeightMechanical specifications of the Conventional Controller Mechanical Specifications of the Conventional ControllerElectrical Specifications of the Conventional Controller Height Depth Width WeightDistribution Panels Fuse Panels Mechanical specifications of the fuse panelsMechanical specifications of the fuse panels Fuse sizes available for the 20 QFF 0-5 a fuse panelsFront view of the 16 QFF 0-5 a & 12 ABS 5-30 a fuse panels Front view of the 16 QFF 0-5 a & 6 TPN 5-30 a fuse panelsFuse sizes available for the 8 TPN 5-30 a fuse panels Fuse sizes available for the 4 RS100P 70-100 a fuse panelsDC power TPL Fuse sizes available for the 4 TPL 225-600 a fuse panelsDC power TPS Fuse sizes available for the 18 TPS 1-70 a fuse panelMechanical specifications of the circuit breaker panels Electrical specifications of the fuse panelsElectrical specifications of the fuse panels Fuses Busbar Panel number Quantity CapacityFront view of the 24 Plug-In 1-100 a circuit breaker panel Nominal CPC Std Trip CPC Mid Trip CurrentFront view of the 4 70-250 a circuit breaker panel Nominal currentFront view of the 2 400 a circuit breaker panel Electrical specifications of the circuit breaker panels Electrical specifications of the circuit breaker panelsExternally Mounted Battery Return Busbar Mechanical specifications of a single laminationLength Width Thickness Terminating Assemblies Optional Perspective view of the a terminating assembliesMPS300 and MPA100 Power Shelves Shelf model Height Depth Width WeightElectrical Specifications of the Power Shelves Mechanical specifications of the Helios Rectifier 100/48Rectifiers 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 Standards Total harmonicDistortion THD Electrical Specifications 600 a and 1200 a Battery Disconnect Unit OptionalMechanical Specifications Mechanical specifications of the Helios Monitor 3000/48Mechanical specifications of the AC junction box Overall Power System SpecificationsMechanical Specifications of Fully Equipped Power Cabinets Mechanical specifications of fully equipped power cabinetsElectrostatic discharge ESD immunity Environmental Specifications OperatingElectromagnetic compliance EMC TransportationGeneral Visual indicatorsVisual indicators Front PanelPotentiometers Transmitted alarmsAlarm Description PotentiometersSwitches SwitchesDIP switches DIP switch modulesFuse FusesTest points Test pointsRear Panel Terminal blocksTB3 TB4 TB1 TB2 Connectors Rectifiers 600 a and 1200 Battery Disconnect Units Optional Cleaning Helios Monitor 3000/48 Controller and RectifiersCalibration Storage Air filter replacement Fan unit replacementTroubleshooting Fault diagnosisAddition / Replacement Procedures Addition or Replacement of a RectifierAdding a Helios Rectifier 100/48 Adding a Helios Rectifier 200I/48 or 200E/48AC connections in a Helios Rectifier 200E/48 Cover Rect Replacing a Rectifier Replacing a Helios Rectifier 100/48Replacing a Helios Rectifier 200I/48 or 200E/48 Adding or Replacing a Battery String Removal of the old stringReplacement of a Distribution Fuse Block or Circuit Breaker Replacing a Cabinet Alarm LampReplacing a distribution circuit breaker Reference Documents Manual No DescriptionFt-lb AC or acDC or dc GRD or GrndIn.-lb PsiList of Terms 1500, 3000, 4000 & 6000 a DC Power System Technical Support
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Manual 76 pages 7.19 Kb Manual 76 pages 48.63 Kb

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.

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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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