Liebert user manual Panel Board Voltage-Current Board Pbvi, CT matrix for the Liebert LDM

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Major Components

3.2Panel Board Voltage-Current Board (PBVI)

The PBVI board monitors two panelboards and provides the voltage attenuators for the two panel- board voltages. The two sets of panelboard main breaker CTs are connected to the PBVI board.

Connections for the 18 large branch CTs are located on the PBVI board. The nine CTs on the A side of the board are normally associated with the A-side voltages for power calculations. The B-side CTs are normally associated with the B-side voltages. A cross-configuration tool allows changing that associa- tion for subfeeds.

The 18 large branch CT inputs can also be used to monitor up to three subfeed circuit breakers. This is configured using the Configuration tool (see 5.5 - Using the Configuration Tool). The CTs from the B side of the PBVI are cross-configured to the A side so that the three sub-feeds appear within the A-side panelboard register space. The 18 large branch breakers require CTs with 1A secondary.

! WARNING

Before connecting a large CT to the PBVI board, note the CT MUST have 1A secondary. Connecting a 5A secondary type CT will damage the board and the CT.

To ensure the proper current ratio and accuracy, the CTs should be purchased through Emerson Network Power. See Table 1 for details. Contact your local Emerson Network Power representative or call Liebert Services at 1-800-LIEBERT (1-800-543-2378).

Table 1

CT matrix for the Liebert LDM

 

 

 

 

 

 

 

 

 

Part Number

 

Description

Phase CT

Ground CT

Neutral CT

 

 

 

 

 

528415G1-L

3 pole 100A Subfeed Breaker 5W CT Kit 23" Frame

100:1

100:1

200:1

 

 

 

 

 

528415G2-L

3 pole 125-225A Subfeed Breaker 5W CT Kit 23" Frame

200:1

100:1

500:1

 

 

 

 

 

528415G3-L

3 pole 250-400A Subfeed Breaker 5W CT Kit 23" Frame

500:1

100:1

500:1

 

 

 

 

 

531461G6-L

3 pole 0-100A I-Line & Subfeed Breaker 5W CT Kit 47" Frame

200:1

100:1

200:1

 

 

 

 

 

 

531461G9-L

3 pole 125-225A

I-Line & Subfeed Breaker 5W CT Kit 47" Frame

200:1

100:1

500:1

 

 

 

 

 

 

531461G12-L

3 pole 250-400A

I-Line & Subfeed Breaker 5W CT Kit 47" Frame

500:1

100:1

500:1

 

 

 

 

 

531461G18-L

3 pole 0-225A I-Line Breaker 3W CT Kit 47" Frame

200:1

—

—

 

 

 

 

 

 

531461G19-L

3 pole 250-400A

I-Line Breaker 3W CT Kit 47" Frame

200:1

—

—

 

 

 

 

 

528461G13-L

1 pole 0-100A Branch Breaker CT Kit

100:1

—

—

 

 

 

 

 

528415G14-L

2 pole 0-100A Branch Breaker CT Kit

100:1

—

—

 

 

 

 

 

528415G15-L

3 pole 0-100A Branch Breaker CT Kit

100:1

—

—

 

 

 

 

 

 

 

5

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Contents Liebert Distribution Monitoring LDM Page Table of Contents Tables Safety Instructions Following abbreviations are used in this manual Glossary of AbbreviationsProduct Overview Major Components Branch Circuit Monitoring Control Board BCBPart Number Description Phase CT Ground CT Neutral CT Panel Board Voltage-Current Board PbviCT matrix for the Liebert LDM Power Supply Assembly with EMI Filter Large Interface Board LIBBranch Circuit Monitoring Sensor Module BSM Installing a BSM CT Module Assembly InstallationConnecting Panelboards a and B Installing a Solid-Core Current Transformer Pin Wiring Connecting a Current Transformer to the Pbvi BoardConfiguration 1 Four Modules Connector P3 a Wiring configuration of large branch circuit breakersConnector P4 B CT Table for Pbvi BoardLB11 LB12 LB13 Connecting a Current Transformer to the LIB Board Four CTs Ground CT Three phases NeutralFirst Breaker Second Breaker CT Table for LIB Wiring configuration for LIBWiring configuration for LIB2 Parameters monitored for breakers OperationAlarm conditions and factory setpoints AlarmsLDM Setup Port Connection CommunicationModbus Connection Downloading the Software Using the Monitor ToolStarting the Monitor Tool COM port ConnectMonitor Menu Options Panel Status and Real-Time ClockMonitor menu options Monitor mode buttons Mode ButtonsMain Breaker Status Breaker StatusStarting the Configuration Program Using the Configuration ToolTo Connect via COM Port To Work in Offline Mode COM port Work OfflineOverview of main Configuration window Main Configuration Window OverviewLoad a Configuration File from Disk Install Configuration Changes in the UnitSave the Configuration File to Disk Select Panel to View Select Breakers to ViewPanel Breakers view Auxiliary Breakers view Edit the Liebert LDM Unit Properties Edit the Panel Properties or Set a PasswordParameter Description To make a change Edit the Breaker PropertiesAdding a Circuit Breaker Add or Delete a Circuit BreakerAdding a Subfeed Breaker Delete a Breaker Upgrading the Firmware Operation Progress Failed = Electrical SpecificationsTroubleshooting / Faqs Page Iti Ne tTi n That

LDM specifications

Liebert LDM (Liebert Digital Monitor) is an advanced thermal management solution, specifically designed to enhance the performance and reliability of critical infrastructure systems. This innovative product from Vertiv caters to the growing demand for efficient cooling solutions in data centers, telecommunication sites, and other facilities requiring precise environmental control.

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Integration is another core advantage of the Liebert LDM. It seamlessly connects with various management systems and can be monitored through user-friendly interfaces. This interoperability ensures that facility managers can easily track performance metrics and integrate the Liebert LDM into their existing operational protocols.

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In summary, the Liebert LDM is a sophisticated thermal management solution combining precision monitoring, energy efficiency, modular flexibility, seamless integration, and robust design. As technology evolves, maintaining optimal environmental conditions becomes increasingly crucial. The Liebert LDM addresses these challenges, ensuring that critical systems operate reliably and efficiently in the face of rising demands.
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