External Circuit-Breaker Interface | Liebert NX UPS System instruction

Single Module UPS Installation

1.8.3External Circuit-Breaker Interface

J10 is the interface to any external battery circuit breaker (BCB).

Table 5 External circuit-breaker interface

Position	Name	Description
J10.1	DRV	BCB Driver Signal - (reserved)

J10.2	FB	BCB Contact State -(reserved)

J10.3	GND	Power Ground

J10.4	OL	BCB On-Line - Input - This pin will become active when BCB interface is connected. (N.O.)

NOTE

All auxiliary cables of terminal must be double-insulated. Wire should be 0.5-1.5mm2

(16-20AWG) stranded for maximum runs between 25 and 50 meters (82-164ft.) respectively.

Figure 4 Jumper connection for BCB interface

UPS Monitoring Board

J10

OL

GND

FB

DRV

Aux – N.O.

Aux – N.O.

Battery Circuit Breaker

13

Image 21

Liebert NX UPS System user manual External Circuit-Breaker Interface, Jumper connection for BCB interface

Contents

Liebert NX UPS Page Table of Contents Dual Bus System UPS MULTI-MODULEINSTALLATION OPTIONS-FORASSEMBLY Inside the UPS Cabinet Operating ProceduresTechnical Specifications Operator Control Panel and Display Figures Tables Output Feature Set for Region InputAust/NZ Options Model Identification Conformity and Standards Safety Precautions Battery Voltage Exceeds 400VDC User-Serviceable Parts Preliminary Checks Introduction Location External Battery RoomUPS Room Storage System Cabinets Positioning2 10 to 30kVA UPS Moving the Cabinets External Protective Devices External Battery Earth Leakage RCDUPS Output Power Cables Maximum steady state AC and DC currentsDistance from floor to connection point on the equipment Common Input Connections Cable Termination Output System Connections Control Cables and Communication Monitor Board Features Maintenance Bypass Cabinet Interface X3 Ancillary Control and AlarmsDry Contacts Input Dry Contacts Jumper connection for BCB interface External Circuit-Breaker Interface Output dry contact relays Output Dry Contacts+12V J13 J21 J28 X5 Auxiliary DC Power Output Emergency Power Off InputX7 External Battery Temperature Detector Interface X6 Analog Input Interface Battery Start Facility External Bypass Switch InterlockBattery Start Button Serial Ports RS232-1 and RS232-2 Battery Installation Hazardous battery voltage present behind covers Safety Battery Cabinet Moving the Battery Cabinets Battery Temperature Sensor OptionalCable W2 is packed with the temperature sensor Name W2 L=5m Name W1 L=30m General Arrangement Drawings Battery cabinet bottom cable entry location Bottom cable entry Battery cabinet internal layout Battery Power Cables Connection PrinciplesItem # Item Name Connecting the Battery Battery ControlBattery Room Design Fitting the Batteries X23 X24 Monitor Board GeneralX24 X21 Cabinet Installation Paralleled UPS ModulesDistribution Cabinet External Protective Devices Power Cables Control Cables Intermodule Control Hot-Standby UPS Modules Input Distribution Upstream Dual Bus System Extended Dual Bus Synchronization Option DBS Interface Box Control WiresParallel Board X2-2 X1-1 Parallel System Parallel Board DBS Cable X2-2 X1-1 Parallel System Installation Drawings General arrangement-10-30kVA UPS module External Battery Input Output Main Input Bypass Input NXe 10-30kVA Top View Internal battery layout and connecting-GP12120 F2 12AH/12V Internal battery layout Split-Bypass Input Battery Temperature Compensation Static Transfer Switch Redundant Control Power Supply Board Multi Module UPS-1+NSocket Outlet Modes of Operation Maintenance Mode Manual Bypass Bypass ModeECO Mode Single UPS Only Parallel Redundancy Mode System Expansion Battery Management-Set During Commissioning Battery Protection settings by commissioning engineerNormal Function Power Switches Rotary switch configurationsUPS operating modes Start-Up Procedure Indicator StateUPS Startup Verify Switching Between Operation Modes Powering Down the UPS Switching the UPS from Normal to Maintenance Bypass Powering Down the UPS and Maintaining Power to Load Auto Restart Emergency Shutdown With EPO Command Password Language SelectionChanging the Current Date and Time Isolating One Module in a Multi-Module System LED Function Status Inserting One Module into a Multi-Module System UPS control and display panel components Component # FunctionButton Function Audible Alarm Buzzer Mimic Power Flow Direct Access Push Buttons Keys LCD Monitor and Menu keysMenu key Icons and their meaning Language Settings Command Version Load System Battery RecordsWhen configured, input transformer voltages are Displayed on the front LCD. When not activated, UPS system window Detailed Description of Menu ItemsDescriptions of UPS menus and data window items Menu Type Item Type Explanation Number to be dialed to send an alarm notification Message Description / Suggested Action if any UPS messages Bypass voltage exceeds the limit UPS is confirmed to overload and the overload times out UPS messages Prompt Pop-Up Windows Dynamic Energy Flow Chart and UPS Help ScreenPrompt windows, meanings Prompt Meaning Default screen Default Screen Saver Battery Ground Fault Detection ProtectionTerminal Name Definition Fan120 Redundant Fan for Power ModuleFan120 AC Fan OC Web Card data summary window OC Web Card SNMP/HTTP Network Interface Card Relay Card Relay Card pin configurationMultiport-4 Card Relay card jumpers SiteNet MultiPort4 Intellislot pin assignment AssignmentPin Description OC485 Web Card Modbus, Jbus, IGM Net Remote Alarm Monitor Dust Filter for 10-30kVA Dust filter replacement Conformity and Standards Environmental characteristicsCompliance with European, international standards Overall efficiency, heat losses and air exchange Rectifier AC input mains Mechanical characteristics Inverter output to critical load Bypass mains input Technical Specifications Technical Specifications Page Iti Ne tTi n That