Optional Equipment
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3.0 OPTIONAL EQUIPMENT
3.1 Single-Module System Options
3.1.1 Battery Temperature Sensor
The optional external battery temperature sensor kit, supplied separately from the battery circuit
breaker, contains one probe and one temperature transport board.
3.1.2 Matching Liebert NXL Battery Cabinet
The optional matching Liebert NXL Battery Cabinet can be used to obtain the desired autonomy
time. The battery cabinets are designed to be either attached to the UPS or separate from the UPS
(for details, see the Liebert NXL Battery Cabinet installation manual, SL-25430, available at
Emerson Network Power’s Liebert Web site: www.liebert.com).
3.1.3 Load Bus Synch
An optional Load Bus Synch (LBS) system can be used to synchronize two Liebert NXL UPS units or
a Liebert NXL UPS to a Liebert Series 610 UPS.
3.1.4 Remote Alarm Status Panel
The remote alarm status panel has LED alarm lights. An audible alarm sounds upon any alarm
condition. The surface- or flush-mounted NEMA 1 enclosed panel indicates: Load on UPS, Load on
Bypass, Battery Discharging, Low Battery Warning, Overload Warning, Ambient Overtemp Warning,
UPS Alarm Condition, New Alarm Condition (For a Second UPS Alarm Condition).
3.2 Communication and Monitoring
• Liebert IntelliSlot
®
Web Card - SNMP/HTTP Network Interface Card
• Liebert IntelliSlot
®
485 Web Card - Modbus, J-bus, IGM Net
• Remote Monitoring Services IntelliSlot Card
• RS485/422 Protocol Converter IntelliSlot Card
• Programmable Relay Board
• Input Contact Isolator Board
3.2.1 Alber Monitoring System
The matching Liebert NXL Battery Cabinet allows installing an optional Alber Battery monitoring
system in the cabinet. The Alber Battery Monitoring by Liebert continuously checks all critical
battery parameters, such as cell voltage, overall string voltage, current and temperature. Automatic
periodic tests of internal resistance of each battery will verify the battery’s operating integrity.
Additional capabilities include automatic internal DC resistance tests and trend analysis, providing
the ability to analyze performance and aid in troubleshooting.
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