Vertiv | Liebert
®
NXL
™
500-750kVA UPS Installation Manual |
25
3.0
OPTIONAL EQUIPMENT
3.1
Single-Module System Options
3.1.1
Matching Maintenance Bypass Cabinet
A matching Liebert
®
NXL
™
Maintenance Bypass cabinet is available. See Maintenance Bypass
Cabinet installation manual (SL-24532), available at Vertiv’s Web site:
) for
details.
3.1.2
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.
3.1.3
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 Vertiv’s Web site:
).
3.1.4
Matching Module Battery Disconnect—MBD
The optional Module Battery Disconnect (MBD) can be used as a battery disconnect between a
battery system and the Liebert
®
NXL
™
UPS (for details, see the Liebert
®
NXL
™
Battery Cabinet
installation manual, SL-24530, available at Vertiv’s Web site:
).
3.1.5
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.
3.1.6
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
•
Alber
®
battery monitoring system
•
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.
