• Module Battery Disconnect—The UPS system utilizes a separate Module Battery Disconnect (MBD) for
remotely located batteries. A sensing circuit in the UPS module, set at the battery low voltage limit, trips the
Module Battery Disconnect to safeguard the battery from excessive discharge. The Module Battery Disconnect
has an undervoltage release mechanism designed to ensure that during any shutdown or failure mode all
battery potential is removed from the UPS system.
• Alber™ Monitoring System—The matching Liebert® Battery Cabinet allows installing an optional Alber
battery-monitoring system in the cabinet. The Alber battery monitoring continuously checks all critical battery
parameters, such as cell voltage, overall string voltage, current and temperature.
• Multi Bus Synchronization Module (MBSM) The MBSM provides a frequency reference signal to each
connected UPS. Each UPS uses the frequency reference signal, when appropriate, to automatically phase lock
the inverter. Each UPS in the system is supplied by a common electrical bus; the UPS synchronization source
(reference) is per default the power source connected on its reserve input and, because it is the power source
common to all the UPSs, the inverters’ outputs will be in synchronization. If the main power (reserve inputs) fail,
each UPS will synchronize its inverter to the signal coming from the MBSM and, as a result, the inverters will
remain synchronized.
• DC Ground Fault - Some regulatory agencies require a system to detect battery DC ground faults in
ungrounded DC systems. Generally, for Trinergy Cube, this applies to battery systems field-wired to the UPS.
For details, contact your local Vertiv representative.
2.5 Setpoints (User Adjustable)
The following will change the settings of the modules:
• Display Options
• Display Properties (Language, Auto-Logout Timer, Calibrate Touchscreen)
• Date & Time (Time Zone, Date, Local Time)
• Format (Date, Time, Measurement System)
• Custom Labels (Settings, Network Interfaces)
• Audible Alarm - Silence, Enable, Disable
• Manage Permissions - Operator and Admin pin number
• Dial Control Setup - Center, Upper and Lower Meter UPS Setting - Enable/Disable Audible Alarm
2 Introduction
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