Eaton UPS Sidecar Powerware 9390 Installation And Operation Manual

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Contents

EATON Powerware® 9390 UPS Sidecar Installation and Operation Manual S 164201586 Rev E www.powerware.com 4-1Chapter 4 UPS Sidecar Features, Controls, and Operation4.1 UPS Sidecar Standard FeaturesThe UPS Sidecar has many standard features that provide cost-effective andconsistently reliable power distribution. The descriptions provide a brief overview ofthe UPS Sidecar controls, and standard and optional features.4.1.1 Maintenance Bypass ConfigurationA Maintenance Bypass switch (MBP), in combination with the Maintenance Isolationswitch (MIS), can be used to completely isolate the UPS during service. The UPS canbe serviced or replaced without interrupting power to critical systems.4.1.2 Parallel Redundant ConfigurationModule Output Breakers 1 and 2 enable two UPS modules to be paralleled togetherfor redundancy. An optional System Load Breaker provides output control to thecritical load for the whole system.4.1.3 Customer InterfaceThe UPS Sidecar uses one UPS building alarm input for Maintenance Bypass SwitchMonitoring. The building alarm is used to detect when the Maintenance Bypassswitch is closed and the system is on bypass.4.1.4 Installation FeaturesThe UPS Sidecar is factory-installed to the side of the UPS cabinet. Power wiring canbe routed through the top or bottom of the cabinet with connections made to easilyaccessible terminals. Parallel redundant modules can be installed in line-up-and-matchor standalone configurations. Line-up-and-match cabinets are wired through the sidepanels of the units.4.1.5 ExpansionThe UPS Sidecar supports custom configurations and scalability to adapt to changingand future power and distribution needs. See paragraph 4.2 for available options.4.2 OptionsContact your sales representative for information about any of these available options:4.2.1 Bypass Input Breaker (BIB)Maintenance bypass configurations have an optional BIB for single-feed and dual-feedsystems. The BIB provides a single point of input power control to the UPS and easilyremoves power from the UPS for servicing.Figure