2 Eaton 9155 UPS (8–15 kVA) User’s Guide 164201553—Rev H0
• Start-on-battery capability for powering up the UPS even if utility power is not available.
• Up to four hours of extended runtime with added EBMs.
• Emergency shutdown control through the remote emergency power-off (REPO) port.
• Standard communication options with a DB-9 serial port, relay output contacts, and programmable signal
inputs.
• Optional X-Slot
®
cards with enhanced communication capabilities for increased power protection and
control.
• Advanced power management with the Software Suite CD for graceful shutdowns and power monitoring.
• Backed by worldwide agency approvals.
11..11 OOppttiioonnss aanndd AAcccceessssoorriieess
The following options for the Eaton 9155 are available:
11..11..11 MMaaiinntteennaannccee BByyppaassss MMoodduullee ((MMBBMM))
The optional MBM is installed on the UPS rear panel and is used to bypass the UPS during maintenance or
servicing. The maintenance bypass switch on the MBM provides a Make-Before-Break (MBB) wrap-around
bypass for UPS service without shutting down the load.
11..11..22 PPoowweerr DDiissttrriibbuuttiioonn MMoodduullee ((PPDDMM))
The optional PDM provides the same functionality as the MBM and also comes equipped with several different
types of output receptacles.
11..11..33 BByyppaassss PPoowweerr MMoodduullee
The Eaton Bypass Power Module (BPM) is designed to be a maintenance bypass switch that also contains
flexible output power distribution and mounting options.
The BPM provides added reliability to Eaton uninterruptable power supply (UPS) systems by ensuring
seamless, uninterrupted, no-break transfer as well as a lock-out/tag-out (LOTO) feature to ensure the greatest
safety for UPS technicians and electricians. The BPM also offers output distribution in order to simplify wiring in
a rackmount IT environment, potentially removing the need for a panelboard, breakers, and conduit for
distribution.
11..11..44 PPaarraalllleell TTiiee CCaabbiinneett
An optional parallel system with up to three UPSs can be installed to provide a parallel capacity and/or
redundant system. This load sharing system provides more capacity than a single UPS and can provide backup,
depending on the load and configuration. In addition, when one UPS is taken out of service for maintenance or
is not operating properly, a redundant UPS continues to supply uninterrupted power to the critical load. A
parallel Powerware Hot Sync Controller Area Network (CAN) Bridge Card provides connectivity for system
metering and operational mode control. The parallel system consists of two to three UPSs, each with a parallel
CAN Bridge Card, and a parallel tie cabinet.
Refer to the Eaton 9155 Parallel UPS (8–15 kVA) User's Guide for more information.
11..11..55 IInnppuutt IIssoollaattiioonn TTrraannssffoorrmmeerr
The optional input isolation transformer is located at the bottom of a 3-high UPS model. The input isolation
transformer provides a neutral from a 208V or 240V input source with 240V output and can be wired to the UPS
or to an MBM/PDM.
11..11..66 SSeeiissmmiicc KKiitt
The optional seismic kit secures the UPS and optional EBMs for Zone 4 seismic installations.
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