6 8-10 kVA, 50/60 Hz (1-phase input) &
8-15 kVA, 50/60 Hz (3-phase input)
P-164000341
User's Guide Revision 1
The Hot Sync® technology was developed to allow parallel capacity system and to maintain the
highest system availability. An industry leading paralleling technology in its own right, the patented
Hot Sync enables you to set up a parallel redundant system giving you 100% conditioned power at all
times. Its unique digital design eliminates the system level single point of failure inherent in traditional
parallel UPS modules, and exponentially increases the reliability of the overall system.
Hot Sync allows up to four UPS units to cover the same load in parallel and redundant configuration.
No vulnerable master logic is needed in this patented design. It provides automatic load sharing and
module level redundancy with nothing other than the power connecting the Hot Sync version of UPS
modules.
2.5 DNV Type approval and ABS product design
assessment
Eaton 9155 and 9355 Marine UPS units can also be ordered with RFI filters installed at the factory,
making them especially suitable for use with vessel's sensitive bridge equipment. With an RFI
filter, the electromagnetic compatibility (EMC) requirements are complied with according to system
standard (IEC 60945). This design has Det Norske Veritas (DNV) type approval and American Bureau
of Shipping (ABS) product design assessment. To save space, the filter is mounted on the top of the
UPS module.
2.6 Basic system configuration
The following basic UPS system configurations are available:
A single UPS system:
• UPS cabinet (Single-phase in/out: 8-10 kVA, three-phase in and single-phase out: 8-10-12-15 kVA,
three-phase in/out: 8-10-12-15 kVA)
• Battery cabinets for extended back-up time
• Internal and/or external transformers with multiple input and output voltage choices
• Multilingual LCD display for easy configuration (Std.)
• Basic communication capability (Std.)
• Internal or external Maintenance Bypass Switch (MBS) for isolating the UPS during maintenance,
without interrupting continuous power to the load.
Adding optional accessories can enhance the UPS system configuration. These include extensive X-
slot communication adapters.
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