INTRODUCTION
Eaton 9395 UPS (450–825 kVA) Installation and Operation Manual
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164201725 Rev 4
www.eaton.com/powerquality
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1.3
Battery System
Although not provided with the UPS, a battery system is required to provide
emergency short-term backup power to safeguard operation during brownouts,
blackouts, and other power interruptions. The battery system should be equipped
with lead‐acid batteries. An external battery disconnect switch must be used.
The UPMs may be powered with either a common or separate battery system. In a
common battery system, single and multiple UPMs are powered from one common
battery source. In a separate battery system, multiple UPMs are each powered from
separate battery sources.
UPMs in distributed bypass and parallel systems must use a separate battery system.
A supplemental 48 Vdc shunt trip signal for the battery disconnect device is provided
by the UPS, but is not required for normal operation.
1.4
Basic System Configurations
The following basic UPS system configurations are possible:
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Single UPS with three common battery UPMs and a standalone common battery
system with a battery disconnect
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Single Plus 1 UPS with three common battery UPMs, a common battery FI-UPM,
and a standalone common battery system with a battery disconnect
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Single 825/550 UPS with two common battery UPMs and a standalone common
battery system with a battery disconnect
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Single UPS with three separate battery UPMs and a standalone separate battery
system with a battery disconnect for each UPM
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Single Plus 1 UPS with three separate battery UPMs, a separate battery FI-UPM,
and a standalone separate battery system with a battery disconnect for each UPM
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Single 825/550 UPS with two separate battery UPMs and a standalone separate
battery system with a battery disconnect for each UPM
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Distributed bypass system with two to five UPSs and a customer-supplied
tie cabinet
The UPS system configuration can be enhanced by adding optional accessories such
as a Remote Emergency Power-off (REPO) control, RMP II, or X-Slot communication
cards.
The base configuration (first two digits of the configuration number) for the UPS are
listed in Table 1‐1. The configuration number can be found on the rating label
mounted on the internal safety shield panel inside the front door.
Table 1‐1. Base Configuration Digits
Configuration
Base Digits
825 kVA ISBM, two UPM, Continuous Static Switch (CSS)
CS
825 kVA ISBM, three UPM, Momentary Static Switch (MSS)
CU
825 kVA ISBM, four UPM (Plus 1), MSS
CV
825 kVA ISBM, three UPM, Continuous Static Switch (CSS)
CE
825 kVA ISBM, four UPM (Plus 1), CSS
CG
825 kVA IOM, three UPM
CN
825 kVA IOM, four UPM (Plus 1)
CP