Powerware 9390 UPS 100160 kVA - Manual (Page 155)

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UPS SYSTEM ONELINE DRAWING
091505 A
DESCRIPTION:
DATE:
DRAWING NO: SHEET:
REVISION:
MAINTENANCE
BYPASS PANEL
(PROVIDED BY OTHERS)
Output
from
UPS
MIB
To UPS
Input
MIB: MAINTENANCE ISOLATION BREAKER
MBP: MAINTENANCE BYPASS BREAKER
MBP
Backfeed
K5
K3
STATIC
SWITCH
AC INPUT
BATTERY
BREAKER
TYPICAL MAINTENANCE BYPASS PANEL POWER FLOW
BATTERY CABINET
UPS
164201603-4
CRITICAL LOAD
DISTRIBUTION
UNIT
NOTE If installing, as part of the UPS system, a maintenance bypass without a rectifier input
breaker, a minimum of two separate feeds with upstream feeder breakers, or one feed
with two upstream feeder breakers, must be provided: one for the UPS and one for
the maintenance bypass input. DO NOT use one feed or a single‐feeder breaker to
supply both the UPS and the maintenance bypass.
INSTALLATION INFORMATION
EATON Powerware ® 9390 UPS (20–80 kVA) Installation and Operation Manual S 164201603 Rev 2 www.powerware.com A-7