Instruction manual

Eaton 9390IT 20–40 kVA UPS SYSTEM WITH INTERNAL BATTERIES
208V INPUT/208V OUTPUT AND 480V INPUT/480V OUTPUT
SINGLE‐FEED OR DUAL‐FEED
BATTERY
BREAKER
UPS SYSTEM ONELINE DRAWING
021509D
164201603-5
DESCRIPTION:
DATE:
DRAWING NO: SHEET:
REVISION:
UPS CABINET
INVERTER
RECTIFIER
STATIC
SWITCH
REMOTE EPO
BUILDING ALARMS
AC OUTPUT
TO
CRITICAL LOAD
AC INPUT TO
UPS RECTIFIER
3 WIRE A-B-C
AC INPUT
TO BYPASS
3 or 4 WIRE A-B-C
ROTATION
ROTATION
NOTE 1. See Paragraph 4.7 on page 4-10
for dual‐feed.
2. See Note 7 on page A-14 for
neutral bonding instructions.
(See Drawing 164201603-10)
INPUT
CONTACTOR
(K1)
BATTERY
CONVERTER
BATTERY
CABINET
X-SLOT
INTERFACE
(Internal)
(DUAL FEED)
(DUAL FEED)
FUSE
E1, E2, E3
E6, E7, E8, E12
BACKFEED
CONTACTOR
(K5)
OUTPUT
CONTACTOR
(K3)
E4. E5
E9, E10,
E11, E12
FUSE
ALARM RELAY
FUSE
INTERFACE
BOARD
BATTERY AUX
BATTERY UVR
A
B
C
D
AC INPUT TO
UPS RECTIFIER AND BYPASS
(SINGLE FEED)
3 or 4 WIRE A-B-C
ROTATION
SEE NOTE
2 of 6
FACTORY INSTALLED
INTERNAL CONNECTIONS
INSTALLATION INFORMATION
Eaton
®
9390 UPS (20–80 kVA) and 9390IT (20-40 kVA) Installation and Operation Manual S 164201603 Rev 4 www.eaton.com/powerquality
A-8