Instruction manual

POWER WIRING INSTALLATION NOTES
071608C
NOTE Customer ground can be run in any conduit listed in Table O.
8 of 23
DESCRIPTION:
DATE:
DRAWING NO: SHEET:
REVISION:
164201603-6
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-20
Table M. UPS Cabinet Power Cable Terminations for the Powerware 9390/9390IT-40/20,
9390/9390IT-40/30, and 9390/9390IT-40/40 (208V/220V Input and 208V/220V Output and
380V/400V/415V/480V Input and 380V/400V/415V/480V Output)
Terminal Function Terminal Function
Size of Pressure
Termination
Tightening
Torque
Nm (lb in)
Type
Screw
AC Input to UPS Rectifier
and Bypass
(Single Input)
E6 Phase A 1 - #14-2/0
13.5 (120)
3/16 in. Hex
E7 Phase B 1 - #14-2/0
13.5 (120)
3/16 in. Hex
E8 Phase C 1 - #14-2/0
13.5 (120)
3/16 in. Hex
AC Input to UPS Rectifier
(Dual Input)
E1 Phase A 1 - #14-2/0 13.5 (120) 3/16 in. Hex
E2 Phase B 1 - #14-2/0 13.5 (120) 3/16 in. Hex
E3 Phase C 1 - #14-2/0 13.5 (120) 3/16 in. Hex
AC Input To Bypass
(Dual Input)
E6 Phase A 1 - #14-2/0
13.5 (120)
3/16 in. Hex
E7 Phase B 1 - #14-2/0
13.5 (120)
3/16 in. Hex
E8 Phase C 1 - #14-2/0
13.5 (120)
3/16 in. Hex
Single‐Feed To Dual‐Feed
Remove Jumpers between
Rectifier Input Terminals
and Bypass Input
Terminals
— Phase A N/A 5.6 (50) 1/4–20 Hex Nut
— Phase B N/A 5.6 (50) 1/4–20 Hex Nut
— Phase C N/A 5.6 (50) 1/4–20 Hex Nut
AC Output to
Critical Load
E9 Phase A 1 - #14-2/0
13.5 (120)
3/16 in. Hex
E10 Phase B 1 - #14-2/0
13.5 (120)
3/16 in. Hex
E11 Phase C 1 - #14-2/0
13.5 (120)
3/16 in. Hex
DC Input from
Battery to UPS
E4 Positive 1 - #14-2/0
13.5 (120)
3/16 in. Hex
E5 Negative 1 - #14-2/0
13.5 (120)
3/16 in. Hex
Input and Output Neutral E12 Neutral 4 - #14-1/0 5.6 (50) Slotted
Customer Ground Ground Ground 8 - #14-1/0 5.6 (50) Slotted