Eaton Powerware 9390-160/100 Installation And Operation Manual page 206

Installation Information
11.
The Remote EPO feature opens all contactors in the UPS cabinet and isolates power from
your critical load. Local electrical codes may also require tripping upstream protective
devices to the UPS. The REPO switch must be a latching-type switch with a dedicated
circuit.
12.
A jumper wire must be connected between pins 1 and 2 on TB1, if a normally-closed EPO
switch is not used or a normally-open EPO switch is used.
13.
Remote EPO wiring should be a minimum of 22 AWG.
A-38
EATON Powerware
Table U. Remote EPO
LATCHING-TYPE
SWITCH ONLY
REMOTE
EPO
SWITCH
(NC TYPE)
OR
REMOTE
EPO
SWITCH
(NO TYPE)
LATCHING-TYPE
SWITCH ONLY
Remote EPO switch rating is 24 Vdc, 1A minimum.
NOTE:
The REPO switch must be a latching-type switch with a
dedicated circuit.
9390 UPS (100–160 kVA) Installation and Operation Manual S 164201554 Rev E powerware.com
®
UPS TB1
1 (NC)
INSTALL JUMPER
IF SWITCH NOT
INSTALLED THIS
POSITION
2 (COMMON)
TWISTED
WIRES
3 (NO)
4 (COMMON)
TWISTED
WIRES
DESCRIPTION:
INTERFACE WIRING INSTALLATION
NOTES AND TERMINAL LOCATIONS
DRAWING NO:
164201554---8
REVISION:
D
SHEET:
6 of 13
DATE:
032406