Eaton Powerware 9390 Installation And Operation Manual page 195

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.
Table Z. Remote EPO
REMOTE
EPO
SWITCH
(NC TYPE)
OR
REMOTE
EPO
SWITCH
(NO TYPE)
Remote EPO switch rating is 24 Vdc, 1A minimum.
NOTE: The REPO switch must be a latching‐type switch with a
dedicated circuit.
EATON Powerware
LATCHING‐TYPE
SWITCH ONLY
INSTALL
JUMPER IF
SWITCH NOT
INSTALLED
THIS POSITION
TWISTED
WIRES
TWISTED
WIRES
LATCHING‐TYPE
SWITCH ONLY
DESCRIPTION:
DRAWING NO:
REVISION:
® 9390 UPS (20–80 kVA) Installation and Operation Manual
UPS TB1
1 (NC)
2 (RETURN)
3 (NO)
4 (RETURN)
INTERFACE WIRING INSTALLATION
NOTES AND TERMINAL LOCATIONS
164201603-8
DATE:
B
S
164201603 Rev 2 www.powerware.com
INSTALLATION INFORMATION
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