Powerware 100160 kVA manual Table U. Remote EPO

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. This switch must be a dedicated latching-type switch not tied into any other 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 U. Remote EPO

LATCHING-TYPE		UPS TB1
SWITCH ONLY
		1 (NC)
REMOTE	INSTALL JUMPER
EPO
	IF SWITCH NOT
SWITCH	INSTALLED THIS
(NC TYPE)	POSITION
	TWISTED	2 (COMMON)
OR
	WIRES
REMOTE		3 (NO)

EPO

SWITCH

(NO TYPE)

TWISTED

LATCHING-TYPE WIRES

SWITCH ONLY

4 (COMMON)

Remote EPO switch rating is 24 Vdc, 1A minimum.

NOTE: This switch must be a dedicated latching-type switch not tied into any other circuits.

DESCRIPTION: INTERFACE WIRING INSTALLATION

NOTES AND TERMINAL LOCATIONS

DRAWING NO: 164201604---8		SHEET:	6 of 13
REVISION: B	DATE: 032406

A-38EATON Powerware® 9390 UPS (100–160 kVA) Installation and Operation Manual S 164201604 Rev B powerware.com