Powerware Powerware 9315 operation manual REPO Installation, Chapter

Chapter 5 Installing a Remote Emergency Power-off Control

A latching-type Remote Emergency Power-off (REPO) switch can be used in an emergency to shut down the UPS and remove power to the critical load from a location away from where the UPS is installed. Figure 5‐1 shows an Eaton REPO switch.

REPO Switch (Front View) Contact Block (Back View, Faceplate Removed)

Figure 5‐1. Eaton REPO Switch

5.1REPO Installation

NOTE Before installing a REPO switch, verify that the UPS was installed according to the instructions in

Chapter 3, “Installing the UPS System.”

To install a REPO station:

1.Verify that the UPS system is turned off and all power sources are removed. See Chapter 9, “UPS Operating Instructions,” for shutdown instructions.

2.Securely mount the REPO station. Recommended locations include operator's consoles or near exit doors. See Figure A‐25 on page A-37for enclosure dimensions and wiring knockouts.

3.Install wiring from the REPO station using ½” conduit through the cable entry knockout in the top of the UPS Output/Inverter cabinet. See Appendix A for conduit landing area, terminal board location, and terminal wiring assignments.

4.Connect the REPO wiring as shown in Table 5‐1 and Figure 5‐2.

Table 5‐1. REPO Wire Terminations

From Customer Interface	To REPO Station(s)	Wire Size	Tightening Torque
Terminal Board CUSTTB in	Contact Block
UPS Output/Inverter Cabinet	(Either Block)
CUSTTB‐9	3 N.O.	Twisted Wires (2)	7 lb in
		18–12 AWG
CUSTTB‐10	4 N.O.		(0.8 Nm)
		(0.75–4.0 mm2)

EATON Powerware® 9315 UPS (500–750 kVA) Installation and Operation Manual S 164201244 Rev E www.powerware.com 5-1