Powerware 650825 kVA operation manual Repo Wire Terminations, Either Block, Return

UPS SYSTEM INSTALLATION

5.To gain access to terminal block TB1 and the interface entry conduit landing plate, remove the screws securing the top internal safety shield panel and remove the panel. Retain the hardware for later use (see Figure 4-27on page 4−32).

6.Remove the left interface entry conduit landing plate to drill or punch holes (see Figure 4-18on page 4−20).

7.Reinstall the interface entry plate and install conduit.

8.To locate the appropriate terminals and review the wiring and termination requirements, see paragraph 3.2.2 on page 3−8, Table 4-1on page 4−33, and Figure 4-27through Figure 4-30starting on page 4−35.

9.Route and connect the wiring as shown in Table 4-2and Figure 4-35.

10.If the normally−closed REPO TB1 connection in the UPS is not used, connect a jumper wire between pins 1 and 2 on TB1.

11.If you are installing multiple REPO switches, wire additional switches in parallel with the first REPO.

Table 4-2. REPO Wire Terminations

From REPO Station(s)	To Customer Interface	Wire Size	Tightening Torque
Switch Contact Block	Terminal Board TB1 in
(Either Block)	UPS Cabinet
3 NO	TB1-3	Twisted Wires (2)	7 lb in
		14–22 AWG
4 NO	TB1-4		(0.8 Nm)
		(0.75–4.0 mm2)

REPO Switch (NO)

3

4

Twisted Wires

1 (NC)

2(Return)

UPS TB1

3 (NO)

4 (Return)

NOTE REPO switch rating is 24 Vdc, 1A minimum.

NOTE The REPO switch must be a latching−type switch not tied to any other circuits. NOTE REPO normally−open and normally−closed return terminals are separated on the terminal board but are electrically in common.

Figure 4-35. Normally−Open REPO Switch Wiring

4−40 EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com