Eaton 9395C-1000/1000, Installation And Operation Manual

Page: 76 / 156

Installation
4-32 Eaton
®
Power Xpert
®
9395C UPS Installation and Operation Manual P-164000821—Rev 01 www.eaton.com/powerquality
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 4-18).
6. Remove the left interface entry conduit landing plate to drill or punch holes (see Figure 4-14).
7. Reinstall the interface entry plate and install conduit.
8. To locate the appropriate terminals and review the wiring and termination requirements, see paragraph
3.2.3, Table 4-1, and Figure 4-18through Figure 4-21.
9. Route and connect the wiring as shown in Table 4-2 and Figure 4-25.
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.
Figure 4-25. Normally-Open REPO Switch Wiring
12. If required, install wiring from the REPO switch to the trip circuitry of the upstream protective devices. A
second contact block is provided on the REPO switch for this function (see Figure 4-24). The REPO switch
wiring must be in accordance with NEC Article 725 Class 2 requirements.
13. Reinstall the top internal safety shield panel and secure with the retained hardware.
14. Reinstall the front door removed in Step 4 and secure with the retained hardware.
15. Close the door and secure the latch.
Table 4-2. REPO Wire Terminations
From REPO Station(s)
Switch Contact Block
(Either Block)
To Customer Interface
Terminal Board TB1 in
UPS Cabinet
Wire Size Tightening Torque
3 NO TB1-3
Twisted Wires (2) 14–22 AWG
(0.75–4.0 mm2)
7 lb in
(0.8 Nm)
4 NO TB1-4
3 (NO)
UPS TB1
REPO
Switch
(NO)
Twisted
Wires
1 (NC)
NOTE REPO switch rating is 24 Vdc, 1A minimum.
NOTE T he 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.
2 (Return)
4 (Return)
3
4