Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15
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7.
Reinstall the interface entry plate and install conduit.
8.
To locate the appropriate terminals and review the wiring and termination requirements, see paragraph
UPS System Power Wiring Preparation
, and
through
.
9.
Route and connect the wiring as shown in
and
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 24. 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
Figure 54. Normally-Open REPO Switch Wiring
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
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
). 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.
shows the wiring connections if the normally-closed REPO contacts are used, and
shows
alternative methods of connecting a REPO switch if using another manufacturer's switch.
Summary of Contents for Power Xpert 9395
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