UPS SYSTEM INSTALLATION
Eaton 9395 UPS (450–825 kVA) Installation and Operation Manual
S
164201725 Rev 4
www.eaton.com/powerquality
4-49
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 4‐34 on
page 4-41).
6.
Remove the left interface entry conduit landing plate to drill or punch holes (see
Figure 4‐23 on page 4-27).
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 3-11, Table 4‐1 on page 4-42,
and
Figure 4‐34
through Figure 4‐37 starting on page 4-44.
9.
Route and connect the wiring as shown in Table 4‐2 and Figure 4‐42.
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)
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 mm
2
)
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
Figure 4‐42. Normally-Open REPO Switch Wiring
