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Installing a Remote Emergency Power-off Switch
6. Remove the screws securing the internal panel covering the TB1 and TB2 terminal
7. If installing interface wiring from the bottom of the cabinet, proceed to Step 8;
8. Remove the screws securing the top internal safety shield panel and open the
9. Remove the screws securing the bottom internal safety shield panel and remove
10. To locate the appropriate terminals and review the wiring and termination
11. Route and connect the wiring as shown in Table 5-1 and Table 5-2.
12. If a normally-closed EPO switch is not used, ensure a jumper wire is connected
Table 5-1. REPO Wire Terminations
From REPO Station(s)
Table 5-2. REPO
REPO switch rating is 24 Vdc. 1A minimum if supplied by customer.
NOTE The REPO switch must be a latching-type switch with a dedicated circuit.
5-2
EATON Powerware
blocks at the top of the UPS cabinet (see Drawing 164201554-8 starting on
page A-33).
otherwise, proceed to Step 10.
panel to gain access to the bottom wiring entry.
the panel to gain access to the bottom conduit landing plate.
requirements, see Figure 5-1 and Drawing 164201554-8 starting on page A-33.
between pins 1 and 2 on UPS TB1.
Terminal Board TB1 in UPS Cabinet
TB1-4
TB1-5
(
LATCHING-TYPE
SWITCH ONLY)
4
REPO
Switch
(NO)
5
9390 UPS (100–160 kVA) Installation and Operation Manual S 164201554 Rev E powerware.com
®
To Customer Interface
TB-3
TB-4
1 (NC)
UPS TB1
2 (COMMON)
3 (NO)
Twisted
Wires
4 (COMMON)
Remarks
Twisted Wires (2)
14–22 AWG
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