Powerware (4080 KVA) 9390 User Manual download pdf (Page 42)

Installing a Remote Emergency Power-Off Control

5-2

Powerware

9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev C

6. Remove the screws securing the internal panel covering the TB1 and TB2 terminal

blocks at the top of the UPS cabinet (see Drawing 164201535-8 starting on

page A-33).

7. If installing interface wiring from the bottom of the cabinet, proceed to Step 8;

otherwise, proceed to Step 10.

8. Remove the screws securing the top internal safety shield panel and open the

panel to gain access to the bottom wiring entry.

9. Remove the screws securing the bottom internal safety shield panel and remove

the panel to gain access to the bottom conduit landing plate.

10. To locate appropriate terminals and to review the wiring and termination

requirements (see Figure 5 -1 and Drawing 164201535-8 starting on page A-33).

11. Route and connect the wiring as shown in Table 5-1 and Table 5-2.

12. If the normally-closed EPO contact is not u sed, connect the jumper wire between

pins 8 and 9 on TB1.

Table 5-1. REPO Wire Terminations

From REPO Station(s) To Customer Interface

Terminal Board TB1 in UPS Cabinet

Remarks

TB1-4 TB-7

Twisted Wires

(

)

TB1-5 TB-9

(

)

14–22 AWG

Table 5-2. R EPO

7(NO)

UPS TB1

REPO

Switch

(NO)

Twisted

Wires

9(RTN)

8(NC)

REPO switch ra ting is 24 Vdc. 1A minimum if suppl ied by user.

NOTE This switch must be a dedicated switch not tied into any other circuits.

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Powerware (4080 KVA) 9390 User Manual Page 42