Emerson UPS Systems installation manual Control wiring connections without, Interlock

Installation Drawings

Figure 15 Liebert NXL Maintenance Bypass Cabinet Control wire diagram without interlock

Connections at UPS External

Interface Board (EIB) 1 3

02-806708

		TB0821
		TB0811	3
		1
1	3	TB0813	3
		1
		TB0824

LOW VOLTAGE

TERMINAL STRIP

- TB1 -

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

TB1-13 TB1-12 TB1-11

TB1-10

TB1-9

TB1-8 TB1-7 TB1-6

TB1-5 TB1-4 TB1-3 TB1-2

TB1-1

TB0813

TB0811

TB0823

TB0821

EPO PB SW

Table 4	Control wiring connections without
	interlock
From	To	Purpose
TB1-1	Customer EPO
	Push Button Switch
		EPO Signal
TB1-2	Customer EPO
	Push Button Switch
TB1-3	TB0821-2	Maint. Bypass Enable
TB1-4	TB0821-1	Contacts
TB1-5	TB0824-3
TB1-6	TB0824-2	UPS REPO Contacts
TB1-7	TB0824-1
TB1-8	TB0811-3
TB1-9	TB0811-2	MIB Contacts

WIRE DIAGRAM WITHOUT INTERLOCK

TB1-10	TB0811-1
TB1-11	TB0813-3
TB1-12	TB0813-2	MBB Contacts
TB1-13	TB0813-1

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