Emergency Power Off (Epo); Figure 19 Connecting Epo Push Button - Liebert NX User Manual

5.3.6

Emergency Power Off (EPO)

The external emergency stop facility is identical to that described for the single unit installation—
that an individual emergency stop button is provided for each unit.

Figure 19 Connecting EPO push button

Remote EPO
(Customer-Supplied)
Remote EPO
(Customer-Supplied)
Field-Supplied Wiring
® ™
Liebert NX
SINGLE MODULE
Liebert NX Monitor Board
4
EPO_NO
3
+12V
2
+12V
1
EPO_NC
X2_J28
TWO MODULES IN PARALLEL
Liebert NX Monitor Board
EPO_NO
+12V
+12V
EPO_NC
X2_J28
Liebert NX Monitor Board
4
EPO_NO
3
+12V
2
+12V
1
EPO_NC
X2_J28
U3839652
Rev. 0
35
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