Vertiv APM 0250kMK16FN02000, User Manual

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4.2.5 REPO Port
The UPS has an EPO function that operates by an EPO button on the touch screen of the UPS or by a remote contact
provided by the user. The EPO button has a protective cover.
J5 is the REPO port. The port is shown in Figure 4.8 below and described in Table 4.8 below.
F igu re 4.8 R EP O po rt J 5
Pin N am e M eaning s Pin N am e M eaning s
1 EPO-NC EPO activated when opened to Pin 2 3 + 12 V EPO activated when shorted to Pin 4
2 + 12 V EPO activated when opened to Pin 1 4 EPO-NO EPO activated when shorted to Pin 3
T able 4.8 Descriptio n o f R EP O po rt J 5
EPO is triggered when pins 3 and 4 of J5 are shorted or pins 2 and 1 of J5 are opened.
If an external EPO facility is required, pins 1 and 2 or 3 and 4 of J5 are reserved for this function. The external EPO facility is
also connected to the normally open or normally closed remote EPO switch between these two terminals using shielded
cable. If this function is not required, pins 3 and 4 of J5 must be opened and pins 1 and 2 of J5 must be shorted.
N O T E: T h e UP S EP O actio n sh u ts do wn th e rectifier, in verter an d static bypass, bu t it do es n o t
in tern ally disco n n ect th e m ain s in pu t po wer. T o disco n n ect all po wer to th e UP S, o pen th e extern al
po wer switch , bypass in pu t switch , o u tpu t switch an d B CB after EP O is activated.
4 Electrical Installation
48
Vertiv™ Liebert® APM Plus User Manual