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emergency power-off function is activated.
NOTE For Europe, the emergency switch requirements are detailed in Harmonized
document HD-384-48 S1, "Electrical Installation of the Buildings, Part 4: Protection
for Safety Chapter 46: Isolation and Switching."
Wire Function
EPO
NOTE Leave the EPO connector installed onto the EPO port of the
if the EPO function is not needed.
S ee Figure
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the EPO connector contacts.
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Y ou can set the EPO polarity. See the "EPO Input Polarity" setting
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Settings" on page 29.
N OTE Depending on user configuration, the pins must be shorted or opened to keep
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the UPS running. To restart the UPS, reconnect (re-open) the EPO connector pins and
turn on the UPS manually. Maximum resistance in the shorted loop is 10 ohm.
N OTE Always test the EPO function before applying your critical load to avoid
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accidental load loss.
Load Segments
L oad segments are sets of receptacles that can be controlled by power
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management software or through the display, providing an orderly shutdown and
startup of your equipment. For example, during a power outage, you can keep
critical equipment running while you turn off other equipment. This feature allows
you to save battery power.
Each UPS has two load segments:
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● Load Segment 1: The power shedding battery voltage of this segment can be set
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by LCD.
● Load Segment 2.
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S ee "Rear Covers" on page
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EPO Connections
Terminal Wire Size Rating
L1
4–0.32 mm2 (12–22 AWG)
L2
17, 18
on page
Figure 21
E PO Connections
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35
for EPO location. Figure
49
for load segments for each UPS model.
38
Suggested Wire Size
0.82 mm2 (18 AWG)
21
shows a
EPO
UPS even
schematic of
in "User
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