Liebert NX User Manual

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34 Liebert
®
NX
™
Auxiliary Dry Contact Cables
The external output breaker of each UPS must have Normally Open auxiliary contacts. These
contacts must be wired to connector X3 on the Parallel Logic Board (M3). See Figure 18.
Figure 18 Auxiliary dry contact cables for output breaker in multi-module system
!
CAUTION
The auxiliary control wire must be installed to ensure proper operation of the system.
NOTE
For startup procedure, 11.2 - UPS Startup.
485-
P2 X2 2
485+
DBS
X3
P1 X2 1
:X T M AIN T

Liebert NX Specifications

General

Frequency	50/60 Hz
Topology	Double Conversion/Online
Input Voltage	208, 220, 240 VAC
Output Voltage	208, 220, 240 VAC
Battery Type	VRLA
Operating Temperature	0 to 40°C (32 to 104°F)
Humidity Range	0 to 95% (non-condensing)