Vertiv
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Liebert
®
EXM
™
BDC User Manual | Rev. 3 | 01/18 |
7
1.3
Locating the Cabinet
This Liebert EXM BDC may be mounted to the right of the UPS or installed as a stand-alone unit. Ensure that the
unit is in a well-ventilated area and that there is clearance for access to the switches and cable connections as
required by national and local codes.
When the BDC is ordered as a stand-alone cabinet, connecting cables are not included.
1.4
Cable Installation
1.4.1
Wiring Preparation
Be sure that the unit is not connected to any AC utility power source or UPS before installing any wiring to this
unit. This Liebert EXM BDC should be installed by a qualified / certified electrician.
Removing the Cover Plates
Plates cover the input and output terminals on the front of the Liebert EXM BDC (see
Figure 2
). Remove these
and keep the screws and plates for reinstallation.
Figure 2
Liebert EXM BDC—Access plate removed
1.4.2
Power Cable Installation
Refer to Table 42 when selecting cables.
WARNING
Risk of electrical shock and arc flash. Can cause property damage, injury and death.
Read this section thoroughly before attempting to install wiring to this unit. Read and comply with all
warnings and cautions in this manual.
NOTE
Transient and steady state earth leakage currents may occur when starting the equipment. This should be taken
into account when selecting ground current detection devices because these will carry the earth leakage
currents of both the UPS equipment and the load.
