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System Description
3
1.3 Liebert XDO—Overhead Cooling Module
The Liebert XDO ceiling-mounted cooling module draws in hot air rising from densely populated cab-
inets, passes it over the Liebert XDO’s coils and exhausts cooled air downward into the cold aisle. The
unit is available with optional, flexible metal pipes with quick-connect couplings at each end for easy
connection to the refrigerant distribution pipes.
Figure 4 Suspended Liebert XDO modules in hot aisle-cold aisle arrangement
Cold Aisle
Cold Aisle
Cold Aisle
Hot Aisle
Hot Aisle
Hot aisles and cold aisles
alternate, taking advantage
of airflow properties to
increase cooling efficiency