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System Description
4
1.4 Liebert XDV—Vertical, Above-Cabinet Cooling Module
The Liebert XDV is installed on top of or above a rack enclosure. It is available with optional flexible
metal pipes with automatic shutoff with quick-connect couplings at the ends for easy connection to
the refrigerant distribution pipes. The Liebert XDV may be set up in either of two ways:
• The Liebert XDV can take hot air directly from an equipment enclosure, cool the air and dis-
charge it downward into the cold aisle.
OR
• The Liebert XDV can draw hot air from the room, cool the air and discharge the cool air down-
ward into the cold aisle.
Figure 5
Top-mounted Liebert XDV modules with fixed piping in hot aisle-cold aisle arrangement
Figure 6 Top-mounted Liebert XDV modules with flexible piping in hot aisle-cold aisle
arrangement
Hot aisles and cold aisles
alternate, taking advantage
of airflow properties to
increase cooling efficiency
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
Cold Aisle
Cold Aisle
Hot Aisle
Hot Aisle