
XD Overhead Cooling Module—Liebert XDO
22
4.0 XD OVERHEAD COOLING MODULE—LIEBERT XDO
Standard Features XDO
• Micro Channel Heat Exchanger—The Liebert XDO unit includes two all-aluminum micro channel
heat exchangers.
• Fan—Air is drawn in the sides of the unit through the heat exchangers, and is discharged by the
fan to area below —XDO fan tray hinges down to allow access to replace or service all electrical
components.
• Internal Mounting—The Liebert XDO unit is typically suspended from the overhead building
structure by inserting field-supplied threaded rods into the internal mounting brackets.
Optional Features XDO
• External Mounting Brackets—The Liebert XDO unit can be suspended by external mounting
brackets that are attached to the front and rear panels of the unit. The external mounting brack-
ets are optional ship-loose items.
• Condensate Detection—The Liebert XDO unit is available with optional factory-installed conden-
sate detection. The condensate detection has connection points (dry contacts) inside the unit.
• Lighting Fixture—Field installable lighting fixtures are available in two different voltages, 120V
or 277V. Light Fixture maybe attached to the bottom of the light panel to the left and right of the
fan. Each fixture consists of housing, reflector, ballast and diffuser. Fixtures are compatible with
standard 48" fluorescent tubes. Lamps are not included.
Figure 22 XDO dimensional data
24"
(609.6mm)
72"
(1828.8mm)
22-1/2"
(571.5mm)
24"
(609.6mm)
FRONT OF XDO
FRONT OF XDO
RIGHT SIDE
OF XDO
BACK OF XDO
DO NOT
LIFT HERE
DO NOT
LIFT HERE
LEFT SIDE
OF XDO
3" (76.2mm)
34-7/8"
(886mm
)
33-1/8"
(841mm
)
7-1/4"
(184mm)
5-7/8"
(149mm)
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