Liebert Cooling System XDV - Manual (Page 22)

Mounting the Liebert XDV
16
5.3 Mounting Liebert XDVs in Stacked Setup
Liebert designed the Liebert XDV to permit mounting the units in a stacked arrangement to increase
the system’s heat-removal. Stacking may be done either during the original system or added later to
an existing configuration.
Stacking Liebert XDVs is possible when suspending units from either Unistruts or from the overhead
structure. Hanger brackets are available in two lengths to ease hanging Liebert XDVs in a stacked
arrangement.
The upper Liebert XDV must be positioned forward of the front of its companion Liebert XDV for effi-
cient heat removal (see Figure 17).
Figure 17 Stacking configuration offset
For details on preventing
recirculation, see Figure 16.
Hanging brackets suspend
stacked Liebert XDVs from either
Unistruts or from roof structure
Upper Liebert XDV must
line up with front edge of
lower Liebert XDV
Lower Liebert XDV must line up
with front edge of the cabinet
(space between Liebert XDV and
cabinet must be blocked to prevent
recirculation of cooled air
FRONT
OF
CABINET
Rear of Liebert XDVs