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Liebert XD Cooling Modules—Liebert XDO, Liebert XDV, Liebert XDH and Liebert XDCF
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4.5 Liebert XDCF Installation Considerations
No cutting or drilling is required to attach the modules to the rear of the Egenera BladeFrame cabi-
net. All mounting holes, slots and pins required are fabricated at the factory.
Liebert XDCF modules attach beside the power modules on the rear of the Egenera BladeFrame (see
Figure 41).
Figure 41 Liebert XDCF unit mounting locations
4.6 Liebert XDCF Piping Connection Methods and Points
The assembly and connection means used for piping in the Liebert XD system are the same as those
used in conventional refrigeration systems. Observe all standard practices during installation and
startup to prevent damage and contamination.
Supply piping connection is 1/2" OD copper pipe, and return piping connection is 5/8" OD copper. Both
supply and return fittings are one-shot connections. These fittings contain pressurized R-134a refrig-
erant inside the Liebert XDCF.
The Liebert XDCF has supply and return piping access on the top of each module.
!
WARNING
Risk of explosive discharge. Can cause death, injury and equipment damage.
Do not disconnect one-shot connections after they have been connected. Disconnection will
release pressurized R-134a refrigerant from the Liebert XDCF.
Detail Area: A
(Lower Module
Mounting Area)
BladeFrame
Power Modules
Detail Area: B
(Upper Module Mounting Area)
Enlarged Detail Area "A"
(Lower Module Mounting Area)
Captive nuts
for right side
mounting
fasteners
Captive nuts
for right side
mounting
fasteners
Enlarged Detail Area "B"
(Upper Module Mounting Area)
Locator stud for upper
unit mounting angle
Locator stud for lower
unit mounting angle
Egenera BladeFrame