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IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions that must be closely followed during installation and
maintenance of this unit to maintain compliance with agency listings. Read all safety and operating
instructions before attempting to operate the XDF. Adhere to all warnings on the unit and in this
manual. Follow all operating and user instructions.
This product is designed for commercial / industrial use only. This product is not intended for use
with life support or other U.S. FDA designated “critical” devices. Maximum loads must not exceed
those shown on the Liebert XDF serial tag.
Operate this product in an indoor environment at an ambient temperature between 35°F and 104°F
(1.6°C to 40°C). Install in a clean environment, free from moisture, flammable liquids, gases and cor-
rosive substances.
This product must be connected to and powered by suitable AC supplies, rated in accordance with the
unit’s serial tag. It must be suitably grounded and protected by circuit breakers or fuses.
Power extension cables, if used, must be rated for the load and must not exceed 20 ft. (6.1m) in length.
Liebert recommends using shielded cables for all external communication interfaces.
Ensure that the XDF has proper ventilation. Never block or insert objects into the ventilation holes or
other openings. Maintain a minimum clearance of 36 in. (915mm) in front, behind, on the right side
and above the self-contained, air cooled XDF for proper airflow and service. The water/glycol cooled
XDF requires 36 in. (915mm) clearance in front, behind and on the right side. It does not require top
clearance.