CAUTION: Risk of contact with hot surfaces. Can cause burn injury.
The compressors, pump motors and refrigerant discharge lines are extremely hot during unit
operation. Allow sufficient time for the compressors, pump motors and refrigerant discharge
lines to cool before working within the unit cabinet. Use extreme caution and wear protective
gloves and arm protection when working on or near hot compressor, pump motors or
discharge lines.
CAUTION: Risk of improper installation and startup. Can cause warranty cancellation,
equipment damage and injury.
Read and follow completely the installation and start up instructions that are factory supplied
with the unit.
CAUTION: Risk of sharp edges, splinters and exposed fasteners. Can cause personal injury.
Only properly trained personnel wearing appropriate safety headgear, gloves, shoes and
glasses should attempt to move, lift, remove packaging from or prepare the unit for installation.
NOTICE
Risk of a leaking coil due to freezing and/or corrosion. Can cause equipment and serious
building damage.
Cooling and heat rejection coils, heat exchangers and piping systems that are connected to
open cooling towers or other open water/glycol systems are at high risk for freezing and
premature corrosion. Fluids in these systems must contain the proper antifreeze and inhibitors
to prevent freezing and premature coil corrosion. The water or water/glycol solution must be
analyzed by a competent water treatment specialist before startup to establish the inhibitor
requirement. The water or water/glycol solution must be analyzed every six months to
determine the pattern of inhibitor depletion. The complexity of water-caused problems and
their correction makes it important to obtain the advice of a water treatment specialist and
follow a regularly scheduled maintenance program.
NOTICE
Risk of leaking chilled water lines. Can cause equipment and building damage.
Lines and joints must be inspected regularly. Improper installation, application and service
practices can result in water leakage from the unit. Water leakage can result in severe property
damage and loss of critical data center equipment. Do not locate unit directly above any
equipment that could sustain water damage. Vertiv recommends installing monitored leak
detection equipment for the unit and supply and return lines.
Vertiv | Liebert® XDC™ User Manual | 6
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