4 INSTALLATION
These instructions apply only to installing the Liebert DCD on a DCM™ rack by Knurr®. For racks built by
other makers, refer to the instruction sheet shipped with the adapter kit to install the adapter and Liebert
DCD frame.
WARNING! Risk of heavy module falling. Can cause equipment damage, injury and death.
Two properly trained and qualified people are required to move and install the module. The
Liebert DCD weighs 210lb. (95kg). Do not leave a Liebert DCD standing unattended on its side
or its end without adequate support to prevent it from falling over. The Liebert DCD must be
supported at all times or laid flat on protective material until it is installed.
NOTICE
Risk of improper installation and commissioning. Can cause equipment damage.
Installation and commissioning of the Liebert DCD must be performed only by properly trained and
qualified personnel. All actions must be in accordance with regulations and the manufacturer’s
instructions.
NOTICE
Risk of improper assembly. Can cause unit to malfunction.
The Liebert DCD must be properly aligned and plumb with the rack to for the unit to function properly
and without water leaks. Use a carpenter’s level to make sure this requirement is met when commencing
the installation.
The hot and cold air within the case must be separated.
NOTICE
Risk of airflow obstructions. Can cause improper air circulation.
To ensure sufficient air circulation make sure there are no obstructions (e.g. packaging materials, tools
etc.) left in the unit or cabinet. In particular, check the Liebert DCD’s grids, heat exchanger, air intake and
the air outlet.
4.1 Liebert DCD Frame Preparations
The Liebert DCD mounts on the rear of the rack.
• Before attaching the frame: remove the rear door from the rack. Refer to the rack’s installation
manual for details.
• If the Liebert DCD was supplied with an aluminum profile and will be attached to a DCM rack:,
remove the profile from the Liebert DCD by removing the screws.
Vertiv | Liebert® DCD™ User Manual | 17
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