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Piping
Liebert
®
CRV
™
14
5.0 PIPING
All fluid and refrigeration connections to the unit, with the exception of the condensate drain, are
sweat copper. Factory-installed piping brackets must not be removed. Field-installed piping must be
installed in accordance with local codes and must be properly assembled, supported, isolated and
insulated. Avoid piping runs through noise-sensitive areas, such as office walls and conference rooms.
Refer to specific text and detailed diagrams in this manual for other unit-specific piping
requirements.
All piping below the elevated floor must be arranged so that it offers the least resistance to airflow.
Careful planning of the piping layout under the raised floor is required to prevent the airflow from
being blocked. When installing piping on the subfloor, Emerson recommends installing the pipes in a
horizontal plane rather than stacked one above the other. Whenever possible, the pipes should be run
parallel to the airflow.
5.1 Fluid Connections
NOTICE
Risk of water leakage. Can cause severe property damage and loss of critical data center
equipment.
This unit requires a water drain connection. It may require an external water supply to
operate the humidifier. Improper installation, application and service practices can result in
water leakage from the unit.
Do not locate the Liebert CRV directly above any equipment that could sustain water damage.
Emerson recommends installing monitored leak detection equipment for the unit and supply
lines.