CAUTION:CAUTION: To prevent improper cooling and damage to the equipment, do not block the ventilation openings.
When vertical space in the rack is not filled by a storage server or rack component, the gaps between the components cause changes in
airflow through the rack and across the storage servers. Cover all gaps with blanking panels to maintain proper airflow.
CAUTION:CAUTION: Always use blanking panels to fill empty vertical spaces in the rack. This arrangement ensures proper airflow.
Using a rack without blanking panels results in improper cooling that can lead to thermal damage.
The 9000 and 10000 Series Racks provide proper server cooling from flow-through perforations in the front and rear doors that provide 64
percent open area for ventilation.
CAUTION:CAUTION: When using a Compaq branded 7000 series rack, install the high airflow rack door insert (PN 327281-B21 for
42U rack, PN 157847-B21 for 22U rack) to provide proper front-to-back airflow and cooling.
CAUTION:CAUTION:
If a third-party rack is used, observe the following additional requirements to ensure adequate airflow and to prevent
damage to the equipment:
Front and rear doors—If the 42U rack includes closing front and rear doors, you must allow 5,350 sq cm (830 sq in) of
holes evenly distributed from top to bottom to permit adequate airflow (equivalent to the required 64 percent open
area for ventilation).
Side—The clearance between the installed rack component and the side panels of the rack must be a minimum of 7 cm
(2.75 in).
Temperature requirementsTemperature requirements
To ensure continued safe and reliable equipment operation, install or position the system in a well-ventilated, climate-controlled
environment.
The maximum recommended ambient operating temperature (TMRA) for most server products is 35°C (95°F). The temperature in the room
where the rack is located must not exceed 35°C (95°F).
CAUTION:CAUTION:
To reduce the risk of damage to the equipment when installing third-party options:
Do not permit optional equipment to impede airflow around the server or to increase the internal rack temperature
beyond the maximum allowable limits.
Do not exceed the manufacturer’s TMRA.
Power requirementsPower requirements
Installation of this equipment must comply with local and regional electrical regulations governing the installation of information technology
equipment by licensed electricians. This equipment is designed to operate in installations covered by NFPA 70, 1999 Edition (National
Electric Code) and NFPA-75, 1992 (code for Protection of Electronic Computer/Data Processing Equipment). For electrical power ratings on
options, refer to the product rating label or the user documentation supplied with that option.
WARNING:WARNING:
To reduce the risk of personal injury, fire, or damage to the equipment, do not overload the AC supply branch circuit that
provides power to the rack. Consult the electrical authority having jurisdiction over wiring and installation requirements of
your facility.
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