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HP 418800-B21 - StorageWorks Modular Smart Array 70 Storage Enclosure User Manual: Temperature Requirements; Power Requirements

Modular smart array enclosure.
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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 requirements

To ensure continued safe and reliable equipment operation, install or position the enclosure in a
well-ventilated, climate-controlled environment.
The maximum recommended ambient operating temperature (TMRA) for most enclosure products is
35°C (95°F). The temperature in the room where the rack is located must not exceed 35°C (95°F).
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 enclosure or to increase the in-
ternal rack temperature beyond the maximum allowable limits.
Do not exceed the manufacturer's TMRA.

Power requirements

Installation of this equipment must comply with local and regional electrical regulations governing the
installation of IT 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, see the product rating label or the user documentation supplied with that option.
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.
CAUTION:
Protect the enclosure from power fluctuations and temporary interruptions with a regulating
uninterruptible power supply (UPS). This device protects the hardware from damage caused by power
surges and voltage spikes and keeps the enclosure in operation during a power failure.
When installing more than one enclosure, you may need to use additional power distribution devices
to safely provide power to all devices. Observe the following guidelines:
14
Installing the enclosure

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