HP ProLiant Series ML100 - Manual (Page 9)

Optimum environment
When installing the server, select a location that meets the environmental standards described in this
Space and airflow requirements
a the front and back of the server
To allow for servicing and adequate airflow, observe the following space and airflow requirements when
deciding where to install a rack:
mum clearance of 121.9 cm (48 in) from the back of the rack to the back of another
ck
HP servers gh the front door and expel warm air through the rear door. Therefore,
section.
Tower server
In tower configuration, leave at least a 7.6-cm (3-in) clearance space at
for proper ventilation.
Rack server
• Leave a minimum clearance of 63.5 cm (25 in) in front of the rack.
• Leave a minimum clearance of 76.2 cm (30 in) behind the rack.
• Leave a mini
ra or row of racks.
draw in cool air throu
the front and rear rack doors must be adequately ventilated to allow ambient room air to enter the
cabinet, and the rear door must be adequately ventilated to allow the warm air to escape from the
cabinet.
CAUTION: To prevent improper cooling and damage to the equipment, do not block
ventilation openings.
the
When ver er or rack component, the gaps between the tical space in the rack is not filled by a serv
components cause changes in airflow through the rack and across the servers. Cover all gaps with
blanking panels to maintain proper airflow.
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 impro
cooling that can lead to thermal damage.
per
00 an
fro d
The 90 d 10000 Series Racks provide proper server cooling from flow-through perforations in the
rear doors that provide 64 percent open area for ventilation. nt an
a r
pro
CAUTION: When using a Compaq branded 7000 Series rack, you must install the high
i flow rack door insert [P/N 327281-B21 (42U) or P/N 157847-B21 (22U)] to provide
per front-to-back airflow and cooling.
ad o the equipment:
• Front and rear doors—If the 42U rack includes closing front and rear doors, you must allow
of holes evenly distributed from top to bottom to permit adequate
required 64 percent open area for ventilation).
rack
.75 in).
CAUTION: If a third-party rack is used, observe the following additional requirements to ensure
equate airflow and to prevent damage t
5,350 sq cm (830 sq in)
airflow (equivalent to the
• Side—The clearance between the installed rack component and the side panels of the
must be a minimum of 7 cm (2
Setup 9