HP BL10e HP ProLiant BL e-Class System Setup and Installation Guide - Page 31

Planning the Installation, HP ProLiant BL e-Class System Setup and Installation Guide, CAUTION

Page 31 highlights

Planning the Installation CAUTION: If an HP or 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 server 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). CAUTION: Always use blanking panels to fill all remaining empty front panel Uspaces in the rack. This arrangement ensures proper airflow. Using a rack without blanking panels results in improper cooling that can lead to thermal damage. HP ProLiant BL e-Class System Setup and Installation Guide 2-3

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Planning the Installation
CAUTION:
If an HP or 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 server 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).
CAUTION:
Always use blanking panels to fill all remaining empty front panel U-
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.
HP ProLiant BL e-Class System Setup and Installation Guide
2-3