HP Xw460c HP BladeSystem c7000 Enclosure Setup and Installation Guide - Page 10

Space and airflow requirements

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These symbols, on power supplies or systems, indicate that the equipment is supplied by multiple sources of power. WARNING: To reduce the risk of injury from electric shock, remove all power cords to completely disconnect power from the system. • Each enclosure has two or more power supply cords. A single rack or cabinet may contain more than one enclosure. Power may be supplied in a redundant fashion. Removing any single source of power does not necessarily remove power from any portion of the system. When performing any service other than hot-plug module replacement, you must completely disconnect all power to that portion of the system. • When performing service procedures on enclosures, shut off the circuit breakers to both A and B AC power feeds and then disconnect all power cords from the outlets before servicing. WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the internal system components to cool before touching them. WARNING: To reduce the risk of electric shock or damage to the equipment, enter enclosures or perform service on system components only as instructed in the user documentation. WARNING: A risk of electric shock from high leakage current exists. Before connecting the AC supply to the power enclosures, be sure that the electrical outlets are properly grounded (earthed). CAUTION: Always be sure that equipment is properly grounded and that you follow proper grounding procedures before beginning any installation procedure. Improper grounding can result in ESD damage to electronic components. For more information, refer to, "Electrostatic discharge (on page 96)." CAUTION: When performing non-hot-plug operations, you must power down the server blade and/or the system. Use caution when performing other operations, such as hot-plug installations or troubleshooting. CAUTION: Protect the equipment from AC power fluctuations and temporary interruptions with a regulating facility UPS device. This device protects the hardware from damage caused by power surges and voltage spikes and keeps the system in operation during a power failure. IMPORTANT: Data on the dimensions and weights of HP BladeSystem c-Class components can be found in the HP BladeSystem c-Class Maintenance and Service Guide. The same data can be determined by using the online HP BladeSystem c-Class Sizing Utility. Space and airflow requirements To enable servicing and ensure adequate airflow, observe the following spatial requirements when deciding where to install an HP branded, Compaq branded, telco, or third-party rack: • 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) in back of the rack. Planning the installation 10

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Planning the installation 10
These symbols, on power supplies or systems, indicate that the equipment is supplied
by multiple sources of power.
WARNING:
To reduce the risk of injury from electric shock, remove all power cords
to completely disconnect power from the system.
•
Each enclosure has two or more power supply cords. A single rack or cabinet
may contain more than one enclosure. Power may be supplied in a redundant
fashion. Removing any single source of power does not necessarily remove power
from any portion of the system. When performing any service other than hot-plug
module replacement, you must completely disconnect all power to that portion of
the system.
•
When performing service procedures on enclosures, shut off the circuit breakers to
both A and B AC power feeds and then disconnect all power cords from the
outlets before servicing.
WARNING:
To reduce the risk of personal injury from hot surfaces, allow the drives and the
internal system components to cool before touching them.
WARNING:
To reduce the risk of electric shock or damage to the equipment, enter enclosures
or perform service on system components only as instructed in the user documentation.
WARNING:
A risk of electric shock from high leakage current exists. Before connecting the AC
supply to the power enclosures, be sure that the electrical outlets are properly grounded
(earthed).
CAUTION:
Always be sure that equipment is properly grounded and that you follow proper
grounding procedures before beginning any installation procedure. Improper grounding can
result in ESD damage to electronic components. For more information, refer to, "Electrostatic
discharge (on page
96
)."
CAUTION:
When performing non-hot-plug operations, you must power down the server blade
and/or the system. Use caution when performing other operations, such as hot-plug
installations or troubleshooting.
CAUTION:
Protect the equipment from AC power fluctuations and temporary interruptions with
a regulating facility UPS device. This device protects the hardware from damage caused by
power surges and voltage spikes and keeps the system in operation during a power failure.
IMPORTANT:
Data on the dimensions and weights of HP BladeSystem c-Class components can
be found in the
HP BladeSystem c-Class Maintenance and Service Guide
. The same data can
be determined by using the online HP BladeSystem c-Class Sizing Utility.
Space and airflow requirements
To enable servicing and ensure adequate airflow, observe the following spatial requirements when
deciding where to install an HP branded, Compaq branded, telco, or third-party rack:
•
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) in back of the rack.