HP LH4r HP Netserver LH 3/3r User Guide - Page 48

Ventilating Fans

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Chapter 7 Installing Additional Power Supplies • a fan assembly • a user guide Installing Additional Power Supplies Refer to the HP NetServer Redundancy Kit User Guide for instructions on how to install additional power supplies. Ventilating Fans HP NetServer fans are placed to ventilate and cool internal components. The Redundancy Kit includes a fan assembly with two fans that mounts directly in front of the fans cooling the power supplies. In general, if any one fan fails, the NetServer continues operation, but if two fans fail, thermal shutdown will occur. CAUTION The NetServer must have its covers in place for proper cooling. If you open the NetServer while it is operating, do not run it for more than 3 minutes. Do not run the NetServer for more than 2 minutes without at least one working fan in the fan assembly mounted immediately behind the power supplies or in the exhaust fan assembly. Failure to observe these precautions may result in thermal damage to the NetServer. Servicers can hot-swap any fan except the processor fan. If this fan fails, or if the metal baffle is removed, thermal damage to the NetServer can occur. 40

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Chapter 7
Installing Additional Power Supplies
40
•
a fan assembly
•
a user guide
Installing Additional Power Supplies
Refer to the
HP NetServer Redundancy Kit User Guide
for instructions on how to
install additional power supplies.
Ventilating Fans
HP NetServer fans are placed to ventilate and cool internal components. The
Redundancy Kit includes a fan assembly with two fans that mounts directly in
front of the fans cooling the power supplies. In general, if any one fan fails, the
NetServer continues operation, but if two fans fail, thermal shutdown will occur.
CAUTION
The NetServer must have its covers in place for proper
cooling. If you open the NetServer while it is operating, do
not run it for more than 3 minutes.
Do not run the NetServer for more than 2 minutes without at
least one working fan in the fan assembly mounted
immediately behind the power supplies or in the exhaust fan
assembly. Failure to observe these precautions may result in
thermal damage to the NetServer.
Servicers can hot-swap any fan except the processor fan. If
this fan fails, or if the metal baffle is removed, thermal
damage to the NetServer can occur.