Chapter 12. Fan Assemblies; Fan Assembly Overview - IBM SAN512B-6 Installation, Service And User Manual

Chapter 12. Fan Assemblies

This chapter provides the following information:
v "Fan assembly overview"
v "Precautions specific to fan assemblies" on page 176
v "Fan assembly fault indicators" on page 177
v "Fan assembly task guide" on page 177
v "Time and items required" on page 178
v "Removing a fan assembly" on page 178
v "Installing a fan assembly" on page 179
v "Verifying fan operation" on page 180

Fan assembly overview

Following are important details that you should note about fan assemblies:
v Three fan assemblies are installed in the device, containing two fans each, for a
v The device requires 5 fans out of 6 functioning fans for operation.
v
v Fan assemblies can be removed and replaced without special tools.
v The device can continue operation while one fan assembly is replaced if the fan
The following figure illustrates fan assembly components.
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total of six fans.
Fan assemblies with the following airflow directions can be installed. All fan
assemblies must have the same airflow direction and match airflow direction of
installed power supplies.
- Fan assembly with nonport-side air intake. Fans move air from the nonport
side to the port side of the device.
- Fan assembly with nonport-side air exhaust. Fans move air from the port side
to the nonport side of the device.
assembly is replaced immediately.
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