Fans | 31
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Fans
The Z9000 comes from the factory with one power supply and four fan modules installed in the system. If
two or more fans are installed and running, the fan modules are hot-swappable.
The Z9000 supports two airflow direction options. Do not mix airflow directions; only a single airflow
direction can be used in a system. If the airflow directions are mismatched, the system powers down in
one minute.
• Normal—airflow is from the I/O panel to the power supply. The grab-handle is labeled Exhaust.
• Reverse—airflow is from the power supply to the I/O panel. The grab-handle is labeled Intake.
Environmental factors can decrease the amount of time required between fan replacements. Check the
environmental factors regularly. An increase in temperature and/or particulate matter in the air might
affect performance (for example, new equipment installation).
CAUTION: If the wrong fan air flow is ordered or if the wrong fans are received with your Z9000, the entire
Z9000 must be replaced. Normal fans cannot be swapped with reverse air flow fans; the unit must be
replaced.
CAUTION: Check the fans at six-month intervals and replace them as necessary. In order to accurately
determine replacement intervals, regularly monitor the speeds of the cooling fans.
Components
• Z9000 Fan module (Force10 Catalog# Z9000-FAN | Dell Part # WWJVT)
• Z9000 Fan module - Reverse flow (Force10 Catalog# Z9000-FAN-R | Dell Part # FRD2C)
Install a Fan Module
The fan modules in the Z9000 are field replaceable. Module Slot 0 is on the left; Module Slot 3 is on the
right.
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