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Fans

The S4810–ON comes from the factory with one power supply unit (PSU) and two fan modules installed

in the system.

If two or more fans are installed and running, the fan modules are hot-swappable.

NOTE: To run the system, both slots must have operating fan units. If a module is not installed in

each slot (either as part of the PSU or as an independent fan module), the system shuts down in one

minute.

In addition to the integrated fan/power supply modules, you can order and install fan modules separately.

The S4810–ON supports two airflow direction options. Do not mix airflow types in a chassis; you can use

only a single airflow direction in a chassis.

• Normal — airflow is from the I/O panel to the PSU

• Reversed — airflow is from the PSU to the I/O panel

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: Check the fans at six-month intervals and replace them as necessary. Regularly

monitor the speeds of the cooling fans in order to accurately determine replacement intervals.

Components

The following are the S4810–ON fan components.

• S4810–ON Fan module

• S4810–ON Fan module - Reverse flow

Fans

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Dell S4810-ON Installationsanleitung Seite 27