Dell S4248FBL-ON Manual de instalação - Página 36

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1. Features

Fan air filter replacement

Environmental factors can decrease the amount of time required between air filter replacements. Check the environmental factors regularly.

An increase in temperature and/or particulate matter in the air might affect performance.

CAUTION:

Check the fan air filters at six-month intervals and replace them as necessary. To accurately determine air filter

replacement intervals, regularly monitor the speeds of the cooling fans. An increase in overall fan speed may indicate a clogged

filter.

You must replace the fan air filters with new filters; you cannot clean and reuse the old fan air filters. Replacement filter media must meet

the requirements found in GR-63-CORE.

•

Minimum dust arrestance of 65%, per ASHRAE Standard 52.1-1992. OR

•

Minimum Efficiency Rating Value (MERV) of 2, per ANSI/ASHRAE Standard 52.2-2007.

CAUTION:

For Network Equipment Building Systems (NEBS) compliance, use NEBS approved

filters.

Use fan air filters with reverse blue-banded air flow systems—PSUs and fans. You can replace the air filters individually on each fan within

the switch without powering down a PSU module or disrupting traffic.

The fan air filter media slides into the frame from the top. No tools are required.

Determine which filters to replace.

Unlatch and remove the first module that needs the filter replaced.

Slide the existing filter upwards to remove it from the module.

Replace the filter with a new filter of the same size.

Reinsert the fan module.

Repeat for the remaining modules that need the filter replaced.

Fans