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Atlas 300 User Guide 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Heat Dissipation Requirements

Heat Dissipation Requirements

The Atlas 300 is used in an active heat dissipation environment with fans. It supports bidirectional air intake and air exhaust. The air volume must meet the heat dissipation requirements.

Table 4-4 Heat dissipation requirements of the Atlas 300

Mean Temperature at the Air Intake Vent

Minimum Required Air Volume (CFM)

Voltage Drop/Inch H2O

55°C (131°F)

6.7

0.53

50°C (122°F)

5.3

0.37

45°C (113°F)

4.4

0.28

40°C (104°F)

3.7

0.21

35°C (95°F)

3.3

0.18

30°C (86°F)

3.0

0.16

Any scenario

3.0

0.16

NOTE:
  • The minimum required air volume refers to the air volume through the heat sink of the Atlas 300.
  • The ambient temperature at the heat sink inlet refers to the mean temperature at the air intake vent of the module.
  • The required air volume here is just a recommended value. The air volume and incoming flow temperature provided by different systems for the Atlas 300 may vary, and are determined according to the actual test results.
  • When the Atlas 300 is powered on, the module needs air volume for heat dissipation. The minimum required air volume is 3.0 CFM.
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Updated: 2019-07-29

Document ID: EDOC1100079295

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