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TP48200A-HT15D3 Outdoor Power System User Manual (Russia, Megafon)

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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 Exchanger

Heat Exchanger

Working Principles

The equipment compartment is cooled by heat exchange, which is implemented through internal circulation and external circulation.

Internal circulation: Hot air in the equipment compartment is drawn by the internal circulation fan above the heat exchanger into the heat exchanger, passes through the heat exchanging core from top to bottom, then releases heat to change to cold air, and finally returns to the equipment compartment through the internal air exhaust vent under the heat exchanger.

External circulation: Natural air is drawn by the external circulation fan under the heat exchanger into the heat exchanger from the outside of the cabinet, passes through the heat exchanging core from bottom to top, then absorbs heat to change to hot air, and finally flows out of the cabinet through the external air exhaust vent of the heat exchanger.

Figure 3-13 shows the heat exchange working principles.

Figure 3-13  Heat exchange working principles

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Updated: 2019-03-05

Document ID: EDOC1000078967

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