Temperature Control Unit (For The Tbc300A-Dca3 And Tbc300A-Dca5); Direct Ventilation - Huawei Telecom Power TP48200A-HX09A3 User Manual

TP48200A-HX09A3, TP48200A-HX09A4,
TBC300A-DCA3, TBC300A-DCA5 and
TBC300A-TCA2 Telecom Power
User Manual
3.7 Temperature Control Unit (for the TBC300A-DCA3
and TBC300A-DCA5)

3.7.1 Direct Ventilation

Working Principle
The fan draws the air out of the cabinet and absorbs the heat inside to cool the cabinet and
hence save the energy. Figure 3-20 shows the working principles of the direct ventilation.
Figure 3-21 shows a TCUA.
Figure 3-20 Airflow direction in the direct ventilation unit
Issue 04 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.
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