Huawei TP48200A-HT15D3 User Manual page 42

Telecom power for megafon

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TP48200A-HT15D3 Telecom Power (Russia, Megafon)

User Manual

Function

Heating

Figure 3-15 TEC airflow directions

Issue 03 (2019-11-15)

Working Principle

heat and returns to the external environment from the air exhaust vent of the external

heat sink. The air exchange between the internal and external environment is

implemented so far.

The TCUA controls the TEC04C to heat the internal circulation air. The internal

circulation fan draws the air inside the battery compartment into the internal heat sink.

The internal heat sink heats the air and then returns the heated air to the battery

compartment from the air exhaust vent. At the same time, the external circulation fan

draws the external circulation air into the external heat sink to accelerate the airflow. The

air gives out the heat and returns to the external environment from the air exhaust vent of

the external heat sink.

3 Components

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