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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).
Replacing the Heat Exchanger Core

Replacing the Heat Exchanger Core


Protect yourself against being burnt when removing the heat exchanging core as it has a high temperature.

You have obtained an ESD wrist strap, a pair of ESD gloves, a pair of protective gloves, the cabinet door key and maintenance tool box.


You do not need to disconnect the AC input for the system.


  1. Disconnect the –48V power cable from the UIM02C.

    1. Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and ESD gloves.
    2. Record the position where the UIM02C panel connects to the signal cable, and then disconnect the signal cable.
    3. Unscrew the UIM02C panel and take out the UIM02C, as shown in Figure 4-6.
    4. Remove the –48V power cable from the UIM02C, as shown in Figure 4-7.

  2. Put on protective gloves.
  3. Remove the heat exchanging core, as shown in Figure 4-15.

    Figure 4-15  Removing the heat exchanging core

  4. Clean the heat exchanging core, or replace it with a new one.
  5. Install the heat exchanging core.
  6. Take off protective gloves.
  7. Connect the –48V power cable to the UIM02C.
  8. Push in the UIM02C and secure the screws.
  9. Connect the signal cable to the UIM02C panel based on the record made previously.
  10. Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and ESD gloves.
Updated: 2019-03-05

Document ID: EDOC1000078967

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