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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 Heater

Replacing the Heater


You have obtained an ESD wrist strap, ESD gloves, protective gloves, the cabinet door key, and tools.


Disconnect the AC input circuit breaker for the heater, instead of the AC input to the power system.


  1. Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD gloves.
  2. Record the positions of cables on the heater, and disconnect the cables.
  3. Remove the heater, as shown in Figure 4-21.

    Figure 4-21  Removing a heater

  4. Install a new heater.
  5. Reconnect the cables to the heater based on the recorded information.
  6. Disconnect the ground cable for 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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