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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 a Smoke Sensor

Replacing a Smoke Sensor

Prerequisites

  • An ESD wrist strap, ESD gloves, ESD box or bag, cabinet door key, and required tools are available.

  • The new smoke sensor is intact.

Procedure

  1. Connect the ground cable of the ESD wrist strap, and wear the ESD wrist strap and ESD gloves.
  2. Remove the smoke sensor, as shown in Figure 4-22.
    1. Remove the connected cables from the smoke sensor.
    2. Hold down the button on the smoke sensor and push the smoke sensor in the OPEN direction.
    3. Unscrew the smoke sensor base.

      NOTE:
      There are two types of smoke sensors, and both can be replaced in the same manner.
      Figure 4-22  Removing the smoke sensor

  3. Install the new smoke sensor.
    1. Place the smoke sensor base correctly and tighten the screws for it.
    2. Place the new smoke sensor correctly and press and push it in the CLOSE direction.
    3. Reconnect the removed cables to the smoke sensor.
  4. Disconnect the ground cable of the ESD wrist strap, and remove the ESD wrist strap and ESD gloves.
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Updated: 2019-03-05

Document ID: EDOC1000078967

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