No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search

Reminder

To have a better experience, please upgrade your IE browser.

upgrade

TP48200A-HT15D3 Outdoor Power System User Manual (Russia, Megafon)

Rate and give feedback:
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 External Fan for the Heat Exchanger

Replacing the External Fan for the Heat Exchanger

Prerequisites

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

  • The new fan is intact.

Install the fan according to the airflow directions. Avoid installing the fan in reverse.

Context

You only need to disconnect the power cable for the fan, but do not need to disconnect the AC input for the system.

Procedure

  1. Disconnect the –48 V 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 –48 V power cable from the UIM02C, as shown in Figure 4-7.

  2. Disconnect the wiring terminal for the fan.
  3. Record the fan installation direction (see the arrow marks on the fan), remove screws, and take off the fan guard cover and fan, as shown in Figure 4-13.

    Figure 4-13  Removing the external fan

  4. Place the new fan based on the recorded installation direction (see the arrow marks on the fan), place the fan guard cover, and tighten the screws, as shown in Figure 4-14.

    Figure 4-14  Installing a new external fan

  5. Connect the wiring terminal for the fan. The two terminals for fans can be exchanged.
  6. Connect the –48 V power cable to the UIM02C.
  7. Push in the UIM02C and secure the screws.
  8. Connect the signal cable to the UIM02C panel based on the record made previously.
  9. Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and ESD gloves.
Download
Updated: 2019-03-05

Document ID: EDOC1000078967

Views: 7531

Downloads: 183

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Share
Previous Next